Chapter 8. Deploying installer-provisioned clusters on bare metal 8.1. Overview Installer-provisioned installation provides support for installing OpenShift Container Platform on bare metal nodes. This guide provides a methodology to achieving a successful installation. During installer-provisioned installation on bare metal, the installer on the bare metal node labeled as provisioner creates a bootstrap VM. The role of the bootstrap VM is to assist in the process of deploying an OpenShift Container Platform cluster. The bootstrap VM connects to the baremetal network and to the provisioning network, if present, via the network bridges. When the installation of OpenShift Container Platform control plane nodes is complete and fully operational, the installer destroys the bootstrap VM automatically and moves the virtual IP addresses (VIPs) to the appropriate nodes accordingly. The API VIP moves to the control plane nodes and the Ingress VIP moves to the worker nodes. 8.2. Prerequisites Installer-provisioned installation of OpenShift Container Platform requires: One provisioner node with Red Hat Enterprise Linux (RHEL) 8.x installed. Three control plane nodes. Baseboard Management Controller (BMC) access to each node. At least one network: One required routable network One optional network for provisioning nodes; and, One optional management network. Before starting an installer-provisioned installation of OpenShift Container Platform, ensure the hardware environment meets the following requirements. 8.2.1. Node requirements Installer-provisioned installation involves a number of hardware node requirements: CPU architecture: All nodes must use x86_64 CPU architecture. Similar nodes: Red Hat recommends nodes have an identical configuration per role. That is, Red Hat recommends nodes be the same brand and model with the same CPU, memory, and storage configuration. Baseboard Management Controller: The provisioner node must be able to access the baseboard management controller (BMC) of each OpenShift Container Platform cluster node. You may use IPMI, Redfish, or a proprietary protocol. Latest generation: Nodes must be of the most recent generation. Because the installer-provisioned installation relies on BMC protocols, the hardware must support IPMI cipher suite 17. Additionally, RHEL 8 ships with the most recent drivers for RAID controllers. Ensure that the nodes are recent enough to support RHEL 8 for the provisioner node and RHCOS 8 for the control plane and worker nodes. Registry node: (Optional) If setting up a disconnected mirrored registry, it is recommended the registry reside in its own node. Provisioner node: Installer-provisioned installation requires one provisioner node. Control plane: Installer-provisioned installation requires three control plane nodes for high availability. Worker nodes: While not required, a typical production cluster has one or more worker nodes. Smaller clusters are more resource efficient for administrators and developers during development, production, and testing. Network interfaces: Each node must have at least one network interface for the routable baremetal network. Each node must have one network interface for a provisioning network when using the provisioning network for deployment. Using the provisioning network is the default configuration. Network interface naming must be consistent across control plane nodes for the provisioning network. For example, if a control plane node uses the eth0 NIC for the provisioning network, the other control plane nodes must use it as well. Unified Extensible Firmware Interface (UEFI): Installer-provisioned installation requires UEFI boot on all OpenShift Container Platform nodes when using IPv6 addressing on the provisioning network. In addition, UEFI Device PXE Settings must be set to use the IPv6 protocol on the provisioning network NIC, but omitting the provisioning network removes this requirement. Important When starting the installation from virtual media such as an ISO image, delete all old UEFI boot table entries. If the boot table includes entries that are not generic entries provided by the firmware, the installation might fail. Secure Boot: Many production scenarios require nodes with Secure Boot enabled to verify the node only boots with trusted software, such as UEFI firmware drivers, EFI applications, and the operating system. To deploy an OpenShift Container Platform cluster with Secure Boot, you must enable UEFI boot mode and Secure Boot on each control plane node and each worker node. Red Hat supports Secure Boot only when installer-provisioned installations use Red Fish Virtual Media. Red Hat does not support Secure Boot with self-generated keys. 8.2.2. Firmware requirements for installing with virtual media The installer for installer-provisioned OpenShift Container Platform clusters validates the hardware and firmware compatibility with Redfish virtual media. The following table lists supported firmware for installer-provisioned OpenShift Container Platform clusters deployed with Redfish virtual media. Table 8.1. Firmware compatibility for Redfish virtual media Hardware Model Management Firmware Versions HP 10th Generation iLO5 N/A Dell 14th Generation iDRAC 9 v4.20.20.20 - 04.40.00.00 13th Generation iDRAC 8 v2.75.75.75+ Note Refer to the hardware documentation for the nodes or contact the hardware vendor for information on updating the firmware. For HP servers, Redfish virtual media is not supported on 9th generation systems running iLO4, because Ironic does not support iLO4 with virtual media. For Dell servers, ensure the OpenShift Container Platform cluster nodes have AutoAttach Enabled through the iDRAC console. The menu path is: Configuration Virtual Media Attach Mode AutoAttach . With iDRAC 9 firmware version 04.40.00.00 , the Virtual Console plug-in defaults to eHTML5 , which causes problems with the InsertVirtualMedia workflow. Set the plug-in to HTML5 to avoid this issue. The menu path is: Configuration Virtual console Plug-in Type HTML5 . Important The installer will not initiate installation on a node if the node firmware is below the foregoing versions when installing with virtual media. 8.2.3. Network requirements Installer-provisioned installation of OpenShift Container Platform involves several network requirements. First, installer-provisioned installation involves an optional non-routable provisioning network for provisioning the operating system on each bare metal node. Second, installer-provisioned installation involves a routable baremetal network. 8.2.3.1. Configuring NICs OpenShift Container Platform deploys with two networks: provisioning : The provisioning network is an optional non-routable network used for provisioning the underlying operating system on each node that is a part of the OpenShift Container Platform cluster. When deploying using the provisioning network, the first NIC on each node, such as eth0 or eno1 , must interface with the provisioning network. baremetal : The baremetal network is a routable network. When deploying using the provisioning network, the second NIC on each node, such as eth1 or eno2 , must interface with the baremetal network. When deploying without a provisioning network, you can use any NIC on each node to interface with the baremetal network. Important Each NIC should be on a separate VLAN corresponding to the appropriate network. 8.2.3.2. Configuring the DNS server Clients access the OpenShift Container Platform cluster nodes over the baremetal network. A network administrator must configure a subdomain or subzone where the canonical name extension is the cluster name. For example: OpenShift Container Platform includes functionality that uses cluster membership information to generate A/AAAA records. This resolves the node names to their IP addresses. Once the nodes are registered with the API, the cluster can disperse node information without using CoreDNS-mDNS. This eliminates the network traffic associated with multicast DNS. 8.2.3.3. Dynamic Host Configuration Protocol (DHCP) requirements By default, installer-provisioned installation deploys ironic-dnsmasq with DHCP enabled for the provisioning network. No other DHCP servers should be running on the provisioning network when the provisioningNetwork configuration setting is set to managed , which is the default value. If you have a DHCP server running on the provisioning network, you must set the provisioningNetwork configuration setting to unmanaged in the install-config.yaml file. Network administrators must reserve IP addresses for each node in the OpenShift Container Platform cluster for the baremetal network on an external DHCP server. 8.2.3.4. Reserving IP addresses for nodes with the DHCP server For the baremetal network, a network administrator must reserve a number of IP addresses to ensure that they do not change after deployment, including: Two virtual IP addresses: One IP address for the API endpoint. One IP address for the wildcard ingress endpoint. One IP address for the provisioner node. One IP address for each control plane (master) node. One IP address for each worker node. Reserving IP addresses so they become static IP addresses Some administrators prefer to use static IP addresses so that each node's IP address remains constant in the absence of a DHCP server. To use static IP addresses in the OpenShift Container Platform cluster, reserve the IP addresses with an infinite lease. During deployment, the installer will reconfigure the NICs from DHCP assigned addresses to static IP addresses. NICs with DHCP leases that are not infinite will remain configured to use DHCP. Setting IP addresses with an infinite lease is incompatible with network configuration deployed by using the Machine Config Operator. Ensuring that your DHCP server can provide infinite leases Your DHCP server must provide a DHCP expiration time of 4294967295 seconds to properly set an infinite lease as specified by rfc2131 . If a lesser value is returned for the DHCP infinite lease time, the node reports an error and a permanent IP is not set for the node. In RHEL 8, dhcpd does not provide infinite leases. If you want to use the provisioner node to serve dynamic IP addresses with infinite lease times, use dnsmasq rather than dhcpd . Do not change IP addresses manually after deployment Do not change a worker node's IP address manually after deployment. To change the IP address of a worker node after deployment, you must mark the worker node unschedulable, evacuate the pods, delete the node, and recreate it with the new IP address. See "Working with nodes" for additional details. To change the IP address of a control plane node after deployment, contact support. The storage interface requires a DHCP reservation. The following table provides an exemplary embodiment of fully qualified domain names. The API and Nameserver addresses begin with canonical name extensions. The hostnames of the control plane and worker nodes are exemplary, so you can use any host naming convention you prefer. Usage Host Name IP API api.<cluster_name>.<domain> <ip> Ingress LB (apps) *.apps.<cluster_name>.<domain> <ip> Provisioner node provisioner.<cluster_name>.<domain> <ip> Master-0 openshift-master-0.<cluster_name>.<domain> <ip> Master-1 openshift-master-1.<cluster_name>.<domain> <ip> Master-2 openshift-master-2.<cluster_name>.<domain> <ip> Worker-0 openshift-worker-0.<cluster_name>.<domain> <ip> Worker-1 openshift-worker-1.<cluster_name>.<domain> <ip> Worker-n openshift-worker-n.<cluster_name>.<domain> <ip> 8.2.3.5. Network Time Protocol (NTP) Each OpenShift Container Platform node in the cluster must have access to an NTP server. OpenShift Container Platform nodes use NTP to synchronize their clocks. For example, cluster nodes use SSL certificates that require validation, which might fail if the date and time between the nodes are not in sync. Important Define a consistent clock date and time format in each cluster node's BIOS settings, or installation might fail. You may reconfigure the control plane nodes to act as NTP servers on disconnected clusters, and reconfigure worker nodes to retrieve time from the control plane nodes. 8.2.3.6. State-driven network configuration requirements (Technology Preview) OpenShift Container Platform supports additional post-installation state-driven network configuration on the secondary network interfaces of cluster nodes using kubernetes-nmstate . For example, system administrators might configure a secondary network interface on cluster nodes after installation for a storage network. Note Configuration must occur before scheduling pods. State-driven network configuration requires installing kubernetes-nmstate , and also requires Network Manager running on the cluster nodes. See OpenShift Virtualization > Kubernetes NMState (Tech Preview) for additional details. 8.2.3.7. Port access for the out-of-band management IP address The out-of-band management IP address is on a separate network from the node. To ensure that the out-of-band management can communicate with the baremetal node during installation, the out-of-band management IP address address must be granted access to the TCP 6180 port. 8.2.4. Configuring nodes Configuring nodes when using the provisioning network Each node in the cluster requires the following configuration for proper installation. Warning A mismatch between nodes will cause an installation failure. While the cluster nodes can contain more than two NICs, the installation process only focuses on the first two NICs: NIC Network VLAN NIC1 provisioning <provisioning-vlan> NIC2 baremetal <baremetal-vlan> NIC1 is a non-routable network ( provisioning ) that is only used for the installation of the OpenShift Container Platform cluster. The Red Hat Enterprise Linux (RHEL) 8.x installation process on the provisioner node might vary. To install Red Hat Enterprise Linux (RHEL) 8.x using a local Satellite server or a PXE server, PXE-enable NIC2. PXE Boot order NIC1 PXE-enabled provisioning network 1 NIC2 baremetal network. PXE-enabled is optional. 