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CoreDNS to use gcr.io repo
**What this PR does / why we need it**:
Switch CoreDNS to use the gcr.io in kubeadm
**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
CoreDNS deployment configuration now uses k8s.gcr.io imageRepository
```
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Fix kubeadm for v1alpha1 configs
Signed-off-by: Chuck Ha <ha.chuck@gmail.com>
**What this PR does / why we need it**:
This PR allows v1alpha1 configurations to still work when running `kubeadm init`.
**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#884
**Special notes for your reviewer**:
```release-note
NONE
```
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kubeadm lowercases all domain names passed as additional SANs
**What this PR does / why we need it**:
Some domains, like ELBs, output a domain name with uppercase letters. To
accept these, we lowercase all arguments passed to ----apiserver-cert-extra-sans
**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 #[kubeadm/827](https://github.com/kubernetes/kubeadm/issues/827)
```release-note
NONE
```
This PR implements the function to return attachable volume limit based
on machineType for GCE PD. This is part of the design in kubernetes/community#2051/
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GCE PD plugin now prevents attaching a regional PD PV with pdName of …
…a regular PD
**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#63317
/sig storage
/sig gcp
/assign @msau42 @saad-ali
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housekeeping: improved language used in ISSUE_TEMPLATE.md
**What this PR does / why we need it**:
Improves language seen/experienced by developers that raise issues on GitHub.
**Special notes for your reviewer**:
If you have better ideas - edit my PR and 🚢
**Release note**:
```release-note
NONE
```
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Fix quota sync
**What this PR does / why we need it**:
In quota sync, scope selectors were being missed to match and thus at the time of sync, incorrect usage stats were getting updated.
**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
```
/priority important-soon
/sig scheduling
/sig node
/cc @resouer @derekwaynecarr @sjenning @bsalamat @timstclair @aveshagarwal @smarterclayton
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apiextensions: allow Description at root with status subresource
Allows `Description` at the root of the schema when the status subresource is enabled.
**Release note**:
I'll update the original PR, which allowed `Required`, to de-duplicate the release notes.
```release-note
NONE
```
/assign sttts
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Upgrade container-storage-interface/spec dependency to v0.3.0
Also updated golang/protobuf to v1.1.0 to satisfy hard requirement of new CSI Spec version
/sig storage
/kind enhancement
/assign @saad-ali
```release-note
Updated Container Storage Interface specification version to v0.3.0
```
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Delegate map operation to BlockVolumeMapper plugin
**What this PR does / why we need it**:
This PR refactors the volume controller's operation generator, for block mapping, to delegate core block mounting sequence to the `volume.BlockVolumeMapper` plugin instead of living in the operation generator. This is to ensure better customization of block volume logic for existing internal volume plugins.
**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#64093
```release-note
NONE
```
/sig storage
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Use default seccomp profile for GCE manifests
**What this PR does / why we need it**:
This PR sets the default seccomp profile of unprivileged addons to 'docker/default' for GCE manifests. This PR is a followup of #62662. We are using 'docker/default' instead of 'runtime/default' in addons in order to handle node version skew. When seccomp profile is applied automatically by default later, we can remove those annotations.
This is PR is part of #39845.
**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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Drop capabilities of CoreDNS container and run in read-only
**What this PR does / why we need it**: Make the CoreDNS container more secure by dropping (root) capabilities. Improve the integrity of the of the container by running the whole container in read-only.
**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**:
Same [changes](aba0245609) as in the CoreDNS deployment repository.
**Release note**:
```release-note
Kubeadm: Make CoreDNS run in read-only mode and drop all unneeded privileges
```
Some domains, like ELBs, output a domain name with uppercase letters. To
accept these, we lowercase all arguments passed to ----apiserver-cert-extra-sans
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Add exit code 1 on not allowed to kubectl auth can-i
What this PR does / why we need it:
kubectl auth can-i verb resource always returns 0 status, even if the user can't <verb> <resource>
With this commit, kubectl will return exit code 1 when a verb is not allowed. It doesn't affect quiet option.
Release note:
```release-note
Fix kubectl auth can-i exit code. It will return 1 if the user is not allowed and 0 if it's allowed.
```
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apply global flag "context" for kubectl config view
**What this PR does / why we need it**:
`--context` is a global flag, which should be applied to `kubectl config view` as well when minifying.
Currently this command is only available for `current-context`. With this PR, it will be easier for users to view other non current contexts when minifying.
**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#64583
**Special notes for your reviewer**:
/cc soltysh juanvallejo
**Release note**:
```release-note
apply global flag "context" for kubectl config view --minify
```
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Fix panic while provisioning Azure security group rules
**What this PR does / why we need it**:
kube-controller-manager panic when provisioning Azure security group rules, especially when securityGroupName is wrong configured. This PR fixes the issue.
**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#64716
**Special notes for your reviewer**:
Should also cherry pick to release-1.10.
