Automatic merge from submit-queue
Do not log stack trace for the error http.StatusBadRequest (400).
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**What this PR does / why we need it**:
This PR fixes an issue where stack trace is being logged in kubelet when the status http.StatusBadRequest occurs.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
<!-- Steps to write your release note:
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2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`.
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```release-note
```
Automatic merge from submit-queue
Make "Unschedulable" reason a constant in api
String "Unschedulable" is used in couple places in K8S:
* scheduler
* federation replicaset and deployment controllers
* cluster autoscaler
* rescheduler
This PR makes the string a part of API so it not changed.
cc: @davidopp @fgrzadkowski @wojtek-t
Automatic merge from submit-queue
Use the rawTerminal setting from the container itself
**What this PR does / why we need it**:
Checks whether the container is set for rawTerminal connection and uses the appropriate connection.
Prevents the output `Error from server: Unrecognized input header` when doing `kubectl run`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
helps with case 1 in #28695, resolves#30159
**Special notes for your reviewer**:
**Release note**:
```
release-note-none
```
Automatic merge from submit-queue
e2e node plumbing and bundling for GCI mounter
**Note:** The code in this PR only bundles the mounter and modifies `--mounter-path` if it can find `cluster/gce/gci/mounter` in the K8s source dir when building the test bundle.
This bundles the mounter script for GCI with the node e2e tests and allows the `--mounter-path` to be passed to the Kubelet via the node test framework. The node test runner will detect when we are running on a remote GCI node and add the appropriate `--mounter-path` to the `testArgs`.
It also includes a simple node test that mounts a tmpfs volume. This will exercise the Kubelet's mounter code path.
**ITEM OF NOTE:** To get the k8s root dir (in order to copy the mount script into the tarball), I changed `getK8sRootDir` -> `GetK8sRootDir` in `test/e2e_node/build/build.go`. Based on the comment above that function (and the fact that it was private to begin with), I'm not sure this is the best way to do things:
```
// TODO: Dedup / merge this with comparable utilities in e2e/util.go
```
On the other hand, the `e2e/util.go` file mentioned in that comment doesn't exist anymore. This should be resolved before this PR is merged.
Automatic merge from submit-queue
CRI: Refactor kuberuntime unit test
Based on https://github.com/kubernetes/kubernetes/pull/34858
This PR:
1) Refactor the fake runtime service and some kuberuntime unit test.
2) Add better garbage collection unit test.
3) Fix init container unit test which isn't testing correctly. Some other unit tests may also need to be fixed.
4) Add pod log directory garbage collection unit test.
@feiskyer @yujuhong
/cc @kubernetes/sig-node
Automatic merge from submit-queue
Refactor some functions in kube-dns to reduce surface area
- Moves federation query path out to its own method
- Creates dns/util and moves some trivial methods to that package
This is just moving of code.
Automatic merge from submit-queue
Kubelet getting node from apiserver cache before update.
This is blocked on #35218 (however it's ready for review).
It seems to visibly reduce the apiserver metrics (and I didn't observe higher number of conflicts even in 2000-node kubemark).
Automatic merge from submit-queue
Create restclient interface
Refactoring of code to allow replace *restclient.RESTClient with any RESTClient implementation that implements restclient.RESTClientInterface interface.
Automatic merge from submit-queue
CRI: Handle container/sandbox restarts for pod with RestartPolicy == …
If all sandbox and containers are dead in a pod, and the restart policy is
"Never", kubelet should not try to recreate all of them.
Automatic merge from submit-queue
Deny service ClusterIP update from `None`
**What this PR does / why we need it**: Headless service should not be transformed into a service with ClusterIP, therefore update of this field if it's set to `None` is disallowed.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#33029
**Release note**:
```release-note
Changing service ClusterIP from `None` is not allowed anymore.
```
Automatic merge from submit-queue
add generic shared informer backed by existing informer
Adds the ability to get an informer and lister that returns `[]runtime.Object` methods with the "normal" filtering capabilities based on a `GroupResource`. Right now, it only works on known types (and re-uses those caches for efficiency by having a different skin on the `Index`). It should be extended in the future.
@derekwaynecarr I think this gives you the types you were looking for to avoid the ugly array copies.
Automatic merge from submit-queue
Support resourceVersion in GetToList - unify interface of List and Ge…
This pretty much unifies the interface of List() and GetToList() methods of storage interface.
I'm going to use it in a subsequent PR to improve performance of the whole cluster.
Automatic merge from submit-queue
Return an empty network namespace path for exited infra containers
If the infra container has already terminated, `docker inspect` will report
pid 0. The path constructed using the pid to check the network namespace of
the process will be invalid. This commit changes docker to report an empty
path to stop kubenet from erroring out whenever TearDown is called on an
exited infra container.
This is not a fix for all the plugins, as some plugins may require the actual
network namespace to tear down properly.
Automatic merge from submit-queue
Remove last probe time from replica sets
While experimenting with Deployment conditions I found out that if we are going to use lastProbeTime as we are supposed to be using it then we hotloop between updates (see https://github.com/kubernetes/kubernetes/pull/19343#issuecomment-255096778 for more info)
cc: @smarterclayton @soltysh
Automatic merge from submit-queue
Add an informer for StorageClass
Add an informer for `StorageClass` for later consumption in quota.
/cc @eparis @deads2k @erinboyd