2 Note Ensure PXE is disabled on all other NICs. Configure the control plane and worker nodes as follows: PXE Boot order NIC1 PXE-enabled (provisioning network) 1 Configuring nodes without the provisioning network The installation process requires one NIC: NIC Network VLAN NICx baremetal <baremetal-vlan> NICx is a routable network ( baremetal ) that is used for the installation of the OpenShift Container Platform cluster, and routable to the internet. Configuring nodes for Secure Boot Secure Boot prevents a node from booting unless it verifies the node is using only trusted software, such as UEFI firmware drivers, EFI applications and the operating system. Red Hat only supports Secure Boot when deploying with RedFish Virtual Media. To enable Secure Boot, refer to the hardware guide for the node. To enable Secure Boot, execute the following: Boot the node and enter the BIOS menu. Set the node's boot mode to UEFI Enabled. Enable Secure Boot. Important Red Hat does not support Secure Boot with self-generated keys. 8.2.5. Out-of-band management Nodes will typically have an additional NIC used by the Baseboard Management Controllers (BMCs). These BMCs must be accessible from the provisioner node. Each node must be accessible via out-of-band management. When using an out-of-band management network, the provisioner node requires access to the out-of-band management network for a successful OpenShift Container Platform 4 installation. The out-of-band management setup is out of scope for this document. We recommend setting up a separate management network for out-of-band management. However, using the provisioning network or the baremetal network are valid options. 8.2.6. Required data for installation Prior to the installation of the OpenShift Container Platform cluster, gather the following information from all cluster nodes: Out-of-band management IP Examples Dell (iDRAC) IP HP (iLO) IP Fujitsu (iRMC) IP When using the provisioning network NIC1 ( provisioning ) MAC address NIC2 ( baremetal ) MAC address When omitting the provisioning network NICx ( baremetal ) MAC address 8.2.7. Validation checklist for nodes When using the provisioning network ❏ NIC1 VLAN is configured for the provisioning network. (optional) ❏ NIC1 is PXE-enabled on the provisioner, control plane (master), and worker nodes when using a provisioning network. (optional) ❏ NIC2 VLAN is configured for the baremetal network. ❏ PXE has been disabled on all other NICs. ❏ Control plane and worker nodes are configured. ❏ All nodes accessible via out-of-band management. ❏ A separate management network has been created. (optional) ❏ Required data for installation. When omitting the provisioning network ❏ NICx VLAN is configured for the baremetal network. ❏ Control plane and worker nodes are configured. ❏ All nodes accessible via out-of-band management. ❏ A separate management network has been created. (optional) ❏ Required data for installation. 8.3. Setting up the environment for an OpenShift installation 8.3.1. Installing RHEL on the provisioner node With the networking configuration complete, the step is to install RHEL 8.x on the provisioner node. The installer uses the provisioner node as the orchestrator while installing the OpenShift Container Platform cluster. For the purposes of this document, installing RHEL on the provisioner node is out of scope. However, options include but are not limited to using a RHEL Satellite server, PXE, or installation media. 8.3.2. Preparing the provisioner node for OpenShift Container Platform installation Perform the following steps to prepare the environment. Procedure Log in to the provisioner node via ssh . Create a non-root user ( kni ) and provide that user with sudo privileges: # useradd kni # passwd kni # echo "kni ALL=(root) NOPASSWD:ALL" | tee -a /etc/sudoers.d/kni # chmod 0440 /etc/sudoers.d/kni Create an ssh key for the new user: # su - kni -c "ssh-keygen -t ed25519 -f /home/kni/.ssh/id_rsa -N ''" Log in as the new user on the provisioner node: # su - kni USD Use Red Hat Subscription Manager to register the provisioner node: USD sudo subscription-manager register --username=<user> --password=<pass> --auto-attach USD sudo subscription-manager repos --enable=rhel-8-for-x86_64-appstream-rpms --enable=rhel-8-for-x86_64-baseos-rpms Note For more information about Red Hat Subscription Manager, see Using and Configuring Red Hat Subscription Manager . Install the following packages: USD sudo dnf install -y libvirt qemu-kvm mkisofs python3-devel jq ipmitool Modify the user to add the libvirt group to the newly created user: USD sudo usermod --append --groups libvirt <user> Restart firewalld and enable the http service: USD sudo systemctl start firewalld USD sudo firewall-cmd --zone=public --add-service=http --permanent USD sudo firewall-cmd --reload Start and enable the libvirtd service: USD sudo systemctl enable libvirtd --now Create the default storage pool and start it: USD sudo virsh pool-define-as --name default --type dir --target /var/lib/libvirt/images USD sudo virsh pool-start default USD sudo virsh pool-autostart default Configure networking. Note You can also configure networking from the web console. Export the baremetal network NIC name: USD export PUB_CONN=<baremetal_nic_name> Configure the baremetal network: USD sudo nohup bash -c " nmcli con down \"USDPUB_CONN\" nmcli con delete \"USDPUB_CONN\" # RHEL 8.1 appends the word \"System\" in front of the connection, delete in case it exists nmcli con down \"System USDPUB_CONN\" nmcli con delete \"System USDPUB_CONN\" nmcli connection add ifname baremetal type bridge con-name baremetal nmcli con add type bridge-slave ifname \"USDPUB_CONN\" master baremetal pkill dhclient;dhclient baremetal " If you are deploying with a provisioning network, export the provisioning network NIC name: USD export PROV_CONN=<prov_nic_name> If you are deploying with a provisioning network, configure the provisioning network: USD sudo nohup bash -c " nmcli con down \"USDPROV_CONN\" nmcli con delete \"USDPROV_CONN\" nmcli connection add ifname provisioning type bridge con-name provisioning nmcli con add type bridge-slave ifname \"USDPROV_CONN\" master provisioning nmcli connection modify provisioning ipv6.addresses fd00:1101::1/64 ipv6.method manual nmcli con down provisioning nmcli con up provisioning " Note The ssh connection might disconnect after executing these steps. The IPv6 address can be any address as long as it is not routable via the baremetal network. Ensure that UEFI is enabled and UEFI PXE settings are set to the IPv6 protocol when using IPv6 addressing. Configure the IPv4 address on the provisioning network connection. USD nmcli connection modify provisioning ipv4.addresses 172.22.0.254/24 ipv4.method manual ssh back into the provisioner node (if required). # ssh kni@provisioner.<cluster-name>.<domain> Verify the connection bridges have been properly created. USD sudo nmcli con show NAME UUID TYPE DEVICE baremetal 4d5133a5-8351-4bb9-bfd4-3af264801530 bridge baremetal provisioning 43942805-017f-4d7d-a2c2-7cb3324482ed bridge provisioning virbr0 d9bca40f-eee1-410b-8879-a2d4bb0465e7 bridge virbr0 bridge-slave-eno1 76a8ed50-c7e5-4999-b4f6-6d9014dd0812 ethernet eno1 bridge-slave-eno2 f31c3353-54b7-48de-893a-02d2b34c4736 ethernet eno2 Create a pull-secret.txt file. USD vim pull-secret.txt In a web browser, navigate to Install OpenShift on Bare Metal with installer-provisioned infrastructure , and scroll down to the Downloads section. Click Copy pull secret . Paste the contents into the pull-secret.txt file and save the contents in the kni user's home directory. 8.3.3. Retrieving the OpenShift Container Platform installer Use the latest-4.x version of the installer to deploy the latest generally available version of OpenShift Container Platform: USD export VERSION=latest-4.7 export RELEASE_IMAGE=USD(curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/release.txt | grep 'Pull From: quay.io' | awk -F ' ' '{print USD3}') Additional resources See OpenShift Container Platform upgrade channels and releases for an explanation of the different release channels. 8.3.4. Extracting the OpenShift Container Platform installer After retrieving the installer, the step is to extract it. Procedure Set the environment variables: USD export cmd=openshift-baremetal-install USD export pullsecret_file=~/pull-secret.txt USD export extract_dir=USD(pwd) Get the oc binary: USD curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/openshift-client-linux.tar.gz | tar zxvf - oc Extract the installer: USD sudo cp oc /usr/local/bin USD oc adm release extract --registry-config "USD{pullsecret_file}" --command=USDcmd --to "USD{extract_dir}" USD{RELEASE_IMAGE} USD sudo cp openshift-baremetal-install /usr/local/bin 8.3.5. Creating an RHCOS images cache (optional) To employ image caching, you must download two images: the Red Hat Enterprise Linux CoreOS (RHCOS) image used by the bootstrap VM and the RHCOS image used by the installer to provision the different nodes. Image caching is optional, but especially useful when running the installer on a network with limited bandwidth. If you are running the installer on a network with limited bandwidth and the RHCOS images download takes more than 15 to 20 minutes, the installer will timeout. Caching images on a web server will help in such scenarios. Use the following steps to install a container that contains the images. Install podman . USD sudo dnf install -y podman Open firewall port 8080 to be used for RHCOS image caching. USD sudo firewall-cmd --add-port=8080/tcp --zone=public --permanent USD sudo firewall-cmd --reload Create a directory to store the bootstraposimage and clusterosimage . USD mkdir /home/kni/rhcos_image_cache Set the appropriate SELinux context for the newly created directory. USD sudo semanage fcontext -a -t httpd_sys_content_t "/home/kni/rhcos_image_cache(/.*)?" USD sudo restorecon -Rv rhcos_image_cache/ Get the commit ID from the installer. The ID determines which images the installer needs to download. USD export COMMIT_ID=USD(/usr/local/bin/openshift-baremetal-install version | grep '^built from commit' | awk '{print USD4}') Get the URI for the RHCOS image that the installer will deploy on the nodes. USD export RHCOS_OPENSTACK_URI=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .images.openstack.path | sed 's/"//g') Get the URI for the RHCOS image that the installer will deploy on the bootstrap VM. USD export RHCOS_QEMU_URI=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .images.qemu.path | sed 's/"//g') Get the path where the images are published. USD export RHCOS_PATH=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .baseURI | sed 's/"//g') Get the SHA hash for the RHCOS image that will be deployed on the bootstrap VM. USD export RHCOS_QEMU_SHA_UNCOMPRESSED=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq -r '.images.qemu["uncompressed-sha256"]') Get the SHA hash for the RHCOS image that will be deployed on the nodes. USD export RHCOS_OPENSTACK_SHA_COMPRESSED=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq -r '.images.openstack.sha256') Download the images and place them in the /home/kni/rhcos_image_cache directory. USD curl -L USD{RHCOS_PATH}USD{RHCOS_QEMU_URI} -o /home/kni/rhcos_image_cache/USD{RHCOS_QEMU_URI} USD curl -L USD{RHCOS_PATH}USD{RHCOS_OPENSTACK_URI} -o /home/kni/rhcos_image_cache/USD{RHCOS_OPENSTACK_URI} Confirm SELinux type is of httpd_sys_content_t for the newly created files. USD ls -Z /home/kni/rhcos_image_cache Create the pod. USD podman run -d --name rhcos_image_cache \ -v /home/kni/rhcos_image_cache:/var/www/html \ -p 8080:8080/tcp \ quay.io/centos7/httpd-24-centos7:latest 8.3.6. Configuration files 8.3.6.1. Configuring the install-config.yaml file The install-config.yaml file requires some additional details. Most of the information is teaching the installer and the resulting cluster enough about the available hardware so that it is able to fully manage it. Configure install-config.yaml . Change the appropriate variables to match the environment, including pullSecret and sshKey . apiVersion: v1 baseDomain: <domain> metadata: name: <cluster-name> networking: machineCIDR: <public-cidr> networkType: OVNKubernetes compute: - name: worker replicas: 2 1 controlPlane: name: master replicas: 3 platform: baremetal: {} platform: baremetal: apiVIP: <api-ip> ingressVIP: <wildcard-ip> provisioningNetworkInterface: <NIC1> provisioningNetworkCIDR: <CIDR> hosts: - name: openshift-master-0 role: master bmc: address: ipmi://<out-of-band-ip> 2 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-master-1> role: master bmc: address: ipmi://<out-of-band-ip> 3 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-master-2> role: master bmc: address: ipmi://<out-of-band-ip> 4 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-worker-0> role: worker bmc: address: ipmi://<out-of-band-ip> 5 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: unknown - name: <openshift-worker-1> role: worker bmc: address: ipmi://<out-of-band-ip> username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: unknown pullSecret: '<pull_secret>' sshKey: '<ssh_pub_key>' 1 Scale the worker machines based on the number of worker nodes that are part of the OpenShift Container Platform cluster. 2 3 4 5 Refer to the BMC addressing sections for more options. Create a directory to store cluster configs. USD mkdir ~/clusterconfigs USD cp install-config.yaml ~/clusterconfigs Ensure all bare metal nodes are powered off prior to installing the OpenShift Container Platform cluster. USD ipmitool -I lanplus -U <user> -P <password> -H <management-server-ip> power off Remove old bootstrap resources if any are left over from a deployment attempt. for i in USD(sudo virsh list | tail -n +3 | grep bootstrap | awk {'print USD2'}); do sudo virsh destroy USDi; sudo virsh undefine USDi; sudo virsh vol-delete USDi --pool USDi; sudo virsh vol-delete USDi.ign --pool USDi; sudo virsh pool-destroy USDi; sudo virsh pool-undefine USDi; done 8.3.6.2. Setting proxy settings within the install-config.yaml file (optional) To deploy an OpenShift Container Platform cluster using a proxy, make the following changes to the install-config.yaml file. apiVersion: v1 baseDomain: <domain> proxy: httpProxy: http://USERNAME:PASSWORD@proxy.example.com:PORT httpsProxy: https://USERNAME:PASSWORD@proxy.example.com:PORT noProxy: <WILDCARD_OF_DOMAIN>,<PROVISIONING_NETWORK/CIDR>,<BMC_ADDRESS_RANGE/CIDR> The following is an example of noProxy with values. noProxy: .example.com,172.22.0.0/24,10.10.0.0/24 With a proxy enabled, set the appropriate values of the proxy in the corresponding key/value pair. Key considerations: If the proxy does not have an HTTPS proxy, change the value of httpsProxy from https:// to http:// . If using a provisioning network, include it in the noProxy setting, otherwise the installer will fail. Set all of the proxy settings as environment variables within the provisioner node. For example, HTTP_PROXY , HTTPS_PROXY , and NO_PROXY . Note When provisioning with IPv6, you cannot define a CIDR address block in the noProxy settings. You must define each address separately. 