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API changes for Cascading deletion
This PR includes the necessary API changes to implement cascading deletion with finalizers as proposed is in #23656. Comments are welcome.
@lavalamp @derekwaynecarr @bgrant0607 @rata @hongchaodeng
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Allow etcd to store protobuf objects
Split storage serialization from client negotiation, and allow API server to take flag controlling serialization.
TODO:
* [x] API server still doesn't start - range allocation object doesn't seem to round trip correctly to etcd
* [ ] Verify that third party resources are ignoring protobuf (add a test)
* [ ] Add integration tests that verify storage is correctly protobuf
* [ ] Add a global default for which storage format to prefer?
The codec factory should support two distinct interfaces - negotiating
for a serializer with a client, vs reading or writing data to a storage
form (etcd, disk, etc). Make the EncodeForVersion and DecodeToVersion
methods only take Encoder and Decoder, and slight refactoring elsewhere.
In the storage factory, use a content type to control what serializer to
pick, and use the universal deserializer. This ensures that storage can
read JSON (which might be from older objects) while only writing
protobuf. Add exceptions for those resources that may not be able to
write to protobuf (specifically third party resources, but potentially
others in the future).
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Petset controller
Took longer than I expected. Main parts of this pr are:
1. Identity generation based on petset spec (volumes are mapped per discussion in #18016)
2. Ensure that we create/delete pets in sequence
3. Ensuring that we create, wait for healthy, create; or delete, wait for terminationGrace, delete
4. Controller that watches apiserver and drives actual -> desired
PVCs are not deleted, yet.
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Deleting duplicate code from federated-apiserver.Run()
This removes most of duplicate code from federated-apiserver.Run().
The code remaining is related to storage or authz and authn.
https://github.com/kubernetes/kubernetes/pull/24787 refactors the storage related code.
I am still figuring out authz and authn.
cc @jianhuiz
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update kubectl apply help info
Please refer #22342 for more detail. @bgrant0607 ptal. Also I have open a PR to update docs on `kuberntes.github.io`
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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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Redo Unstructured to have accessor methods
Add accessor methods that implement pkg/api/unversioned.ObjectKind,
pkg/api/meta.Object, pkg/api/meta.Type and pkg/api/meta.List.
Removed the convenience fields since writing to them was not reflected
in serialized JSON.
Add accessor methods that implement pkg/api/unversioned.ObjectKind,
pkg/api/meta.Object, pkg/api/meta.Type and pkg/api/meta.List.
Removed the convenience fields since writing to them was not reflected
in serialized JSON.
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Frame decoder was checking cap(), not len()
Resulted in bytes being missing from the streaming decoder. Update both
parts.
Required for #24789
@wojtek-t or @lavalamp while he's OOO
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add mutex for kubenet
I saw a bunch of weird cases in kubenet suite. For instance, SetUpPod return successfully, but right after that, kubelet cannot retrieve podIP from podCIDR map.
cc: @dcbw @thockin
ref: #24211
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AWS: Add support for ap-northeast-2 region (Seoul)
This PR does:
- Support AWS Seoul region: ap-northeast-2.
Currently, I can not setup Kubernetes on AWS Seoul.
Error Messages:
>
> ip-10-0-0-50 core # docker logs 0697db
> I0419 07:57:44.569174 1 aws.go:466] Zone not specified in configuration file; querying AWS metadata service
> F0419 07:57:44.570380 1 controllermanager.go:279] Cloud provider could not be initialized: could not init cloud provider "aws": not a valid AWS zone (unknown region): ap-northeast-2a
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allow kubectl subcmds to process multiple resources
~~autoscale, expose & patch~~ Many kubectl subcommands were limited to processing one resource at a time.
This PR allows those subcommands to process multiple resources.
This PR is in reference to https://github.com/kubernetes/kubernetes/pull/23116#issuecomment-202360784 by @deads2k
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Unify termination signal handling across platforms
The signals are used to ensure proper execution of cleaning up actions to restore a terminal in:
- [pkg/kubectl/cmd/attach.go#L163-L226](b8d000853e/pkg/kubectl/cmd/attach.go (L163-L226))
- [pkg/kubectl/cmd/util/editor/editor.go#L112-L137](b8d000853e/pkg/kubectl/cmd/util/editor/editor.go (L112-L137))
All supported platforms can handle the same set of signals we're interested in, thus we don't need build contraints to use a set of signals on Linux, while restricting ourselves to only SIGINT on Darwin and Windows.
According to the documentation of os/signal, similar to SIGINT and SIGTERM, SIGHUP causes the program to exit, therefore add it to the list of handled signals.
The fist commit is part of #23643.
