Automatic merge from submit-queue (batch tested with PRs 60872, 60808). 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>.
Pass in etcd TLS credentials during migrate and rollback
For HA etcd clusters, the `etcd-creds` settings, specifically the `--peer-*` TLS flags that may be included, must be passed in to `start-stop-etcd.sh` in order for the etcd server mode started during migrate and rollback steps to be able to communicate between peers.
The `etcd.manifest` change needs to be backported all the way back to 1.7.
**Release note**:
```release-note
NONE
```
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improve daemonset's retry creating failed daemon pods e2e test
**What this PR does / why we need it**:
This PR improves daemonset's retry creating failed daemon pods e2e test by checking that the failed pod does not show up among existing daemon pods.
**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#59076
**Release note**:
```release-note
NONE
```
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Fixing e2e CSI test, II
The fix for #60803 in commit 2ae33cc324 had a typo, so the "Server
rejected event" error still showed up in the external-provisioner log
of the "Sanity CSI plugin test using hostPath CSI driver" e2e test.
```release-note
None
```
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Bump etcd server patch version to 3.2.16
etcd 3.2.16 contains a critical fix for HA clusters: https://github.com/coreos/etcd/pull/9281
Also, update newly added tests to use `REGISTRY` make variable.
Release note:
```release-note
Upgrade the default etcd server version to 3.2.16
```
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remove "scale job" from help info
Remove "scale job" from help info since it's deprecated
**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**:
**Release note**:
```release-note
NONE
```
/assign @deads2k @soltysh
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Bump Cluster Autoscaler to 1.1.2
Contains fixes around GPUs and base image change.
```release-note
Cluster Autoscaler 1.1.2
```
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Fix test failure and delete unused code
**What this PR does / why we need it**:
`Daemon set [Serial] should update pod when spec was updated and update strategy is RollingUpdate` is broken by recent updates as Template generation isn't supported by apps/v1.DaemonSet anymore
**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#60745
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
The fix for #60803 in commit 2ae33cc324 had a typo, so the "Server
rejected event" error still showed up in the external-provisioner log
of the "Sanity CSI plugin test using hostPath CSI driver" e2e test.
Automatic merge from submit-queue. 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>.
Run server-side print tests only on k8s 1.10+
**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#60765
**Release note**:
```release-note
None
```
/assign @smarterclayton @deads2k
@juanvallejo fyi
Automatic merge from submit-queue. 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>.
Update README.md of sample-apiserver.
Mention CRDs as option.
Link to CRD vs Aggr. docs.
Mention apiserver-builder as alternative.
```release-note
NONE
```
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Prevent webhooks from affecting admission requests for WebhookConfiguration objects
**What this PR does / why we need it**:
As it stands now webhooks can be added to the system which make it impossible for a user to remove that webhook, or two webhooks could be registered which make it impossible to remove each other.
The first commit of this will add a test to make sure webhook deletion is never blocked by a webhook. This test will fail until the second commit is added which will prevent webhooks from affecting admission requests for ValidatingWebhookConfiguration and MutatingWebhookConfiguration objects in the admissionregistration.k8s.io group
- [x] Test that webhook deletion is never blocked by a webhook ([test fails before second commit](https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/pr-logs/pull/59840/pull-kubernetes-e2e-gce/23731/))
- [x] Prevent webhooks from being called on admission requests for [Validating|Mutating]WebhookConfiguration objects
- [x] Document this new behavior maybe in another PR
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of fixing #59124 (Verifies that it can remove the broken webhook.)
**Release note**:
```release-note
ValidatingWebhooks and MutatingWebhooks will not be called on admission requests for ValidatingWebhookConfiguration and MutatingWebhookConfiguration objects in the admissionregistration.k8s.io group
```
Automatic merge from submit-queue. 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>.
Fix DaemonSet e2e test for OnDelete
**What this PR does / why we need it**: DaemonSet `OnDelete` e2e test is broken after #59883 is merged, because default update strategy is different in apps/v1 API endpoint.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref #60003
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 60679, 60804). 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>.
Fixing e2e CSI test
Closes#60803
After switching to CSI 0.2.0 spec, additional RBAC permissions are required. This PR adds missing permissions.