8.3.6.3. Modifying the install-config.yaml file for no provisioning network (optional) To deploy an OpenShift Container Platform cluster without a provisioning network, make the following changes to the install-config.yaml file. platform: baremetal: apiVIP: <apiVIP> ingressVIP: <ingress/wildcard VIP> provisioningNetwork: "Disabled" 8.3.6.4. Configuring managed Secure Boot in the install-config.yaml file (optional) You can enable managed Secure Boot when deploying an installer-provisioned cluster using Redfish BMC addressing, such as redfish , redfish-virtualmedia , or idrac-virtualmedia . To enable managed Secure Boot, add the bootMode configuration setting to each node: Example hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out_of_band_ip> 1 username: <user> password: <password> bootMACAddress: <NIC1_mac_address> rootDeviceHints: deviceName: "/dev/sda" bootMode: UEFISecureBoot 2 1 Ensure the bmc.address setting uses redfish , redfish-virtualmedia , or idrac-virtualmedia as the protocol. For additional information, see "BMC addressing for HPE iLO" or "BMC addressing for Dell iDRAC". 2 The bootMode setting is UEFI by default. To enable managed Secure Boot, change it to UEFISecureBoot . Note To ensure the nodes can support managed Secure Boot, see "Configuring nodes" in the "Prerequisites". If the nodes do not support managed Secure Boot, see "Configuring nodes for Secure Boot manually" in the "Configuring nodes" section. Configuring Secure Boot manually requires Redfish virtual media. Note Red Hat does not support Secure Boot with IPMI because IPMI does not provide Secure Boot management facilities. 8.3.6.5. Additional install-config parameters See the following tables for the required parameters, the hosts parameter, and the bmc parameter for the install-config.yaml file. Table 8.2. Required parameters Parameters Default Description baseDomain The domain name for the cluster. For example, example.com . sshKey The sshKey configuration setting contains the key in the ~/.ssh/id_rsa.pub file required to access the control plane nodes and worker nodes. Typically, this key is from the provisioner node. pullSecret The pullSecret configuration setting contains a copy of the pull secret downloaded from the Install OpenShift on Bare Metal page when preparing the provisioner node. The name to be given to the OpenShift Container Platform cluster. For example, openshift . The public CIDR (Classless Inter-Domain Routing) of the external network. For example, 10.0.0.0/24 . The OpenShift Container Platform cluster requires a name be provided for worker (or compute) nodes even if there are zero nodes. Replicas sets the number of worker (or compute) nodes in the OpenShift Container Platform cluster. The OpenShift Container Platform cluster requires a name for control plane (master) nodes. Replicas sets the number of control plane (master) nodes included as part of the OpenShift Container Platform cluster. defaultMachinePlatform The default configuration used for machine pools without a platform configuration. apiVIP api.<clustername.clusterdomain> The VIP to use for internal API communication. This setting must either be provided or pre-configured in the DNS so that the default name resolves correctly. disableCertificateVerification False redfish and redfish-virtualmedia need this parameter to manage BMC addresses. The value should be True when using a self-signed certificate for BMC addresses. ingressVIP test.apps.<clustername.clusterdomain> The VIP to use for ingress traffic. Table 8.3. Optional Parameters Parameters Default Description provisioningDHCPRange 172.22.0.10,172.22.0.100 Defines the IP range for nodes on the provisioning network. provisioningNetworkCIDR 172.22.0.0/24 The CIDR for the network to use for provisioning. This option is required when not using the default address range on the provisioning network. clusterProvisioningIP The third IP address of the provisioningNetworkCIDR . The IP address within the cluster where the provisioning services run. Defaults to the third IP address of the provisioning subnet. For example, 172.22.0.3 . bootstrapProvisioningIP The second IP address of the provisioningNetworkCIDR . The IP address on the bootstrap VM where the provisioning services run while the installer is deploying the control plane (master) nodes. Defaults to the second IP address of the provisioning subnet. For example, 172.22.0.2 or 2620:52:0:1307::2 . externalBridge baremetal The name of the baremetal bridge of the hypervisor attached to the baremetal network. provisioningBridge provisioning The name of the provisioning bridge on the provisioner host attached to the provisioning network. defaultMachinePlatform The default configuration used for machine pools without a platform configuration. bootstrapOSImage A URL to override the default operating system image for the bootstrap node. The URL must contain a SHA-256 hash of the image. For example: https://mirror.openshift.com/rhcos-<version>-qemu.qcow2.gz?sha256=<uncompressed_sha256> . clusterOSImage A URL to override the default operating system for cluster nodes. The URL must include a SHA-256 hash of the image. For example, https://mirror.openshift.com/images/rhcos-<version>-openstack.qcow2.gz?sha256=<compressed_sha256> . provisioningNetwork Set this parameter to Disabled to disable the requirement for a provisioning network. User may only do virtual media based provisioning, or bring up the cluster using assisted installation. If using power management, BMC's must be accessible from the machine networks. User must provide two IP addresses on the external network that are used for the provisioning services. Set this parameter to managed , which is the default, to fully manage the provisioning network, including DHCP, TFTP, and so on. Set this parameter to unmanaged to still enable the provisioning network but take care of manual configuration of DHCP. Virtual Media provisioning is recommended but PXE is still available if required. httpProxy Set this parameter to the appropriate HTTP proxy used within your environment. httpsProxy Set this parameter to the appropriate HTTPS proxy used within your environment. noProxy Set this parameter to the appropriate list of exclusions for proxy usage within your environment. Hosts The hosts parameter is a list of separate bare metal assets used to build the cluster. Name Default Description name The name of the BareMetalHost resource to associate with the details. For example, openshift-master-0 . role The role of the bare metal node. Either master or worker . bmc Connection details for the baseboard management controller. See the BMC addressing section for additional details. bootMACAddress The MAC address of the NIC that the host uses for the provisioning network. Ironic retrieves the IP address using the bootMACAddress configuration setting. Then, it binds to the host. Note You must provide a valid MAC address from the host if you disabled the provisioning network. 8.3.6.6. BMC addressing Most vendors support BMC addressing with the Intelligent Platform Management Interface (IPMI). IPMI does not encrypt communications. It is suitable for use within a data center over a secured or dedicated management network. Check with your vendor to see if they support Redfish network boot. Redfish delivers simple and secure management for converged, hybrid IT and the Software Defined Data Center (SDDC). Redfish is human readable and machine capable, and leverages common Internet and web services standards to expose information directly to the modern tool chain. If your hardware does not support Redfish network boot, use IPMI. IPMI Hosts using IPMI use the ipmi://<out-of-band-ip>:<port> address format, which defaults to port 623 if not specified. The following example demonstrates an IPMI configuration within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: ipmi://<out-of-band-ip> username: <user> password: <password> Redfish network boot To enable Redfish, use redfish:// or redfish+http:// to disable TLS. The installer requires both the hostname or the IP address and the path to the system ID. The following example demonstrates a Redfish configuration within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> While it is recommended to have a certificate of authority for the out-of-band management addresses, you must include disableCertificateVerification: True in the bmc configuration if using self-signed certificates. The following example demonstrates a Redfish configuration using the disableCertificateVerification: True configuration parameter within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True 8.3.6.7. BMC addressing for Dell The address field for each bmc entry is a URL for connecting to the OpenShift Container Platform cluster nodes, including the type of controller in the URL scheme and its location on the network. platform: baremetal: hosts: - name: <hostname> role: <master | worker> bmc: address: <address> username: <user> password: <password> For Dell hardware, Red Hat supports Redfish virtual media, Redfish network boot, and IPMI. Table 8.4. BMC address formats for Dell hardware Protocol Address Format Redfish virtual media idrac-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 Redfish network boot redfish://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 IPMI ipmi://<out-of-band-ip> Important Use idrac-virtualmedia as the protocol for Redfish virtual media. redfish-virtualmedia will not work on Dell hardware. Dell's idrac-virtualmedia uses the Redfish standard with Dell's OEM extensions. See the following sections for additional details. Redfish virtual media for Dell For Redfish virtual media on Dell servers, use idrac-virtualmedia:// in the address setting. Using redfish-virtualmedia:// will not work. The following example demonstrates using iDRAC virtual media within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: idrac-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> While it is recommended to have a certificate of authority for the out-of-band management addresses, you must include disableCertificateVerification: True in the bmc configuration if using self-signed certificates. The following example demonstrates a Redfish configuration using the disableCertificateVerification: True configuration parameter within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: idrac-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> disableCertificateVerification: True Note Currently, Redfish is only supported on Dell with iDRAC firmware versions 4.20.20.20 through 04.40.00.00 for installer-provisioned installations on bare metal deployments. There is a known issue with version 04.40.00.00 . With iDRAC 9 firmware version 04.40.00.00 , the Virtual Console plug-in defaults to eHTML5 , which causes problems with the InsertVirtualMedia workflow. Set the plug-in to HTML5 to avoid this issue. The menu path is: Configuration Virtual console Plug-in Type HTML5 . Ensure the OpenShift Container Platform cluster nodes have AutoAttach Enabled through the iDRAC console. The menu path is: Configuration Virtual Media Attach Mode AutoAttach . Use idrac-virtualmedia:// as the protocol for Redfish virtual media. Using redfish-virtualmedia:// will not work on Dell hardware, because the idrac-virtualmedia:// protocol corresponds to the idrac hardware type and the Redfish protocol in Ironic. Dell's idrac-virtualmedia:// protocol uses the Redfish standard with Dell's OEM extensions. Ironic also supports the idrac type with the WSMAN protocol. Therefore, you must specify idrac-virtualmedia:// to avoid unexpected behavior when electing to use Redfish with virtual media on Dell hardware. Redfish network boot for Dell To enable Redfish, use redfish:// or redfish+http:// to disable transport layer security (TLS). The installer requires both the hostname or the IP address and the path to the system ID. The following example demonstrates a Redfish configuration within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> While it is recommended to have a certificate of authority for the out-of-band management addresses, you must include disableCertificateVerification: True in the bmc configuration if using self-signed certificates. The following example demonstrates a Redfish configuration using the disableCertificateVerification: True configuration parameter within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> disableCertificateVerification: True Note Currently, Redfish is only supported on Dell with iDRAC firmware versions 4.20.20.20 through 04.40.00.00 for installer-provisioned installations on bare metal deployments. There is a known issue with version 04.40.00.00 . With iDRAC 9 firmware version 04.40.00.00 , the Virtual Console plug-in defaults to eHTML5 , which causes problems with the InsertVirtualMedia workflow. Set the plug-in to HTML5 to avoid this issue. The menu path is: Configuration Virtual console Plug-in Type HTML5 . Ensure the OpenShift Container Platform cluster nodes have AutoAttach Enabled through the iDRAC console. The menu path is: Configuration Virtual Media Attach Mode AutoAttach . The redfish:// URL protocol corresponds to the redfish hardware type in Ironic. 