**Release note**:
```release-note
Fix kube-controller-manager panic while provisioning Azure security group rules
```
Fix kubectl -o error message:
Before this change:
```shell
kubectl get pods -o foo
error: unable to match a printer suitable for the output format "" and the options specified: &get.PrintFlags{JSONYamlPrintFlags:(*genericclioptions.JSONYamlPrintFlags)(0x23aa610), NamePrintFlags:(*genericclioptions.NamePrintFlags)(0xc42058b4e0), TemplateFlags:(*printers.KubeTemplatePrintFlags)(0xc4206765e0), CustomColumnsFlags:(*printers.CustomColumnsPrintFlags)(0xc420676620), HumanReadableFlags:(*get.HumanPrintFlags)(0xc4204eb180), NoHeaders:(*bool)(0xc4206fefbc), OutputFormat:(*string)(0xc42058b4d0)}
```
After this change:
```shell
Kubectl get pods -o foo
error: unable to match a printer suitable for the output format "aaa", allowed formats are: custom-columns,custom-columns-file,go-template,go-template-file,json,jsonpath,jsonpath-file,name,template,templatefile,wide,yaml
```
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kubectl cp support colons-in-filename
**What this PR does / why we need it**:
This is a rebased version of #53127.
/cc @bruceauyeung
**Release note**:
```release-note
NONE
```
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Add support for enforcing read only host paths in PSPs.
**What this PR does / why we need it**:
This PR adds support for the PSP to enforce that host paths are readonly.
**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#57371
xref https://github.com/kubernetes/features/issues/5
**Special notes for your reviewer**:
**Release note**:
```release-note
PodSecurityPolicy now supports restricting hostPath volume mounts to be readOnly and under specific path prefixes
```
/cc @ericchiang @liggitt
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Add gpu cluster upgrade test.
**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**:
Currently running GPUMasterUpgrade test should pass with gpu nodes but running GPUClusterUpgrade test will run into https://github.com/kubernetes/kubernetes/issues/63506
**Release note**:
```release-note
```
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CoreDNS pull image from gcr.io
**What this PR does / why we need it**:
CoreDNS now pulls image from gcr.io
**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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Add azuredisk PV size grow feature
**What this PR does / why we need it**:
According to kubernetes/features#284, add size grow feature for azure disk
**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#56463
**Special notes for your reviewer**:
- This feature is ony for azure managed disk, and if that disk is already attached to a running VM, disk resize will fail as following:
```
$ kubectl describe pvc pvc-azuredisk
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning VolumeResizeFailed 51s (x3 over 3m) volume_expand Error expanding volume "default/pvc-azuredisk" of plugin kubernetes.io/azure-disk : disk.DisksClient#CreateOrUpdate: Failure responding to request: StatusCode=409 -- Original Error: autorest/azure: Service returned an error. Status=409 Code="OperationNotAllowed" Message="Cannot resize disk andy-mg1102-dynamic-pvc-d2d00dd9-6185-11e8-a6c3-000d3a0643a8 while it is attached to running VM /subscriptions/.../resourceGroups/.../providers/Microsoft.Compute/virtualMachines/k8s-agentpool-17607330-0."
```
**How to use this feature**
- `kubectl edit pvc pvc-azuredisk` to change azuredisk PVC size from 6GB to 10GB
```
# Please edit the object below. Lines beginning with a '#' will be ignored,
# and an empty file will abort the edit. If an error occurs while saving this file will be
# reopened with the relevant failures.
#
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
annotations:
...
volume.beta.kubernetes.io/storage-provisioner: kubernetes.io/azure-disk
creationTimestamp: 2018-05-27T08:13:23Z
finalizers:
- kubernetes.io/pvc-protection
name: pvc-azuredisk
...
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 6Gi
storageClassName: hdd
volumeMode: Filesystem
volumeName: pvc-d2d00dd9-6185-11e8-a6c3-000d3a0643a8
status:
accessModes:
- ReadWriteOnce
capacity:
storage: 6Gi
conditions:
- lastProbeTime: null
lastTransitionTime: 2018-05-27T08:14:34Z
message: Waiting for user to (re-)start a pod to finish file system resize of
volume on node.
status: "True"
type: FileSystemResizePending
phase: Bound
```
- After resized, `/mnt/disk` is still 6GB
```
$ kubectl exec -it nginx-azuredisk -- bash
# df -h
Filesystem Size Used Avail Use% Mounted on
...
/dev/sdf 5.8G 15M 5.5G 1% /mnt/disk
...
```
- After user run `sudo resize2fs /dev/sdf` in agent node, `/mnt/disk` becomes 10GB now:
```
$ kubectl exec -it nginx-azuredisk -- bash
# df -h
Filesystem Size Used Avail Use% Mounted on
...
/dev/sdf 9.8G 16M 9.3G 1% /mnt/disk
...
```
**Release note**:
```
Add azuredisk size grow feature
```
/sig azure
/assign @feiskyer @karataliu @gnufied
cc @khenidak
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Modify e2e tests to use priorityClass beta client version & switch priorityClass to beta
**What this PR does / why we need it**:
/cc @bsalamat @aveshagarwal @liggitt
**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 #57471
**Special notes for your reviewer**:
Once #57963 merges, this could go in.
**Release note**:
```release-note
Modify e2e tests to use priorityClass beta version & switch priorityClass feature to beta
```
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Fix error handling in gc e2e test
**What this PR does / why we need it**:
Error messages were not being surfaced in log of GC e2e test, part of fixing #60463
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Fix test tag on dynamic config tests
The test accidentally got turned off when the NodeAlphaFeature tag was
added in #64125. This PR updates the tag to turn it back on.
```release-note
NONE
```
Kubernetes Submit Queue