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Fix typo and comments
**What this PR does / why we need it**:
Fix typo across the azure package.
**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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remove unused func in FakeConfigurator of scheduler
**What this PR does / why we need it**:
Current scheduler `Configurator` interface looks like this:
```
type Configurator interface {
GetPriorityFunctionConfigs(priorityKeys sets.String) ([]algorithm.PriorityConfig, error)
GetPriorityMetadataProducer() (algorithm.PriorityMetadataProducer, error)
GetPredicateMetadataProducer() (algorithm.PredicateMetadataProducer, error)
GetPredicates(predicateKeys sets.String) (map[string]algorithm.FitPredicate, error)
GetHardPodAffinitySymmetricWeight() int32
GetSchedulerName() string
MakeDefaultErrorFunc(backoff *util.PodBackoff, podQueue core.SchedulingQueue) func(pod *v1.Pod, err error)
// Needs to be exposed for things like integration tests where we want to make fake nodes.
GetNodeLister() corelisters.NodeLister
GetClient() clientset.Interface
GetScheduledPodLister() corelisters.PodLister
Create() (*Config, error)
CreateFromProvider(providerName string) (*Config, error)
CreateFromConfig(policy schedulerapi.Policy) (*Config, error)
CreateFromKeys(predicateKeys, priorityKeys sets.String, extenders []algorithm.SchedulerExtender) (*Config, error)
}
```
Funcs `ResponsibleForPod` and `Run` once existed have been removed, so the funcs in `FakeConfigurator` should be removed accordingly.
**Special notes for your reviewer**:
/kind cleanup
/sig scheduling
**Release note**:
```release-note
NONE
```
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Fixes for HostIPC tests to work when Docker has SELinux support enabled.
**What this PR does / why we need it**:
Fixes for HostIPC tests to work when Docker has SELinux support enabled.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
N/A
**Special notes for your reviewer**:
The core of the matter is to use `ipcs` from util-linux rather than the one from busybox. The typical SELinux policy has enough to allow Docker containers (running under svirt_lxc_net_t SELinux type) to access IPC information by reading the contents of the files under /proc/sysvipc/, but not by using the shmctl etc. syscalls.
The `ipcs` implementation in busybox will use `shmctl(0, SHM_INFO, ...)` to detect whether it can read IPC info (see source code [here](https://git.busybox.net/busybox/tree/util-linux/ipcs.c?h=1_28_0#n138)), while the one in util-linux will prefer to read from the /proc files directly if they are available (see source code [here](https://github.com/karelzak/util-linux/blob/v2.27.1/sys-utils/ipcutils.c#L108)).
It turns out the SELinux policy doesn't allow the shmctl syscalls in an unprivileged container, while access to it through the /proc interface is fine. (One could argue this is a bug in the SELinux policy, but getting it fixed on stable OSs is hard, and it's not that hard for us to test it with an util-linux `ipcs`, so I propose we do so.)
This PR also contains a refactor of the code setting IpcMode, since setting it in the "common options" function is misleading, as on containers other than the sandbox, it ends up always getting overwritten, so let's only set it to "host" in the Sandbox.
It also has a minor fix for the `ipcmk` call, since support for size suffix was only introduced in recent versions of it.
**Release note**:
```release-note
NONE
```
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Remove setInitError.
**What this PR does / why we need it**:
Removes setInitError, it's not sure it was ever really used, and it causes the kubelet to hang and get wedged.
**Which issue(s) this PR fixes**
Fixes#46086
**Special notes for your reviewer**:
If `initializeModules()` in `kubelet.go` encounters an error, it calls `runtimeState.setInitError(...)`
47d61ef472/pkg/kubelet/kubelet.go (L1339)
The trouble with this is that `initError` is never cleared, which means that `runtimeState.runtimeErrors()` always returns this `initError`, and thus pods never start sync-ing.
In normal operation, this is expected and desired because eventually the runtime is expected to become healthy, but in this case, `initError` is never updated, and so the system just gets wedged.
47d61ef472/pkg/kubelet/kubelet.go (L1751)
We could add some retry to `initializeModules()` but that seems unnecessary, as eventually we'd want to just die anyway. Instead, just log fatal and die, a supervisor will restart us.
Note, I'm happy to add some retry here too, if that makes reviewers happier.
