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VolumeMode and VolumeDevice api
**What this PR does / why we need it:**
Adds volumeType api to PV and PVC for local block support based on this proposal (https://github.com/kubernetes/community/pull/805) and this feature issue: https://github.com/kubernetes/features/issues/351
**Special notes for your reviewer:**
There are other PR changes coming, this just simply creates the api fields
#53385 - binding logic changes dependent on this change
**Release note:**
NONE
Notes will be added in subsequents PR with the volume plugin changes, CRI, etc...
cc @msau42 @liggitt @jsafrane @mtanino @saad-ali @erinboyd
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OpenStack: fetch volume path from metadata service
**What this PR does / why we need it**:
Updates the OpenStack cloud provider to use the Nova metadata service as a fallback when retrieving mounted PV disk paths. Note that the Nova instance device metadata will contain the disk address and bus, which allows finding its path.
This is needed as the *standard* mechanism of retrieving disk paths is not available when running k8s under OpenStack Hyper-V hosts.
**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#55312
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix issue #55031 to remove dependence on package lxn/win
**What this PR does / why we need it**:
This PR fixes issue #55031 where kubelet.exe crashes on Windows Server Core. The root cause is that kubelet.exe depends on package lxn/win pdh and kernel32 wrapper for node metrics. However, opengl32.dll is not available in Server Core and lxn/win requires the presence of all win32 DLLs.
This PR uses a slim win32 package JeffAshton/win_pdh since most win32 APIs needed are PDH API. Also this PR makes own implementation of GetPhysicallyInstalledSystemMemory until golang Windows syscall has it or lxn/win fixes opengl32 issue. Also this PR modifies the way to get Windows version.
**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#55031
**Special notes for your reviewer**:
**Release note**:
```release-note
```
/sig windows
/sig node
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Table printers and server generation should always copy ListMeta
Tables should be a mapping from lists, so if the incoming object has these add them to the table. Paging over server side tables was broken without this. Add tests on the generic creater and on the resttest compatibility.
@deads2k
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Disable container disk metrics when using the CRI stats integration
Issue: https://github.com/kubernetes/kubernetes/issues/51798
As explained in the issue, runtimes which make use of the CRI Stats API still have the performance overhead of collecting those same stats through cAdvisor.
The CRI Stats API has metrics for CPU, Memory, and Disk. This PR significantly reduces the added overhead due to collecting these stats in both cAdvisor and in the runtime.
This PR disables container disk metrics, which are very expensive to collect.
This PR does not disable node-level disk stats, as the "Raw" container handler does not currently respect ignoring DiskUsageMetrics.
This PR factors out the logic for determining whether or not to use the CRI stats provider into a helper function, as cAdvisor is instantiated before it is passed to the kubelet as a dependency.
cc @kubernetes/sig-node-pr-reviews @derekwaynecarr
/kind feature
/sig node
/assign @Random-Liu @derekwaynecarr
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Move unstructured conversion into pkg/runtime
Scheme conversion should support unstructured conversion natively to
allow going from unstructured to typed and back. It is not a higher
level responsibility to do that conversion because the scheme is the
only one who knows what types it supports.
@liggitt @kubernetes/sig-cli-api-reviews I am going to make Scheme support unstructured in ConvertToVersion and Convert, which means resource.Builder and the CLI can get simpler for all existing use cases where versioned and unstructured need to coexist.
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Adds node auto-repair e2e tests.
This PR adds node auto-repair e2e tests.
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local-up-cluster.sh should start scheduler with FEATURE_GATES
Scheduler is currently started without any feature gates. It should use the same features as the rest of local cluster.
**Release note**:
```release-note
NONE
```
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Retry transient errors when fetching cfssl*.
**What this PR does / why we need it**:
Workaround for #55589.
**Release note**:
```release-note
NONE
```
/cc @shyamjvs FYI
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Ensure config file exists before loading configuration in imagePolicyWebhook
**What this PR does / why we need it**:
ensure config file exists before loading configuration in imagePolicyWebhook
**Which issue(s) this PR fixes**
Fixes#55378
**Release note**:
```release-note
NONE
```
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RBD Plugin: Fix bug in checking command not found error.
