Automatic merge from submit-queue (batch tested with PRs 63969, 63902, 63689, 63973, 63978). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Reuse existing CA cert path for kubelet certs
**What this PR does / why we need it**: configure-helper.sh already knows the path to CA cert, re-use that to avoid typos.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63569, 63918, 63980, 63295, 63989). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
New event exporter config with support for new stackdriver resources
New event exporter, with support for use new and old stackdriver resource model.
This should also be cherry-picked to release-1.10 branch, as all fluentd-gcp components support new and stackdriver resource model.
```release-note
Update event-exporter to version v0.2.0 that supports old (gke_container/gce_instance) and new (k8s_container/k8s_node/k8s_pod) stackdriver resources.
```
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Use 'docker/default' as default seccomp profile for unprivileged PodSecurityPolicy
**What this PR does / why we need it**:
This PR sets the default seccomp profile for unprivileged PodSecurityPolicy to 'docker/default'. This PR is a followup of [#62662](https://github.com/kubernetes/kubernetes/pull/62662). We are using 'docker/default' instead of 'runtime/default' in addons in order to handle node version skew. When default seccomp profile is applied later, we can remove those annotations.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#39845
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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NFS support for default storage
**What this PR does / why we need it**:
Adds NFS support for kubernetes-worker charm allowing default storage for NFS charms.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Added support for NFS relations on kubernetes-worker charm.
```
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Deprecate InfluxDB cluster monitoring
InfluxDB cluster monitoring addon will no longer be supported and will be removed in k8s 1.12.
Default monitoring solution will be changed to `standalone`.
Heapster will still be deployed for backward compatibility of `kubectl top`
```release-note
Stop using InfluxDB as default cluster monitoring
InfluxDB cluster monitoring is deprecated and will be removed in v1.12
```
cc @piosz
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gce: Prefer MASTER_ADVERTISE_ADDRESS in apiserver setup
MASTER_ADVERTISE_ADDRESS is used to set the --advertise-address flag
for the apiserver. It's useful for running the apiserver behind a load
balancer.
However, if PROJECT_ID, TOKEN_URL, TOKEN_BODY, and NODE_NETWORK are
all set, the GCE VM's external IP address will be fetched and used
instead and MASTER_ADVERTISE_ADDRESS will be ignored.
Change this behavior so that MASTER_ADVERTISE_ADDRESS takes precedence
because it's more specific. We still fall back to using the VM's
external IP address if the other variables are set.
Also: Move the setting of --ssh-user and --ssh-keyfile based on
PROXY_SSH_USER) to a top-level block because this is common to all
codepaths.
```release-note
NONE
```
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Install and use crictl in gce kube-up.sh
Download and use crictl in gce kube-up.sh.
This PR:
1. Downloads crictl `v1.0.0-beta.0` onto the node, which supports CRI v1alpha2. We'll upgrade it to `v1.0.0-beta.1` soon after the release is cut.
2. Change `kube-docker-monitor` to `kube-container-runtime-monitor`, and let it use `crictl` to do health monitoring.
3. Change `e2e-image-puller` to use `crictl`. Because of https://github.com/kubernetes/kubernetes/issues/63355, it doesn't work now. But in `crictl v1.0.0-beta.1`, we are going to statically link it, and the `e2e-image-puller` should work again.
4. Use `systemctl kill --kill-who=main` instead of `pkill`, the reason is that:
a. `pkill docker` will send `SIGTERM` to all processes including `dockerd`, `docker-containerd`, `docker-containerd-shim`. This is not a problem for Docker 17.03 CE, because `containerd-shim` in containerd 0.2.x doesn't exit with SIGERM (see [code](https://github.com/containerd/containerd/blob/v0.2.x/containerd-shim/main.go#L123)). However, `containerd-shim` in containerd 1.0+ does exit with SIGTERM (see [code](https://github.com/containerd/containerd/blob/master/cmd/containerd-shim/main_unix.go#L200)). This means that `pkill docker` and `pkill containerd` will kill all shim processes for Docker 17.11+ and containerd 1.0+.
b. We can use `pkill -x` instead. However, docker systemd service name is `docker`, but daemon process name is `dockerd`. We have to introduce another environment variable to specify "daemon process name". Given so, it seems easier to just use `systemctl kill` which only requires systemd service name. `systemctl kill --kill-who=main` will make sure only main process receives SIGTERM.
