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Updaing QoS policy to be at the pod level
Quality of Service will be derived from an entire Pod Spec, instead of being derived from resource specifications of individual resources per-container.
A Pod is `Guaranteed` iff all its containers have limits == requests for all the first-class resources (cpu, memory as of now).
A Pod is `BestEffort` iff requests & limits are not specified for any resource across all containers.
A Pod is `Burstable` otherwise.
Note: Existing pods might be more susceptible to OOM Kills on the node due to this PR! To protect pods from being OOM killed on the node, set `limits` for all resources across all containers in a pod.
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Check status of framework.CheckPodsRunningReady
Check status of framework.CheckPodsRunningReady and fail test if it's false, instead of silently
ignoring the failure.
This doesn't fix whatever is causing the pod not to start in #17523 but it does fail the test as soon as it detects the pod didn't start, instead of allowing the testing to proceed.
cc @kubernetes/sig-testing @spxtr @ixdy @kubernetes/rh-cluster-infra
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Updating CentOS image, adding heat back to the required cli tools.
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Updated the CentOS cloudimage to the latest available, and also added heat to the required list of cli tools. This is an interim step to replacing all the commands with openstackclient.
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Update AWS under the hood doc with ELB SSL annotations
Document #23495. No e2e tests or release notes needed (the other PR is already in the release docs).
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add CIDR allocator for NodeController
This PR:
* use pkg/controller/framework to watch nodes and reduce lists when allocate CIDR for node
* decouple the cidr allocation logic from monitoring status logic
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I removed the netexec and goproxy pods from the proxy exec test. Instead
it now runs kubectl locally and the proxy is running in-process. Since
Go won't proxy for localhost requests, this test cannot pass if the API
server is local. However it was already disabled for local clusters.
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Add 'kubectl set image'
```release-note
Add "kubectl set image" for easier updating container images (for pods or resources with pod templates).
```
**Usage:**
```
kubectl set image (-f FILENAME | TYPE NAME) CONTAINER_NAME_1=CONTAINER_IMAGE_1 ... CONTAINER_NAME_N=CONTAINER_IMAGE_N
```
**Example:**
```console
# Set a deployment's nginx container image to 'nginx:1.9.1', and its busybox container image to 'busybox'.
$ kubectl set image deployment/nginx busybox=busybox nginx=nginx:1.9.1
# Update all deployments' nginx container's image to 'nginx:1.9.1'
$ kubectl set image deployments nginx=nginx:1.9.1 --all
# Update image of all containers of daemonset abc to 'nginx:1.9.1'
$ kubectl set image daemonset abc *=nginx:1.9.1
# Print result (in yaml format) of updating nginx container image from local file, without hitting the server
$ kubectl set image -f path/to/file.yaml nginx=nginx:1.9.1 --local -o yaml
```
I abandoned the `--container=xxx --image=xxx` flags in the [deploy proposal](https://github.com/kubernetes/kubernetes/blob/master/docs/proposals/deploy.md#kubectl-set) since it's much easier to use with just KEY=VALUE (CONTAINER_NAME=CONTAINER_IMAGE) pairs.
Ref #21648
@kubernetes/kubectl @bgrant0607 @kubernetes/sig-config
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kubelet: Don't attempt to apply the oom score if container exited already
Containers could terminate before kubelet applies the oom score. This is normal
and the function should not error out.
This addresses #25844 partially.
/cc @smarterclayton @Random-Liu
Abhishek Shah
