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Kubelet Volume Attach/Detach/Mount/Unmount Redesign
This PR redesigns the Volume Attach/Detach/Mount/Unmount in Kubelet as proposed in https://github.com/kubernetes/kubernetes/issues/21931
```release-note
A new volume manager was introduced in kubelet that synchronizes volume mount/unmount (and attach/detach, if attach/detach controller is not enabled).
This eliminates the race conditions between the pod creation loop and the orphaned volumes loops. It also removes the unmount/detach from the `syncPod()` path so volume clean up never blocks the `syncPod` loop.
```
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federation: choosing a default federation name in test instead of failing
The tests are failing right now:
http://kubekins.dls.corp.google.com/job/kubernetes-e2e-gce-federation/
```
[k8s.io] Service [Feature:Federation] should be able to discover a non-local federated service
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/federated-service.go:130 Jun 14 12:40:35.091: FEDERATION_NAME environment variable must be set
[k8s.io] Service [Feature:Federation] should be able to discover a federated service
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/federated-service.go:130 Jun 14 12:40:40.802: FEDERATION_NAME environment variable must be set
```
This is to fix them.
cc @kubernetes/sig-cluster-federation @mml
This commit adds a new volume manager in kubelet that synchronizes
volume mount/unmount (and attach/detach, if attach/detach controller
is not enabled).
This eliminates the race conditions between the pod creation loop
and the orphaned volumes loops. It also removes the unmount/detach
from the `syncPod()` path so volume clean up never blocks the
`syncPod` loop.
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Make timeout for starting system pods configurable
Context: in 2000-node clusters (if only one node is big enough to fit heapster, which is our testing configuration), heapster won't be scheduled until that node has route. However, creating routes is pretty expensive and currently can take even 2 hours.
@zmerlynn @gmarek
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Updating federation up scripts to work in non e2e setup
Ref: https://github.com/kubernetes/kubernetes.github.io/pull/656
Updating the federation up scripts so that they work as per steps in https://github.com/kubernetes/kubernetes.github.io/pull/656.
Changes are:
* Updating the default namespace to be "federation" instead of "federation-e2e"
* Updated the kubeconfig context to be named "federation-cluster" instead of "federated-context"
* Fixing federation-up so that FEDERATION_IMAGE_TAG is set even when federation-up is run without running `e2e.go --up`. e2e-up.sh sets it here: 6a388d4a0d/hack/e2e-internal/e2e-up.sh (L44).
* Adding a "missingkey=zero" option to template parser. Without this, the parser adds `"<no value>"` at the place of an env var that is not set. With this change, it instead replaces it with the corresponding zero value (for ex "" for strings). This is required for the FEDERATION_DNS_PROVIDER_CONFIG env var.
cc @kubernetes/sig-cluster-federation @colhom @mml
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Implement first set of federated service e2e tests.
These tests are untested and there is no guarantee that they work. The ongoing auth problems is blocking these e2es from being tested and upon @quinton-hoole's request I am submitting them now.
Only the last commit here needs review.
Depends on #26953
cc @nikhiljindal @colhom @mfanjie @kubernetes/sig-cluster-federation
Note that these tests are untested and there is no guarantee that they work.
The ongoing auth problems is blocking these e2es from being tested and upon
@quinton-hoole's request I am submitting them now.
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e2e: actually check error when we fail to GET the scheduled pod
and GET the pod before we try to gracefully delete it.
and add a debug log.
ref #26224
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Port the downward api test to the node e2e suite
Also extend the framework to allow a custom client config loading function, so
that the node e2e suite can reuse the same framework across tests.
This fixes#26609
/cc @timstclair @pwittrock
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Add e2e test for node problem detector
Based on https://github.com/kubernetes/node-problem-detector/pull/12.
This PR added e2e test for node problem detector. It starts a node problem detector with test configuration, and test its functionality.
Question:
* Should this be a node e2e test or e2e test?
* Should we mark this as Serial? The test should not affect other tests, but it will add a `TestConditon` in node conditions and remove in cleanup.
@dchen1107
/cc @kubernetes/sig-node
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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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support for mounting local-ssds on GCI
This change adds support for mounting local ssds on GCI.
It updates the previous container-vm behavior as well to
match that for GCI nodes by mounting the local-ssds under
the same path (/mnt/disks/ssdN).
@vulpecula @roberthbailey @andyzheng0831 @kubernetes/goog-image