8.3.6.8. BMC addressing for HPE The address field for each bmc entry is a URL for connecting to the OpenShift Container Platform cluster nodes, including the type of controller in the URL scheme and its location on the network. platform: baremetal: hosts: - name: <hostname> role: <master | worker> bmc: address: <address> username: <user> password: <password> For HPE hardware, Red Hat supports Redfish virtual media, Redfish network boot, and IPMI. Table 8.5. BMC address formats for HPE hardware Protocol Address Format Redfish virtual media redfish-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/1 Redfish network boot redfish://<out-of-band-ip>/redfish/v1/Systems/1 IPMI ipmi://<out-of-band-ip> See the following sections for additional details. Redfish virtual media for HPE To enable Redfish virtual media for HPE servers, use redfish-virtualmedia:// in the address setting. The following example demonstrates using Redfish virtual media within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> While it is recommended to have a certificate of authority for the out-of-band management addresses, you must include disableCertificateVerification: True in the bmc configuration if using self-signed certificates. The following example demonstrates a Redfish configuration using the disableCertificateVerification: True configuration parameter within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True Note Redfish virtual media is not supported on 9th generation systems running iLO4, because Ironic does not support iLO4 with virtual media. Redfish network boot for HPE To enable Redfish, use redfish:// or redfish+http:// to disable TLS. The installer requires both the hostname or the IP address and the path to the system ID. The following example demonstrates a Redfish configuration within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> While it is recommended to have a certificate of authority for the out-of-band management addresses, you must include disableCertificateVerification: True in the bmc configuration if using self-signed certificates. The following example demonstrates a Redfish configuration using the disableCertificateVerification: True configuration parameter within the install-config.yaml file. platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True 8.3.6.9. Root device hints The rootDeviceHints parameter enables the installer to provision the Red Hat Enterprise Linux CoreOS (RHCOS) image to a particular device. The installer examines the devices in the order it discovers them, and compares the discovered values with the hint values. The installer uses the first discovered device that matches the hint value. The configuration can combine multiple hints, but a device must match all hints for the installer to select it. Table 8.6. Subfields Subfield Description deviceName A string containing a Linux device name like /dev/vda . The hint must match the actual value exactly. hctl A string containing a SCSI bus address like 0:0:0:0 . The hint must match the actual value exactly. model A string containing a vendor-specific device identifier. The hint can be a substring of the actual value. vendor A string containing the name of the vendor or manufacturer of the device. The hint can be a sub-string of the actual value. serialNumber A string containing the device serial number. The hint must match the actual value exactly. minSizeGigabytes An integer representing the minimum size of the device in gigabytes. wwn A string containing the unique storage identifier. The hint must match the actual value exactly. wwnWithExtension A string containing the unique storage identifier with the vendor extension appended. The hint must match the actual value exactly. wwnVendorExtension A string containing the unique vendor storage identifier. The hint must match the actual value exactly. rotational A boolean indicating whether the device should be a rotating disk (true) or not (false). Example usage - name: master-0 role: master bmc: address: ipmi://10.10.0.3:6203 username: admin password: redhat bootMACAddress: de:ad:be:ef:00:40 rootDeviceHints: deviceName: "/dev/sda" 8.3.6.10. Creating the OpenShift Container Platform manifests Create the OpenShift Container Platform manifests. USD ./openshift-baremetal-install --dir ~/clusterconfigs create manifests INFO Consuming Install Config from target directory WARNING Making control-plane schedulable by setting MastersSchedulable to true for Scheduler cluster settings WARNING Discarding the OpenShift Manifest that was provided in the target directory because its dependencies are dirty and it needs to be regenerated 8.3.7. Creating a disconnected registry (optional) In some cases, you might want to install an OpenShift Container Platform cluster using a local copy of the installation registry. This could be for enhancing network efficiency because the cluster nodes are on a network that does not have access to the internet. A local, or mirrored, copy of the registry requires the following: A certificate for the registry node. This can be a self-signed certificate. A web server that a container on a system will serve. An updated pull secret that contains the certificate and local repository information. Note Creating a disconnected registry on a registry node is optional. The subsequent sections indicate that they are optional since they are steps you need to execute only when creating a disconnected registry on a registry node. You should execute all of the subsequent sub-sections labeled "(optional)" when creating a disconnected registry on a registry node. 8.3.7.1. Preparing the registry node to host the mirrored registry (optional) Make the following changes to the registry node. Procedure Open the firewall port on the registry node. USD sudo firewall-cmd --add-port=5000/tcp --zone=libvirt --permanent USD sudo firewall-cmd --add-port=5000/tcp --zone=public --permanent USD sudo firewall-cmd --reload Install the required packages for the registry node. USD sudo yum -y install python3 podman httpd httpd-tools jq Create the directory structure where the repository information will be held. USD sudo mkdir -p /opt/registry/{auth,certs,data} 8.3.7.2. Generating the self-signed certificate (optional) Generate a self-signed certificate for the registry node and put it in the /opt/registry/certs directory. Procedure Adjust the certificate information as appropriate. USD host_fqdn=USD( hostname --long ) USD cert_c="<Country Name>" # Country Name (C, 2 letter code) USD cert_s="<State>" # Certificate State (S) USD cert_l="<Locality>" # Certificate Locality (L) USD cert_o="<Organization>" # Certificate Organization (O) USD cert_ou="<Org Unit>" # Certificate Organizational Unit (OU) USD cert_cn="USD{host_fqdn}" # Certificate Common Name (CN) USD openssl req \ -newkey rsa:4096 \ -nodes \ -sha256 \ -keyout /opt/registry/certs/domain.key \ -x509 \ -days 365 \ -out /opt/registry/certs/domain.crt \ -addext "subjectAltName = DNS:USD{host_fqdn}" \ -subj "/C=USD{cert_c}/ST=USD{cert_s}/L=USD{cert_l}/O=USD{cert_o}/OU=USD{cert_ou}/CN=USD{cert_cn}" Note When replacing <Country Name> , ensure that it only contains two letters. For example, US . Update the registry node's ca-trust with the new certificate. USD sudo cp /opt/registry/certs/domain.crt /etc/pki/ca-trust/source/anchors/ USD sudo update-ca-trust extract 8.3.7.3. Creating the registry podman container (optional) The registry container uses the /opt/registry directory for certificates, authentication files, and to store its data files. The registry container uses httpd and needs an htpasswd file for authentication. Procedure Create an htpasswd file in /opt/registry/auth for the container to use. USD htpasswd -bBc /opt/registry/auth/htpasswd <user> <passwd> Replace <user> with the user name and <passwd> with the password. Create and start the registry container. USD podman create \ --name ocpdiscon-registry \ -p 5000:5000 \ -e "REGISTRY_AUTH=htpasswd" \ -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry" \ -e "REGISTRY_HTTP_SECRET=ALongRandomSecretForRegistry" \ -e "REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd" \ -e "REGISTRY_HTTP_TLS_CERTIFICATE=/certs/domain.crt" \ -e "REGISTRY_HTTP_TLS_KEY=/certs/domain.key" \ -e "REGISTRY_COMPATIBILITY_SCHEMA1_ENABLED=true" \ -v /opt/registry/data:/var/lib/registry:z \ -v /opt/registry/auth:/auth:z \ -v /opt/registry/certs:/certs:z \ docker.io/library/registry:2 USD podman start ocpdiscon-registry 8.3.7.4. Copy and update the pull-secret (optional) Copy the pull secret file from the provisioner node to the registry node and modify it to include the authentication information for the new registry node. Procedure Copy the pull-secret.txt file. USD scp kni@provisioner:/home/kni/pull-secret.txt pull-secret.txt Update the host_fqdn environment variable with the fully qualified domain name of the registry node. USD host_fqdn=USD( hostname --long ) Update the b64auth environment variable with the base64 encoding of the http credentials used to create the htpasswd file. USD b64auth=USD( echo -n '<username>:<passwd>' | openssl base64 ) Replace <username> with the user name and <passwd> with the password. Set the AUTHSTRING environment variable to use the base64 authorization string. The USDUSER variable is an environment variable containing the name of the current user. USD AUTHSTRING="{\"USDhost_fqdn:5000\": {\"auth\": \"USDb64auth\",\"email\": \"USDUSER@redhat.com\"}}" Update the pull-secret.txt file. USD jq ".auths += USDAUTHSTRING" < pull-secret.txt > pull-secret-update.txt 8.3.7.5. Mirroring the repository (optional) Procedure Copy the oc binary from the provisioner node to the registry node. USD sudo scp kni@provisioner:/usr/local/bin/oc /usr/local/bin Set the required environment variables. Set the release version: USD VERSION=<release_version> For <release_version> , specify the tag that corresponds to the version of OpenShift Container Platform to install, such as 4.7 . Set the local registry name and host port: USD LOCAL_REG='<local_registry_host_name>:<local_registry_host_port>' For <local_registry_host_name> , specify the registry domain name for your mirror repository, and for <local_registry_host_port> , specify the port that it serves content on. Set the local repository name: USD LOCAL_REPO='<local_repository_name>' For <local_repository_name> , specify the name of the repository to create in your registry, such as ocp4/openshift4 . Mirror the remote install images to the local repository. USD /usr/local/bin/oc adm release mirror \ -a pull-secret-update.txt \ --from=USDUPSTREAM_REPO \ --to-release-image=USDLOCAL_REG/USDLOCAL_REPO:USD{VERSION} \ --to=USDLOCAL_REG/USDLOCAL_REPO 8.3.7.6. Modify the install-config.yaml file to use the disconnected registry (optional) On the provisioner node, the install-config.yaml file should use the newly created pull-secret from the pull-secret-update.txt file. The install-config.yaml file must also contain the disconnected registry node's certificate and registry information. Procedure Add the disconnected registry node's certificate to the install-config.yaml file. The certificate should follow the "additionalTrustBundle: |" line and be properly indented, usually by two spaces. USD echo "additionalTrustBundle: |" >> install-config.yaml USD sed -e 's/^/ /' /opt/registry/certs/domain.crt >> install-config.yaml Add the mirror information for the registry to the install-config.yaml file. USD echo "imageContentSources:" >> install-config.yaml USD echo "- mirrors:" >> install-config.yaml USD echo " - registry.example.com:5000/ocp4/openshift4" >> install-config.yaml USD echo " source: quay.io/openshift-release-dev/ocp-release" >> install-config.yaml USD echo "- mirrors:" >> install-config.yaml USD echo " - registry.example.com:5000/ocp4/openshift4" >> install-config.yaml USD echo " source: quay.io/openshift-release-dev/ocp-v4.0-art-dev" >> install-config.yaml Note Replace registry.example.com with the registry's fully qualified domain name. 8.3.8. Deploying routers on worker nodes During installation, the installer deploys router pods on worker nodes. By default, the installer installs two router pods. If the initial cluster has only one worker node, or if a deployed cluster requires additional routers to handle external traffic loads destined for services within the OpenShift Container Platform cluster, you can create a yaml file to set an appropriate number of router replicas. Note By default, the installer deploys two routers. If the cluster has at least two worker nodes, you can skip this section. Note If the cluster has no worker nodes, the installer deploys the two routers on the control plane nodes by default. If the cluster has no worker nodes, you can skip this section. Procedure Create a router-replicas.yaml file. apiVersion: operator.openshift.io/v1 kind: IngressController metadata: name: default namespace: openshift-ingress-operator spec: replicas: <num-of-router-pods> endpointPublishingStrategy: type: HostNetwork nodePlacement: nodeSelector: matchLabels: node-role.kubernetes.io/worker: "" Note Replace <num-of-router-pods> with an appropriate value. If working with just one worker node, set replicas: to 1 . If working with more than 3 worker nodes, you can increase replicas: from the default value 2 as appropriate. Save and copy the router-replicas.yaml file to the clusterconfigs/openshift directory. cp ~/router-replicas.yaml clusterconfigs/openshift/99_router-replicas.yaml 8.3.9. Validation checklist for installation ❏ OpenShift Container Platform installer has been retrieved. ❏ OpenShift Container Platform installer has been extracted. ❏ Required parameters for the install-config.yaml have been configured. ❏ The hosts parameter for the install-config.yaml has been configured. ❏ The bmc parameter for the install-config.yaml has been configured. ❏ Conventions for the values configured in the bmc address field have been applied. ❏ Created a disconnected registry (optional). ❏ (optional) Validate disconnected registry settings if in use. ❏ (optional) Deployed routers on worker nodes. 