Along the way: Fix ginkgo-e2e.sh. This change got dropped in the
original PR, but it was meant to allow a conformance-style
kubectl-auth test and still have a legit cloud provider.
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Disruption e2e: wait for running pods in the table test, too
**What this PR does / why we need it**: Makes the `DisruptionController` tests less flaky.
**Which issue this PR fixes**: fixes#34032
The enum constants are not namespaced. The shorter, unspecifc names are likely
to cause naming conflicts in the future.
Also replace "SandBox" with "Sandbox" in the API.
This change add a container manager inside the dockershim to move docker daemon
and associated processes to a specified cgroup. The original kubelet container
manager will continue checking the name of the cgroup, so that kubelet know how
to report runtime stats.
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e2e: Fix GetReadySchedulableNodesOrDie for taints
**What this PR does / why we need it**:
This changes framework.GetReadySchedulableNodesOrDie and
framework.GetMasterAndWorkerNodesOrDie so that nodes that can't take a
generic fake pod due to a taint/toleration mismatch aren't returned.
This is a rehash of #35210, but pulls in the scheduler code.
**Which issue this PR fixes**: c.f. #35210
**Special notes for your reviewer**: I think it's gross that we keep having to manually compute this in e2es. Maybe we need a bug for that?
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Eviction manager evicts based on inode consumption
Fixes: #32526 Integrate Cadvisor per-container inode stats into the summary api. Make the eviction manager act based on inode consumption to evict pods using the most inodes.
This PR is pending on a cadvisor godeps update which will be included in PR #35136
This changes framework.GetReadySchedulableNodesOrDie and
framework.GetMasterAndWorkerNodesOrDie so that nodes that can't take a
generic fake pod due to a taint/toleration mismatch aren't returned.
This is a rehash of #35210, but pulls in the scheduler code.
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Add tooling to generate listers
Add lister-gen tool to auto-generate listers. So far this PR only demonstrates replacing the manually-written `StoreToLimitRangeLister` with the generated `LimitRangeLister`, as it's a small and easy swap.
cc @deads2k @liggitt @sttts @nikhiljindal @lavalamp @smarterclayton @derekwaynecarr @kubernetes/sig-api-machinery @kubernetes/rh-cluster-infra
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Only set sysctls for infra containers
We did set the sysctls for each container in a pod. This opens up a way to set un-whitelisted sysctls during upgrade from v1.3:
- set annotation in v1.3 with an un-whitelisted sysctl. Set restartPolicy=Always
- upgrade cluster to v1.4
- kill container process
- un-whitelisted sysctl is set on restart of the killed container.
Run:
etcd &
kube-apiserver --etcd-servers=... ...
UPDATE_NODE_APISERVER go test ./test/integration/master
-test.run=TestUpdateNodeObjects -test.v -tags integration
Simulates the core update loops from nodes to the API server, allowing
baseline profiling for steady state of large clusters. May require
tweaking the http.Transport used by the client to support >N idle
connections to the master.
kubeadm during initialization of master and slave nodes need to make
several API calls directly to the node where it is running or master.
In environments with http/https proxies, user might accidentally
have configuration where connections to API would go over proxy instead
of directly.
User can re-run kubeadm with corrected NO_PROXY variable. Example:
$ NO_PROXY=* kubeadm join ...
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remove non-reuseable bits of MasterServer
Scrub `master.go` again. I think I'm pretty happy with this shape. I may promote `InstallAPIs` since we're likely to want it downstream.
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SELinux Overhaul
Overhauls handling of SELinux in Kubernetes. TLDR: Kubelet dir no longer has to be labeled `svirt_sandbox_file_t`.
Fixes#33351 and #33510. Implements #33951.
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Add SNI support to the apiserver
This PR adds the `--tls-sni-key-cert` flag to the apiserver. It can be passed multiple times in the following ways:
``` shell
$ apiserver \
--tls-sni-cert-key '*.example.com,example.com: example.key,example.crt' \
--tls-sni-cert-key 'foo.key,foo.crt'
```
The first variant explicitly sets the accepted domain names, the second variant reads the common names and DNS names from the certificate itself.
If no domain name matches, the existing certificate (`--tls-cert-file`) is used.
``` golang
fs.Var(config.NewNamedCertKeyArray(&s.SNICertKeys), "tls-sni-cert-key", ""+
"A pair of x509 certificate and private key file paths, optionally prefixed with a list of "+
"domain patterns which are fully qualified domain names, possibly with prefixed wildcard "+
"segments. If no domain patterns are provided, the names of the certificate are "+
"extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns "+
"trump over extracted names. For multiple key/certificate pairs, use the "+
"--tls-sni-key-cert multiple times. "+
"Examples: \"example.key,example.crt\" or \"*.foo.com,foo.com:foo.key,foo.crt\".")
```
``` release-note
Add SNI support to the apiserver
Pass multiple certificates and domain name patterns with `--tls-sni-cert-key` and the right certificate will be chosen depending on the url the client is using.
```
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Correct the article in generated documents
**What this PR does / why we need it**:
Fix the article in generated docs for "create/delete [article] [kind]"
**Which issue this PR fixes**
fixes#32305
**Special notes for your reviewer**:
None
**Release note**:
``` release-note
Correct the article in generated documents
```
For example:
"a Ingress" > "an Ingress"
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Alternative unsafe copy
Have run this for 2 hours in the stresser without an error (no guarantee).
@wojtek-t can we do a 500 kubemark run with this prior to merge?
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Update PodAntiAffinity to ignore calls to subresources
@smarterclayton I hit this when I was trying to evict a pod, apparently k8s does not have this particular admission plugin on by default. ptal
@mml @davidopp fyi
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Allow apiserver to choose preferred kubelet address type
Follow up to #33718 to stay compatible with clusters using DNS names for master->node communications. Adds the `--kubelet-preferred-address-types` apiserver flag for clusters that prefer a different node address type.
```release-note
The apiserver can now select which type of kubelet-reported address to use for master->node communications, using the --kubelet-preferred-address-types flag.
```
Mike Danese