Installing on any platform OpenShift Container Platform 4.18 Installing OpenShift Container Platform on any platform Red Hat OpenShift Documentation Team

Commands:
USDTTL 1W @ IN SOA ns1.example.com. root ( 2019070700 ; serial 3H ; refresh (3 hours) 30M ; retry (30 minutes) 2W ; expiry (2 weeks) 1W ) ; minimum (1 week) IN NS ns1.example.com. IN MX 10 smtp.example.com. ; ; ns1.example.com. IN A 192.168.1.5 smtp.example.com. IN A 192.168.1.5 ; helper.example.com. IN A 192.168.1.5 helper.ocp4.example.com. IN A 192.168.1.5 ; api.ocp4.example.com. IN A 192.168.1.5 1 api-int.ocp4.example.com. IN A 192.168.1.5 2 ; *.apps.ocp4.example.com. IN A 192.168.1.5 3 ; bootstrap.ocp4.example.com. IN A 192.168.1.96 4 ; control-plane0.ocp4.example.com. IN A 192.168.1.97 5 control-plane1.ocp4.example.com. IN A 192.168.1.98 6 control-plane2.ocp4.example.com. IN A 192.168.1.99 7 ; compute0.ocp4.example.com. IN A 192.168.1.11 8 compute1.ocp4.example.com. IN A 192.168.1.7 9 ; ;EOF
USDTTL 1W @ IN SOA ns1.example.com. root ( 2019070700 ; serial 3H ; refresh (3 hours) 30M ; retry (30 minutes) 2W ; expiry (2 weeks) 1W ) ; minimum (1 week) IN NS ns1.example.com. ; 5.1.168.192.in-addr.arpa. IN PTR api.ocp4.example.com. 1 5.1.168.192.in-addr.arpa. IN PTR api-int.ocp4.example.com. 2 ; 96.1.168.192.in-addr.arpa. IN PTR bootstrap.ocp4.example.com. 3 ; 97.1.168.192.in-addr.arpa. IN PTR control-plane0.ocp4.example.com. 4 98.1.168.192.in-addr.arpa. IN PTR control-plane1.ocp4.example.com. 5 99.1.168.192.in-addr.arpa. IN PTR control-plane2.ocp4.example.com. 6 ; 11.1.168.192.in-addr.arpa. IN PTR compute0.ocp4.example.com. 7 7.1.168.192.in-addr.arpa. IN PTR compute1.ocp4.example.com. 8 ; ;EOF
global log 127.0.0.1 local2 pidfile /var/run/haproxy.pid maxconn 4000 daemon defaults mode http log global option dontlognull option http-server-close option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 listen api-server-6443 1 bind *:6443 mode tcp option httpchk GET /readyz HTTP/1.0 option log-health-checks balance roundrobin server bootstrap bootstrap.ocp4.example.com:6443 verify none check check-ssl inter 10s fall 2 rise 3 backup 2 server master0 master0.ocp4.example.com:6443 weight 1 verify none check check-ssl inter 10s fall 2 rise 3 server master1 master1.ocp4.example.com:6443 weight 1 verify none check check-ssl inter 10s fall 2 rise 3 server master2 master2.ocp4.example.com:6443 weight 1 verify none check check-ssl inter 10s fall 2 rise 3 listen machine-config-server-22623 3 bind *:22623 mode tcp server bootstrap bootstrap.ocp4.example.com:22623 check inter 1s backup 4 server master0 master0.ocp4.example.com:22623 check inter 1s server master1 master1.ocp4.example.com:22623 check inter 1s server master2 master2.ocp4.example.com:22623 check inter 1s listen ingress-router-443 5 bind *:443 mode tcp balance source server compute0 compute0.ocp4.example.com:443 check inter 1s server compute1 compute1.ocp4.example.com:443 check inter 1s listen ingress-router-80 6 bind *:80 mode tcp balance source server compute0 compute0.ocp4.example.com:80 check inter 1s server compute1 compute1.ocp4.example.com:80 check inter 1s
dig +noall +answer @<nameserver_ip> api.<cluster_name>.<base_domain> 1
api.ocp4.example.com. 604800 IN A 192.168.1.5
dig +noall +answer @<nameserver_ip> api-int.<cluster_name>.<base_domain>
api-int.ocp4.example.com. 604800 IN A 192.168.1.5
dig +noall +answer @<nameserver_ip> random.apps.<cluster_name>.<base_domain>
random.apps.ocp4.example.com. 604800 IN A 192.168.1.5
dig +noall +answer @<nameserver_ip> console-openshift-console.apps.<cluster_name>.<base_domain>
console-openshift-console.apps.ocp4.example.com. 604800 IN A 192.168.1.5
dig +noall +answer @<nameserver_ip> bootstrap.<cluster_name>.<base_domain>
bootstrap.ocp4.example.com. 604800 IN A 192.168.1.96
dig +noall +answer @<nameserver_ip> -x 192.168.1.5
5.1.168.192.in-addr.arpa. 604800 IN PTR api-int.ocp4.example.com. 1 5.1.168.192.in-addr.arpa. 604800 IN PTR api.ocp4.example.com. 2
dig +noall +answer @<nameserver_ip> -x 192.168.1.96
96.1.168.192.in-addr.arpa. 604800 IN PTR bootstrap.ocp4.example.com.
