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Read manifest directory in Kubelet immediately to speed up cluster startup in GCE
This eliminated unnecessary 20s on cluster startup.
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Update output format so that it matches actual accepted values
/assign @juanvallejo
**Release note**:
```release-note
NONE
```
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fix ipset creation fails on centos. issue 65461
**What this PR does / why we need it**:
remove usage of ipset comment extension because ipset versions on centos 7.x don't support comment yet.
See the issue #65461
**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#65461
**Special notes for your reviewer**:
The comments for corresponding iptable rules are left untouched.
**Release note**:
```
NONE
```
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azure: Add validation of resourceGroup option.
ResourceGroup can be set only on `kind: Managed` disks.
**Release note**:
```release-note
NONE
```
/assign @andyzhangx
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fix a typo error in description
**What this PR does / why we need it**:
fix a typo error in description
**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 typo brance -> brace
**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**:
fix typo brance -> brace
**Release note**:
```release-note
None
```
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Make various fixes to flex tests and fix some crashes
* Fixes two controller-manager crashes when a flex plugin gets removed from flex directory.
* Also enables e2e tests to run in local clusters and other environments.
* Removes disruptive from flex e2e tests because flex can be installed in a running cluster and does not require kubelet or controller-manager restart anymore.
/sig storage
cc @verult @jsafrane
```release-note
Fix controller-manager crashes when flex plugin is removed from flex plugin directory
```
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make builder tolerant of restmapper failures when it doesn't need answer
@kubernetes/sig-cli-maintainers
The restmapper, category expander, and client are not required for local lookups. Make them late binding functions instead of building and gathering errors early.
/assign @soltysh @juanvallejo
```release-note
NONE
```
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Allow override of AllowCreateOnUpdate with new argument to Update
**What this PR does / why we need it**:
Changes the Update function signature to include a new bool which tells storage to override what the UpdateStrategy returns for AllowCreateOnUpdate. This is not exposed to the user, the handler is the one that sets this override value. Eventually the patch handler will set this to true, in order to provide more consistent apply behavior, without changing the existing PUT behavior.
Redo of https://github.com/kubernetes/kubernetes/pull/65075 but on master to reduce number of conflicts when we merge feature-serverside-apply with master.
/sig api-machinery
/cc @apelisse @lavalamp
**Release note**:
```release-note
NONE
```
No release note because this is just an internal change
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Unify log messages in pkg/kubectl/cmd/util/helpers.go
**What this PR does / why we need it**:
Unify a flag fatal message from "err accessing ..." to "**error** accessing ...", follow the word of other messages in _pkg/kubectl/cmd/util/helpers.go_.
**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**:
Very glad to open my first PR for kubernetes, thanks.
**Release note**:
```release-note
NONE
```
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fix a log param error
**What this PR does / why we need it**:
As the patch shows, it fix a small log param error in pkg/kubectl/cmd/get/get.go
**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 missing error handling in schema-related code
**What this PR does / why we need it**:
Adds missing error handling to a few places.
**Which issue(s) this PR fixes**
Updates #51457. Still more work to do to fix the issue - client generation code needs to be updated (addressed in https://github.com/kubernetes/kubernetes/pull/64664).
**Release note**:
```release-note
NONE
```
/kind bug
/sig api-machinery
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Fixes docs mismatched with implementation
**What this PR does / why we need it**:
Some document is far different with the implementation, which is really confusing.
Manually fixed them and appended more information.
**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 missing protocol match in ipvs mode
**What this PR does / why we need it**:
fix missing protocol match in ipvs mode. See issue #65574
**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#65574
**Special notes for your reviewer**:
Tested cases:
- ClusterIP distributed to pod on same node
- ClusterIP distributed to pod on other node
- NodePort distributed to pod on same node
- NodePort distributed to pod on other node
**Release note**:
```release-note
```
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skip nic that are in failing state
**What this PR does / why we need it**: this fixes partially #65025. Currently when getting primary NIC for VMSS the provisioning state isn't returned.
**Which issue(s) this PR fixes** : Fixes partially (for VMAS) #65025
**Special notes for your reviewer**:
/assign @feiskyer
**Release note**:
```release-note
skip nodes that have a primary NIC in a 'Failed' provisioningState
```
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scheduler: update tests to use sub-benchmarks (pkg/scheduler/cache)
**What this PR does / why we need it**:
Go 1.7 added the subtest feature which can make table-driven tests much easier to run and debug. Some tests are not using this feature.
Further reading: [Using Subtests and Sub-benchmarks](https://blog.golang.org/subtests)
/kind cleanup
**Release note**:
```release-note
NONE
```
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Setup TLS with CA Cert for vsphere cloud provider
- Extend config to take a path to a CA Certificate
- Use the CA Cert when establishing a connection with the SOAP client
Testing
We provide certs and keys for tests as fixtures, `vclib/fixtures`.
Those were created (and can be regenerated) using `vclib/fixtures/createCerts.sh`.