**Release note**:
```release-note
Prevent kubelet from getting wedged if initialization of modules returns an error.
```
@feiskyer @dchen1107 @janetkuo
@kubernetes/sig-node-bugs
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Make eviction manager work with CRI container runtime.
Previously, eviction manager uses a function `HasDedicatedImageFs` in `pkg/kubelet/cadvisor` to detect whether image fs and root fs are on the same device.
However, it doesn't work with CRI container runtime which provides container/image stats through CRI. Thus all eviction tests for containerd are failing now. https://k8s-testgrid.appspot.com/sig-node-containerd#node-e2e-flaky
This PR makes it work with CRI container runtime.
@kubernetes/sig-node-pr-reviews
@yujuhong @yguo0905 @feiskyer @mrunalp @abhi @dashpole
Signed-off-by: Lantao Liu <lantaol@google.com>
**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
```
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fix mistaken info print
**What this PR does / why we need it**:
fix mistaken info print
**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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deprecate insecure http flags and remove already deprecated flags
**What this PR does / why we need it**:
1. deprecate `insecure-bind-address` `insecure-port` flags
2. remove flags `public-address-override` `address` `port` They are mark deprecated in #36604, which is more than a year ago.
**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#58951
**Special notes for your reviewer**:
**Release note**:
```release-note
Deprecate insecure flags `--insecure-bind-address`, `--insecure-port` and remove `--public-address-override`.
```
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use glog.info instead of glog.infof when no format
**What this PR does / why we need it**:
use glog.info instead of glog.infof when no format
**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
```
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Support GetLabelsForVolume In OpenStack
**What this PR does / why we need it**:
Since PersistentVolumeLabelController will invoke ```GetLabelsForVolume``` interface
in Cloud-Controller-Manager, OpenStack Provider should support it.
https://github.com/kubernetes/kubernetes/blob/master/pkg/cloudprovider/cloud.go#L213
**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#58870
**Special notes for your reviewer**:
**Release note**:
```release-note
Support GetLabelsForVolume in OpenStack Provider
```
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Use GetDryRunFlag to keep consistent
**What this PR does / why we need it**:
There's a cmd util GetDryRunFlag, but we still get 'dry-run' directly somewhere. This PR makes them consistent.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 58899, 58980). 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>.
CRI: Add a call to reopen log file for a container
This allows a daemon external to the container runtime to rotate the log
file, and then ask the runtime to reopen the files.
**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#58823
**Release note**:
```release-note
CRI: Add a call to reopen log file for a container.
```
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fix url parsing for staging/dev endpoint
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 58777, 58978, 58977, 58775). 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 pod sandbox privilege.
Fixes https://github.com/kubernetes/kubernetes/issues/58979.
In cri-containerd, we start enforcing that a privileged container can't be created in privileged sandbox in https://github.com/containerd/cri-containerd/pull/577.
However, after that the e2e-gci-device-plugin-gpu test starts failing. https://k8s-testgrid.appspot.com/sig-node-containerd#e2e-gci-device-plugin-gpu
```
I0128 06:49:09.117] Jan 28 06:49:09.086: INFO: At 2018-01-28 06:41:10 +0000 UTC - event for nvidia-driver-installer-5kkrz: {kubelet bootstrap-e2e-minion-group-7s2v} Failed: (combined from similar events): Error: failed to generate container "cfb9f4f01fc2685db6469d3f6348077b94d4aa577e2e6345bf890f8871ec80dd" spec: no privileged container allowed in sandbox
```
The reason is that kubelet doesn't check init container when setting sandbox privilege.
Signed-off-by: Lantao Liu <lantaol@google.com>
**Release note**:
```release-note
none.
```
@kubernetes/sig-node-bugs @yujuhong @feiskyer @mrunalp
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Removal of KubeletConfigFile feature gate: Step 3 (final)
This PR completes the work started in
https://github.com/kubernetes/kubernetes/pull/58760
by completely removing the KubeletConfigFile feature gate.
We stopped setting the gate in test-infra in
https://github.com/kubernetes/test-infra/pull/6490.
```release-note
The alpha KubeletConfigFile feature gate has been removed, because it was redundant with the Kubelet's --config flag. It is no longer necessary to set this gate to use the flag. The --config flag is still considered alpha.
