Automatic merge from submit-queue
oidc auth plugin: don't hard fail if provider is unavailable
When using OpenID Connect authentication, don't cause the API
server to fail if the provider is unavailable. This allows
installations to run OpenID Connect providers after starting the
API server, a common case when the provider is running on the
cluster itself.
Errors are now deferred to the authenticate method.
cc @sym3tri @erictune @aaronlevy @kubernetes/sig-auth
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[kubelet] Allow opting out of automatic cloud provider detection in kubelet. By default kubelet will auto-detect cloud providers
fixes#28231
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Fix problems with container restarts and flocker volumes
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The issue is described in #22436. A pod with a flocker volume attached can't be restarted. A complete new pod has to be created, then everything is working fine.
The problem is around the `isReady` check. This ready state is not getting cleaned up for restarting containers. IMHO we don't need this ready state stored at all. Maybe it was meant to not call the flocker API during pod restarts, but I would rather have it removed... (happy about some hints why we need this lines)
I tested it in a AWS/flocker cluster: starting/restarting/rescheduling on another node (in the same zone) works perfectly fine.
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Bump skydns godeps to latest
Update Godeps for github.com/skynetservices/skydns and miekg/dns.
Bump kubedns version to 1.6 with latest skynetservices/skydns code
Built kube-dns for all architectures and pushed containers to gcr.io.
Return immediately when attempting to get a singular resource that isn't found, so that we avoid
printing out a List if the output format is something like json or yaml.
Before:
```
$ kubectl get pod/foo -o yaml
apiVersion: v1
items: []
kind: List
metadata: {}
pods "foo" not found
```
After:
```
$ kubectl get pod/foo -o yaml
pods "foo" not found
```
When using OpenID Connect authentication, don't cause the API
server to fail if the provider is unavailable. This allows
installations to run OpenID Connect providers after starting the
API server, a common case when the provider is running on the
cluster itself.
Errors are now deferred to the authenticate method.
Automatic merge from submit-queue
Lock all possible kubecfg files at the beginning of ModifyConfig.
Prevent concurrent calls to ModifyConfig on the same (or overlapping) kubeconfig files.
Automatic merge from submit-queue
Add error log for Run function in server.go
When clientcmd.BuildConfigFromFlags and os.Hostname return error, there are no log information in Run function, neither did the upper function(main of scheduler), add it, I suggest.
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Ignore cmd/libs/go2idl/generator when running coverage
Temporary fix so we can run coverage (with a PASS).
fixes#24967
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Fixed goroutinemap race on Wait()
sync.WaitGroup produces data races when a GoroutineMap is empty and Wait() and Run() are called at the same time.
From sync.WaitGroup:
> Note that calls with a positive delta that occur when the counter is zero must happen before a Wait.
Fixes#28128
Note that this issue affects only PersistentVolume unit tests.
@saad-ali, PTAL
Fixes#27582
We used to maintain a pointer variable for each process to kill after the
tests finish. @lavalamp suggested using a slice instead, which is a much
cleaner solution. This implements @lavalamp's suggestion and also extends
the idea to tracking directories that need to be removed after the tests finish.
This also means that we should no longer check for nil `killCmd`s inside
`func (k *killCmd) Kill() error {...}` (see #27582 and #27589). If a nil
`killCmd` makes it in there, something is bad elsewhere and we want to see
the nil pointer exception immediately.
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Enhance kubedns pod health checks to cover kubedns container
The existing health check hits port 53, the dnsmasq container, with the same domain name every time. Since dnsmasq looks up and caches results from the kubedns container, running on port 10053, the health check is not covering the kubedns container after the first query (and once every TTL expiration).
This PR enhances the health check to directly hit port 10053 (kubedns) in addition to port 53.
Automatic merge from submit-queue
Substitute federation_domain_map parameter with its value in node bootstrap scripts.
This PR also removes the substitution code we added to the build scripts.
**Release Note**
```release-note
If you use one of the kube-dns replication controller manifest in `cluster/saltbase/salt/kube-dns`, i.e. `cluster/saltbase/salt/kube-dns/{skydns-rc.yaml.base,skydns-rc.yaml.in}`, either substitute one of `__PILLAR__FEDERATIONS__DOMAIN__MAP__` or `{{ pillar['federations_domain_map'] }}` with the corresponding federation name to domain name value or remove them if you do not support cluster federation at this time. If you plan to substitute the parameter with its value, here is an example for `{{ pillar['federations_domain_map'] }`
pillar['federations_domain_map'] = "- --federations=myfederation=federation.test"
where `myfederation` is the name of the federation and `federation.test` is the domain name registered for the federation.
```
cc @erictune @kubernetes/sig-cluster-federation @MikeSpreitzer @luxas
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Automatic merge from submit-queue
Remove duplicated nginx image. Use nginx-slim instead
This PR removes the image `gcr.io/google_containers/nginx:1.7.9` and uses `gcr.io/google_containers/nginx-slim:0.7`.
Besides removing the duplication `1.7.9` is 16 months old.
k8s-merge-robot