At the moment it's possible to configure a CA path and at the same time allow insecure
communication between vsphere cloud provider and vcenter. This may
change in the future; we might opt for overwriting the insecure
communication if a CA is configured / log and transparently pass the
arguments to the vcenter command / other. To be discussed.
At the moment the CA is a global level configuration. In other
words, all vcenter servers need to use certificates signed by the same
CA. There might be use cases for different CA per vcenter server; to be
discussed.
**What this PR does / why we need it**:
This PR adds the option of configuring a trusted CA for the communication between the vsphere cloud provider and the vcenter control plane.
**Which issue(s) this PR fixes**:
Fixes#64222
**Special notes for your reviewer**:
**Release note**:
```release-note
- Can configure the vsphere cloud provider with a trusted Root-CA
```
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ipvs: remove duplicated masq rules
Duplicated masq rules are created by current implementation:
```
-A KUBE-NODE-PORT -m comment --comment "mark MASQ for
externaltrafficpolicy=cluster" -j KUBE-MARK-MASQ
-A KUBE-NODE-PORT -j KUBE-MARK-MASQ
```
The last one is always there. So the one inside if statement could
just be removed.
**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)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Fix local volume directory can't be deleted issue
**What this PR does / why we need it**:
Need to add volume mode field to constructed pv spec.
**Special notes for your reviewer**:
I get an issue:
1) kubelet has lots of logs with errors related with volume mode
```
Jun 21 10:31:18 kubelet[19333]: E0621 10:31:18.422321 19333 reconciler.go:179] operationExecutor.NewVolumeHandler for UnmountVolume failed for volume "lv-e57cf589-4658-4881-b125-7b9f35c2c8eb" (UniqueName: "kubernetes.io/local-volume/4103e613-656c-11e8-8c20-74dbd180ddb4-lv-e57cf589-4658-4881-b125-7b9f35c2c8eb") pod "4103e613-656c-11e8-8c20-74dbd180ddb4" (UID: "4103e613-656c-11e8-8c20-74dbd180ddb4") : cannot get volumeMode for volume: lv-e57cf589-4658-4881-b125-7b9f35c2c8eb
Jun 21 10:31:18 kubelet[19333]: E0621 10:31:18.422351 19333 reconciler.go:179] operationExecutor.NewVolumeHandler for UnmountVolume failed for volume "lv-b1e788ac-78eb-4d26-819a-263cef5337ea" (UniqueName: "kubernetes.io/local-volume/4082c1da-656c-11e8-8c20-74dbd180ddb4-lv-b1e788ac-78eb-4d26-819a-263cef5337ea") pod "4082c1da-656c-11e8-8c20-74dbd180ddb4" (UID: "4082c1da-656c-11e8-8c20-74dbd180ddb4") : cannot get volumeMode for volume: lv-b1e788ac-78eb-4d26-819a-263cef5337ea
```
2) The pod is an orphan pod and have the volume directory left at the node
3) Because of the errors, the volume directory will never be deleted
**Release note**:
```release-note
Fix local volume directory can't be deleted because of volumeMode error
```
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Fix test failure of truncated time
**What this PR does / why we need it**:
The test of `TestFsStoreAssignedModified` in `pkg/kubelet/kubeletconfig/checkpoint/store` fails in my environment like below.
```
$ make test WHAT=./pkg/kubelet/kubeletconfig/checkpoint/store/
Running tests for APIVersion: v1,admissionregistration.k8s.io/v1alpha1,admissionregistration.k8s.io/v1beta1,admission.k8s.io/v1beta1,apps/v1beta1,apps/v1beta2,apps/v1,authentication.k8s.io/v1,authentication.k8s.io/v1beta1,authorization.k8s.io/v1,authorization.k8s.io/v1beta1,autoscaling/v1,autoscaling/v2beta1,batch/v1,batch/v1beta1,batch/v2alpha1,certificates.k8s.io/v1beta1,coordination.k8s.io/v1beta1,extensions/v1beta1,events.k8s.io/v1beta1,imagepolicy.k8s.io/v1alpha1,networking.k8s.io/v1,policy/v1beta1,rbac.authorization.k8s.io/v1,rbac.authorization.k8s.io/v1beta1,rbac.authorization.k8s.io/v1alpha1,scheduling.k8s.io/v1alpha1,scheduling.k8s.io/v1beta1,settings.k8s.io/v1alpha1,storage.k8s.io/v1beta1,storage.k8s.io/v1,storage.k8s.io/v1alpha1,
+++ [0628 22:53:39] Running tests without code coverage
--- FAIL: TestFsStoreAssignedModified (0.00s)
fsstore_test.go:316: expect "2018-06-28T22:53:43+09:00" but got "2018-06-28T22:53:43+09:00"
FAIL
FAIL k8s.io/kubernetes/pkg/kubelet/kubeletconfig/checkpoint/store 0.236s
make: *** [test] Error 1
```
My environment is
OS: macOS Sierra Version 10.12.6
File System: Journaled HFS+
The error message confused me because the comparing times looked the same in the error log. If we know certain systems truncate times, I think we can just compare less precise times to avoid confusions in tests.