ssh-keygen -t ed25519 -N '' -f <path>/<file_name> 1
cat <path>/<file_name>.pub
cat ~/.ssh/id_ed25519.pub
eval "USD(ssh-agent -s)"
Agent pid 31874
ssh-add <path>/<file_name> 1
Identity added: /home/<you>/<path>/<file_name> (<computer_name>)
tar -xvf openshift-install-linux.tar.gz
tar xvf <file>
echo USDPATH
oc <command>
C:\> path
C:\> oc <command>
echo USDPATH
oc <command>
mkdir <installation_directory>
apiVersion: v1 baseDomain: example.com 1 compute: 2 - hyperthreading: Enabled 3 name: worker replicas: 0 4 controlPlane: 5 hyperthreading: Enabled 6 name: master replicas: 3 7 metadata: name: test 8 networking: clusterNetwork: - cidr: 10.128.0.0/14 9 hostPrefix: 23 10 networkType: OVNKubernetes 11 serviceNetwork: 12 - 172.30.0.0/16 platform: none: {} 13 fips: false 14 pullSecret: '{"auths": ...}' 15 sshKey: 'ssh-ed25519 AAAA...' 16
apiVersion: v1 baseDomain: my.domain.com proxy: httpProxy: http://<username>:<pswd>@<ip>:<port> 1 httpsProxy: https://<username>:<pswd>@<ip>:<port> 2 noProxy: example.com 3 additionalTrustBundle: | 4 -----BEGIN CERTIFICATE----- <MY_TRUSTED_CA_CERT> -----END CERTIFICATE----- additionalTrustBundlePolicy: <policy_to_add_additionalTrustBundle> 5
./openshift-install wait-for install-complete --log-level debug
compute: - name: worker platform: {} replicas: 0
./openshift-install create manifests --dir <installation_directory> 1
./openshift-install create ignition-configs --dir <installation_directory> 1
. ├── auth │ ├── kubeadmin-password │ └── kubeconfig ├── bootstrap.ign ├── master.ign ├── metadata.json └── worker.ign
sha512sum <installation_directory>/bootstrap.ign
curl -k http://<HTTP_server>/bootstrap.ign 1
% Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0{"ignition":{"version":"3.2.0"},"passwd":{"users":[{"name":"core","sshAuthorizedKeys":["ssh-rsa
openshift-install coreos print-stream-json | grep '\.iso[^.]'
