Repository: kubermatic/machine-controller
Pull request #1476 (2022-11-04 09:27:06)

restart containerd for flatcar so the drop in conf will be considered
Signed-off-by: Luca Kuendig <luca.kuendig@bedag.ch>

**What this PR does / why we need it**:
I noticed, that during the first boot of a Flatcar node custom configurations, like containerd custom registry endpoint and auth, will not be used. I think it is because compared to other operatingsystems Flatcar allready has containerd installed and starts it directly after boot, so systemctl enable --now does nothing. By restarting the containerd service instead of systemctl enable (should be enabled by default) The config will be picked up on the first boot.

**Which issue(s) this PR fixes**:
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Fixes #

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/kind bug

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kubermatic-bot: [APPROVALNOTIFIER] This PR is **NOT APPROVED**

This pull-request has been approved by: *<a href="https://github.com/kubermatic/machine-controller/pull/1476#" title="Author self-approved">lucakuendig</a>*
**Once this PR has been reviewed and has the lgtm label**, please assign xmudrii for approval by writing `/assign @xmudrii` in a comment. For more information see:[The Kubernetes Code Review Process](https://git.k8s.io/community/contributors/guide/owners.md#the-code-review-process).

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=kubermatic%2Fmachine-controller).

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kubermatic-bot: Hi @lucakuendig. Thanks for your PR.

I'm waiting for a [kubermatic](https://github.com/orgs/kubermatic/people) member to verify that this patch is reasonable to test. If it is, they should reply with `/ok-to-test` on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should [join the org](https://github.com/orgs/kubermatic/people) to skip this step.

Once the patch is verified, the new status will be reflected by the `ok-to-test` label.

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ahmedwaleedmalik: /ok-to-test
kubermatic-bot: @lucakuendig: The following test **failed**, say `/retest` to rerun all failed tests or `/retest-required` to rerun all mandatory failed tests:

Test name | Commit | Details | Required | Rerun command
--- | --- | --- | --- | ---
pull-machine-controller-test | b2c8b6ffdf6030fed725887bf3e9e41bcf93f4c1 | [link](https://public-prow.loodse.com/view/gs/prow-dev-public-data/pr-logs/pull/kubermatic_machine-controller/1476/pull-machine-controller-test/1588466737739730944) | true | `/test pull-machine-controller-test`

[Full PR test history](https://public-prow.loodse.com/pr-history?org=kubermatic&repo=machine-controller&pr=1476)

<details>

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md).  If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).
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<!-- test report -->
ahmedwaleedmalik: @lucakuendig the fixture data needs to be updated. Please run the script `hack/update-fixtures.sh`.
kubermatic-bot: @lucakuendig: The following tests **failed**, say `/retest` to rerun all failed tests or `/retest-required` to rerun all mandatory failed tests:

Test name | Commit | Details | Required | Rerun command
--- | --- | --- | --- | ---
pull-machine-controller-test | b2c8b6ffdf6030fed725887bf3e9e41bcf93f4c1 | [link](https://public-prow.loodse.com/view/gs/prow-dev-public-data/pr-logs/pull/kubermatic_machine-controller/1476/pull-machine-controller-test/1588466737739730944) | true | `/test pull-machine-controller-test`
pull-machine-controller-e2e-openstack-project-auth | b2c8b6ffdf6030fed725887bf3e9e41bcf93f4c1 | [link](https://public-prow.loodse.com/view/gs/prow-dev-public-data/pr-logs/pull/kubermatic_machine-controller/1476/pull-machine-controller-e2e-openstack-project-auth/1588466740998705152) | true | `/test pull-machine-controller-e2e-openstack-project-auth`

[Full PR test history](https://public-prow.loodse.com/pr-history?org=kubermatic&repo=machine-controller&pr=1476)

<details>

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kubermatic-bot: [APPROVALNOTIFIER] This PR is **NOT APPROVED**

This pull-request has been approved by: *<a href="https://github.com/kubermatic/machine-controller/pull/1476#" title="Author self-approved">lucakuendig</a>*
**Once this PR has been reviewed and has the lgtm label**, please ask for approval from ahmedwaleedmalik by writing `/assign @ahmedwaleedmalik` in a comment. For more information see:[The Kubernetes Code Review Process](https://git.k8s.io/community/contributors/guide/owners.md#the-code-review-process).

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=kubermatic%2Fmachine-controller).