8.3.10. Deploying the cluster via the OpenShift Container Platform installer Run the OpenShift Container Platform installer: USD ./openshift-baremetal-install --dir ~/clusterconfigs --log-level debug create cluster 8.3.11. Following the installation During the deployment process, you can check the installation's overall status by issuing the tail command to the .openshift_install.log log file in the install directory folder. USD tail -f /path/to/install-dir/.openshift_install.log 8.3.12. Preparing to reinstall a cluster on bare metal Before you reinstall a cluster on bare metal, you must perform cleanup operations. Procedure Remove or reformat the disks for the bootstrap, control plane (also known as master) node, and worker nodes. If you are working in a hypervisor environment, you must add any disks you removed. Delete the artifacts that the installation generated: USD cd ; /bin/rm -rf auth/ bootstrap.ign master.ign worker.ign metadata.json \ .openshift_install.log .openshift_install_state.json Generate new manifests and Ignition config files. See "Creating the Kubernetes manifest and Ignition config files" for more information. Upload the new bootstrap, control plane, and compute node Ignition config files that the installation program created to your HTTP server. This will overwrite the Ignition files. 8.4. Expanding the cluster After deploying an installer-provisioned OpenShift Container Platform cluster, you can use the following procedures to expand the number of worker nodes. Ensure that each prospective worker node meets the prerequisites. Note Expanding the cluster using RedFish Virtual Media involves meeting minimum firmware requirements. See Firmware requirements for installing with virtual media in the Prerequisites section for additional details when expanding the cluster using RedFish Virtual Media. 8.4.1. Preparing the bare metal node Expanding the cluster requires a DHCP server. Each node must have a DHCP reservation. Reserving IP addresses so they become static IP addresses Some administrators prefer to use static IP addresses so that each node's IP address remains constant in the absence of a DHCP server. To use static IP addresses in the OpenShift Container Platform cluster, reserve the IP addresses in the DHCP server with an infinite lease . After the installer provisions the node successfully, the dispatcher script will check the node's network configuration. If the dispatcher script finds that the network configuration contains a DHCP infinite lease, it will recreate the connection as a static IP connection using the IP address from the DHCP infinite lease. NICs without DHCP infinite leases will remain unmodified. Setting IP addresses with an infinite lease is incompatible with network configuration deployed by using the Machine Config Operator. Preparing the bare metal node requires executing the following procedure from the provisioner node. Procedure Get the oc binary, if needed. It should already exist on the provisioner node. [kni@provisioner ~]USD curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/openshift-client-linux-USDVERSION.tar.gz | tar zxvf - oc [kni@provisioner ~]USD sudo cp oc /usr/local/bin Power off the bare metal node via the baseboard management controller and ensure it is off. Retrieve the user name and password of the bare metal node's baseboard management controller. Then, create base64 strings from the user name and password. In the following example, the user name is root and the password is calvin . [kni@provisioner ~]USD echo -ne "root" | base64 [kni@provisioner ~]USD echo -ne "calvin" | base64 Create a configuration file for the bare metal node. [kni@provisioner ~]USD vim bmh.yaml --- apiVersion: v1 kind: Secret metadata: name: openshift-worker-<num>-bmc-secret type: Opaque data: username: <base64-of-uid> password: <base64-of-pwd> --- apiVersion: metal3.io/v1alpha1 kind: BareMetalHost metadata: name: openshift-worker-<num> spec: online: true bootMACAddress: <NIC1-mac-address> bmc: address: <protocol>://<bmc-ip> credentialsName: openshift-worker-<num>-bmc-secret Replace <num> for the worker number of the bare metal node in the two name fields and the credentialsName field. Replace <base64-of-uid> with the base64 string of the user name. Replace <base64-of-pwd> with the base64 string of the password. Replace <NIC1-mac-address> with the MAC address of the bare metal node's first NIC. Refer to the BMC addressing section for additional BMC configuration options. Replace <protocol> with the BMC protocol, such as IPMI, RedFish, or others. Replace <bmc-ip> with the IP address of the bare metal node's baseboard management controller. Note If the MAC address of an existing bare metal node matches the MAC address of a bare metal host that you are attempting to provision, then the Ironic installation will fail. If the host enrollment, inspection, cleaning, or other Ironic steps fail, the Bare Metal Operator retries the installation continuously. See Diagnosing a host duplicate MAC address for more information. Create the bare metal node. [kni@provisioner ~]USD oc -n openshift-machine-api create -f bmh.yaml secret/openshift-worker-<num>-bmc-secret created baremetalhost.metal3.io/openshift-worker-<num> created Where <num> will be the worker number. Power up and inspect the bare metal node. [kni@provisioner ~]USD oc -n openshift-machine-api get bmh openshift-worker-<num> Where <num> is the worker node number. NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK ready ipmi://<out-of-band-ip> unknown true 8.4.1.1. Diagnosing a duplicate MAC address when provisioning a new host in the cluster If the MAC address of an existing bare-metal node in the cluster matches the MAC address of a bare-metal host you are attempting to add to the cluster, the Bare Metal Operator associates the host with the existing node. If the host enrollment, inspection, cleaning, or other Ironic steps fail, the Bare Metal Operator retries the installation continuously. A registration error is displayed for the failed bare-metal host. You can diagnose a duplicate MAC address by examining the bare-metal hosts that are running in the openshift-machine-api namespace. Prerequisites Install an OpenShift Container Platform cluster on bare metal. Install the OpenShift Container Platform CLI oc . Log in as a user with cluster-admin privileges. Procedure To determine whether a bare-metal host that fails provisioning has the same MAC address as an existing node, do the following: Get the bare-metal hosts running in the openshift-machine-api namespace: USD oc get bmh -n openshift-machine-api Example output NAME STATUS PROVISIONING STATUS CONSUMER openshift-master-0 OK externally provisioned openshift-zpwpq-master-0 openshift-master-1 OK externally provisioned openshift-zpwpq-master-1 openshift-master-2 OK externally provisioned openshift-zpwpq-master-2 openshift-worker-0 OK provisioned openshift-zpwpq-worker-0-lv84n openshift-worker-1 OK provisioned openshift-zpwpq-worker-0-zd8lm openshift-worker-2 error registering To see more detailed information about the status of the failing host, run the following command replacing <bare_metal_host_name> with the name of the host: USD oc get -n openshift-machine-api bmh <bare_metal_host_name> -o yaml Example output ... status: errorCount: 12 errorMessage: MAC address b4:96:91:1d:7c:20 conflicts with existing node openshift-worker-1 errorType: registration error ... 8.4.2. Provisioning the bare metal node Provisioning the bare metal node requires executing the following procedure from the provisioner node. Procedure Ensure the PROVISIONING STATUS is ready before provisioning the bare metal node. USD oc -n openshift-machine-api get bmh openshift-worker-<num> Where <num> is the worker node number. NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK ready ipmi://<out-of-band-ip> unknown true Get a count of the number of worker nodes. USD oc get nodes NAME STATUS ROLES AGE VERSION provisioner.openshift.example.com Ready master 30h v1.16.2 openshift-master-1.openshift.example.com Ready master 30h v1.16.2 openshift-master-2.openshift.example.com Ready master 30h v1.16.2 openshift-master-3.openshift.example.com Ready master 30h v1.16.2 openshift-worker-0.openshift.example.com Ready master 30h v1.16.2 openshift-worker-1.openshift.example.com Ready master 30h v1.16.2 Get the machine set. USD oc get machinesets -n openshift-machine-api NAME DESIRED CURRENT READY AVAILABLE AGE ... openshift-worker-0.example.com 1 1 1 1 55m openshift-worker-1.example.com 1 1 1 1 55m Increase the number of worker nodes by one. USD oc scale --replicas=<num> machineset <machineset> -n openshift-machine-api Replace <num> with the new number of worker nodes. Replace <machineset> with the name of the machine set from the step. Check the status of the bare metal node. USD oc -n openshift-machine-api get bmh openshift-worker-<num> Where <num> is the worker node number. The status changes from ready to provisioning . NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK provisioning openshift-worker-<num>-65tjz ipmi://<out-of-band-ip> unknown true The provisioning status remains until the OpenShift Container Platform cluster provisions the node. This can take 30 minutes or more. Once complete, the status will change to provisioned . NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK provisioned openshift-worker-<num>-65tjz ipmi://<out-of-band-ip> unknown true Once provisioned, ensure the bare metal node is ready. USD oc get nodes NAME STATUS ROLES AGE VERSION provisioner.openshift.example.com Ready master 30h v1.16.2 openshift-master-1.openshift.example.com Ready master 30h v1.16.2 openshift-master-2.openshift.example.com Ready master 30h v1.16.2 openshift-master-3.openshift.example.com Ready master 30h v1.16.2 openshift-worker-0.openshift.example.com Ready master 30h v1.16.2 openshift-worker-1.openshift.example.com Ready master 30h v1.16.2 openshift-worker-<num>.openshift.example.com Ready worker 3m27s v1.16.2 You can also check the kubelet. USD ssh openshift-worker-<num> [kni@openshift-worker-<num>]USD journalctl -fu kubelet 8.5. Troubleshooting 8.5.1. Troubleshooting the installer workflow Prior to troubleshooting the installation environment, it is critical to understand the overall flow of the installer-provisioned installation on bare metal. The diagrams below provide a troubleshooting flow with a step-by-step breakdown for the environment. Workflow 1 of 4 illustrates a troubleshooting workflow when the install-config.yaml file has errors or the Red Hat Enterprise Linux CoreOS (RHCOS) images are inaccessible. Troubleshooting suggestions can be found at Troubleshooting install-config.yaml . Workflow 2 of 4 illustrates a troubleshooting workflow for bootstrap VM issues , bootstrap VMs that cannot boot up the cluster nodes , and inspecting logs . When installing a OpenShift Container Platform cluster without the provisioning network, this workflow does not apply. Workflow 3 of 4 illustrates a troubleshooting workflow for cluster nodes that will not PXE boot . If installing using RedFish Virtual Media, each node must meet minimum firmware requirements for the installer to deploy the node. See Firmware requirements for installing with virtual media in the Prerequisites section for additional details. Workflow 4 of 4 illustrates a troubleshooting workflow from a non-accessible API to a validated installation . 8.5.2. Troubleshooting install-config.yaml The install-config.yaml configuration file represents all of the nodes that are part of the OpenShift Container Platform cluster. The file contains the necessary options consisting of but not limited to apiVersion , baseDomain , imageContentSources and virtual IP addresses. If errors occur early in the deployment of the OpenShift Container Platform cluster, the errors are likely in the install-config.yaml configuration file. Procedure Use the guidelines in YAML-tips . Verify the YAML syntax is correct using syntax-check . Verify the Red Hat Enterprise Linux CoreOS (RHCOS) QEMU images are properly defined and accessible via the URL provided in the install-config.yaml . For example: USD curl -s -o /dev/null -I -w "%{http_code}\n" http://webserver.example.com:8080/rhcos-44.81.202004250133-0-qemu.x86_64.qcow2.gz?sha256=7d884b46ee54fe87bbc3893bf2aa99af3b2d31f2e19ab5529c60636fbd0f1ce7 If the output is 200 , there is a valid response from the webserver storing the bootstrap VM image. 8.5.3. Bootstrap VM issues The OpenShift Container Platform installer spawns a bootstrap node virtual machine, which handles provisioning the OpenShift Container Platform cluster nodes. Procedure About 10 to 15 minutes after triggering the installer, check to ensure the bootstrap VM is operational using the virsh command: USD sudo virsh list Id Name State -------------------------------------------- 12 openshift-xf6fq-bootstrap running Note The name of the bootstrap VM is always the cluster name followed by a random set of characters and ending in the word "bootstrap." If the bootstrap VM is not running after 10-15 minutes, troubleshoot why it is not running. Possible issues include: Verify libvirtd is running on the system: USD systemctl status libvirtd ● libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2020-03-03 21:21:07 UTC; 3 weeks 5 days ago Docs: man:libvirtd(8) https://libvirt.org Main PID: 9850 (libvirtd) Tasks: 20 (limit: 32768) Memory: 74.8M CGroup: /system.slice/libvirtd.service ├─ 9850 /usr/sbin/libvirtd If the bootstrap VM is operational, log in to it. Use the virsh console command to find the IP address of the bootstrap VM: USD sudo virsh console example.com Connected to domain example.com Escape character is ^] Red Hat Enterprise Linux CoreOS 43.81.202001142154.0 (Ootpa) 4.3 SSH host key: SHA256:BRWJktXZgQQRY5zjuAV0IKZ4WM7i4TiUyMVanqu9Pqg (ED25519) SSH host key: SHA256:7+iKGA7VtG5szmk2jB5gl/5EZ+SNcJ3a2g23o0lnIio (ECDSA) SSH host key: SHA256:DH5VWhvhvagOTaLsYiVNse9ca+ZSW/30OOMed8rIGOc (RSA) ens3: fd35:919d:4042:2:c7ed:9a9f:a9ec:7 ens4: 172.22.0.2 fe80::1d05:e52e:be5d:263f localhost login: Important When deploying a OpenShift Container Platform cluster without the provisioning network, you must use a public IP address and not a private IP address like 172.22.0.2 . Once you obtain the IP address, log in to the bootstrap VM using the ssh command: Note In the console output of the step, you can use the IPv6 IP address provided by ens3 or the IPv4 IP provided by ens4 . USD ssh core@172.22.0.2 If you are not successful logging in to the bootstrap VM, you have likely encountered one of the following scenarios: You cannot reach the 172.22.0.0/24 network. Verify