**What this PR does / why we need it**:
Fix bug in error checking logic.
`Error()` method of command not found error returned from `command.Run/Output` is not "executable file not found in $PATH". Actually, it's `exec: "<command>": executable file not found in $PATH`.
I followed the logic in https://github.com/kubernetes/kubernetes/blob/v1.9.0-alpha.1/pkg/kubectl/cmd/util/editor/editor.go#L129 to detect command not found error.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
https://play.golang.org/p/yZJxtouUQL
**Release note**:
```release-note
NONE
```
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kubectl explain: ignore trailing period
Fixes#54891
Ignores trailing period for kubectl explain i.e. `kubectl explain ingress.spec.rules.http.paths.` is valid and defaults to `kubectl explain ingress.spec.rules.http.paths`.
**Release note**:
```release-note
NONE
```
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Add kubeadm support for Kubelet Dynamic Configuration
**What this PR does / why we need it**:
This PR will make kubeadm support for Kubelet Dynamic Configuration. This is still WIP (and the code seems ugly). Creating the PR for now to let reviewers see if I understand the feature correctly and am on the right path and what else I'm missing.
**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/28
**Special notes for your reviewer**:
This feature is targeting for 1.9 as alpha.
/cc @luxas @mtaufen @mikedanese
**Release note**:
```release-note
Kubeadm now supports for Kubelet Dynamic Configuration.
```
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Adding mutating webhook admission plugin
Ref #https://github.com/kubernetes/features/issues/492
I made a change to the API to plumb the `Patch` into the response. I'll rebase onto the actual API once https://github.com/kubernetes/kubernetes/pull/55829 is merged.
We should update the release notes to point to the user docs when we have any.
```release-note
Added mutation supports to admission webhooks.
```
TODO:
- [ ] update test image to v6 after #55829 is merged
- [ ] rename the GenericAdmissionWebhook to ValidatingAdmissionWebhook
- [ ] reduce json marshal/unmarshal roundtrip: https://github.com/kubernetes/kubernetes/pull/54892#discussion_r151336838
- [ ] move the matching function to a common package that validating and mutating webhooks can both import.
- [ ] handle namespace GET failure gracefully for fail open webhook?
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Filter out duplicated container stats
**What this PR does / why we need it**:
**Which issue this PR fixes** *
fixes#53514
**Special notes for your reviewer**:
/cc @Random-Liu
Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>
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If mountPath is missing, prefix with root dir.
If `mountPath` is not absolute, add the os-specific root directory as a prefix.
Ref: https://github.com/kubernetes/kubernetes/pull/51240https://groups.google.com/forum/#!topic/kubernetes-sig-storage/k_0Wr2kYkpU
@thockin @saad-ali @andyzhangx
Note to @thockin I left the validation in place, in seems like it is a net win, since it will give a decent
error message to most people, but the fall-back defaulting is there if it doesn't catch 'c:'
I'm happy to rip out the validation if that is preferable to everyone. Let me know.
```release-note
If a non-absolute mountPath is passed to the kubelet, prefix it with the appropriate root path.
```
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[bug fix] TestCascadingDeletion during pull-kubernetes-unit-test flaky
**What this PR does / why we need it**:
fix pull-kubernetes-unit-test flaky.
```
go test -v k8s.io/kubernetes/test/integration/garbagecollector -run TestCascadingDeletion$
panic: close of closed channel
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:58 +0x111
/usr/local/go/src/runtime/panic.go:491 +0x283
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/garbagecollector/graph_builder.go:259 +0xb80
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/garbagecollector/garbagecollector.go:123 +0x39
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/garbagecollector/garbagecollector.go:211 +0x20f
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133 +0x5e
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:134 +0xbd
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:88 +0x4d
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/pkg/controller/garbagecollector/garbagecollector.go:172 +0xd9
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/integration/garbagecollector/garbage_collector_test.go:268 +0xc9
from junit_3a3d564eebb1750e5c904cc525d117617fc0af51_20171113-090812.xml
```
**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#55652
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Use go native func after upgrading to go1.9
**What this PR does / why we need it**:
Since we have already upgraded to go1.9 (#51375), use go native func after upgrading to go1.9.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: #52033
**Special notes for your reviewer**:
/cc @aanm @bowei
**Release note**:
```release-note
NONE
```
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Admission response alt
**What this PR does / why we need it**: This reflects the imperative nature of AdmissionReview. It adds AdmissionRequest and AdmissionResponse in place of status/spec. The AdmissionResponse the allows the mutating webhook to send back a json path with the mutated version of the requested object.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Ref #https://github.com/kubernetes/features/issues/492
**Special notes for your reviewer**:Port of caesarxuchao's fix with outcome of https://github.com/kubernetes/kubernetes/issues/55729
**Release note**:
```release-note
action-required: please update your admission webhook to use the latest [Admission API](https://github.com/kubernetes/api/tree/master/admission).