"location": "<url>/art/storage/releases/rhcos-4.18-aarch64/<release>/aarch64/rhcos-<release>-live.aarch64.iso", "location": "<url>/art/storage/releases/rhcos-4.18-ppc64le/<release>/ppc64le/rhcos-<release>-live.ppc64le.iso", "location": "<url>/art/storage/releases/rhcos-4.18-s390x/<release>/s390x/rhcos-<release>-live.s390x.iso", "location": "<url>/art/storage/releases/rhcos-4.18/<release>/x86_64/rhcos-<release>-live.x86_64.iso",
sudo coreos-installer install --ignition-url=http://<HTTP_server>/<node_type>.ign <device> --ignition-hash=sha512-<digest> 1 2
sudo coreos-installer install --ignition-url=http://192.168.1.2:80/installation_directory/bootstrap.ign /dev/sda --ignition-hash=sha512-a5a2d43879223273c9b60af66b44202a1d1248fc01cf156c46d4a79f552b6bad47bc8cc78ddf0116e80c59d2ea9e32ba53bc807afbca581aa059311def2c3e3b
Ignition: ran on 2022/03/14 14:48:33 UTC (this boot) Ignition: user-provided config was applied
curl -k http://<HTTP_server>/bootstrap.ign 1
% Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0{"ignition":{"version":"3.2.0"},"passwd":{"users":[{"name":"core","sshAuthorizedKeys":["ssh-rsa
openshift-install coreos print-stream-json | grep -Eo '"https.*(kernel-|initramfs.|rootfs.)\w+(\.img)?"'
"<url>/art/storage/releases/rhcos-4.18-aarch64/<release>/aarch64/rhcos-<release>-live-kernel-aarch64" "<url>/art/storage/releases/rhcos-4.18-aarch64/<release>/aarch64/rhcos-<release>-live-initramfs.aarch64.img" "<url>/art/storage/releases/rhcos-4.18-aarch64/<release>/aarch64/rhcos-<release>-live-rootfs.aarch64.img" "<url>/art/storage/releases/rhcos-4.18-ppc64le/49.84.202110081256-0/ppc64le/rhcos-<release>-live-kernel-ppc64le" "<url>/art/storage/releases/rhcos-4.18-ppc64le/<release>/ppc64le/rhcos-<release>-live-initramfs.ppc64le.img" "<url>/art/storage/releases/rhcos-4.18-ppc64le/<release>/ppc64le/rhcos-<release>-live-rootfs.ppc64le.img" "<url>/art/storage/releases/rhcos-4.18-s390x/<release>/s390x/rhcos-<release>-live-kernel-s390x" "<url>/art/storage/releases/rhcos-4.18-s390x/<release>/s390x/rhcos-<release>-live-initramfs.s390x.img" "<url>/art/storage/releases/rhcos-4.18-s390x/<release>/s390x/rhcos-<release>-live-rootfs.s390x.img" "<url>/art/storage/releases/rhcos-4.18/<release>/x86_64/rhcos-<release>-live-kernel-x86_64" "<url>/art/storage/releases/rhcos-4.18/<release>/x86_64/rhcos-<release>-live-initramfs.x86_64.img" "<url>/art/storage/releases/rhcos-4.18/<release>/x86_64/rhcos-<release>-live-rootfs.x86_64.img"
DEFAULT pxeboot TIMEOUT 20 PROMPT 0 LABEL pxeboot KERNEL http://<HTTP_server>/rhcos-<version>-live-kernel-<architecture> 1 APPEND initrd=http://<HTTP_server>/rhcos-<version>-live-initramfs.<architecture>.img coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-live-rootfs.<architecture>.img coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/bootstrap.ign 2 3
kernel http://<HTTP_server>/rhcos-<version>-live-kernel-<architecture> initrd=main coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-live-rootfs.<architecture>.img coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/bootstrap.ign 1 2 initrd --name main http://<HTTP_server>/rhcos-<version>-live-initramfs.<architecture>.img 3 boot
menuentry 'Install CoreOS' { linux rhcos-<version>-live-kernel-<architecture> coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-live-rootfs.<architecture>.img coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/bootstrap.ign 1 2 initrd rhcos-<version>-live-initramfs.<architecture>.img 3 }
Ignition: ran on 2022/03/14 14:48:33 UTC (this boot) Ignition: user-provided config was applied
sudo coreos-installer install --copy-network --ignition-url=http://host/worker.ign /dev/disk/by-id/scsi-<serial_number>
openshift-install create manifests --dir <installation_directory>
variant: openshift version: 4.18.0 metadata: labels: machineconfiguration.openshift.io/role: worker name: 98-var-partition storage: disks: - device: /dev/disk/by-id/<device_name> 1 partitions: - label: var start_mib: <partition_start_offset> 2 size_mib: <partition_size> 3 number: 5 filesystems: - device: /dev/disk/by-partlabel/var path: /var format: xfs mount_options: [defaults, prjquota] 4 with_mount_unit: true