network connectivity on the provisioner host specifically around the provisioning network bridge. This will not be the issue if you are not using the provisioning network. You cannot reach the bootstrap VM via the public network. When attempting to SSH via baremetal network, verify connectivity on the provisioner host specifically around the baremetal network bridge. You encountered Permission denied (publickey,password,keyboard-interactive) . When attempting to access the bootstrap VM, a Permission denied error might occur. Verify that the SSH key for the user attempting to log into the VM is set within the install-config.yaml file. 8.5.3.1. Bootstrap VM cannot boot up the cluster nodes During the deployment, it is possible for the bootstrap VM to fail to boot the cluster nodes, which prevents the VM from provisioning the nodes with the RHCOS image. This scenario can arise due to: A problem with the install-config.yaml file. Issues with out-of-band network access via the baremetal network. To verify the issue, there are three containers related to ironic : ironic-api ironic-conductor ironic-inspector Procedure Log in to the bootstrap VM: USD ssh core@172.22.0.2 To check the container logs, execute the following: [core@localhost ~]USD sudo podman logs -f <container-name> Replace <container-name> with one of ironic-api , ironic-conductor , or ironic-inspector . If you encounter an issue where the control plane nodes are not booting up via PXE, check the ironic-conductor pod. The ironic-conductor pod contains the most detail about the attempt to boot the cluster nodes, because it attempts to log in to the node over IPMI. Potential reason The cluster nodes might be in the ON state when deployment started. Solution Power off the OpenShift Container Platform cluster nodes before you begin the installation over IPMI: USD ipmitool -I lanplus -U root -P <password> -H <out-of-band-ip> power off 8.5.3.2. Inspecting logs When experiencing issues downloading or accessing the RHCOS images, first verify that the URL is correct in the install-config.yaml configuration file. Example of internal webserver hosting RHCOS images bootstrapOSImage: http://<ip:port>/rhcos-43.81.202001142154.0-qemu.x86_64.qcow2.gz?sha256=9d999f55ff1d44f7ed7c106508e5deecd04dc3c06095d34d36bf1cd127837e0c clusterOSImage: http://<ip:port>/rhcos-43.81.202001142154.0-openstack.x86_64.qcow2.gz?sha256=a1bda656fa0892f7b936fdc6b6a6086bddaed5dafacedcd7a1e811abb78fe3b0 The ipa-downloader and coreos-downloader containers download resources from a webserver or the external quay.io registry, whichever the install-config.yaml configuration file specifies. Verify the following two containers are up and running and inspect their logs as needed: ipa-downloader coreos-downloader Procedure Log in to the bootstrap VM: USD ssh core@172.22.0.2 Check the status of the ipa-downloader and coreos-downloader containers within the bootstrap VM: [core@localhost ~]USD sudo podman logs -f ipa-downloader [core@localhost ~]USD sudo podman logs -f coreos-downloader If the bootstrap VM cannot access the URL to the images, use the curl command to verify that the VM can access the images. To inspect the bootkube logs that indicate if all the containers launched during the deployment phase, execute the following: [core@localhost ~]USD journalctl -xe [core@localhost ~]USD journalctl -b -f -u bootkube.service Verify all the pods, including dnsmasq , mariadb , httpd , and ironic , are running: [core@localhost ~]USD sudo podman ps If there are issues with the pods, check the logs of the containers with issues. To check the log of the ironic-api , execute the following: [core@localhost ~]USD sudo podman logs <ironic-api> 8.5.4. Cluster nodes will not PXE boot When OpenShift Container Platform cluster nodes will not PXE boot, execute the following checks on the cluster nodes that will not PXE boot. This procedure does not apply when installing a OpenShift Container Platform cluster without the provisioning network. Procedure Check the network connectivity to the provisioning network. Ensure PXE is enabled on the NIC for the provisioning network and PXE is disabled for all other NICs. Verify that the install-config.yaml configuration file has the proper hardware profile and boot MAC address for the NIC connected to the provisioning network. For example: control plane node settings Worker node settings 8.5.5. The API is not accessible When the cluster is running and clients cannot access the API, domain name resolution issues might impede access to the API. Procedure Hostname Resolution: Check the cluster nodes to ensure they have a fully qualified domain name, and not just localhost.localdomain . For example: USD hostname If a hostname is not set, set the correct hostname. For example: USD hostnamectl set-hostname <hostname> Incorrect Name Resolution: Ensure that each node has the correct name resolution in the DNS server using dig and nslookup . For example: USD dig api.<cluster-name>.example.com ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el8 <<>> api.<cluster-name>.example.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37551 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 866929d2f8e8563582af23f05ec44203d313e50948d43f60 (good) ;; QUESTION SECTION: ;api.<cluster-name>.example.com. IN A ;; ANSWER SECTION: api.<cluster-name>.example.com. 10800 IN A 10.19.13.86 ;; AUTHORITY SECTION: <cluster-name>.example.com. 10800 IN NS <cluster-name>.example.com. ;; ADDITIONAL SECTION: <cluster-name>.example.com. 10800 IN A 10.19.14.247 ;; Query time: 0 msec ;; SERVER: 10.19.14.247#53(10.19.14.247) ;; WHEN: Tue May 19 20:30:59 UTC 2020 ;; MSG SIZE rcvd: 140 The output in the foregoing example indicates that the appropriate IP address for the api.<cluster-name>.example.com VIP is 10.19.13.86 . This IP address should reside on the baremetal network. 8.5.6. Cleaning up installations In the event of a failed deployment, remove the artifacts from the failed attempt before attempting to deploy OpenShift Container Platform again. Procedure Power off all bare metal nodes prior to installing the OpenShift Container Platform cluster: USD ipmitool -I lanplus -U <user> -P <password> -H <management-server-ip> power off Remove all old bootstrap resources if any are left over from a deployment attempt: for i in USD(sudo virsh list | tail -n +3 | grep bootstrap | awk {'print USD2'}); do sudo virsh destroy USDi; sudo virsh undefine USDi; sudo virsh vol-delete USDi --pool USDi; sudo virsh vol-delete USDi.ign --pool USDi; sudo virsh pool-destroy USDi; sudo virsh pool-undefine USDi; done Remove the following from the clusterconfigs directory to prevent Terraform from failing: USD rm -rf ~/clusterconfigs/auth ~/clusterconfigs/terraform* ~/clusterconfigs/tls ~/clusterconfigs/metadata.json 8.5.7. Issues with creating the registry When creating a disconnected registry, you might encounter a "User Not Authorized" error when attempting to mirror the registry. This error might occur if you fail to append the new authentication to the existing pull-secret.txt file. Procedure Check to ensure authentication is successful: USD /usr/local/bin/oc adm release mirror \ -a pull-secret-update.json --from=USDUPSTREAM_REPO \ --to-release-image=USDLOCAL_REG/USDLOCAL_REPO:USD{VERSION} \ --to=USDLOCAL_REG/USDLOCAL_REPO Note Example output of the variables used to mirror the install images: UPSTREAM_REPO=USD{RELEASE_IMAGE} LOCAL_REG=<registry_FQDN>:<registry_port> LOCAL_REPO='ocp4/openshift4' The values of RELEASE_IMAGE and VERSION were set during the Retrieving OpenShift Installer step of the Setting up the environment for an OpenShift installation section. After mirroring the registry, confirm that you can access it in your disconnected environment: USD curl -k -u <user>:<password> https://registry.example.com:<registry-port>/v2/_catalog {"repositories":["<Repo-Name>"]} 8.5.8. Miscellaneous issues 8.5.8.1. Addressing the runtime network not ready error After the deployment of a cluster you might receive the following error: The Cluster Network Operator is responsible for deploying the networking components in response to a special object created by the installer. It runs very early in the installation process, after the control plane (master) nodes have come up, but before the bootstrap control plane has been torn down. It can be indicative of more subtle installer issues, such as long delays in bringing up control plane (master) nodes or issues with apiserver communication. Procedure Inspect the pods in the openshift-network-operator namespace: USD oc get all -n openshift-network-operator NAME READY STATUS RESTARTS AGE pod/network-operator-69dfd7b577-bg89v 0/1 ContainerCreating 0 149m On the provisioner node, determine that the network configuration exists: USD kubectl get network.config.openshift.io cluster -oyaml apiVersion: config.openshift.io/v1 kind: Network metadata: name: cluster spec: serviceNetwork: - 172.30.0.0/16 clusterNetwork: - cidr: 10.128.0.0/14 hostPrefix: 23 networkType: OpenShiftSDN If it does not exist, the installer did not create it. To determine why the installer did not create it, execute the following: USD openshift-install create manifests Check that the network-operator is running: USD kubectl -n openshift-network-operator get pods Retrieve the logs: USD kubectl -n openshift-network-operator logs -l "name=network-operator" On high availability clusters with three or more control plane (master) nodes, the Operator will perform leader election and all other Operators will sleep. For additional details, see Troubleshooting . 8.5.8.2. Cluster nodes not getting the correct IPv6 address over DHCP If the cluster nodes are not getting the correct IPv6 address over DHCP, check the following: Ensure the reserved IPv6 addresses reside outside the DHCP range. In the IP address reservation on the DHCP server, ensure the reservation specifies the correct DHCP Unique Identifier (DUID). For example: # This is a dnsmasq dhcp reservation, 'id:00:03:00:01' is the client id and '18:db:f2:8c:d5:9f' is the MAC Address for the NIC id:00:03:00:01:18:db:f2:8c:d5:9f,openshift-master-1,[2620:52:0:1302::6] Ensure that route announcements are working. Ensure that the DHCP server is listening on the required interfaces serving the IP address ranges. 8.5.8.3. Cluster nodes not getting the correct hostname over DHCP During IPv6 deployment, cluster nodes must get their hostname over DHCP. Sometimes the NetworkManager does not assign the hostname immediately. A control plane (master) node might report an error such as: This error indicates that the cluster node likely booted without first receiving a hostname from the DHCP server, which causes kubelet to boot with a localhost.localdomain hostname. To address the error, force the node to renew the hostname. Procedure Retrieve the hostname : [core@master-X ~]USD hostname If the hostname is localhost , proceed with the following steps. Note Where X is the control plane node (also known as the master node) number. Force the cluster node to renew the DHCP lease: [core@master-X ~]USD sudo nmcli con up "<bare-metal-nic>" Replace <bare-metal-nic> with the wired connection corresponding to the baremetal network. Check hostname again: [core@master-X ~]USD hostname If the hostname is still localhost.localdomain , restart NetworkManager : [core@master-X ~]USD sudo systemctl restart NetworkManager If the hostname is still localhost.localdomain , wait a few minutes and check again. If the hostname remains localhost.localdomain , repeat the steps. Restart the nodeip-configuration service: [core@master-X ~]USD sudo systemctl restart nodeip-configuration.service This service will reconfigure the kubelet service with the correct hostname references. Reload the unit files definition since the kubelet changed in the step: [core@master-X ~]USD sudo systemctl daemon-reload Restart the kubelet service: [core@master-X ~]USD sudo systemctl restart kubelet.service Ensure kubelet booted with the correct hostname: [core@master-X ~]USD sudo journalctl -fu kubelet.service If the cluster node is not getting the correct hostname over DHCP after the cluster is up and running, such as during a reboot, the cluster will have a pending csr . Do not approve a csr , or other issues might arise. Addressing a csr Get CSRs on the cluster: USD oc get csr Verify if a pending csr contains Subject Name: localhost.localdomain : USD oc get csr <pending_csr> -o jsonpath='{.spec.request}' | base64 --decode | openssl req -noout -text Remove any csr that contains Subject Name: localhost.localdomain : USD oc delete csr <wrong_csr> 8.5.8.4. Routes do not reach endpoints During the installation process, it is possible to encounter a Virtual Router Redundancy Protocol (VRRP) conflict. This conflict might occur if a previously used OpenShift Container Platform node that was once part of a cluster deployment using a specific cluster name is still running but not part of the current OpenShift Container Platform cluster deployment using that same cluster name. For example, a cluster was deployed using the cluster name openshift , deploying three control plane (master) nodes and three worker nodes. Later, a separate install uses the same cluster name openshift , but this redeployment only installed three control plane (master) nodes, leaving the three worker nodes from a deployment in an ON state. This might cause a Virtual Router Identifier (VRID) conflict and a VRRP conflict. Get the route: USD oc get route oauth-openshift Check the service endpoint: USD oc get svc oauth-openshift NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE oauth-openshift ClusterIP 172.30.19.162 <none> 443/TCP 59m Attempt to reach the service from a control plane (master) node: [core@master0 ~]USD curl -k https://172.30.19.162 { "kind": "Status", "apiVersion": "v1", "metadata": { }, "status": "Failure", "message": "forbidden: User \"system:anonymous\" cannot get path \"/\"", "reason": "Forbidden", "details": { }, "code": 403 Identify the authentication-operator errors from the provisioner node: USD oc logs deployment/authentication-operator -n openshift-authentication-operator Event(v1.ObjectReference{Kind:"Deployment", Namespace:"openshift-authentication-operator", Name:"authentication-operator", UID:"225c5bd5-b368-439b-9155-5fd3c0459d98", APIVersion:"apps/v1", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'OperatorStatusChanged' Status for clusteroperator/authentication changed: Degraded message changed from "IngressStateEndpointsDegraded: All 2 endpoints for oauth-server are reporting" Solution Ensure that the cluster name for every deployment is unique, ensuring no conflict. Turn off all the rogue nodes which are not part of the cluster deployment that are using the same cluster name. Otherwise, the authentication pod of the OpenShift Container Platform cluster might never start successfully. 