```
Automatic merge from submit-queue (batch tested with PRs 58955, 58968, 58971, 58963, 58298). 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>.
removes the remainder from ScalerFor method
**What this PR does / why we need it**:
this PR removes existing scalers from `ScalerFor` method
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 58955, 58968, 58971, 58963, 58298). 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>.
pkg: kubelet: do not assume anything about images names
This patch fixes a regression introduced by
https://github.com/kubernetes/kubernetes/pull/51751 in the CRI
interface.
That commit actually changed a unit test where we were previously *not*
assuming anything about an image name.
Before that commit, if you send the image "busybox" through the CRI,
the container runtime receives "busybox". After that patch the
container runtime gets "docker.io/library/busybox".
While that may be correct for the internal kube dockershim, in the CRI
we must not assume anything about image names. The ImageSpec is not
providing any spec around the image so the container runtime should
just get the raw image name from the pod spec. Every container runtime
can handle image names the way it wants. The "docker.io" namespace is
not at all "standard", CRI-O is not following what the docker UI say
since that's the docker UI. We should not focus the CRI on wrong UI
design, especially around a default namespace.
Image name normalization is a Docker implementation detail around short images names, not the CRI.
ImageSpec is not standardized yet:
https://github.com/kubernetes/kubernetes/issues/46255 and
https://github.com/kubernetes/kubernetes/issues/7203
This is something which should land in 1.9 as well since the regression
is from 1.8.
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
**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
Fix regression in the CRI: do not add a default hostname on short image names
```
Automatic merge from submit-queue (batch tested with PRs 56995, 58498, 57426, 58902, 58863). 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>.
cleanup enable/disable api resources code
**What this PR does / why we need it**:
After #57228, `runtime-config` flag has stop support enable/disable resources of a specific groupVersion,
so this pr does some clean work about this.
Mainly delete unused code in `k8s.io/apiserver/pkg/server/storage/resource_config.go`
**Special notes for your reviewer**:
/assign @deads2k @sttts
**Release note**:
```release-note
NONE
```
/kind cleanup
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kubelet: remove the rktshim directory
This package contains only placeholders without actual implementation.
Since it is not currently under active development, remove it to avoid
unnecessary change needed whenever the interface is changed.
Automatic merge from submit-queue (batch tested with PRs 56995, 58498, 57426, 58902, 58863). 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>.
Get windows kernel version directly from registry
**What this PR does / why we need it**:
kubernetes/kubernetes#55143 gets windows kernel version by calling windows.GetVersion(), but it doesn't work on windows 10. From https://msdn.microsoft.com/en-us/library/windows/desktop/ms724439(v=vs.85).aspx, GetVersion requires app to be manifested.
Applications not manifested for Windows 8.1 or Windows 10 will return the Windows 8 OS version value (6.2). I tried a toy go program using GetVersion on Windows 10 and it returns 0x23f00206.
Given the limited win32 functions in golang, we should read from registry directly.
**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#58497
**Special notes for your reviewer**:
Should also cherry-pick to v1.9.
**Release note**:
```release-note
Get windows kernel version directly from registry
```
/cc @JiangtianLi @taylorb-microsoft
Automatic merge from submit-queue (batch tested with PRs 56995, 58498, 57426, 58902, 58863). 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>.
flag precedence redo
Changes the Kubelet configuration flag precedence order so that flags take precedence over config from files/ConfigMaps.
This should fix the re-parse issue with #56097 that led to revert.
Fixes#56171.
In order to prevent global flags (registered in 3rd party libs, etc.) from leaking into the command's help text, this PR turns off Cobra's flag parsing in the `kubelet` command and re-implements help and usage funcs for the Kubelet. Cobra's default funcs automatically merge all global flags into the command's flagset, which results in incorrect help text. I tried to keep the formatting as close as possible to the what the Kubelet currently produces.
Diff between Kubelet's help text on `upstream/master` vs `mtaufen/kc-flags-precedence-redo`, which shows a leaked flag being removed, but no change to the formatting:
```
diff --git a/upstream.master.help b/mtaufen.kc-flags-precedence-redo.help
index 798a030..0797869 100644
--- a/upstream.master.help
+++ b/mtaufen.kc-flags-precedence-redo.help
@@ -30,7 +30,6 @@ Flags:
--authorization-mode string Authorization mode for Kubelet server. Valid options are AlwaysAllow or Webhook. Webhook mode uses the SubjectAccessReview API to determine authorization. (default "AlwaysAllow")
--authorization-webhook-cache-authorized-ttl duration The duration to cache 'authorized' responses from the webhook authorizer. (default 5m0s)
--authorization-webhook-cache-unauthorized-ttl duration The duration to cache 'unauthorized' responses from the webhook authorizer. (default 30s)
- --azure-container-registry-config string Path to the file containing Azure container registry configuration information.
