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New annotations “kubectl.kubernetes.io/default-container” #27095

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merged 3 commits into from
Mar 22, 2021
Merged

New annotations “kubectl.kubernetes.io/default-container” #27095

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c78dbec
add kubectl.kubernetes.io/default-container to well known annotations
pacoxu Mar 17, 2021
352e776
Update content/en/docs/reference/labels-annotations-taints.md
pacoxu Mar 19, 2021
4c51305
Merge branch 'dev-1.21' into new-annotations
pacoxu Mar 19, 2021
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7 changes: 6 additions & 1 deletion content/en/docs/reference/labels-annotations-taints.md
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Expand Up @@ -207,6 +207,12 @@ Used on: Pod
The Job controller in the kube-controller-manager sets this annotation for Pods
created with Indexed [completion mode](/docs/concepts/workloads/controllers/job/#completion-mode).

## kubectl.kubernetes.io/default-container

Example: `kubectl.kubernetes.io/default-container: "front-end-app"`

The value of the annotation is the container name that is default for this Pod. For example, `kubectl logs` or `kubectl exec` without `-c` or `--container` flag will use this default container.

**The taints listed below are always used on Nodes**

## node.kubernetes.io/not-ready
Expand Down Expand Up @@ -262,4 +268,3 @@ Sets this taint on a node to mark it as unusable, when kubelet is started with t
Example: `node.cloudprovider.kubernetes.io/shutdown:NoSchedule`

If a Node is in a cloud provider specified shutdown state, the Node gets tainted accordingly with `node.cloudprovider.kubernetes.io/shutdown` and the taint effect of `NoSchedule`.