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A few changes to federated-service e2e test.
Most of the changes that get the test to pass have been made already or
elsewhere. Here we restructure a bit fixing a nesting problem, extend the
timeouts, and start creating distinct backend pods that I'll delete in the
non-local test (coming shortly).
Also some extra debugging info in the DNS code. I made some upstream
changes to skydns in https://github.com/skynetservices/skydns/pull/283
For #27739
Includes a commit from @madhusudancs that I will remove once his merges.
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federation: Updating KubeDNS to try finding a local service first for federation query
Ref https://github.com/kubernetes/kubernetes/issues/26762
Updating KubeDNS to try to find a local service first for federation query.
Without this change, KubeDNS always returns the DNS hostname, even if a local service exists.
Have updated the code to first remove federation name from path if it exists, so that the default search for local service happens. If we dont find a local service, then we try to find the DNS hostname.
Will appreciate a strong review since this is my first change to KubeDNS.
https://github.com/kubernetes/kubernetes/pull/25727 was the original PR that added federation support to KubeDNS.
cc @kubernetes/sig-cluster-federation @quinton-hoole @madhusudancs @bprashanth @mml
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kubenet: Fix host port for rktnetes.
Because rkt pod runs after plugin.SetUpPod() is called, so
getRunningPods() does not return the newly created pod, which
causes the hostport iptable rules to be missing for this new pod.
cc @dcbw @freehan
A follow up fix for https://github.com/kubernetes/kubernetes/pull/27878#issuecomment-227898936
Most of the changes that get the test to pass have been made already or
elsewhere. Here we restructure a bit fixing a nesting problem, extend
the timeouts, and start creating distinct backend pods that I'll delete
in the non-local test (coming shortly).
Also some extra debugging info in the DNS code. I made some upstream
changes to skydns in https://github.com/skynetservices/skydns/pull/283
Because rkt pod runs after plugin.SetUpPod() is called, so
getRunningPods() does not return the newly created pod, which
causes the hostport iptable rules to be missing for this new pod.
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Adding SCSI controller type filter for vSphere disk attach
Hot plug of disks to a SCSI controller of type lsilogic doesn't work as expected. When a device is detached from the controller, it fails to remove the device from the /dev path which makes the subsequent attaches to the node to fail. With scsi controller types lsilogic-sas or paravirtual this seems to work well. This patch filters the existing controller for these types, and if it doesn't find one, it creates a new controller for disk attach.
This PR is dependent on https://github.com/kubernetes/kubernetes/pull/26658 (1st commit) also targeting this for 1.3
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rkt: Refactor grace termination period.
Add `TimeoutStopSec` service option to support grace termination.
Found we can improve the grace-period-termination by adding a systemd service option.
cc @kubernetes/sig-rktnetes
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let dynamic client handle non-registered ListOptions
And register v1.ListOptions in the policy group.
Fix#27622
@lavalamp @smarterclayton @krousey
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Make kubelet CNI network plugin runtime-agnostic
cni.go has a couple docker-isms in it still, so let's remove those and make the plugin runtime-agnostic. Also fixes some docker-isms in kubenet that snuck in with the HostPort changes.
Automatic merge from submit-queue
Removing name field from Member for compatibility with OpenStack Liberty
In OpenStack Mitaka, the name field for members was added as an optional field but does not exist in Liberty. Therefore the current implementation for lbaas v2 will not work in Liberty.
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Prevent detach before node status update
The PR prevents the attach/detach controller from start a detach operation before updating the node status (to remove the volume from the list of attached volumes).
Fixes https://github.com/kubernetes/kubernetes/issues/27836
Use the generic runtime method to get the netns path. Also
move reading the container IP address into cni (based off kubenet)
instead of having it in the Docker manager code. Both old and new
methods use nsenter and /sbin/ip and should be functionally
equivalent.
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Rephrase 'pv not found in cache' warnings.
When kubelet starts a pod that refers to non-existing PV, PVC or Node, it should clearly show that the requested element does not exist.
Previous `PersistentVolumeClaim 'default/ceph-claim-wm' is not in cache` looks like random kubelet hiccup, while `PersistentVolumeClaim 'default/ceph-claim-wm' not found` suggests that the object may not exist at all and it might be an user error.
Fixes#27523
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AWS/GCE: Spread PetSet volume creation across zones, create GCE volumes in non-master zones
Long term we plan on integrating this into the scheduler, but in the
short term we use the volume name to place it onto a zone.
We hash the volume name so we don't bias to the first few zones.
If the volume name "looks like" a PetSet volume name (ending with
-<number>) then we use the number as an offset. In that case we hash
the base name.
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GCE provider: Create TargetPool with 200 instances, then update with rest
GCE provider: Create TargetPool with 200 instances, then update with rest
Tested with 2000 nodes, this actually meets the GCE API specifications (which is nutty). Previous PR (#25178) was based on a mistaken understanding of a poorly documented set of limitations, and even poorer testing, for which I am embarassed.
Also includes the revert of #25178 (review commits separately).
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Add AWS volume plugin attach tests.
@kubernetes/sig-storage
This it a test, it does not really matter if it catches 1.3 train or the next one.
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Rename **/manager.go for better logging
Rename `pkg/kubelet/*/manager.go` to `pkg/kubelet/*/*_manager.go`.
**Justification:** Our current logging library, [glog](https://github.com/golang/glog), logs the filename where the log was generated, but not the full path. Ex:
```
I0608 00:28:25.116905 2847 manager.go:1024] Started watching for new ooms in manager
```
We have too many files named `manager.go`, which makes it difficult to identify log messages originating from them:
```console
$ find . -name "manager.go"
./pkg/kubelet/status/manager.go
./pkg/kubelet/dockertools/manager.go
./pkg/kubelet/eviction/manager.go
./pkg/kubelet/pod/manager.go
./pkg/kubelet/prober/manager.go
./vendor/github.com/vmware/govmomi/session/manager.go
./vendor/github.com/google/cadvisor/manager/manager.go
./vendor/github.com/coreos/go-oidc/key/manager.go
```
/cc @kubernetes/sig-node This change will probably invoke rebase hell, but now seems like a reasonable time for it (with less churn leading up to release).
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implement desiredWorld populator to sync up with informer
fixes#26994
This change implements the desiredStateOfWorld populator to sync up with
the pod informer. It periodically check each pod in the
desiredStateOfworld and verify whether it is still in pod informer
cache. If it not, remove it from the desiredStateOfWorld
