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fix bug when compare version
Fix a small bug when compare version in `patch` which is introduced by my PR #35647 today.
This blocks #36672.
cc: @janetkuo
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Fix watching from resourceVersion=0 in etcd3 watcher
Fixes https://github.com/kubernetes/kubernetes/issues/36545
* Makes etcd3 consistent with watch cache behavior (all synthetic events sent for the initial list of items result in ADDED events)
* Fixes errors if previous values of initial items had been compacted away
* Removes fan-out Get() for previous values of initial items
Should be fixed before making etcd3 the default (https://github.com/kubernetes/kubernetes/pull/36229)
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Restore event messages for replica sets in the deployment controller
Needed to unblock release upgrade tests (see https://github.com/kubernetes/kubernetes/issues/36453)
@kubernetes/deployment ptal
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Fix strategic patch for list of primitive type with merge sementic
Fix strategic patch for list of primitive type when the patch strategy is `merge`.
Before: we cannot replace or delete an item in a list of primitive, e.g. string, when the patch strategy is `merge`. It will always append new items to the list.
This patch will generate a map to update the list of primitive type.
The server with this patch will accept either a new patch or an old patch.
The client will found out the APIserver version before generate the patch.
Fixes#35163, #32398
cc: @pwittrock @fabianofranz
``` release-note
Fix strategic patch for list of primitive type when patch strategy is `merge` to remove deleted objects.
```
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Switch pod eviction client from v1alpha1 to v1beta
Generated client 1.5 has a function to evict a pod. The function uses v1alpha1.Eviction object instead of v1beta1. This pr changes the api version that is being used.
cc: @davidopp @caesarxuchao
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fix issue in reconstruct volume data when kubelet restarts
During state reconstruction when kubelet restarts, outerVolueSpecName
cannot be recovered by scanning the disk directories. But this
information is used by volume manager to check whether pod's volume is
mounted or not. There are two possible cases:
1. pod is not deleted during kubelet restarts so that desired state
should have the information. reconciler.updateState() will use this
inforamtion to update.
2. pod is deleted during this period, reconciler has to use
InnerVolumeSpecName, but it should be ok since this information will not
be used for volume cleanup (umount)
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Improve quota performance for pvc by using shared informer
This avoids a list call for each namespace in the resource quota controller when syncing quota.
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Expand documentation and TODOs in a few packages
I was reading through unfamiliar code and mostly added TODOs and expanded and clarified documentations.
There are a couple of things that are real code changes:
- Removed some unused constants
- Changed `workqueue.Parallize` to clamp the number of worker goroutines to the number of items to be processed.
- Added another unit test to `workqueue.queue`. I thought I found a bug (I was wrong) and wrote a unit test to isolate. I figure the extra test is worth keeping.
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CRI: general grammar/spelling/consistency cleanup
No semantic changes, but a lot of shuffling of docstrings to make things
more consistent. In particular, standardise on the zeroth-article (i.e.
prefer `// Version` to `// The version`) and ending all docstrings with
periods.
(This knowingly conflicts with #36446 and intentionally omits changing the
Annotations field - I'll rebase this or that respectively as necessary.)
During state reconstruction when kubelet restarts, outerVolueSpecName
cannot be recovered by scanning the disk directories. But this
information is used by volume manager to check whether pod's volume is
mounted or not. There are two possible cases:
1. pod is not deleted during kubelet restarts so that desired state
should have the information. reconciler.updateState() will use this
inforamtion to update.
2. pod is deleted during this period, reconciler has to use
InnerVolumeSpecName, but it should be ok since this information will not
be used for volume cleanup (umount)
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Add support for SourceIP preservation in Azure LBs
@thockin @colemickens now that we are setting DSR for Azure LBs this should "just work"
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Fix getting cgroup pids
Fixes https://github.com/kubernetes/kubernetes/issues/35214, https://github.com/kubernetes/kubernetes/issues/33232
Verified manually, but I didn't have time to run all the e2e's yet (will check it in the morning).
This should be cherry-picked into 1.4, and merged into 1.5 (/cc @saad-ali )
```release-note
Fix fetching pids running in a cgroup, which caused problems with OOM score adjustments & setting the /system cgroup ("misc" in the summary API).
```
/cc @kubernetes/sig-node
The kubectl version output is very complex and makes it hard for users
and vendors to give actionable information. For example during the
recent Kubernetes 1.4.3 TLS security scramble I had to write a one-liner
for users to get out the version number to give to figure out if they
are vulnerable:
$ kubectl version | grep -i Server | sed -n 's%.*GitVersion:"\([^"]*\).*%\1%p'
Instead this patch outputs simply output with `--short`
./kubectl version --short
Client Version: v1.4.3
Server Version: v1.4.3
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Do not handle AlreadyExists errors yet
Until we fix https://github.com/kubernetes/kubernetes/issues/29735 (use a new hashing algo) we should not handle AlreadyExists (was added recently in the perma-failed PR).
@kubernetes/deployment
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Add e2e node test for log path
fixes#34661
A node e2e test to check if container logs files are properly created with right content.
Since the log files under `/var/log/containers` are actually symbolic of docker containers log files, we can not use a pod to mount them in and do check (symbolic doesn't supported by docker volume).
cc @Random-Liu
