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Unit test for negative value of allocatable resources
Introduce unit test for checking resource quantities for kubelet's allocatable resources.
Covered values:
* negative quantity value: error expected
* invalid quantity unit: error expected
* valid quantity: error not expected
Running go test with -v, returned error are logged as well for more information:
```shell
=== RUN TestValueOfAllocatableResources
--- PASS: TestValueOfAllocatableResources (0.00s)
server_test.go:47: Returned err: "resource quantity for \"memory\" cannot be negative: -150G"
server_test.go:47: Returned err: "unable to parse quantity's suffix"
PASS
ok k8s.io/kubernetes/cmd/kubelet/app 0.020s
```
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Don't remove kubemark binaries
If you want to experiment a bit with kubemark (e.g. relaunch the component with different flags), it's roughly impossible now. If we have binaries, this is much easier.
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Trusty: Fixes for running GKE master
This PR includes two fixes for running GKE master on our image:
(1) The kubelet command line assembly had a missing part for cbr0. We did not catch it because the code path is not covered by OSS k8s tests;
(2) Remove the "" from the variables in the cert files. It causes a parsing issue in GKE. Again, this code path is not covered by k8s tests.
This PR also refactors the code for assembling kubelet flag. I move all logic into a single function assemble_kubelet_flags in configure-helper.sh for better readability and also simplify node.yaml and master.yaml.
@roberthbailey @dchen1107 please review it, and mark it as cherrypick-candidate. This PR is verified by @maisem. Together with his CL for GKE, we can run GKE cluster with master on our image and nodes on ContainerVM.
cc/ @maisem @fabioy @wonderfly FYI
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Clientset release 1.3
This PR creates the release 1.3 client set. We'll keep updating this client set until we cut release 1.3. In the meantime, the release 1.2 client set will be locked.
@lavalamp
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Refactor E2E framework & utils to test/e2e/framework package
Refactor E2E framework & utils to test/e2e/framework package to pave the way for further refactoring and code sharing with the node e2e suite.
I've split this PR into 2 commits to try to make it more manageable: The first moves the code to the framework package (which builds on it's own), and the second fixes the test/e2e package. Unfortunately the code is so tangled up that moving it all at once this way is much easier than separating out individual pieces. Although the separation would probably be a worthwhile exercise on it's own, the goal here is to unblock the e2e_node hackathon.
One way I could reduce the number of changes is by importing the framework package as `.`. I didn't do this since I think it's not great practice - but I'm open to making this change if you (reviewers) think otherwise.
LMK if there's any way I can help to make this more reviewable.
@kubernetes/sig-node @kubernetes/sig-testing @vishh @pwittrock @jayunit100
This only applies to gce kube-up. 60 seconds of open connection should
be sufficient for anything that we should be downloading. The release
tar is currently 255M.
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Fixed mounting with containerized kubelet
`NsenterMounter.IsLikelyNotMountPoint()` should return `ErrNotExist` when the
checked directory does not exists - the regular mounted does this and
some volume plugins depend on this behavior.
See for example: https://github.com/kubernetes/kubernetes/blob/master/pkg/volume/aws_ebs/aws_util.go#L72
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Implement a streaming serializer for watch
Changeover watch to use streaming serialization. Properly version the
watch objects. Implement simple framing for JSON and Protobuf (but not
YAML).
@wojtek-t @lavalamp
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Add godoc to kubelet/volumes.go
Noticed that `mountExternalVolumes`, of all things, was missing Godoc while working w/ @screeley44. Decided to add some tonight since I have been making noise about grokkability of the kubelet lately.
@kubernetes/sig-storage
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IPerf container to support network perfomance testing
Simple iperf container.
Issue:
We want to run iperf from the e2e tests for a network baseline, but there are no gcr images for this.
Solution:
Curate our own iperf container from source in kubernetes and copy it as a top level microservice. So long as these are injected into GCR, we can then run this container from the e2e tests.
cc @sig-testing this can be used along side #22869