butane USDHOME/clusterconfig/98-var-partition.bu -o USDHOME/clusterconfig/openshift/98-var-partition.yaml
openshift-install create ignition-configs --dir <installation_directory> 1
. ├── auth │ ├── kubeadmin-password │ └── kubeconfig ├── bootstrap.ign ├── master.ign ├── metadata.json └── worker.ign
coreos-installer install --ignition-url http://10.0.2.2:8080/user.ign --save-partlabel 'data*' /dev/disk/by-id/scsi-<serial_number>
coreos-installer install --ignition-url http://10.0.2.2:8080/user.ign --save-partindex 6 /dev/disk/by-id/scsi-<serial_number>
coreos-installer install --ignition-url http://10.0.2.2:8080/user.ign --save-partindex 5- /dev/disk/by-id/scsi-<serial_number>
coreos.inst.save_partlabel=data*
coreos.inst.save_partindex=5-
coreos.inst.save_partindex=6
ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:enp1s0:none nameserver=4.4.4.41
ip=10.10.10.2::10.10.10.254:255.255.255.0::enp1s0:none nameserver=4.4.4.41
ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:enp1s0:none ip=10.10.10.3::10.10.10.254:255.255.255.0:core0.example.com:enp2s0:none
ip=::10.10.10.254::::
rd.route=20.20.20.0/24:20.20.20.254:enp2s0
ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:enp1s0:none ip=::::core0.example.com:enp2s0:none
ip=enp1s0:dhcp ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:enp2s0:none
ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:enp2s0.100:none vlan=enp2s0.100:enp2s0
ip=enp2s0.100:dhcp vlan=enp2s0.100:enp2s0
nameserver=1.1.1.1 nameserver=8.8.8.8
bond=bond0:em1,em2:mode=active-backup ip=bond0:dhcp
bond=bond0:em1,em2:mode=active-backup ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:bond0:none
bond=bond0:eno1f0,eno2f0:mode=active-backup ip=bond0:dhcp
bond=bond0:eno1f0,eno2f0:mode=active-backup ip=10.10.10.2::10.10.10.254:255.255.255.0:core0.example.com:bond0:none
team=team0:em1,em2 ip=team0:dhcp
./openshift-install --dir <installation_directory> wait-for bootstrap-complete \ 1 --log-level=info 2
INFO Waiting up to 30m0s for the Kubernetes API at https://api.test.example.com:6443 INFO API v1.31.3 up INFO Waiting up to 30m0s for bootstrapping to complete INFO It is now safe to remove the bootstrap resources
export KUBECONFIG=<installation_directory>/auth/kubeconfig 1
oc whoami
system:admin
oc get nodes
NAME STATUS ROLES AGE VERSION master-0 Ready master 63m v1.31.3 master-1 Ready master 63m v1.31.3 master-2 Ready master 64m v1.31.3
oc get csr
NAME AGE REQUESTOR CONDITION csr-8b2br 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending csr-8vnps 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending
oc adm certificate approve <csr_name> 1
oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs --no-run-if-empty oc adm certificate approve
oc get csr
NAME AGE REQUESTOR CONDITION csr-bfd72 5m26s system:node:ip-10-0-50-126.us-east-2.compute.internal Pending csr-c57lv 5m26s system:node:ip-10-0-95-157.us-east-2.compute.internal Pending
oc adm certificate approve <csr_name> 1
oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs oc adm certificate approve
oc get nodes
NAME STATUS ROLES AGE VERSION master-0 Ready master 73m v1.31.3 master-1 Ready master 73m v1.31.3 master-2 Ready master 74m v1.31.3 worker-0 Ready worker 11m v1.31.3 worker-1 Ready worker 11m v1.31.3
watch -n5 oc get clusteroperators
