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Enable the garbage collector by default
Turning GC on by default.
Memory usage of GC is back to normal after #30943. The CPU usage is a little higher than the cap in scalability test (1.11 core vs. 1 core). This PR adjusted the default GC worker to 20 to see if that helps CPU usage.
@kubernetes/sig-api-machinery @wojtek-t @lavalamp
Automatic merge from submit-queue
Bump heapster version
Bump heapster version to v1.2.0-beta.1.
Migrate metrics tests and HPA to use List objects introduced in the new version.
Automatic merge from submit-queue
Use --regions instead of --region for gcloud list [resource]
gcloud has started complaining:
```
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
WARNING: Abbreviated flag [--region] will be disabled in release 132.0.0, use the full name [--regions].
```
We'll probably need to cherry-pick this, as otherwise the list-resources script will start failing at some point in the future.
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Let load and density e2e tests use GC if it's on
I've run the 100 and 500 nodes tests and they both pass.
The test-infra half of the PR is https://github.com/kubernetes/test-infra/pull/369
cc @lavalamp
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Update core etcd references to use 3.0.4
This updates the core references to use 3.0.4.
There are still legacy references in the code base that should be cleaned, or just removed but I'm reluctant to purge.
/cc @kubernetes/sig-scalability
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Add user-specified kubectl arguments to addons start script
This is a simple way, using the same environment variable paradigm used throughout these scripts, to let a user specify kubectl arguments to the addons script.
fixes#30371
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Avoid unnecessary copies on GCI initialization.
The issue I faced was that when starting a cluster I was getting:
```
Aug 12 11:12:46 e2e-test-wojtekt-master configure.sh[1079]: cp: error writing '/home/kubernetes/kubernetes-src.tar.gz': No space left on device
```
This PR reduces amount of space that is needed on startup, as well as this speeds up starting cluster.
@lavalamp @dchen1107
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Add support for kube-up.sh to deploy Calico network policy to GCI masters
Also remove requirement for calicoctl from Debian / salt installed nodes and clean it up a little by deploying calico-node with a manifest rather than calicoctl. This also makes it more reliable by retrying properly.
How to use:
```
make quick-release
NETWORK_POLICY_PROVIDER=calico cluster/kube-up.sh
```
One place where I was uncertain:
- CPU allocations (on the master particularly, where there's very little spare capacity). I took some from etcd, but if there's a better way to decide this, I'm happy to change it.
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Fix error reporting during vagrant provisioning
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`release_not_found` shell function can be used both while running
`provision-master.sh` and `privision-node.sh` (it's used by `install-salt`
function in `provision-utils.sh`, but it was defined in `provision-master.sh`.
Because of this, one of my colleagues got the following diagnostic:
```
==> master: Succeeded: 52 (changed=8)
==> master: Failed: 0
==> master: -------------
==> master: Total states run: 52
==> node-1: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> node-1: flag to force provisioning. Provisioners marked to run always will still run.
==> node-1: Running provisioner: shell...
node-1: Running: /tmp/vagrant-shell20160726-19144-hahnl1.sh
==> node-1: Prepare package manager
==> node-1: Provisioning network on node
==> node-1: Network configuration verified
==> node-1: /tmp/vagrant-shell: line 134: release_not_found: command not found
The SSH command responded with a non-zero exit status. Vagrant
assumes that this means the command failed. The output for this command
should be in the log above. Please read the output to determine what
went wrong.
```
... which is rather confusing.
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Use latest GCI image based on a regex in Node e2e
This PR also makes it possible to run node e2e against multiple previous images, sorted by creation time. A regex for the image name can be used to instruct node e2e to identify test images.
Depends on #29577
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AWS: Allow no-op kube-down to exit 0
Not exactly sure why hack/e2e.go `IsUp()` is returning true right now,
but I can solve this a different way. This unifies with the GCE
behavior, which is that no-op kube-down returns 0.
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It can run tests against multiple existing images that match a regex.
GCI images will be using a regex.
Signed-off-by: Vishnu kannan <vishnuk@google.com>
Not exactly sure why hack/e2e.go IsUp() is returning true right now,
but I can solve this a different way. This unifies with the GCE
behavior, which is that no-op kube-down returns 0.
nikhiljindal