8.5.8.5. Failed Ignition during Firstboot During the Firstboot, the Ignition configuration may fail. Procedure Connect to the node where the Ignition configuration failed: Failed Units: 1 machine-config-daemon-firstboot.service Restart the machine-config-daemon-firstboot service: [core@worker-X ~]USD sudo systemctl restart machine-config-daemon-firstboot.service 8.5.8.6. NTP out of sync The deployment of OpenShift Container Platform clusters depends on NTP synchronized clocks among the cluster nodes. Without synchronized clocks, the deployment may fail due to clock drift if the time difference is greater than two seconds. Procedure Check for differences in the AGE of the cluster nodes. For example: USD oc get nodes NAME STATUS ROLES AGE VERSION master-0.cloud.example.com Ready master 145m v1.16.2 master-1.cloud.example.com Ready master 135m v1.16.2 master-2.cloud.example.com Ready master 145m v1.16.2 worker-2.cloud.example.com Ready worker 100m v1.16.2 Check for inconsistent timing delays due to clock drift. For example: USD oc get bmh -n openshift-machine-api master-1 error registering master-1 ipmi://<out-of-band-ip> USD sudo timedatectl Local time: Tue 2020-03-10 18:20:02 UTC Universal time: Tue 2020-03-10 18:20:02 UTC RTC time: Tue 2020-03-10 18:36:53 Time zone: UTC (UTC, +0000) System clock synchronized: no NTP service: active RTC in local TZ: no Addressing clock drift in existing clusters Create a chrony.conf file and encode it as base64 string. For example: USD cat << EOF | base 64 server <NTP-server> iburst 1 stratumweight 0 driftfile /var/lib/chrony/drift rtcsync makestep 10 3 bindcmdaddress 127.0.0.1 bindcmdaddress ::1 keyfile /etc/chrony.keys commandkey 1 generatecommandkey noclientlog logchange 0.5 logdir /var/log/chrony EOF 1 Replace <NTP-server> with the IP address of the NTP server. Copy the output. Create a MachineConfig object, replacing the base64 string with the [text-in-base-64] string generated in the output of the step. The following example adds the file to the control plane (master) nodes. You can modify the file for worker nodes or make an additional machine config for the worker role. USD cat << EOF > ./99_masters-chrony-configuration.yaml apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: creationTimestamp: null labels: machineconfiguration.openshift.io/role: master name: 99-master-etc-chrony-conf spec: config: ignition: config: {} security: tls: {} timeouts: {} version: 3.1.0 networkd: {} passwd: {} storage: files: - contents: source: data:text/plain;charset=utf-8;base64,[text-in-base-64] 1 group: name: root mode: 420 overwrite: true path: /etc/chrony.conf user: name: root osImageURL: "" 1 Replace [text-in-base-64] with the base64 string. Make a backup copy of the configuration file. For example: USD cp 99_masters-chrony-configuration.yaml 99_masters-chrony-configuration.yaml.backup Apply the configuration file: USD oc apply -f ./masters-chrony-configuration.yaml Ensure the System clock synchronized value is yes : USD sudo timedatectl Local time: Tue 2020-03-10 19:10:02 UTC Universal time: Tue 2020-03-10 19:10:02 UTC RTC time: Tue 2020-03-10 19:36:53 Time zone: UTC (UTC, +0000) System clock synchronized: yes NTP service: active RTC in local TZ: no To setup clock synchronization prior to deployment, generate the manifest files and add this file to the openshift directory. For example: USD cp chrony-masters.yaml ~/clusterconfigs/openshift/99_masters-chrony-configuration.yaml Then, continue to create the cluster. 8.5.9. Reviewing the installation After installation, ensure the installer deployed the nodes and pods successfully. Procedure When the OpenShift Container Platform cluster nodes are installed appropriately, the following Ready state is seen within the STATUS column: USD oc get nodes NAME STATUS ROLES AGE VERSION master-0.example.com Ready master,worker 4h v1.16.2 master-1.example.com Ready master,worker 4h v1.16.2 master-2.example.com Ready master,worker 4h v1.16.2 Confirm the installer deployed all pods successfully. The following command removes any pods that are still running or have completed as part of the output. USD oc get pods --all-namespaces | grep -iv running | grep -iv complete

Commands:
<cluster_name>.<domain-name>
test-cluster.example.com
useradd kni passwd kni echo "kni ALL=(root) NOPASSWD:ALL" | tee -a /etc/sudoers.d/kni chmod 0440 /etc/sudoers.d/kni
su - kni -c "ssh-keygen -t ed25519 -f /home/kni/.ssh/id_rsa -N ''"
su - kni USD
sudo subscription-manager register --username=<user> --password=<pass> --auto-attach sudo subscription-manager repos --enable=rhel-8-for-x86_64-appstream-rpms --enable=rhel-8-for-x86_64-baseos-rpms
sudo dnf install -y libvirt qemu-kvm mkisofs python3-devel jq ipmitool
sudo usermod --append --groups libvirt <user>
sudo systemctl start firewalld sudo firewall-cmd --zone=public --add-service=http --permanent sudo firewall-cmd --reload
sudo systemctl enable libvirtd --now
sudo virsh pool-define-as --name default --type dir --target /var/lib/libvirt/images sudo virsh pool-start default sudo virsh pool-autostart default
export PUB_CONN=<baremetal_nic_name>
sudo nohup bash -c " nmcli con down \"USDPUB_CONN\" nmcli con delete \"USDPUB_CONN\" # RHEL 8.1 appends the word \"System\" in front of the connection, delete in case it exists nmcli con down \"System USDPUB_CONN\" nmcli con delete \"System USDPUB_CONN\" nmcli connection add ifname baremetal type bridge con-name baremetal nmcli con add type bridge-slave ifname \"USDPUB_CONN\" master baremetal pkill dhclient;dhclient baremetal "
export PROV_CONN=<prov_nic_name>
sudo nohup bash -c " nmcli con down \"USDPROV_CONN\" nmcli con delete \"USDPROV_CONN\" nmcli connection add ifname provisioning type bridge con-name provisioning nmcli con add type bridge-slave ifname \"USDPROV_CONN\" master provisioning nmcli connection modify provisioning ipv6.addresses fd00:1101::1/64 ipv6.method manual nmcli con down provisioning nmcli con up provisioning "
nmcli connection modify provisioning ipv4.addresses 172.22.0.254/24 ipv4.method manual
ssh kni@provisioner.<cluster-name>.<domain>
sudo nmcli con show
NAME UUID TYPE DEVICE baremetal 4d5133a5-8351-4bb9-bfd4-3af264801530 bridge baremetal provisioning 43942805-017f-4d7d-a2c2-7cb3324482ed bridge provisioning virbr0 d9bca40f-eee1-410b-8879-a2d4bb0465e7 bridge virbr0 bridge-slave-eno1 76a8ed50-c7e5-4999-b4f6-6d9014dd0812 ethernet eno1 bridge-slave-eno2 f31c3353-54b7-48de-893a-02d2b34c4736 ethernet eno2
vim pull-secret.txt
export VERSION=latest-4.7 export RELEASE_IMAGE=USD(curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/release.txt | grep 'Pull From: quay.io' | awk -F ' ' '{print USD3}')
export cmd=openshift-baremetal-install export pullsecret_file=~/pull-secret.txt export extract_dir=USD(pwd)
curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/openshift-client-linux.tar.gz | tar zxvf - oc
sudo cp oc /usr/local/bin oc adm release extract --registry-config "USD{pullsecret_file}" --command=USDcmd --to "USD{extract_dir}" USD{RELEASE_IMAGE} sudo cp openshift-baremetal-install /usr/local/bin
sudo dnf install -y podman
sudo firewall-cmd --add-port=8080/tcp --zone=public --permanent
sudo firewall-cmd --reload
mkdir /home/kni/rhcos_image_cache
sudo semanage fcontext -a -t httpd_sys_content_t "/home/kni/rhcos_image_cache(/.*)?" sudo restorecon -Rv rhcos_image_cache/
export COMMIT_ID=USD(/usr/local/bin/openshift-baremetal-install version | grep '^built from commit' | awk '{print USD4}')
export RHCOS_OPENSTACK_URI=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .images.openstack.path | sed 's/"//g')
export RHCOS_QEMU_URI=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .images.qemu.path | sed 's/"//g')
export RHCOS_PATH=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq .baseURI | sed 's/"//g')
export RHCOS_QEMU_SHA_UNCOMPRESSED=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq -r '.images.qemu["uncompressed-sha256"]')
export RHCOS_OPENSTACK_SHA_COMPRESSED=USD(curl -s -S https://raw.githubusercontent.com/openshift/installer/USDCOMMIT_ID/data/data/rhcos.json | jq -r '.images.openstack.sha256')
curl -L USD{RHCOS_PATH}USD{RHCOS_QEMU_URI} -o /home/kni/rhcos_image_cache/USD{RHCOS_QEMU_URI} curl -L USD{RHCOS_PATH}USD{RHCOS_OPENSTACK_URI} -o /home/kni/rhcos_image_cache/USD{RHCOS_OPENSTACK_URI}
ls -Z /home/kni/rhcos_image_cache
podman run -d --name rhcos_image_cache -v /home/kni/rhcos_image_cache:/var/www/html -p 8080:8080/tcp quay.io/centos7/httpd-24-centos7:latest
apiVersion: v1 baseDomain: <domain> metadata: name: <cluster-name> networking: machineCIDR: <public-cidr> networkType: OVNKubernetes compute: - name: worker replicas: 2 1 controlPlane: name: master replicas: 3 platform: baremetal: {} platform: baremetal: apiVIP: <api-ip> ingressVIP: <wildcard-ip> provisioningNetworkInterface: <NIC1> provisioningNetworkCIDR: <CIDR> hosts: - name: openshift-master-0 role: master bmc: address: ipmi://<out-of-band-ip> 2 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-master-1> role: master bmc: address: ipmi://<out-of-band-ip> 3 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-master-2> role: master bmc: address: ipmi://<out-of-band-ip> 4 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: default - name: <openshift-worker-0> role: worker bmc: address: ipmi://<out-of-band-ip> 5 username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: unknown - name: <openshift-worker-1> role: worker bmc: address: ipmi://<out-of-band-ip> username: <user> password: <password> bootMACAddress: <NIC1-mac-address> hardwareProfile: unknown pullSecret: '<pull_secret>' sshKey: '<ssh_pub_key>'
mkdir ~/clusterconfigs cp install-config.yaml ~/clusterconfigs
ipmitool -I lanplus -U <user> -P <password> -H <management-server-ip> power off
for i in USD(sudo virsh list | tail -n +3 | grep bootstrap | awk {'print USD2'}); do sudo virsh destroy USDi; sudo virsh undefine USDi; sudo virsh vol-delete USDi --pool USDi; sudo virsh vol-delete USDi.ign --pool USDi; sudo virsh pool-destroy USDi; sudo virsh pool-undefine USDi; done
apiVersion: v1 baseDomain: <domain> proxy: httpProxy: http://USERNAME:PASSWORD@proxy.example.com:PORT httpsProxy: https://USERNAME:PASSWORD@proxy.example.com:PORT noProxy: <WILDCARD_OF_DOMAIN>,<PROVISIONING_NETWORK/CIDR>,<BMC_ADDRESS_RANGE/CIDR>
noProxy: .example.com,172.22.0.0/24,10.10.0.0/24
platform: baremetal: apiVIP: <apiVIP> ingressVIP: <ingress/wildcard VIP> provisioningNetwork: "Disabled"
hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out_of_band_ip> 1 username: <user> password: <password> bootMACAddress: <NIC1_mac_address> rootDeviceHints: deviceName: "/dev/sda" bootMode: UEFISecureBoot 2
metadata: name:
networking: machineCIDR:
compute: - name: worker
compute: replicas: 2
controlPlane: name: master
controlPlane: replicas: 3
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: ipmi://<out-of-band-ip> username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True
platform: baremetal: hosts: - name: <hostname> role: <master | worker> bmc: address: <address> username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: idrac-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: idrac-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> disableCertificateVerification: True
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/System.Embedded.1 username: <user> password: <password> disableCertificateVerification: True
platform: baremetal: hosts: - name: <hostname> role: <master | worker> bmc: address: <address> username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish-virtualmedia://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password>
platform: baremetal: hosts: - name: openshift-master-0 role: master bmc: address: redfish://<out-of-band-ip>/redfish/v1/Systems/1 username: <user> password: <password> disableCertificateVerification: True
- name: master-0 role: master bmc: address: ipmi://10.10.0.3:6203 username: admin password: redhat bootMACAddress: de:ad:be:ef:00:40 rootDeviceHints: deviceName: "/dev/sda"
./openshift-baremetal-install --dir ~/clusterconfigs create manifests
INFO Consuming Install Config from target directory WARNING Making control-plane schedulable by setting MastersSchedulable to true for Scheduler cluster settings WARNING Discarding the OpenShift Manifest that was provided in the target directory because its dependencies are dirty and it needs to be regenerated
sudo firewall-cmd --add-port=5000/tcp --zone=libvirt --permanent sudo firewall-cmd --add-port=5000/tcp --zone=public --permanent sudo firewall-cmd --reload
sudo yum -y install python3 podman httpd httpd-tools jq
sudo mkdir -p /opt/registry/{auth,certs,data}
host_fqdn=USD( hostname --long ) cert_c="<Country Name>" # Country Name (C, 2 letter code) cert_s="<State>" # Certificate State (S) cert_l="<Locality>" # Certificate Locality (L) cert_o="<Organization>" # Certificate Organization (O) cert_ou="<Org Unit>" # Certificate Organizational Unit (OU) cert_cn="USD{host_fqdn}" # Certificate Common Name (CN) openssl req -newkey rsa:4096 -nodes -sha256 -keyout /opt/registry/certs/domain.key -x509 -days 365 -out /opt/registry/certs/domain.crt -addext "subjectAltName = DNS:USD{host_fqdn}" -subj "/C=USD{cert_c}/ST=USD{cert_s}/L=USD{cert_l}/O=USD{cert_o}/OU=USD{cert_ou}/CN=USD{cert_cn}"
sudo cp /opt/registry/certs/domain.crt /etc/pki/ca-trust/source/anchors/ sudo update-ca-trust extract
htpasswd -bBc /opt/registry/auth/htpasswd <user> <passwd>