**Special notes for your reviewer**:
N/A
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65518, 65624, 65380, 65390, 65586). 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>.
Remove kubectl delete hack that handles DaemonSet deletion
**What this PR does / why we need it**: follow up #64847
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
/cc @liggitt @soltysh
**Release note**:
```release-note
NONE
```
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deprecate --use-openapi-print-columns in favor of --server-print
server-side printing has been supported since 1.10 with identical output for core kubernetes types, support is available for extension API servers since 1.10, and for CRDs since 1.11.
openapi printing is mutually exclusive with server-side printing (you have to fetch full objects to do openapi printing, and table row output to do server side printing)
openapi printing has many downsides:
* it requires fetching/parsing a very large schema on every get request
* it requires complex object extraction logic be built into every client
* it is limited to literal values that appear in the objects
see discussion of long-term direction between these two approaches in https://github.com/kubernetes/kubernetes/pull/53483
/sig cli
@kubernetes/sig-cli-pr-reviews
/assign @pwittrock @soltysh
```release-note
kubectl: --use-openapi-print-columns is deprecated in favor of --server-print
```
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Fix out of bounds error on non-64-bit machines
This fixes an out of bounds error when running the controllers on a 32-bit machine
```
W0628 17:52:30.171975 1 node_lifecycle_controller.go:782] Missing timestamp for Node kube-master. Assuming now as a timestamp.
I0628 17:52:30.172115 1 taint_manager.go:205] Starting NoExecuteTaintManager
panic: runtime error: index out of range
goroutine 1740 [running]:
k8s.io/kubernetes/pkg/controller/nodelifecycle/scheduler.(*NoExecuteTaintManager).Run.func1(0x165e6000, 0x8, 0x15984100)
/workspace/anago-v1.11.0-rc.3.3+91e7b4fd31fcd3/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/controller/nodelifecycle/scheduler/taint_manager.go:229 +0x1f8
created by k8s.io/kubernetes/pkg/controller/nodelifecycle/scheduler.(*NoExecuteTaintManager).Run
/workspace/anago-v1.11.0-rc.3.3+91e7b4fd31fcd3/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/controller/nodelifecycle/scheduler/taint_manager.go:217 +0x27c
```
See https://play.golang.org/p/rIpicHGHtiT for an example of the coercion overflow
/assign @wojtek-t
/kind bug
```release-note
fixes an out of range panic in the NoExecuteTaintManager controller when running a non-64-bit build
```
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Fix bug printing openapi columns
Fixes#65579
```release-note
kubectl: fixes a regression with --use-openapi-print-columns that would not print object contents
```
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Fix comments about default mount propagation
We changed Private to be default mount propagation scheme but never got around to updating
docs and comments.
/sig storage
cc @jsafrane @liggitt
```release-note
None
```
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kubelet: feature gate LSI capacity calculation
Currently if `cm.cadvisorInterface.RootFsInfo()` fails, the whole kubelet bails. If `/var/lib/kubelet` is on a tmpfs or bindmount, this can happen (this is the case for some of our CI envs https://github.com/openshift/origin/issues/19948).
We would be able to workaround this, in the short term, by disabling the LSI feature gate if the capacity calculate was protected by the gate, but currently it isn't.
This PR adds the gate check around setting the ephemeral storage capacity.
@liggitt @derekwaynecarr @dashpole
It might be a different discussion about whether or not this should be fatal. If it isn't fatal, seems that it would just prevent pods that had a ephemeral storage request from being scheduled.
/sig node
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Revert "certs: only append locally discovered addresses when we got none from the cloudprovider"
This reverts commit 7354bbe5ac.
https://github.com/kubernetes/kubernetes/pull/61869 caused a mismatch between the requested CSR and the addresses in node status.
Instead of computing addresses in two places, the cert manager should derive its CSR request from the addresses in node status. This would enable the kubelet to react to address changes, as well as be driven by an external cloud provider.
/cc @mikedanese
```release-note
NONE
```
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Add support for plugin directory hierarchy
**What this PR does / why we need it**:
Add hierarchy support for plugin directory, it traverses and
watch plugin directory and its sub directory recursively.
plugin socket file only need be unique within one directory,
```
plugin socket directory
|
---->sub directory 1
| |
| -----> socket1, socket2 ...
----->sub directory 2
|
------> socket1, socket2 ...
```
the design itself allow sub directory be anything,
but in practical, each plugin type could just use one sub directory.
**Which issue(s) this PR fixes**:
Fixes#64003
**Special notes for your reviewer**:
twos bonus changes added as below
1) propose to let pluginWatcher bookkeeping registered plugins,
to make sure plugin name is unique within one plugin type.
arguably, we could let each handler do the same work, but it requires
every handler repeat the same thing.
2) extract example handler out from test, it is easier to read the code with the
seperation.
**Release note**:
```release-note
N/A
```
/sig node
/cc @vikaschoudhary16 @jiayingz @RenaudWasTaken @vishh @derekwaynecarr @saad-ali @vladimirvivien @dchen1107 @yujuhong @tallclair @Random-Liu @anfernee @akutz
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