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE authentication 4.18.0 True False False 19m baremetal 4.18.0 True False False 37m cloud-credential 4.18.0 True False False 40m cluster-autoscaler 4.18.0 True False False 37m config-operator 4.18.0 True False False 38m console 4.18.0 True False False 26m csi-snapshot-controller 4.18.0 True False False 37m dns 4.18.0 True False False 37m etcd 4.18.0 True False False 36m image-registry 4.18.0 True False False 31m ingress 4.18.0 True False False 30m insights 4.18.0 True False False 31m kube-apiserver 4.18.0 True False False 26m kube-controller-manager 4.18.0 True False False 36m kube-scheduler 4.18.0 True False False 36m kube-storage-version-migrator 4.18.0 True False False 37m machine-api 4.18.0 True False False 29m machine-approver 4.18.0 True False False 37m machine-config 4.18.0 True False False 36m marketplace 4.18.0 True False False 37m monitoring 4.18.0 True False False 29m network 4.18.0 True False False 38m node-tuning 4.18.0 True False False 37m openshift-apiserver 4.18.0 True False False 32m openshift-controller-manager 4.18.0 True False False 30m openshift-samples 4.18.0 True False False 32m operator-lifecycle-manager 4.18.0 True False False 37m operator-lifecycle-manager-catalog 4.18.0 True False False 37m operator-lifecycle-manager-packageserver 4.18.0 True False False 32m service-ca 4.18.0 True False False 38m storage 4.18.0 True False False 37m
oc patch OperatorHub cluster --type json -p '[{"op": "add", "path": "/spec/disableAllDefaultSources", "value": true}]'
oc get pod -n openshift-image-registry -l docker-registry=default
No resources found in openshift-image-registry namespace
oc edit configs.imageregistry.operator.openshift.io
storage: pvc: claim:
oc get clusteroperator image-registry
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE MESSAGE image-registry 4.18 True False False 6h50m
oc edit configs.imageregistry/cluster
managementState: Removed
managementState: Managed
oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}'
Error from server (NotFound): configs.imageregistry.operator.openshift.io "cluster" not found
oc patch config.imageregistry.operator.openshift.io/cluster --type=merge -p '{"spec":{"rolloutStrategy":"Recreate","replicas":1}}'
kind: PersistentVolumeClaim apiVersion: v1 metadata: name: image-registry-storage 1 namespace: openshift-image-registry 2 spec: accessModes: - ReadWriteOnce 3 resources: requests: storage: 100Gi 4
oc create -f pvc.yaml -n openshift-image-registry
oc edit config.imageregistry.operator.openshift.io -o yaml
storage: pvc: claim: 1
watch -n5 oc get clusteroperators
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE authentication 4.18.0 True False False 19m baremetal 4.18.0 True False False 37m cloud-credential 4.18.0 True False False 40m cluster-autoscaler 4.18.0 True False False 37m config-operator 4.18.0 True False False 38m console 4.18.0 True False False 26m csi-snapshot-controller 4.18.0 True False False 37m dns 4.18.0 True False False 37m etcd 4.18.0 True False False 36m image-registry 4.18.0 True False False 31m ingress 4.18.0 True False False 30m insights 4.18.0 True False False 31m kube-apiserver 4.18.0 True False False 26m kube-controller-manager 4.18.0 True False False 36m kube-scheduler 4.18.0 True False False 36m kube-storage-version-migrator 4.18.0 True False False 37m machine-api 4.18.0 True False False 29m machine-approver 4.18.0 True False False 37m machine-config 4.18.0 True False False 36m marketplace 4.18.0 True False False 37m monitoring 4.18.0 True False False 29m network 4.18.0 True False False 38m node-tuning 4.18.0 True False False 37m openshift-apiserver 4.18.0 True False False 32m openshift-controller-manager 4.18.0 True False False 30m openshift-samples 4.18.0 True False False 32m operator-lifecycle-manager 4.18.0 True False False 37m operator-lifecycle-manager-catalog 4.18.0 True False False 37m operator-lifecycle-manager-packageserver 4.18.0 True False False 32m service-ca 4.18.0 True False False 38m storage 4.18.0 True False False 37m
./openshift-install --dir <installation_directory> wait-for install-complete 1
INFO Waiting up to 30m0s for the cluster to initialize
oc get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE openshift-apiserver-operator openshift-apiserver-operator-85cb746d55-zqhs8 1/1 Running 1 9m openshift-apiserver apiserver-67b9g 1/1 Running 0 3m openshift-apiserver apiserver-ljcmx 1/1 Running 0 1m openshift-apiserver apiserver-z25h4 1/1 Running 0 2m openshift-authentication-operator authentication-operator-69d5d8bf84-vh2n8 1/1 Running 0 5m
oc logs <pod_name> -n <namespace> 1