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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
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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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Update godep to 3.0.14 to match release recommendations.
Updates godep and regen of bazel build output.
/cc @wojtek-t
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Add more events to disruption controller
To provide users with information that their PDB may not be working as intended.
cc: @davidopp
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[RFC] Prepare for deprecating NodeLegacyHostIP
Ref https://github.com/kubernetes/kubernetes/issues/9267#issuecomment-257994766
*What this PR does*
- Add comments saying "LegacyHostIP" will be deprecated in 1.7;
- Add v1.NodeLegacyHostIP to be consistent with the internal API (useful for client-go migration #35159)
- Let cloudproviders who used to only set LegacyHostIP set the IP as both InternalIP and ExternalIP
- Master used to ssh tunnel to node's ExternalIP or LegacyHostIP to do [healthz check](https://github.com/kubernetes/kubernetes/blame/master/pkg/master/master.go#L328-L332). OTOH, if on-prem, kubelet only [sets](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/kubelet_node_status.go#L430-L431) LegacyHostIP or InternalIP. In order to deprecate LegacyHostIP in 1.7, I let healthz check to use InternalIP if ExternalIP is not available. (The healthz check is the only consumer of LegacyHostIP in k8s.)
@liggitt @justinsb @bgrant0607
```release-note
LegacyHostIP will be deprecated in 1.7.
```
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[Federation][init-10c] Fix hyperkube binary path in the image and disable auth mechanisms we don't support for now.
Please review only the last commit here. This is based on PR #36047 which will be reviewed independently.
Design Doc: PR #34484
cc @kubernetes/sig-cluster-federation @nikhiljindal
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Add caching for discovery info with invalidation on cache-miss
TODO:
- [x] write tests for `CachedDiscoveryClient`
- [x] write tests for `DeferredDiscoveryRESTMapper` on cache-miss
- [x] find better way/structure to get rid of `invalidateCh` in c06ba3175b
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Fix LBaaS version detection in openstack cloudprovider
`lbversion` is the local variable used for version detection when `os.lbOpts.LBVersion` is not specified.
xref https://bugzilla.redhat.com/show_bug.cgi?id=1391837
@ncdc @derekwaynecarr @anguslees
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Fix possible race in operationNotSupportedCache
Because we can run multiple workers to delete namespaces simultaneously, the
operationNotSupportedCache needs to be guarded with a mutex to avoid concurrent
map read/write errors.
