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kubectl rolling-update support for same image
Fixes#23497.
Enables `kubectl rolling-update --image` to the same image, adding a `--image-pull-policy` flag to remove ambiguity. This allows rolling-update to behave as an "update and/or restart" (https://github.com/kubernetes/kubernetes/issues/23497#issuecomment-212349730), or as a forced update when the same tag can mean multiple versions (e.g. `:latest`). cc @janetkuo @nikhiljindal
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Kubelet pod eviction proposal
The following is a proposal for how the `kubelet` may pro-actively fail a pod in response to local compute resources being starved. The proposal focuses on memory as a first candidate, and defines a `greedy` strategy for reclaiming starved resources on the node since it seemed easiest to describe for operators versus other options and probably satisfies a broad set of use case environments.
Putting this out now for community feedback, but anticipate some more refinement around how we report eviction configuration back to users in the `Node API`.
/cc @bgrant0607 @smarterclayton @vishh @dchen1107 @kubernetes/rh-cluster-infra @kubernetes/goog-node
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Add proposal for kubelet TLS bootstrap
A proposal based on the discussion of issue #18112, to implement a process by which kubelets can obtain TLS certificates in a streamlined manner.
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more explicit requirements for pre-commit hook
I don't know if using the pre-commit hook is still a best-practice, but godep and etcd are requirements for it to succeed.
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Provide flags to use etcd3 backed storage
ref: #24405
What's in this PR?
- Add a new flag "storage-backend" to choose "etcd2" or "etcd3". By default (i.e. empty), it's "etcd2".
- Take out etcd config code into a standalone package and let it create etcd2 or etcd3 storage backend given user input.
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Promote Pod Hostname & Subdomain to fields (were annotations)
Deprecating the podHostName, subdomain and PodHostnames annotations and created corresponding new fields for them on PodSpec and Endpoints types.
Annotation doc: #22564
Annotation code: #20688
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Cleans up line wrap at 80 cols and some minor editing issues
Address line wrap issue #1488. Also cleans up other minor editing issues in the docs/design/* tree such as spelling errors.
Signed-off-by: mikebrow <brownwm@us.ibm.com>
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Update configmap design doc
1. Update ConfigMapSelector -> ConfigMapKeySelector
2. Update apiVersion to v1
3. Fix error validating data: expected type array, for field spec.containers[0].command, got string; if you choose to ignore these errors, turn validation off with --validate=false
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Add flag -t as shorthand for --tty
`-t` was deprecated in #12813 (Aug. 2015, about 6+ months ago).
Now remove `--template`'s shorthand `-t` and create a shorthand `-t` for `--tty` in `kubectl run`.
@kubernetes/kubectl
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Add kubelet flags for eviction threshold configuration
This PR just adds the flags for kubelet eviction and the associated generated code.
I am happy to tweak text, but we can also do that later at this point in the release.
Since this causes codegen, I wanted to stage this first.
/cc @vishh @kubernetes/sig-node
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kubectl: Allow []byte config fields to be set by the cli
Allows []byte config fields such as 'certificate-authority-data' to be set using `kubectl config set` commands.
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Incorrect attribute - docs - pod-security-context
Pod definition had incorrect spelling on attribute `securityContext`
Also fixed the flow of Motivation introduction paragraph.
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updates to vagrant.md
Addresses issue #24259; merges in edits from the now deleted version of vagrant.md from the kubernetes.github.io/docs/getting-started-guides directory see PR
https://github.com/kubernetes/kubernetes.github.io/pull/294
Signed-off-by: mikebrow <brownwm@us.ibm.com>
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Remove requirement that Endpoints IPs be IPv4
Signed-off-by: André Martins <aanm90@gmail.com>
Release Note: The `Endpoints` API object now allows IPv6 addresses to be stored. Other components of the system are not ready for IPv6 yet, and many cloud providers are not IPv6 compatible, but installations that use their own controller logic can now store v6 endpoints.
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Enable protobuf compilation by default
Enables protobuf compilation, build verification checks, and generates all initial code.
kubectl is now 47M on OSX, build time from clean on a 2014 MBP (4 core) on Go 1.6 is ~150s.
@wojtek-t
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Proposal for improving local cluster experience.
This proposal attempts to improve the existing single node, local cluster experience in Kubernetes.
It is **not** a proposal that helps with setting up a multi-node, production cluster.
cc @dlorenc @ethernetdan @runseb @mfburnett @bgrant0607 @pwittrock