podman create --name ocpdiscon-registry -p 5000:5000 -e "REGISTRY_AUTH=htpasswd" -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry" -e "REGISTRY_HTTP_SECRET=ALongRandomSecretForRegistry" -e "REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd" -e "REGISTRY_HTTP_TLS_CERTIFICATE=/certs/domain.crt" -e "REGISTRY_HTTP_TLS_KEY=/certs/domain.key" -e "REGISTRY_COMPATIBILITY_SCHEMA1_ENABLED=true" -v /opt/registry/data:/var/lib/registry:z -v /opt/registry/auth:/auth:z -v /opt/registry/certs:/certs:z docker.io/library/registry:2
podman start ocpdiscon-registry
scp kni@provisioner:/home/kni/pull-secret.txt pull-secret.txt
host_fqdn=USD( hostname --long )
b64auth=USD( echo -n '<username>:<passwd>' | openssl base64 )
AUTHSTRING="{\"USDhost_fqdn:5000\": {\"auth\": \"USDb64auth\",\"email\": \"USDUSER@redhat.com\"}}"
jq ".auths += USDAUTHSTRING" < pull-secret.txt > pull-secret-update.txt
sudo scp kni@provisioner:/usr/local/bin/oc /usr/local/bin
VERSION=<release_version>
LOCAL_REG='<local_registry_host_name>:<local_registry_host_port>'
LOCAL_REPO='<local_repository_name>'
/usr/local/bin/oc adm release mirror -a pull-secret-update.txt --from=USDUPSTREAM_REPO --to-release-image=USDLOCAL_REG/USDLOCAL_REPO:USD{VERSION} --to=USDLOCAL_REG/USDLOCAL_REPO
echo "additionalTrustBundle: |" >> install-config.yaml sed -e 's/^/ /' /opt/registry/certs/domain.crt >> install-config.yaml
echo "imageContentSources:" >> install-config.yaml echo "- mirrors:" >> install-config.yaml echo " - registry.example.com:5000/ocp4/openshift4" >> install-config.yaml echo " source: quay.io/openshift-release-dev/ocp-release" >> install-config.yaml echo "- mirrors:" >> install-config.yaml echo " - registry.example.com:5000/ocp4/openshift4" >> install-config.yaml echo " source: quay.io/openshift-release-dev/ocp-v4.0-art-dev" >> install-config.yaml
apiVersion: operator.openshift.io/v1 kind: IngressController metadata: name: default namespace: openshift-ingress-operator spec: replicas: <num-of-router-pods> endpointPublishingStrategy: type: HostNetwork nodePlacement: nodeSelector: matchLabels: node-role.kubernetes.io/worker: ""
cp ~/router-replicas.yaml clusterconfigs/openshift/99_router-replicas.yaml
./openshift-baremetal-install --dir ~/clusterconfigs --log-level debug create cluster
tail -f /path/to/install-dir/.openshift_install.log
cd ; /bin/rm -rf auth/ bootstrap.ign master.ign worker.ign metadata.json .openshift_install.log .openshift_install_state.json
[kni@provisioner ~]USD curl -s https://mirror.openshift.com/pub/openshift-v4/clients/ocp/USDVERSION/openshift-client-linux-USDVERSION.tar.gz | tar zxvf - oc
[kni@provisioner ~]USD sudo cp oc /usr/local/bin
[kni@provisioner ~]USD echo -ne "root" | base64
[kni@provisioner ~]USD echo -ne "calvin" | base64
[kni@provisioner ~]USD vim bmh.yaml
--- apiVersion: v1 kind: Secret metadata: name: openshift-worker-<num>-bmc-secret type: Opaque data: username: <base64-of-uid> password: <base64-of-pwd> --- apiVersion: metal3.io/v1alpha1 kind: BareMetalHost metadata: name: openshift-worker-<num> spec: online: true bootMACAddress: <NIC1-mac-address> bmc: address: <protocol>://<bmc-ip> credentialsName: openshift-worker-<num>-bmc-secret
[kni@provisioner ~]USD oc -n openshift-machine-api create -f bmh.yaml
secret/openshift-worker-<num>-bmc-secret created baremetalhost.metal3.io/openshift-worker-<num> created
[kni@provisioner ~]USD oc -n openshift-machine-api get bmh openshift-worker-<num>
NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK ready ipmi://<out-of-band-ip> unknown true
oc get bmh -n openshift-machine-api
NAME STATUS PROVISIONING STATUS CONSUMER openshift-master-0 OK externally provisioned openshift-zpwpq-master-0 openshift-master-1 OK externally provisioned openshift-zpwpq-master-1 openshift-master-2 OK externally provisioned openshift-zpwpq-master-2 openshift-worker-0 OK provisioned openshift-zpwpq-worker-0-lv84n openshift-worker-1 OK provisioned openshift-zpwpq-worker-0-zd8lm openshift-worker-2 error registering
oc get -n openshift-machine-api bmh <bare_metal_host_name> -o yaml
status: errorCount: 12 errorMessage: MAC address b4:96:91:1d:7c:20 conflicts with existing node openshift-worker-1 errorType: registration error
oc -n openshift-machine-api get bmh openshift-worker-<num>
NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK ready ipmi://<out-of-band-ip> unknown true
oc get nodes
NAME STATUS ROLES AGE VERSION provisioner.openshift.example.com Ready master 30h v1.16.2 openshift-master-1.openshift.example.com Ready master 30h v1.16.2 openshift-master-2.openshift.example.com Ready master 30h v1.16.2 openshift-master-3.openshift.example.com Ready master 30h v1.16.2 openshift-worker-0.openshift.example.com Ready master 30h v1.16.2 openshift-worker-1.openshift.example.com Ready master 30h v1.16.2
oc get machinesets -n openshift-machine-api
NAME DESIRED CURRENT READY AVAILABLE AGE openshift-worker-0.example.com 1 1 1 1 55m openshift-worker-1.example.com 1 1 1 1 55m
oc scale --replicas=<num> machineset <machineset> -n openshift-machine-api
oc -n openshift-machine-api get bmh openshift-worker-<num>
NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK provisioning openshift-worker-<num>-65tjz ipmi://<out-of-band-ip> unknown true
NAME STATUS PROVISIONING STATUS CONSUMER BMC HARDWARE PROFILE ONLINE ERROR openshift-worker-<num> OK provisioned openshift-worker-<num>-65tjz ipmi://<out-of-band-ip> unknown true
oc get nodes
NAME STATUS ROLES AGE VERSION provisioner.openshift.example.com Ready master 30h v1.16.2 openshift-master-1.openshift.example.com Ready master 30h v1.16.2 openshift-master-2.openshift.example.com Ready master 30h v1.16.2 openshift-master-3.openshift.example.com Ready master 30h v1.16.2 openshift-worker-0.openshift.example.com Ready master 30h v1.16.2 openshift-worker-1.openshift.example.com Ready master 30h v1.16.2 openshift-worker-<num>.openshift.example.com Ready worker 3m27s v1.16.2
ssh openshift-worker-<num>
[kni@openshift-worker-<num>]USD journalctl -fu kubelet
curl -s -o /dev/null -I -w "%{http_code}\n" http://webserver.example.com:8080/rhcos-44.81.202004250133-0-qemu.x86_64.qcow2.gz?sha256=7d884b46ee54fe87bbc3893bf2aa99af3b2d31f2e19ab5529c60636fbd0f1ce7
sudo virsh list
Id Name State -------------------------------------------- 12 openshift-xf6fq-bootstrap running
systemctl status libvirtd
● libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2020-03-03 21:21:07 UTC; 3 weeks 5 days ago Docs: man:libvirtd(8) https://libvirt.org Main PID: 9850 (libvirtd) Tasks: 20 (limit: 32768) Memory: 74.8M CGroup: /system.slice/libvirtd.service ├─ 9850 /usr/sbin/libvirtd
sudo virsh console example.com
Connected to domain example.com Escape character is ^] Red Hat Enterprise Linux CoreOS 43.81.202001142154.0 (Ootpa) 4.3 SSH host key: SHA256:BRWJktXZgQQRY5zjuAV0IKZ4WM7i4TiUyMVanqu9Pqg (ED25519) SSH host key: SHA256:7+iKGA7VtG5szmk2jB5gl/5EZ+SNcJ3a2g23o0lnIio (ECDSA) SSH host key: SHA256:DH5VWhvhvagOTaLsYiVNse9ca+ZSW/30OOMed8rIGOc (RSA) ens3: fd35:919d:4042:2:c7ed:9a9f:a9ec:7 ens4: 172.22.0.2 fe80::1d05:e52e:be5d:263f localhost login:
ssh core@172.22.0.2
ssh core@172.22.0.2
[core@localhost ~]USD sudo podman logs -f <container-name>
ipmitool -I lanplus -U root -P <password> -H <out-of-band-ip> power off
bootstrapOSImage: http://<ip:port>/rhcos-43.81.202001142154.0-qemu.x86_64.qcow2.gz?sha256=9d999f55ff1d44f7ed7c106508e5deecd04dc3c06095d34d36bf1cd127837e0c clusterOSImage: http://<ip:port>/rhcos-43.81.202001142154.0-openstack.x86_64.qcow2.gz?sha256=a1bda656fa0892f7b936fdc6b6a6086bddaed5dafacedcd7a1e811abb78fe3b0
ssh core@172.22.0.2
[core@localhost ~]USD sudo podman logs -f ipa-downloader
[core@localhost ~]USD sudo podman logs -f coreos-downloader
[core@localhost ~]USD journalctl -xe
[core@localhost ~]USD journalctl -b -f -u bootkube.service
[core@localhost ~]USD sudo podman ps
[core@localhost ~]USD sudo podman logs <ironic-api>
bootMACAddress: 24:6E:96:1B:96:90 # MAC of bootable provisioning NIC hardwareProfile: default #control plane node settings
bootMACAddress: 24:6E:96:1B:96:90 # MAC of bootable provisioning NIC hardwareProfile: unknown #worker node settings
hostname
hostnamectl set-hostname <hostname>
dig api.<cluster-name>.example.com
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el8 <<>> api.<cluster-name>.example.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37551 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 866929d2f8e8563582af23f05ec44203d313e50948d43f60 (good) ;; QUESTION SECTION: ;api.<cluster-name>.example.com. IN A ;; ANSWER SECTION: api.<cluster-name>.example.com. 10800 IN A 10.19.13.86 ;; AUTHORITY SECTION: <cluster-name>.example.com. 10800 IN NS <cluster-name>.example.com. ;; ADDITIONAL SECTION: <cluster-name>.example.com. 10800 IN A 10.19.14.247 ;; Query time: 0 msec ;; SERVER: 10.19.14.247#53(10.19.14.247) ;; WHEN: Tue May 19 20:30:59 UTC 2020 ;; MSG SIZE rcvd: 140
ipmitool -I lanplus -U <user> -P <password> -H <management-server-ip> power off
for i in USD(sudo virsh list | tail -n +3 | grep bootstrap | awk {'print USD2'}); do sudo virsh destroy USDi; sudo virsh undefine USDi; sudo virsh vol-delete USDi --pool USDi; sudo virsh vol-delete USDi.ign --pool USDi; sudo virsh pool-destroy USDi; sudo virsh pool-undefine USDi; done
rm -rf ~/clusterconfigs/auth ~/clusterconfigs/terraform* ~/clusterconfigs/tls ~/clusterconfigs/metadata.json
/usr/local/bin/oc adm release mirror -a pull-secret-update.json --from=USDUPSTREAM_REPO --to-release-image=USDLOCAL_REG/USDLOCAL_REPO:USD{VERSION} --to=USDLOCAL_REG/USDLOCAL_REPO
UPSTREAM_REPO=USD{RELEASE_IMAGE} LOCAL_REG=<registry_FQDN>:<registry_port> LOCAL_REPO='ocp4/openshift4'
curl -k -u <user>:<password> https://registry.example.com:<registry-port>/v2/_catalog {"repositories":["<Repo-Name>"]}
`runtime network not ready: NetworkReady=false reason:NetworkPluginNotReady message:Network plugin returns error: Missing CNI default network`
oc get all -n openshift-network-operator
NAME READY STATUS RESTARTS AGE pod/network-operator-69dfd7b577-bg89v 0/1 ContainerCreating 0 149m
kubectl get network.config.openshift.io cluster -oyaml
apiVersion: config.openshift.io/v1 kind: Network metadata: name: cluster spec: serviceNetwork: - 172.30.0.0/16 clusterNetwork: - cidr: 10.128.0.0/14 hostPrefix: 23 networkType: OpenShiftSDN
openshift-install create manifests
kubectl -n openshift-network-operator get pods
kubectl -n openshift-network-operator logs -l "name=network-operator"
This is a dnsmasq dhcp reservation, 'id:00:03:00:01' is the client id and '18:db:f2:8c:d5:9f' is the MAC Address for the NIC id:00:03:00:01:18:db:f2:8c:d5:9f,openshift-master-1,[2620:52:0:1302::6]
Failed Units: 2 NetworkManager-wait-online.service nodeip-configuration.service
[core@master-X ~]USD hostname
[core@master-X ~]USD sudo nmcli con up "<bare-metal-nic>"
[core@master-X ~]USD hostname
[core@master-X ~]USD sudo systemctl restart NetworkManager
[core@master-X ~]USD sudo systemctl restart nodeip-configuration.service
[core@master-X ~]USD sudo systemctl daemon-reload
[core@master-X ~]USD sudo systemctl restart kubelet.service
[core@master-X ~]USD sudo journalctl -fu kubelet.service
oc get csr
oc get csr <pending_csr> -o jsonpath='{.spec.request}' | base64 --decode | openssl req -noout -text
oc delete csr <wrong_csr>
oc get route oauth-openshift
oc get svc oauth-openshift
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE oauth-openshift ClusterIP 172.30.19.162 <none> 443/TCP 59m
[core@master0 ~]USD curl -k https://172.30.19.162
{ "kind": "Status", "apiVersion": "v1", "metadata": { }, "status": "Failure", "message": "forbidden: User \"system:anonymous\" cannot get path \"/\"", "reason": "Forbidden", "details": { }, "code": 403
oc logs deployment/authentication-operator -n openshift-authentication-operator
Event(v1.ObjectReference{Kind:"Deployment", Namespace:"openshift-authentication-operator", Name:"authentication-operator", UID:"225c5bd5-b368-439b-9155-5fd3c0459d98", APIVersion:"apps/v1", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'OperatorStatusChanged' Status for clusteroperator/authentication changed: Degraded message changed from "IngressStateEndpointsDegraded: All 2 endpoints for oauth-server are reporting"
Failed Units: 1 machine-config-daemon-firstboot.service
[core@worker-X ~]USD sudo systemctl restart machine-config-daemon-firstboot.service
oc get nodes
NAME STATUS ROLES AGE VERSION master-0.cloud.example.com Ready master 145m v1.16.2 master-1.cloud.example.com Ready master 135m v1.16.2 master-2.cloud.example.com Ready master 145m v1.16.2 worker-2.cloud.example.com Ready worker 100m v1.16.2
oc get bmh -n openshift-machine-api
master-1 error registering master-1 ipmi://<out-of-band-ip>
sudo timedatectl
Local time: Tue 2020-03-10 18:20:02 UTC Universal time: Tue 2020-03-10 18:20:02 UTC RTC time: Tue 2020-03-10 18:36:53 Time zone: UTC (UTC, +0000) System clock synchronized: no NTP service: active RTC in local TZ: no
cat << EOF | base 64 server <NTP-server> iburst 1 stratumweight 0 driftfile /var/lib/chrony/drift rtcsync makestep 10 3 bindcmdaddress 127.0.0.1 bindcmdaddress ::1 keyfile /etc/chrony.keys commandkey 1 generatecommandkey noclientlog logchange 0.5 logdir /var/log/chrony EOF
[text-in-base-64]
cat << EOF > ./99_masters-chrony-configuration.yaml apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: creationTimestamp: null labels: machineconfiguration.openshift.io/role: master name: 99-master-etc-chrony-conf spec: config: ignition: config: {} security: tls: {} timeouts: {} version: 3.1.0 networkd: {} passwd: {} storage: files: - contents: source: data:text/plain;charset=utf-8;base64,[text-in-base-64] 1 group: name: root mode: 420 overwrite: true path: /etc/chrony.conf user: name: root osImageURL: ""
cp 99_masters-chrony-configuration.yaml 99_masters-chrony-configuration.yaml.backup
oc apply -f ./masters-chrony-configuration.yaml
sudo timedatectl
Local time: Tue 2020-03-10 19:10:02 UTC Universal time: Tue 2020-03-10 19:10:02 UTC RTC time: Tue 2020-03-10 19:36:53 Time zone: UTC (UTC, +0000) System clock synchronized: yes NTP service: active RTC in local TZ: no
cp chrony-masters.yaml ~/clusterconfigs/openshift/99_masters-chrony-configuration.yaml
oc get nodes
NAME STATUS ROLES AGE VERSION master-0.example.com Ready master,worker 4h v1.16.2 master-1.example.com Ready master,worker 4h v1.16.2 master-2.example.com Ready master,worker 4h v1.16.2
oc get pods --all-namespaces | grep -iv running | grep -iv complete