--bootstrap-checkpoint-path string <Warning: Alpha feature> Path to to the directory where the checkpoints are stored
--bootstrap-kubeconfig string Path to a kubeconfig file that will be used to get client certificate for kubelet. If the file specified by --kubeconfig does not exist, the bootstrap kubeconfig is used to request a client certificate from the API server. On success, a kubeconfig file referencing the generated client certificate and key is written to the path specified by --kubeconfig. The client certificate and key file will be stored in the directory pointed by --cert-dir.
--cadvisor-port int32 The port of the localhost cAdvisor endpoint (set to 0 to disable) (default 4194)
```
Ultimately, I think we should implement a common lib that K8s components can use to generate clean help text, as the global flag leakage problem affects all core k8s binaries. I would like to do so in a future PR, to keep this PR simple. We could base the help text format on the default values returned from `Command.HelpTemplate` and `Command.UsageTemplate`. Unfortunately, the template funcs used to process these defaults are private to Cobra, so we'd have to re-implement these, or avoid using them.
```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>.
clean up unused const
**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
```
all remaining scalers were replaced by GenericScaler exept JobScaler.
It is not clear whether JobScaler could use generic scaler or not.
For more details see the pull request.
This patch fixes a regression introduced by
https://github.com/kubernetes/kubernetes/pull/51751 in the CRI
interface.
That commit actually changed a unit test where we were previously *not*
assuming anything about an image name.
Before that commit, if you send the image "busybox" through the CRI,
the container runtime receives "busybox". After that patch the
container runtime gets "docker.io/library/busybox".
While that may be correct for the internal kube dockershim, in the CRI
we must not assume anything about image names. The ImageSpec is not
providing any spec around the image so the container runtime should
just get the raw image name from the pod spec. Every container runtime
can handle image names the way it wants. The "docker.io" namespace is
not at all "standard", CRI-O is not following what the docker UI say
since that's the docker UI. We should not focus the CRI on wrong UI
design, especially around a default namespace.
ImageSpec is not standardized yet:
https://github.com/kubernetes/kubernetes/issues/46255 and
https://github.com/kubernetes/kubernetes/issues/7203
This is something which should land in 1.9 as well since the regression
is from 1.8.
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
This changes the Kubelet configuration flag precedence order so that
flags take precedence over config from files/ConfigMaps.
See #56171 for rationale.
Note: Feature gates accumulate with the following
precedence (greater number overrides lesser number):
1. file-based config
2. dynamic cofig
3. flag-based config
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Clean up unused functions and consts
**What this PR does / why we need it**:
Clean up unused functions and consts.
**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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Abstract cmd valid args get behind the factory
**What this PR does / why we need it**:
This abstract retrieving the list of handled resources for valid args as a function to follow more conventions.
**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
```
This package contains only placeholders without actual implementation.
Since it is not currently under active development, remove it to avoid
unnecessary change needed whenever the interface is changed.
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Prefer exact resource name matches to shortname expansions
Prevents a shortname of "pod" or "pods" from taking precedence over an exact resource name match
```release-note
NONE
```
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Removal of KubeletConfigFile feature gate: Step 1
This feature gate was redundant with the `--config` flag, which already
enables/disables loading Kubelet config from a file.
Since the gate guarded an alpha feature, removing it is not a violation
of our API guidelines.
Some stuff in `kubernetes/test-infra` currently sets the gate,
so removing will be a 3 step process:
1. This PR, which makes the gate a no-op.
2. Stop setting the gate in `kubernetes/test-infra`.
3. Completely remove the gate (this PR will get the release note).
```release-note
NONE
```
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Add allowPrivilegeEscalation to kubectl describe psp
**What this PR does / why we need it**:
Add allowPrivilegeEscalation to kubectl describe psp
**Which issue(s) this PR fixes**
Fixes#57974
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