`admission/v1alpha1#AdmissionReview` now contains `AdmissionRequest` and `AdmissionResponse`. `AdmissionResponse` includes a `Patch` field to allow mutating webhooks to send json patch to the apiserver.
```
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Fix accelerator stats API to follow API conventions.
Introduced in #55188
**Release note**:
```release-note
None
```
AdmissionResponse allows mutating webhook to send apiserver a json patch
to mutate the object.
This reflects the imperative nature of AdmissionReview. It adds
AdmissionRequest and AdmissionResponse in place of status/spec.
The AdmissionResponse the allows the mutating webhook
to send back a json path with the mutated version of the requested
object.
Fixed the integration test to clean up properly.
Switched test image to 1.8v5 to reflect API changes.
Make sure to cache test framework client for cleaup test code.
Switched to pointer for patch type.
Factored in @liggitt's feedback.
Factored in @lavalamp's feedback.
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Refactor Priority Reduce functions
- Reducing the duplicated reduce function by introducing a reduce
function generator that generates common reduce functions.
- Remove logs from reduce function, so it's purely calculating scores.
- Optimize the reduce functions by removing unnecessary conversion to
float64.
**Release note**:
```release-note
None
```
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support mount options in azure file
**What this PR does / why we need it**:
support mount options in azure file
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#37005, #54610
**Special notes for your reviewer**:
@rootfs @karataliu @feiskyer
By default, the dir_mode and file_mode would be 0700, vers would be 3.0, while if user specify `dir_mode`, `file_mode`, `vers` in storage class in `mountOptions` field(see below), then azure file should use user specified mount options.
```
---
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: azurefile
provisioner: kubernetes.io/azure-file
mountOptions:
- dir_mode=0377
- file_mode=0350
- vers=2.1
parameters:
skuName: Standard_LRS
location: westus2
```
**Release note**:
```
support mount options in azure file
```
/sig azure
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Support AWS ECR credentials in China
**What this PR does / why we need it**:
Resolve AWS ECR credentials bug in China region
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
I haven't open any issue yet
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Correct clean up actions in e2e tests
**What this PR does / why we need it**:
Remove the duplicate "cleanup action" code in `test/e2e/e2e.go`, and use the clean up code in test/e2e/framework instead.
**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#55505
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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ColonSeparatedMultimapStringString: allow multiple Set invocations with default override
The first call to Set will clear the map before adding entries;
subsequent calls will simply append to the map.
This makes it possible to override default values with a command-line
option rather than appending to defaults,
while still allowing the distribution of key-value pairs across
multiple flag invocations.
For example: `--flag "a:hello" --flag "b:again" --flag "b:beautiful"
--flag "c:world"` results in `{"a": ["hello"], "b": ["again",
"beautiful"], "c": ["world"]}`
Related: #53833, https://github.com/kubernetes/kubernetes/pull/54643#discussion_r148651257
```release-note
NONE
```
The first call to Set will clear the map before adding entries;
subsequent calls will simply append to the map.
This makes it possible to override default values with a command-line
option rather than appending to defaults,
while still allowing the distribution of key-value pairs across
multiple flag invocations.
For example: `--flag "a:hello" --flag "b:again" --flag "b:beautiful"
--flag "c:world"` results in `{"a": ["hello"], "b": ["again",
"beautiful"], "c": ["world"]}`