```release-note
None
```
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Add node-e2e test for ShareProcessNamespace
**What this PR does / why we need it**: Adds a node-e2e test for kubernetes/features#495
**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#59554
**Special notes for your reviewer**: This requires a feature gate to be enabled in both the kubelet and API server. I'm not sure which jenkins configs need to be updated (or if these are even still used) so I just updated a pile of them.
opened kubernetes/test-infra#7030 for https://github.com/kubernetes/test-infra/blob/master/jobs/config.json
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. 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>.
Volume deletion should be idempotent
- Describe* calls should return `aws.Error` so caller can handle individual errors. `aws.Error` already has enough context (`"InvalidVolume.NotFound: The volume 'vol-0a06cc096e989c5a2' does not exist"`)
- Deletion of already deleted volume should succeed.
**Release note**:
Fixes: #60778
```release-note
NONE
```
/sig storage
/sig aws
/assign @justinsb @gnufied
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Add mTLS to kubeadm etcd liveness probe.
**What this PR does / why we need it**:
We switched etcd over to using mTLS, but the liveness probe is still using http.
Disabling the liveness probe allows etcd to continue operating.
The real fix isn't simple, because we need to generate a client certificate for healthchecking and update the probe to exec `etcdctl` like so:
https://sourcegraph.com/github.com/coreos/etcd-operator/-/blob/pkg/util/k8sutil/pod_util.go#L71-89
~Working on patching this now.~
This PR now generates the healthcheck identity and updates the liveness probe to use it.
**Which issue(s) this PR fixes**
Fixes#59766Fixeskubernetes/kubeadm#720
**Special notes for your reviewer**:
We should generate a client cert specifically for etcd health checks so that the apiserver certs can be revoked independently.
This will be stored in `/etc/kubernetes/pki/etcd/` so that we don't have to change the pod's hostMount.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. 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>.
Fix initializing watch cache
When initializing watch cache, set auxiliary fields in `storeElement` object. Fixes#60507.
```release-note
NONE
```
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Added dashboard banner passthrough to GCE kube-up.
**What this PR does / why we need it**: This PR adds GCE-specific provider flag for setting system-banner in the dashboard ui.
```release-note
NONE
```
Automatic merge from submit-queue. 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>.
Kube-dns configmap translation to CoreDNS
**What this PR does / why we need it**:
Translation of kube-dns ConfigMap (StubDomains and UpstreamNameserver) to equivalent Proxy in CoreDNS.
**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#662
**Special notes for your reviewer**:
Currently, the translation is done as follows:
Example ConfigMap of kube-dns.
```
apiVersion: v1
data:
federations: |
{"foo" : "foo.feddomain.com"}
stubDomains: |
{"abc.com" : ["1.2.3.4"], "my.cluster.local" : ["2.3.4.5"]}
upstreamNameservers: |
["8.8.8.8", "8.8.4.4"]
kind: ConfigMap
metadata:
creationTimestamp: 2018-01-22T20:21:56Z
name: kube-dns
namespace: kube-system
```
CoreDNS Corefile after translation.
```
.:53 {
errors
health
kubernetes cluster.local in-addr.arpa ip6.arpa {
upstream 8.8.8.8 8.8.4.4
pods insecure
fallthrough in-addr.arpa ip6.arpa
}
federation cluster.local {
foo foo.feddomain.com
}
prometheus :9153
proxy . 8.8.8.8 8.8.4.4
cache 30
}
abc.com:53 {
errors
cache 30
proxy . 1.2.3.4
}
my.cluster.local:53 {
errors
cache 30
proxy . 2.3.4.5
}
```
**Release note**:
```release-note
Kubeadm: CoreDNS supports migration of the kube-dns configuration to CoreDNS configuration when upgrading the service discovery from kube-dns to CoreDNS as part of Beta.
```
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Fix broken useManagedIdentityExtension for azure cloud provider
**What this PR does / why we need it**:
useManagedIdentityExtension has been broken because azure cloud provider uses `yaml.Unmarshal` to read configs while there is no yaml tag defined for useManagedIdentityExtension.
This PR fixes this problem and adds unit tests for parseConfig.
**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#60691
**Special notes for your reviewer**:
Should be cherry-picked to 1.7, 1.8 and 1.9.
**Release note**:
```release-note
Fix broken useManagedIdentityExtension for azure cloud provider
```
