struct hostPathPlugin contains newRecyclerFunc, newDeleterFunc and newProvisionerFunc items that have only one instance, i.e. newRecycler, newDeleter or newProvisioner function.
That's why the newRecyclerFunc, newDeleterFunc and newProvisionerFunc items are removed and the newRecycler, newDeleter or newProvisioner functions are called directly.
In addition, the TestRecycler tests whether NewFakeRecycler function is called and returns nil. This is no longer needed so this particular part of the test is removed. In addition, the no longer used NewFakeRecycler function is removed also.
Similarly for the NFS plugin, struct nfsPlugin contains newRecyclerFunc item that has only one instance, i.e. newRecycler function. That's why the newRecyclerFunc item is removed and the newRecycler function is called directly. In addition, the TestRecycler tests whether newMockRecycler function is called and returns nil. This is no longer needed so this particular part of the test is removed. In addition, the no longer used newMockRecycler function is removed also.
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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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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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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.
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Fix the crossbuild that #35132 broke
@dashpole @dchen1107 @vishh
A quick LGTM would be nice in order to not block any releases.
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kubelet bootstrap: start hostNetwork pods before we have PodCIDR
Network readiness was checked in the pod admission phase, but pods that
fail admission are not retried. Move the check to the pod start phase.
Issue #35409
Issue #35521
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Add DisruptedPod list to PodDisruptionBudgetStatus
To ensure that PodDisruptionBudget is race free a list of pods that were planned to be disrupted needs to be added to the status. ApiServer when evicting a pod will add it to this list. Disruption controller will skip pods from that list when calculating the number of healthy pods. The pods from the list are removed either when they are gone or when they were not actually disrupted.
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Add missing expansion files to versioned clientset
I copied the expansion functions that only existed in the internalclientset to release_1_5.
Most changes are mechanical. This is needed for migrating k8s to use versioned clientset, so I add the 1.5 milestone.
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CRI: rearrange kubelet rutnime initialization
Consolidate the code used by docker+cri and remote+cri for consistency, and to
prevent changing one without the other. Enforce that
`--experimental-runtime-integration-type` has to be set in order for kubelet
use the CRI interface, *even for out-of-process shims`. This simplifies the
temporary `if` logic in kubelet while CRI still co-exists with older logic.
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SetSelfLink is inefficient
Generating self links, especially for lists, is inefficient. Replace
use of net.URL.String() call with direct encoding that reduces number of
allocations. Switch from calling meta.ExtractList|SetList to a function
that iterates over each object in the list.
In steady state for nodes performing frequently small get/list
operations, and for larger LISTs significantly reduces CPU and
allocations.
@wojtek-t this is the next big chunk of CPU use during the large N nodes simulation test (11% of master CPU). Takes a few allocations out of the critical path
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lister-gen updates
- Remove "zz_generated." prefix from generated lister file names
- Add support for expansion interfaces
- Switch to new generated JobLister
@deads2k @liggitt @sttts @mikedanese @caesarxuchao for the lister-gen changes
@soltysh @deads2k for the informer / job controller changes
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Remove PV annotations for quobyte provisioner
This is the last provisioner that uses annotations to pass secrets from provisioner to deleter.
Fixes#34822
@johscheuer, I don't have access to quobyte, please take look and retest the plugin. An e2e test for quobyte would be nice!
@kubernetes/sig-storage
