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Fix running e2e tests with completed kube-system pods
As per @timothysc's suggestion, this PR is the same as PR #53222, but with the CLA signed and with a comment explaining why completed pods are skipped. Credit for finding this fix goes to @dlosev.
From the original PR:
> Currently e2e runner fails during BeforeSuite execution if there are pods in kube-system namespace in 'Completed' state.
>
> Exactly this issue was fixed previously in #37325 by adding new option "skipSucceeded" to ignore 'Completed' pods. Then, in 2e3cd93#diff-eb7b79470992813ea1905e96c298b47bL557 that option was removed and code was adjusted to ignore 'Completed' pods all the time. But in 0bf96a3 that code was accidentally removed as redundant.
>
> This fix restores removed code.
```release-note
NONE
```
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Remove some completed TODOs
This PR removes some old TODOs that were recently completed.
```release-note
NONE
```
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Stub out BackendService check in Ingress upgrade test.
/assign @MrHohn
```release-note
None
```
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remove unused code of (pkg/scheduler)
**What this PR does / why we need it**:
/kind cleanup
remove unused code
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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split the generic component config and options into a kube and cloud part
**What this PR does / why we need it**:
Summary ideas:
1. Moving some substruct shared by both `kube-controller manager` and `cloud-controller manager` in `KubeControllerManagerConfiguration` struct into `GenericControllerManagerConfiguration` struct, and keep `KubeControllerManagerConfiguration` struct;
2. Construct a new `CloudControllerManagerConfiguration` struct for `cloud-controller manager`.
As an follow-up of [https://github.com/kubernetes/kubernetes/pull/60270](https://github.com/kubernetes/kubernetes/pull/60270).
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fixing wrong unit test naming of (pkg/controller/podautoscaler)
**What this PR does / why we need it**:
/kind cleanup
Fixing wrong unit test naming of (pkg/controller/podautoscaler). Unit tests will not be executed, function name of _test.go file must start with Test*.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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fix session affinity for LoadBalancer service with ESIPP
**What this PR does / why we need it**:
fix session affinity for LoadBalancer service with ESIPP
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63351
**Special notes for your reviewer**:
In cases that loadbalancer type service with externaltrafficpolicy=local and session-affinity specified, traffic to loadbalancer should only route to backends that in the same node with kube-proxy.
**Release note**:
```release-note
NONE
```
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fix kubectl get --show-kind
This pull request fix `kubectl get --show-kind`
Before this change:
```json
$ kubectl get pods --show-kind
NAME READY STATUS RESTARTS AGE
pi-with-timeout-52sjs 0/1 Completed 0 1d
pi-with-timeout-f5pb5 0/1 Completed 0 1d
```
After this change:
```
$ kubectl get pods --show-kind
NAME READY STATUS RESTARTS AGE
pod/pi-with-timeout-52sjs 0/1 Completed 0 1d
pod/pi-with-timeout-f5pb5 0/1 Completed 0 1d
```
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
/assign @soltysh
**Release note**:
```release-note
NONE
```
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add kubectl wait
Adds a `kubectl wait --for=[delete|condition=condition-name] resource/string` command. This allows generic waiting on well behaved conditions and for a resource or set of resources to be deleted.
This was requested for delete to do foreground deletion
WIP because I need to add test cases.
@kubernetes/sig-cli-maintainers this is using a separation of concerns made possible by the genericclioptions to make an easily unit testable command.
@smarterclayton
```release-note
adds a kubectl wait command
```
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Fix preemption tests that use PDB
**What this PR does / why we need it**:
Scheduler integration tests that test preemption in presence of PDB had an issue causing PDB status not getting updated. This PR fixes the issue.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig scheduling
xref/ #57057
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Enable SELinux relabeling in CSI volumes
**What this PR does / why we need it**:
CSI volume plugin should provide correct information in `GetAttributes` call so kubelet can ask container runtime to relabel the volume. Therefore CSI volume plugin needs to check if a random volume mounted by a CSI driver supports SELinux or not by checking for "seclabel" mount or superblock option.
**Which issue(s) this PR fixes**
Fixes#63965
**Release note**:
```release-note
NONE
```
@saad-ali @vladimirvivien @davidz627
@cofyc, FYI, I'm changing `struct mountInfo`.
Automatic merge from submit-queue (batch tested with PRs 63914, 63887, 64116, 64026, 62933). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
remove portsforobject from factory
Removes another non-factory method out.
/assign @juanvallejo
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63914, 63887, 64116, 64026, 62933). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
kubeadm: Write kubelet config file to disk and persist in-cluster
**What this PR does / why we need it**:
In order to make configuration flow from the cluster level to node level, we need a way for kubeadm to tell the kubelet what config to use. As of v1.10 (I think) the kubelet can read `--config` using the kubelet Beta ComponentConfiguration API, so now we have an interface to talk to the kubelet properly.
This PR:
- Writes the kubelet ComponentConfig to `/var/lib/kubelet/config.yaml` on init and join
- Writes an environment file to source in the kubelet systemd dropin `/var/lib/kubelet/kubeadm-flags.env`. This file contain runtime flags that should be passed to the kubelet.