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Needs approval from an approver in each of these files:

- **[OWNERS](https://github.com/kubermatic/machine-controller/blob/main/OWNERS)**
- **[pkg/userdata/OWNERS](https://github.com/kubermatic/machine-controller/blob/main/pkg/userdata/OWNERS)**

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kubermatic-bot: LGTM label has been added.  <details>Git tree hash: 193b0613e7f268d779a4b2e578aecdcbca6b747a</details>
kubermatic-bot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/kubermatic/machine-controller/pull/1476#pullrequestreview-1170015987" title="Approved">ahmedwaleedmalik</a>*, *<a href="https://github.com/kubermatic/machine-controller/pull/1476#" title="Author self-approved">lucakuendig</a>*

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=kubermatic%2Fmachine-controller).

The pull request process is described [here](https://git.k8s.io/community/contributors/guide/owners.md#the-code-review-process)

<details >
Needs approval from an approver in each of these files:

- ~~[OWNERS](https://github.com/kubermatic/machine-controller/blob/main/OWNERS)~~ [ahmedwaleedmalik]
- ~~[pkg/userdata/OWNERS](https://github.com/kubermatic/machine-controller/blob/main/pkg/userdata/OWNERS)~~ [ahmedwaleedmalik]

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Patch:
diff --git a/pkg/containerruntime/containerd.go b/pkg/containerruntime/containerd.go
index 248ff0bb..6337e04a 100644
--- a/pkg/containerruntime/containerd.go
+++ b/pkg/containerruntime/containerd.go
@@ -106,7 +106,7 @@ ExecStart=/usr/bin/env PATH=\${TORCX_BINDIR}:\${PATH} \${TORCX_BINDIR}/container
 EOF
 
 systemctl daemon-reload
-systemctl enable --now containerd
+systemctl restart containerd
 `))
 
 	containerdAmzn2Template = template.Must(template.New("containerd-yum-amzn2").Parse(`


Test patch:
diff --git a/pkg/userdata/flatcar/testdata/cloud-init_v1.24.0.yaml b/pkg/userdata/flatcar/testdata/cloud-init_v1.24.0.yaml
index e075a048..acab7c41 100644
--- a/pkg/userdata/flatcar/testdata/cloud-init_v1.24.0.yaml
+++ b/pkg/userdata/flatcar/testdata/cloud-init_v1.24.0.yaml
@@ -462,7 +462,7 @@ write_files:
     EOF
 
     systemctl daemon-reload
-    systemctl enable --now containerd
+    systemctl restart containerd
 
     systemctl disable download-script.service
 
diff --git a/pkg/userdata/flatcar/testdata/cloud-init_v1.25.0.yaml b/pkg/userdata/flatcar/testdata/cloud-init_v1.25.0.yaml
index 1a313495..a7b1db9b 100644
--- a/pkg/userdata/flatcar/testdata/cloud-init_v1.25.0.yaml
+++ b/pkg/userdata/flatcar/testdata/cloud-init_v1.25.0.yaml
@@ -462,7 +462,7 @@ write_files:
     EOF
 
     systemctl daemon-reload
-    systemctl enable --now containerd
+    systemctl restart containerd
 
     systemctl disable download-script.service
 
diff --git a/pkg/userdata/flatcar/testdata/containerd.yaml b/pkg/userdata/flatcar/testdata/containerd.yaml
index 6c9e0cfe..1880058a 100644
--- a/pkg/userdata/flatcar/testdata/containerd.yaml
+++ b/pkg/userdata/flatcar/testdata/containerd.yaml
@@ -445,7 +445,7 @@ write_files:
     EOF
 
     systemctl daemon-reload
-    systemctl enable --now containerd
+    systemctl restart containerd
 
