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convert testOverlappingDeployment e2e test to integration test
**What this PR does / why we need it**:
This PR convert a deployment e2e test named "testOverlappingDeployment" to integration test.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: xref #52113
**Release note**:
```release-note
NONE
```
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Update cadvisor godeps to v0.27.2
This fixes an issue with overlay2 support for Docker and CRI-O, which was introduced in 1.8.
We should cherrypick this to the 1.8 branch.
cc @kubernetes/sig-node-pr-reviews
@derekwaynecarr @dchen1107
```release-note
Fix overlay2 container disk metrics for Docker and CRI-O
```
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Initial integration test setup for DaemonSet controller
**What this PR does / why we need it**:
This PR setup and added some initial integration tests for the DaemonSet controller. All tests included were ported from their unit test counterparts that currently use fake client, informers, reactor, etc. Future PRs will port more tests over once this PR is approved and merged.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: #52191.
**Special notes for your reviewer**:
@kow3ns
**Release note**:
```release-note
NONE
```
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Added a test for proper `%s` handling when display last applied confi…
**What this PR does / why we need it**:
Added missing tests which checks proper handling of `%s` in arguments for command `kubectl apply view-last-applied`
**Which issue this PR fixes**
#54645
**Special notes for your reviewer**:
Added a test case to cover specific issue described.
It fails on version `v1.7.3`..`v1.7.9` and passes since `v1.8.0`.
P.S. Not sure if there is already a lower level test which covers this case in the k8s test suite. I would recommend to add this test, so the issue would not reoccur.
**Release note**:
```release-note
NONE
```
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Fix IPV6 judgement bug and add UTs
**What this PR does / why we need it**:
Fix IPV6 judgement bug and add UTs.
**Which issue this PR fixes** : closes#54775
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig network
/area ipv6
/kind bug
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Add unit test for get pod -o wide
**What this PR does / why we need it**:
Add unit test for get pod -o wide;
In func printPod, one can choose to use "options.Wide", so unit test is needed accordingly.
**Release note**:
```release-note
```
NONE
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Introduce GCE-specific addons directory
**What this PR does / why we need it**:
GCE & GKE currently rely on the cluster bringup defined in the `cluster/gce` directory, but there isn't a good way of deploying GCE specific manifests. Currently the 2 approaches are, put it in `/cluster/addons`, which implies it should be generally useful (not GCE specific), or it is synthesized by one of the bash scripts in `cluster/gce`.
This PR introduces a straightforward way to have GCE-specific manifests deployed for GCE & GKE, without the need to pollute the general addon space.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53032
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix iptables FORWARD policy for Docker 1.13 in kubernetes-worker charm
**What this PR does / why we need it**:
This fixes the kubernetes-worker charm to work with Docker >= 1.13 by calling `iptables -P FORWARD ACCEPT`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix iptables FORWARD policy for Docker 1.13 in kubernetes-worker charm
```
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Extract gnu-sed detection into a function
**What this PR does / why we need it**:
Moves gnu-sed detection into a reusable function across scripts (considering it's in multiple places).
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix `kubeadm upgrade plan` for offline operation
**What this PR does / why we need it**:
This PR allows `kubeadm upgrade plan` to work in firewalled/offline/otherwise restricted environments by ignoring errors when trying to reach dl.k8s.io. Instead, we fall back to the current kubeadm version as the latest stable version. This is a reasonable as a user is [expected to install a recent version of kubeadm before upgrading](https://kubernetes.io/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/#upgrading-your-control-plane).
**Which issue this PR fixes**: Fixeskubernetes/kubeadm#498
**Special notes for your reviewer**: Should preferably be cherrypicked to 1.8.
```release-note
Fix `kubeadm upgrade plan` for offline operation: ignore errors when trying to fetch latest versions from dl.k8s.io
```
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Fix service session affinity e2e failure cases
**What this PR does / why we need it**:
Fix service session affinity e2e failure cases - debuging...
**Which issue this PR fixes**:
xref #54571#54524
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig network
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kubectl partial env docs & examples
**What this PR does / why we need it**:
It adds documentation and examples to kubectl env.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: This PR partially addresses [#98](https://github.com/kubernetes/kubectl/issues/98).
**Special notes for your reviewer**:
This is a partial PR. I'm mostly looking for feedback as to whether I'm on the right track with this issue. Any feedback is appreciated. Thanks.
(This is my contribution to Outreachy's Kubernetes internship application.)
**Release note**:
```release-note
NONE
```
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diff: Propragate errors when diffing
Because of that, errors while diffing would potentially not do anything,
leaving the user clueless of what was going on.
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Metadata concealment e2e
**What this PR does / why we need it**: Add e2e for metadata concealment. Ref #8867.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Change bucket info of volume operations
The default buckets for volume operations are mostly incorrect because most metric tend to cluster in >10s bucket.
This fixes the problem with buckets.
cc @kubernetes/sig-storage-pr-reviews @jingxu97
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make iptables wait flag generic and tune it to 5 seconds
Excerpt from [bug](https://bugzilla.redhat.com/show_bug.cgi?id=1506396) opened by @eparis
> iptables-restore has a 2s wait timeout. Data collected today shows that even with a much faster kernel we can reasonably expect iptables-restore to take upwards of 2.4 seconds. (with unpatched/released RHEL kernel this can easily take 7-8 second)
> longest runs I saw over about 30 minutes were:
> 2.267244
> 2.284707
> 2.291535
> 2.376457
> If we get 2 iptables restores going at the same time, with a 2s timeout it is very likely the second will fail.
> I'd like to suggest a 5s timeout. It should still bound the number of thread we may be waiting on and increases the reliability that a common situation will be automatically resolved without failing up the stack.
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Add CRI log format support in fluentd.
Without this fluentd will log a lot of errors for each line, because it doesn't recognize the CRI log format.
With this PR, it could support CRI log format now. I've tried with cri-containerd.
The PR is using https://github.com/repeatedly/fluent-plugin-multi-format-parser.
This PR depends on https://github.com/GoogleCloudPlatform/k8s-stackdriver/pull/62.
@crassirostris Should I build/push image before the PR is merged? What is our process?
**Release note**:
```release-note
fluentd now supports CRI log format.
```
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Create kubectl's own instance of Scheme and Registry
Create kubectl's own instance of Registry and Scheme.
Switch most command that doesn't depend on internal types to use kubectl's own scheme and register.
There are some hack of registering the internal types in some of unit test now, they should be gone after switch to the external type.
Switch kubectl's factory code to use kubectl's scheme will create a lot of ripples.
I don't want make this PR a super giant PR, so I will do it in a followup PR.
Partially addressed #48564.
Copy the summary from https://github.com/kubernetes/kubernetes/pull/54533#issuecomment-340522302:
- creates pkg/kubectl/scheme (install.go and scheme.go) with
deps on properly vendored k8s.io packages.
- deletes about 80% percent of dependence on pkg/api/legacyscheme
- replaces direct dependence from pkg/kubectl on
pkg/apis/rbac
to a vendor style dependence on
k8s.io/api/rbac
and removes dependencies on rbac paths containing internalversion
- replaces almost 50% of direct dependence on pkg/api with (properly vendored)
k8s.io/api/core/v1
- deletes all of dependence on pkg/apis/policy and k8s.io/api/policy/v1beta1
```release-note
NONE
```
/assign @monopole @apelisse
cc: @pwittrock
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