- Uploads a ConfigMap with the name `kubelet-config-1.X`
- Patches the node object so that it starts using the ConfigMap with updates using Dynamic Kubelet Configuration, **only if the feature gate is set** (currently alpha and off by default, not intended to be switched on in v1.11)
- Updates the phase commands to reflect this new flow
The kubelet dropin file I used now looks like this:
```
# v1.11.x dropin as-is at HEAD
# /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
---
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile-=/var/lib/kubelet/kubeadm-flags.env
# Should default to 0 in v1.11: https://github.com/kubernetes/kubernetes/pull/63881, and hence not be here in the real v1.11 manifest
Environment="KUBELET_CADVISOR_ARGS=--cadvisor-port=0"
# Should be configurable via the config file: https://github.com/kubernetes/kubernetes/issues/63878, and hence be configured using the file in v1.11
Environment="KUBELET_CERTIFICATE_ARGS=--rotate-certificates=true"
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CERTIFICATE_ARGS $KUBELET_EXTRA_ARGS
---
# v1.11.x dropin end goal
# /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
---
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile-=/var/lib/kubelet/kubeadm-flags.env
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
---
# Environment file dynamically created at runtime by "kubeadm init"
# /var/lib/kubelet/kubeadm-flags.env
KUBELET_KUBEADM_ARGS=--cni-bin-dir=/opt/cni/bin --cni-conf-dir=/etc/cni/net.d --network-plugin=cni
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes https://github.com/kubernetes/kubeadm/issues/822
Fixes https://github.com/kubernetes/kubeadm/issues/571
**Special notes for your reviewer**:
**Release note**:
```release-note
"kubeadm init" now writes a structured and versioned kubelet ComponentConfiguration file to `/var/lib/kubelet/config.yaml` and an environment file with runtime flags (you can source this file in the systemd kubelet dropin) to `/var/lib/kubelet/kubeadm-flags.env`.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @mtaufen
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Add initContainers into completion suggestions for kubectl logs/attach
**What this PR does / why we need it**: This PR improves autocomplete of kubectl logs/attach to add initContainers into completion suggestions in addition to containers.
```
$ cat <<EOL | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
spec:
initContainers:
- name: init-myservice
image: busybox
command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;']
- name: init-mydb
image: busybox
command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;']
containers:
- name: myapp-container
image: busybox
command: ['sh', '-c', 'echo The app is running! && sleep 3600']
EOL
$ kubectl logs myapp-pod <tab><tab>
init-mydb init-myservice myapp-container
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Sample controller tests
**What this PR does / why we need it**:
This PR adds unit tests to sample-controller.
**Special notes for your reviewer**:
This is currently based on the munnerz:sample-controller branch. Please don't merged it until #52753 is merged.
Part of https://github.com/kubernetes/kubernetes/pull/63040 is the
assumption that scheduler cache updates must happen before equivalence
cache updates for any given informer event.
The reason for this is that the equivalence cache implementation checks
the main cache for staleness while holding the equiv. cache write lock.
case 1: If an informer invalidates an equiv. cache entry before the
staleness check, then we know that the main cache update completed.
case 2: If an informer blocks trying to grab the equiv. cache lock, then
invalidation will occur right after the potentially stale update is
written.
This patch adds a note to places where we invalidate the equivalence
cache so that hopefully nobody violates this invariant.
This PR exports config-releated metrics from the Kubelet.
The Guages for active, assigned, and last-known-good config can be used
to identify config versions and produce aggregate counts across several
nodes. The error-reporting Gauge can be used to determine whether a node
is experiencing a config-related error, and to prodouce an aggregate
count of nodes in an error state.
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Add unit tests to `kubeadm upgrade diff` and small improvements
**What this PR does / why we need it**:
has a couple of commits:
I.
```
1) Store the io.Writer and pass it to sub-commands in upgrade.go
2) Check if the manifest path is an empty string in diff.go:runDiff()
3) Use the io.Writer that upgrade.go defines instead of writing to
os.Stdout directly.
```
II.
```
Add the file diff_test.go, which has a single test:
TestRunDiff
The test covers most error cases for the runDiff() function,
and also performs a valid diff.
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#826
**Special notes for your reviewer**:
@liztio @luxas
**Release note**:
```release-note
NONE
```
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switch rbac to external
The overall trajectory of the project is towards external types. Having all helpers agree on the version they operate on makes life much easier. We've already written one RBAC controller (role aggregation) and more may follow. `v1` has been around for a while now and we know that any future changes have to reliably roundtrip through it. This pull switches all the core helpers over to use the external types.
@kubernetes/sig-auth-pr-reviews
```release-note
`kubectl auth reconcile` only works with rbac.v1
```
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remove one duplicated unit test
Unit test `TestGetAllListObjects` is exactly the same with unit test `TestGetListObjects`.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
/assign @soltysh
**Release note**:
```release-note
NONE
```
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Make kubectl could create clusterrole with aggregation rules
**What this PR does / why we need it**:
The clusterrole aggregation rule features are available since v1.9:
https://kubernetes.io/docs/admin/authorization/rbac/#aggregated-clusterroles
This patch makes kubectl could create clusterrole with aggregation rules.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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check error when parse field failed
**What this PR does / why we need it**:
check error when parse field failed
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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