     systemctl disable download-script.service
 
diff --git a/pkg/userdata/flatcar/testdata/ignition_v1.24.0.json b/pkg/userdata/flatcar/testdata/ignition_v1.24.0.json
index 9cfe46ec..d44e3c5b 100644
--- a/pkg/userdata/flatcar/testdata/ignition_v1.24.0.json
+++ b/pkg/userdata/flatcar/testdata/ignition_v1.24.0.json
@@ -1,1 +1,1 @@
-{"ignition":{"config":{},"security":{"tls":{}},"timeouts":{},"version":"2.2.0"},"networkd":{"units":[{"contents":"[Match]\n# Because of difficulty predicting specific NIC names on different cloud providers,\n# we only support static addressing on VSphere. There should be a single NIC attached\n# that we will match by name prefix 'en' which denotes ethernet devices.\nName=en*\n\n[Network]\nDHCP=no\nAddress=192.168.81.4/24\nGateway=192.168.81.1\nDNS=8.8.8.8\n","name":"static-nic.network"}]},"passwd":{"users":[{"name":"core","sshAuthorizedKeys":["ssh-rsa AAABBB","ssh-rsa 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\ No newline at end of file
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responsible for configuring the flatcar machine\n\n[Service]\nType=oneshot\nRemainAfterExit=true\nEnvironmentFile=-/etc/environment\nExecStart=/opt/bin/setup.sh\n","enabled":true,"name":"setup.service"},{"contents":"[Unit]\nRequires=network-online.target\nRequires=setup.service\nAfter=network-online.target\nAfter=setup.service\n[Service]\nType=oneshot\nEnvironmentFile=-/etc/environment\nExecStart=/opt/bin/download.sh\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"download-script.service"},{"contents":"[Unit]\nRequires=kubelet.service\nAfter=kubelet.service\n\n[Service]\nExecStart=/opt/bin/health-monitor.sh kubelet\n\n[Install]\nWantedBy=multi-user.target\n","dropins":[{"contents":"[Unit]\nRequires=download-script.service\nAfter=download-script.service\n","name":"40-download.conf"}],"enabled":true,"name":"kubelet-healthcheck.service"},{"contents":"[Unit]\nDescription=Setup Kubelet Node IP Env\nRequires=network-online.target\nAfter=network-online.target\n\n[Service]\nExecStart=/opt/bin/setup_net_env.sh\nRemainAfterExit=yes\nType=oneshot\n[Install]\nWantedBy=multi-user.target\n","enabled":true,"name":"nodeip.service"},{"contents":"[Unit]\nAfter=containerd.service\nRequires=containerd.service\n\nDescription=kubelet: The Kubernetes Node Agent\nDocumentation=https://kubernetes.io/docs/home/\n\n[Service]\nUser=root\nRestart=always\nStartLimitInterval=0\nRestartSec=10\nCPUAccounting=true\nMemoryAccounting=true\n\nEnvironment=\"PATH=/opt/bin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin/\"\nEnvironmentFile=-/etc/environment\n\nExecStartPre=/bin/bash /opt/load-kernel-modules.sh\n\nExecStartPre=/bin/bash /opt/bin/setup_net_env.sh\nExecStart=/opt/bin/kubelet $KUBELET_EXTRA_ARGS \\\n  --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf \\\n  --kubeconfig=/var/lib/kubelet/kubeconfig \\\n  --config=/etc/kubernetes/kubelet.conf \\\n  --cert-dir=/etc/kubernetes/pki \\\n  --cloud-provider=vsphere \\\n  --cloud-config=/etc/kubernetes/cloud-config \\\n  --hostname-override=node1 \\\n  --exit-on-lock-contention \\\n  --lock-file=/tmp/kubelet.lock \\\n  --container-runtime=remote \\\n  --container-runtime-endpoint=unix:///run/containerd/containerd.sock \\\n  --node-ip ${KUBELET_NODE_IP}\n\n[Install]\nWantedBy=multi-user.target\n","dropins":[{"contents":"[Service]\nEnvironmentFile=/etc/kubernetes/nodeip.conf\n","name":"10-nodeip.conf"},{"contents":"[Service]\nEnvironment=\"KUBELET_EXTRA_ARGS=--resolv-conf=/run/systemd/resolve/resolv.conf\"\n","name":"resolv.conf"},{"contents":"[Unit]\nRequires=download-script.service\nAfter=download-script.service\n","name":"40-download.conf"}],"enabled":true,"name":"kubelet.service"}]}}
\ No newline at end of file
diff --git a/pkg/userdata/flatcar/testdata/ignition_v1.25.0.json b/pkg/userdata/flatcar/testdata/ignition_v1.25.0.json
index 9c0695a3..17862039 100644
--- a/pkg/userdata/flatcar/testdata/ignition_v1.25.0.json
+++ b/pkg/userdata/flatcar/testdata/ignition_v1.25.0.json
@@ -1,1 +1,1 @@
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\ No newline at end of file
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\ No newline at end of file