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Listing pods only once when getting pods for RS in deployment
Fixes#26834
1. Avoid ranging over RSes and then `List` pods of each RS. Instead, `List` pods of the deployment once, and then filter pods of each RS.
2. Avoid using clientset to `List` pods in deployment controller. Use podStore instead. (TODO in some functions because the unit tests don't have podStore.)
@kubernetes/deployment
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rkt: Fix incomplete selinux context string when the option is partial.
Fix "EmptyDir" e2e tests failures caused by #https://github.com/kubernetes/kubernetes/pull/24901
As mentioned in https://github.com/kubernetes/kubernetes/pull/24901#discussion_r61372312
We should apply the selinux context of the rkt data directory (/var/lib/rkt) when users do not specify all the selinux options.
Due to my fault, the change was missed during rebase, thus caused the regression.
After applying this PR, the e2e tests passed.
```
$ go run hack/e2e.go -v -test --test_args="--ginkgo.dryRun=false --ginkgo.focus=EmptyDir"
...
Ran 19 of 313 Specs in 199.319 seconds
SUCCESS! -- 19 Passed | 0 Failed | 0 Pending | 294 Skipped PASS
```
BTW, the test is removed because the `--no-overlay=true` flag will only be there on non-coreos distro.
cc @euank @kubernetes/sig-node
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Add specific error type for "operation already exists" error.
PersistentVolume controller needs to know why scheduling a new operation has failed - if the operation was already running or some other error happened.
Automatic merge from submit-queue
Sort revisions in rollout history as integers
Previously keys were sorted as strings, thus it was possible to see such order as 1, 10, 2, 3, 4, 5.
fixes: #25788
Automatic merge from submit-queue
Make UnsafeConversion fast by inlining copies
Not ready yet (need to add a copy to "safe" conversion and add mutation tests to roundtrip api/serialization_test).
Cuts another 10% off decode and encode.
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Increase goroutinemap unit test timeouts.
50ms is flaky in Jenkins. This makes the test to take at least 0.5s to check that things that should block and wait for something really do block and wait (was 100ms before).
Fixes#25825
Previously keys were sorted as strings, thus it was possible
to see such order as 1, 10, 2, 3, 4, 5.
Ints64 helper implemented in util/slice module to sort []int64
Automatic merge from submit-queue
Cache Webhook Authentication responses
Add a simple LRU cache w/ 2 minute TTL to the webhook authenticator.
Kubectl is a little spammy, w/ >= 4 API requests per command. This also prevents a single unauthenticated user from being able to DOS the remote authenticator.
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Only expose top N images in `NodeStatus`
Fix#25209
Sorted the image and only pick set top 50 sized images in node status.
cc @vishh
Automatic merge from submit-queue
Fixes panic on round tripper when TLS under a proxy
When under a proxy with a valid cert from a trusted authority, the `SpdyRoundTripper` will likely not have a `*tls.Config` (no cert verification nor `InsecureSkipVerify` happened), which will result in a panic. So we have to create a new `*tls.Config` to be able to create a TLS client right after. If `RootCAs` in that new config is nil, the system pool will be used.
@ncdc PTAL
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PersistentVolume controller needs to know why scheduling a new operation has
failed - if the operation was already running or some other error happened.
Automatic merge from submit-queue
Make IsQualifiedName return error strings
Part of the larger validation PR, broken out for easier review and merge.
@lavalamp FYI, but I know you're swamped, too.
Automatic merge from submit-queue
Rate limitting requeue
I think this will do what I want in almost every case. I'm going to try it out for a single writer quota evaluation.
`NewRateLimitingQueue(NewControllerRateLimiter(qps, burst))` gives an `AddRateLimited(item)` that backs off based on the max of a bucket and exponential backoff per item.
@liggitt Want to see if the interface works for you too?
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