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Kubelet: Add container ports label.
Addresses https://github.com/kubernetes/kubernetes/pull/30049#discussion_r73983952.
Add container ports label, although we don't use it now, it will make it easier to switch to new runtime interface in the future.
@yujuhong @feiskyer
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E2E & Node E2E: Move pods test into common directory
This is the 4th part of #29494.
For #29081.
Based on #29092, #29806.
The first commit is squash of all dependent commits. Please only review the last 2 commits.
The 2nd commit migrates pods.go to `common/pods.go`.
Notice that the test `should be schedule with cpu and memory limits` is removed because:
* It doesn't make sense at the node level.
* It should have been tested in scheduler_predicates at the cluster level https://github.com/kubernetes/kubernetes/blob/master/test/e2e/scheduler_predicates.go#L264
The 3rd commit splits pods.go into several pods (nothing is changed, only move code):
* **Liveness probe test:** Moved into `container_probe.go`.
* **Init container test:** Moved into a new file `init_container.go`.
* **Others:** Still in pods.go
@vishh @timstclair
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[GarbageCollector] only store typeMeta and objectMeta in the gc store
GC only needs to know the apiVersion, kind, and objectMeta of an object. This PR makes the stores of GC only save these fields.
cc @kubernetes/sig-api-machinery
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Update scale cmd help to display duration "units" in --timeout usage
release-note-none
`kubectl scale` has `--timeout` option, but the help info does not give accepted time units.
The help info gives default value 0 without a unit, potentially misleading a user into thinking they need to pass the numbered time only.
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Add service and deployment create sub-commands to kubectl
```release-note
Added new commands kubectl create service & kubectl create deployment
```
Partial #25382
This test creates three pods with QoS of besteffort, burstable, and
guaranteed, respectively, which each contain a container that tries to
consume almost all the available memory at a rate of about 12Mi/10sec.
The expectation is that eviction will be initiated when the hard
memory.available<250Mi threshold is triggered, and that eviction will proceed
in the order of besteffort, then burstable. Since guaranteed pods should
only be evicted if something charged to the host uses more resources
than were reserved for it, we currently end the test when besteffort and
burstable have both been evicted.
Note that this commit also sets --eviction-hard=memory.available<250Mi
to enable eviction during tests.
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Allow expressing inodes in percentages for eviction
Per discussion here:
https://github.com/kubernetes/kubernetes/pull/28055#issuecomment-230078770
The amount of inodes per disk can vary, and our operators would prefer to express eviction in terms of percentage available. So independent of a disk having 3.2M or 12M of total inodes, its more convenient to just express eviction as saying if available inodes falls below 10 or 5 percent of total capacity then trigger an action.
/cc @vishh @ronnielai @kubernetes/rh-cluster-infra @twiest @kubernetes/sig-node
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Add integration test for volume controller startup.
Tests #28002 with real etcd (unit tests have a fake one with different behavior).
@kubernetes/sig-storage
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Add total inodes to kubelet summary api
Needed to support inode based eviction thresholds as a percentage.
/cc @ronnielai @vishh @kubernetes/rh-cluster-infra
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Edits to bring the tls-terminated etcd cluster to the layer.
fixes#23198
```release-note
* Updates required for juju kubernetes to use the tls-terminated etcd charm.
```
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Admission control errors should have consistent lower casing
noticed while reviewing other PRs, but convention is that error messages should start with lower-case.
fixed up inconsistencies in admission control plug-ins.
/cc @ncdc
Before this change, CNI plugin failure didn't change anything in
the pod status, so pods having containers without requested
network were "running".
Fixes#29148
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pkg/util/exec: don't specify paths for echo
`ex.Command()` already searches the binary in PATH, no need to manually
specify it as `/bin/echo`. `pkg/util/exec` tests fail in non-conventional environments
due to this (e.g. NixOS).
`ex.Command()` already searches the binary in PATH, no need to manually
specify it. `pkg/util/exec` tests fail in non-conventional environments
due to this (e.g. NixOS).
