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Implement the cluster-controller of kubernetes federation
This PR is the cluster-controller of kubernetes federation.
This controller of federation phase 1 just collect the status of federated clusters.
When the IP isn't in the internal map, GetPodNetworkStatus() needs
to call the execer for the 'nsenter' program. That means the execer
needs to be !nil, which it wasn't before.
A few months ago we refactored options to keep it independent of the
implementations, so that it could be used in CLI tools to validate
config or to generate config, without pulling in the full dependency
tree of the master. This change restores that by separating
server_run_options.go back to its own package.
Also, options structs should never contain non-serializable types, which
storagebackend.Config was doing with runtime.Codec. Split the codec out.
Fix a typo on the name of the etcd2.go storage backend.
Finally, move DefaultStorageMediaType to server_run_options.
The key to path mapping allows pod to specify different name (thus location) of each secret.
At the same time refactor the volume plugin to use AtomicWritter to project secrets to files in a volume.
Update e2e Secrets test, the secret file permission has changed from 0444 to 0644
Remove TestPluginIdempotent as the AtomicWritter is responsible for secret creation
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Make IsValidLabelValue return error strings
Part of the larger validation PR, broken out for easier review and merge. Builds on previous PRs in the series.
- remove persistentvolume_ prefix from all files
- split controller.go into controller.go and controller_base.go (to have them
under 1500 lines for github)
This fixes e2e test for provisioning - it expects that provisioned volumes
are bound quickly.
Majority of this patch is update of test framework needs to initialize the
controller appropriately.
- Add reclaim policy to newVolume() call.
- Implement reactor Volumes().Get().
- Implement mock volume plugin.
- Add recycler tests.
- Add a synchronization condition to controller.scheduleOperation
- we need to pause the controller here, let the test to do some bad things
to the controller and test error cases in recycleVolumeOperation.
Test framework gets more and more complicated... But this is the last piece,
I promise.
We need to keep list of running recyclers, deleters and provisioners in
memory in order not to start a new recycling/deleting/provisioning twice
for the same volume/claim.
This will be eventually replaced by GoRoutineMap from PR #24838.
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Add init containers to pods
This implements #1589 as per proposal #23666
Incorporates feedback on #1589, creates parallel structure for InitContainers and Containers, adds validation for InitContainers that requires name uniqueness, and comments on a number of implications of init containers.
This is a complete alpha implementation.
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Explain how to close an issue within a commit message
## Pull Request Guidelines
This adds some guidance on how to close issues automatically.
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GCI: Fix the condition for using the default image
This PR revises the condition for using the default GCI image. The old logic is not convenient for manually run e2e tests in some cases (mainly for GCI team to test custom images). The new logic by this PR is very similar to the logic in using ContainerVM. When setting distro to "gci", if master or node image is unset, we use gci-dev for it. If either is set, we respect it.
@roberthbailey @zmerlynn @dchen1107 please review it, and we should cherry pick it in release-1.2 branch. Thanks!
cc/ @kubernetes/goog-image @adityakali FYI
