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CRI: Add security context for sandbox/container
Part of #29478. This PR
- adds security context for sandbox and fixes#33139
- encaps container security context to `SecurityContext` and adds missing features
- Note that capability is not fully accomplished in this PR because it is under discussion at #33614.
cc/ @yujuhong @yifan-gu @Random-Liu @kubernetes/sig-node
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Fix kubectl drain for statefulset
Support deleting pets for `kubectl drain`.
Use evict to delete pods.
Fixes: #33727
```release-note
Adds support for StatefulSets in kubectl drain.
Switches to use the eviction sub-resource instead of deletion in kubectl drain, if server supports.
```
@foxish @caesarxuchao
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Rename experimental-runtime-integration-type to experimental-cri
Also rename the field in the component config to `EnableCRI`
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copy PodInitialized condition to v1
Copied from pkg/api/types.go
I might batch this change with other similar changes, but want to gets this reviewed first.
cc @dchen1107 @yujuhong
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Default kube-proxy to the old behavior for proxier sync.
Fix#36281.
This PR defaults `minSyncPeriod` to 0 and makes kube-proxy fall back to the old behavior to fix the immediate problem #36266.
@bprashanth
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Fix config file names inside fluentd-gcp image
Need this in order to merge https://github.com/kubernetes/kubernetes/pull/36358
Because on container-vm we need implicitly used configuration file
@piosz
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Fix a data race condition in federation namespace controller
Fixes https://github.com/kubernetes/kubernetes/issues/36364
Fixing federation namespace controller to create a copy of namespace fetched from the store before editing it. Without it there is a data race condition with other readers of the store.
cc @kubernetes/sig-cluster-federation @mwielgus @madhusudancs
The e2e tests cover cases like cluster size changed, parameters
changed, ConfigMap got deleted, autoscaler pod got deleted, etc.
They are separated into a fast part(could be run parallelly) and
a slow part(put in [serial]). The fast part of the e2e tests cost
around 50 seconds to run.
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Add verify script for federation OpenAPI spec generation
We are missing hack/verify-federation-openapi-spec.sh. It should be something similar to hack/verify-openapi-spec.sh.
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Add rescheduler logs to the fluentd-gcp configuration
Fix#36227
Allows fluentd-gcp plugin to collect rescheduler logs from master node and store in the logging backend.
@piosz
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Rename ScheduledJobs to CronJobs
I went with @smarterclayton idea of registering named types in schema. This way we can support both the new (CronJobs) and old (ScheduledJobs) resource name. Fixes#32150.
fyi @erictune @caesarxuchao @janetkuo
Not ready yet, but getting close there...
**Release note**:
```release-note
Rename ScheduledJobs to CronJobs.
```
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Update fluentd-gcp configuration
Related to #32762
Though it's not a final solution to the fluentd OOM problems, it increases number of logs that can be handled without losses by
- switching to the file buffering, making buffering mechanism more resilient
- decreasing size of the buffer, decreasing the amount of memory needed
- decreasing number of threads handling the load, since number of chunks is lower than previous number of threads
which results in decrease in theoretical throughput. Tests to confirm cases covered by this change will follow.
cc @piosz @edsiper @repeatedly please take look and confirm that all of these changed are meaningful.
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Fix hack/local-up by declaring defaults for unbound env vars
The variables were not defaulted and caused hack/local-up-cluster to not work.
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azure: loadbalancer rules use DSR
**What this PR does / why we need it**:
Enables "direct server return" on the load balancer in Azure, which causes the DIP to be preserved when traffic goes through the load balancer. This enables service traffic to go to the Service Port rather than having to go through the NodePort.
**Special notes for your reviewer**:
N/A.
**Tested with...**:
```shell
kubectl run nginx --image=nginx
kubectl run nginx2 --image=nginx
kubectl expose deployment nginx --port=80 --type=LoadBalancer
kubectl expose deployment nginx2 --port=80 --type=LoadBalancer
```
Ensuring that both services got external IPs and that the resources created looked correct.
**Release note**:
```release-note
azure: load balancer preserves destination ip address
```
CC: @brendandburns
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Adding more e2e tests for federated namespace cascading deletion and fixing bugs
Ref https://github.com/kubernetes/kubernetes/issues/33612
Adding more e2e tests for testing cascading deletion of federated namespace.
New tests are now verifying that cascading deletion happen when DeletionOptions.OrphanDependents=false and it does not happen when DeleteOptions.OrphanDependents=true.
Also updated deletion helper to always add OrphanFinalizer. generic registry will remove it if DeleteOptions.OrphanDependents=false. Also updated namespace registry to do the same.
We need to add the orphan finalizer to keep the orphan by default behavior. We assume that its dependents are going to be orphaned and hence add that finalizer. If user does not want the orphan behavior, he can do so using DeleteOptions and then the registry will remove that finalizer.
cc @kubernetes/sig-cluster-federation @caesarxuchao @derekwaynecarr
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Restore old apiserver cert CN
This patch got lost during rebase of https://github.com/kubernetes/kubernetes/pull/35109:
- set `host@<unix-timestamp>` as CN in self-signed apiserver certs
- skip non-domain CN in getNamedCertificateMap
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