Automatic merge from submit-queue (batch tested with PRs 39486, 37288, 39477, 39455, 39542)
Update quota scope descriptions
```release-note
release-note-none
```
This patch improves the help text descriptions for quota scopes.
@kubernetes/kubectl
Automatic merge from submit-queue (batch tested with PRs 39486, 37288, 39477, 39455, 39542)
Allow missing keys in templates by default
Switch to allowing missing keys in jsonpath templates by default.
Add support for allowing/disallowing missing keys in go templates
(default=allow).
Add --allow-missing-template-keys flag to control this behavior (default=true /
allow missing keys).
Fixes#37991
@kubernetes/sig-cli-misc @kubernetes/api-reviewers @smarterclayton @fabianofranz @liggitt @pwittrock
In certain conditions in which the set of metrics returned by Heapster
is completely disjoint from the set of pods returned by the API server,
we can have a request sum of zero, which can cause a panic (due to
division by zero). This checks for that condition.
Fixes#39680
Automatic merge from submit-queue (batch tested with PRs 39648, 38167, 39591, 39415, 39612)
Add verbs to thirdparty resources in discovery
The namespace controller ignores thirdparty resources right now because verbs are not set. This PR sets a static list of verbs.
Moreover, integration tests are added for the discovery info of thirdparty resources.
/cc @zhouhaibing089
Automatic merge from submit-queue (batch tested with PRs 39628, 39551, 38746, 38352, 39607)
Increasing times on reconciling volumes fixing impact to AWS.
#**What this PR does / why we need it**:
We are currently blocked by API timeouts with PV volumes. See https://github.com/kubernetes/kubernetes/issues/39526. This is a workaround, not a fix.
**Special notes for your reviewer**:
A second PR will be dropped with CLI cobra options in it, but we are starting with increasing the reconciliation periods. I am dropping this without major testing and will test on our AWS account. Will be marked WIP until I run smoke tests.
**Release note**:
```release-note
Provide kubernetes-controller-manager flags to control volume attach/detach reconciler sync. The duration of the syncs can be controlled, and the syncs can be shut off as well.
```
Automatic merge from submit-queue (batch tested with PRs 39628, 39551, 38746, 38352, 39607)
fix throttling test
Fixes https://github.com/kubernetes/kubernetes/issues/39285.
The token bucket starts full, so getting 100 tokens doesn't take a full second, right? Getting 101 tokens does take a full second.
@liggitt looks like your test.
gzip output is not stable between go releases, so bindata.go shows spurious diffs when compressed
also, half the output is human readable, and the other half is already zip compressed
Automatic merge from submit-queue
move tests which need to stay in k8s.io/kubernetes for API scheme
Preparatory for https://github.com/kubernetes/kubernetes/pull/39475 to keep from having modify packages that will become read-only. It's a straight move of tests which have API scheme dependencies, but lived in the API machinery package.
Automatic merge from submit-queue
switch webhook to clientgo
Switches the delegating authentication and authorization webhooks to use client-go. The ripples go out aways, but I kept it as contained as I could.
@sttts
Automatic merge from submit-queue (batch tested with PRs 37845, 39439, 39514, 39457, 38866)
Add software versions to "kubectl get nodes -o wide" output.
Added "OS-IMAGE" and "KERNEL-VERSION" two columns to
"kubectl get nodes -o wide" output. This will help to provide
more information for user to locate or debug issues. See discussion
in ticket #25579
Automatic merge from submit-queue (batch tested with PRs 37845, 39439, 39514, 39457, 38866)
Log a warning message when failed to find kind for resource in garbage collector controller
at this time, I do not think thirdparty api group version resources should be taken care by garbage collector controllers, and this line of call will fail actually: https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/garbagecollector/garbagecollector.go#L565, and as a result, the garbagecollector controller failed to start.
Automatic merge from submit-queue (batch tested with PRs 37845, 39439, 39514, 39457, 38866)
Move watch/versioned to pkg/apis/meta/v1/watch.go
Watch is a part of the server API
Automatic merge from submit-queue
Azure disk volume fixes
fix#36571: Do not report error when deleting an attached volume
fix#38362: create blob vhds container if not exists
Automatic merge from submit-queue (batch tested with PRs 39394, 38270, 39473, 39516, 36243)
Improve an error message when privileged containers are disallowed on the cluster
**What this PR does / why we need it**:
At present when user creates privileged pod and creation of privileged containers disallowed globally by a system administrator (kubelet and api-server were running with `--allow-privileged=false`), user will get the following error message:
```console
$ kubectl create -f nginx.pod
The Pod "nginx" is invalid: spec.containers[0].securityContext.privileged: Forbidden: disallowed by policy
```
"Disallowed by policy" may give a wrong assumption to a user that creation of privileged containers disallowed by [`PodSecurityPolicy`](http://kubernetes.io/docs/user-guide/pod-security-policy/) while it's not.
This commit improves error message and tries to point user to the right direction:
```console
$ kubectl create -f nginx.pod
The Pod "nginx" is invalid: spec.containers[0].securityContext.privileged: Forbidden: privileged containers are disallowed on this cluster by a system administrator
```
**Release note**:
```release-note
NONE
```
PTAL @pweil-
Switch to allowing missing keys in jsonpath templates by default.
Add support for allowing/disallowing missing keys in go templates
(default=allow).
Add --allow-missing-template-keys flag to control this behavior
(default=true / allow missing keys).
Added "OS-IMAGE" and "KERNEL-VERSION" two columns to
"kubectl get nodes -o wide" output. This will help to provide
more information for user to locate or debug issues. See discussion
in ticket #25579
