To support new changes for Windows HostProcess Pod for K8S v1.28 and containerd 1.7 #5528

NamanAg30 · 2023-09-26T12:03:09Z

The patch is required to handle following cases:-
1.To handle WindowsHostProcessContainer for k8s 1.28 and and make required adjustment in antrea-windows-containerd.yaml for containerd 1.7.
2.To change commands to clean containerd environment on jumper node from ci/jenkins.sh (since on new tested we only have docker runtime)

build/yamls/antrea-windows-containerd.yml

wenyingd

LGTM

hack/windows/Prepare-Node.ps1

XinShuYang · 2023-09-28T14:50:47Z

/test-windows-all

hack/windows/Prepare-Node.ps1

antoninbas

LGTM

build/yamls/windows/containerd/conf/Install-WindowsCNI-Containerd.ps1

XinShuYang · 2023-10-08T08:07:20Z

/test-windows-all

XinShuYang · 2023-10-09T01:36:15Z

LGTM, did all CI tests pass on the 1.28 testbed? @NamanAg30

ci/jenkins/test.sh

build/yamls/windows/containerd/conf/Install-WindowsCNI-Containerd.ps1

test/e2e/framework.go

wenyingd

LGTM.

We can optimize the usage of antctl from Node ssh to Pod operations in a separate change.

tnqn · 2023-10-26T03:03:21Z

build/yamls/antrea-windows-containerd-with-ovs.yml

-    cp $mountPath/var/run/secrets/kubernetes.io/serviceaccount/ca.crt C:/var/run/secrets/kubernetes.io/serviceaccount
-    cp $mountPath/var/run/secrets/kubernetes.io/serviceaccount/token C:/var/run/secrets/kubernetes.io/serviceaccount
+
+        # From containerd version 1.7 onwards, the servcieaccount directory, the ca.cert and token files will automatically be created.


why the new code use a different indent?

Updated, thanks.

test/e2e/framework.go

tnqn · 2023-10-26T03:33:30Z

build/yamls/antrea-windows-containerd-with-ovs.yml

+
+        # From containerd version 1.7 onwards, the servcieaccount directory, the ca.cert and token files will automatically be created.
+        $serviceAccountPath = "C:\var\run\secrets\kubernetes.io\serviceaccount"
+        if (-Not $(Test-Path $serviceAccountPath)) {


I understand this is better, but will the original code fail if the path exists?

Does the PR fix anything or just improve code? This is important to understand what's the compatibility of previous Antrea releases.

Yes, it will fail in containerd 1.7. If the path exists, related files can not be modified.

Then how does it fix it if the PR just skips creating the path when it exists. The related files still cannot be modified, right?

So basically there are three cases:

If paths exist and files are unchanged, the agent skips copying files.

If paths don't exist, the agent copies files to the destination.

If paths exist and files have been modified, there is no way to modify the file, and the pod is expected to crash. The user should clean up the related paths by themselves.

Previously, the agent always copied related files, regardless of their existence, which could lead to agent crashes due to authorization issues. This PR fixes the case 1.

After discussing with Wenying, now I know that these 3 cases only can happen with containerd 1.6. For contianerd 1.7 since the destination and source path is the same path so we can just skip coping files, the code change in this PR is only to make it compatible for containerd1.6. @tnqn

According to this link (https://kubernetes.io/docs/tasks/configure-pod-container/create-hostprocess-pod/), with containerd versions <=1.6, the ca file and token of the service account only exists inside containers, but antrea-agent needs files under path "c:\var\run\secrets\kubernetes.io\serviceaccount" to create kubeClient, so we should copy the files to the target path. However, since containerd 1.7, containerd would automatically place the files under path "c:\var\run\secrets\kubernetes.io\serviceaccount" ( it is supposed to be 3 links to the same file), so we don't perform "copy" actions.

So the change here is to be consistent of the previous versions.

test/e2e/framework.go

XinShuYang · 2023-10-26T08:32:20Z

/test-windows-containerd-conformance

tnqn

Code LGTM, but the commit title and body aren't following the convention. I will edit it when merging it, please format it correctly for future PRs.

XinShuYang · 2023-10-26T09:31:10Z

/test-windows-containerd-e2e

wenyingd

LGTM

XinShuYang · 2023-10-26T12:35:20Z

/test-windows-containerd-e2e

…ins.sh w.r.t new k8s and containerd version Upgrade StartKubelet script and ci test script for k8s 1.28 version and antrea-windows-containerd.yaml for containerd 1.7 version. Signed-off-by: Naman Agarwal <naman.agarwal75@gmail.com> Signed-off-by: Shuyang Xin <gavinx@vmware.com>

XinShuYang · 2023-10-26T13:48:38Z

This change is only for checksum update and code rebase.

XinShuYang · 2023-10-26T13:48:50Z

/test-windows-containerd-e2e
/test-windows-containerd-conformance

XinShuYang · 2023-10-26T15:19:45Z

/test-windows-containerd-e2e

tnqn · 2023-10-27T03:12:33Z

/skip-all

tnqn · 2023-10-27T03:14:40Z

/skip-all

NamanAg30 requested a review from rajnkamr September 26, 2023 12:03

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tnqn merged commit 5b74593 into antrea-io:main Oct 27, 2023

This was referenced Oct 31, 2023

Automated cherry pick of #5528: Update prepare-node script, antrea-windows-containerd.yml and #5643

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Automated cherry pick of #5528: Update prepare-node script, antrea-windows-containerd.yml and #5646

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To support new changes for Windows HostProcess Pod for K8S v1.28 and containerd 1.7 #5528

To support new changes for Windows HostProcess Pod for K8S v1.28 and containerd 1.7 #5528

NamanAg30 commented Sep 26, 2023 •

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To support new changes for Windows HostProcess Pod for K8S v1.28 and containerd 1.7 #5528

To support new changes for Windows HostProcess Pod for K8S v1.28 and containerd 1.7 #5528

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