Signed-off-by: Lantao Liu <lantaol@google.com>
/cc @filbranden @yujuhong @feiskyer @mrunalp @kubernetes/sig-node-pr-reviews @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
Kubernetes cluster on GCE have crictl installed now. Users can use it to help debug their node. The documentation of crictl can be found https://github.com/kubernetes-incubator/cri-tools/blob/master/docs/crictl.md.
```
Automatic merge from submit-queue (batch tested with PRs 63589, 63644, 63861, 63872, 63847). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Enable CUSTOM_INGRESS_YAML to replace the glbc manifest
This allows for customized versions of the Ingress YAML separate from
stock Kubernetes.
```release-note
NONE
```
MASTER_ADVERTISE_ADDRESS is used to set the --advertise-address flag
for the apiserver. It's useful for running the apiserver behind a load
balancer.
However, if PROJECT_ID, TOKEN_URL, TOKEN_BODY, and NODE_NETWORK are
all set, the GCE VM's external IP address will be fetched and used
instead and MASTER_ADVERTISE_ADDRESS will be ignored.
Change this behavior so that MASTER_ADVERTISE_ADDRESS takes precedence
because it's more specific. We still fall back to using the VM's
external IP address if the other variables are set.
Also: Pass --ssh-user and --ssh-keyfile flags if both PROXY_SSH_USER
and MASTER_ADVERTISE_ADDRESS is set.
Automatic merge from submit-queue (batch tested with PRs 63272, 63782, 63715, 63811, 63803). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Add support for GCP charm
**What this PR does / why we need it**: Continuing from #62354, add support for Juju charms to connect to GCP integration charm to automatically manage IAM labels and roles, and cloud-provider setting for GCE.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63492, 62379, 61984, 63805, 63807). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
remove PodPreset and enable resources for Priority admission plugins in e2e-gce
**What this PR does / why we need it**:
e2e-gce start kube-apiserver without admission PodPreset and enable resources for Priority
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#62377
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
It is possible that the node API object doesn't exist in a brief
window between recreation and registering. By moving the uncordon
until after the node is ready, we can be sure the API object exists.
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Bump down to cos-stable-65 in config-test
Until https://github.com/kubernetes/kubernetes/issues/62456 is fixed (and we have a good patched version of cos-66), we probably should not be using the current version for testing which we anyway know we wouldn't be using for prod due to the bug.
/cc @yujuhong @filbranden @wojtek-t
Wdyt?
```release-note
NONE
```
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Uncordon the node after upgrade
**What this PR does / why we need it**:
Previous logic was relying on the node to recreate the node API object
and, as a side-effect, uncordon itself. A change went in that no
longer ensures the node recreates itself, so the bug in this logic was exposed.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63506
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
cc @dchen1107 @AishSundar
Previous logic was relying on the node to recreate the node API object
and, as a side-effect, uncordon itself. A change went in that no
longer ensures the node recreates itself, so the bug in this logic was exposed.
Automatic merge from submit-queue (batch tested with PRs 62354, 62934, 63502). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Add support for AWS charm
Support AWS integration via proxy charm.
**What this PR does / why we need it**: Add support for Juju charms to connect to AWS integration charm to automatically manage IAM tags and roles, and cloud-provider setting for AWS.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 57954, 62166). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
fluentd-elasticsearch addon: allow graceful shutdown in fluentd-es image.
This PR contains an optimisation to the fluentd-elasticsearch addon. Restarting fluentd pods took unnecessarily long because the start script in the image did not support propagating signals to the actual fluentd process. This patch fixes this behaviour.
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63535, 63528). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Bump Heapster to v1.5.3
This PR updates heapster version in all cluster-monitoring addons
Heapster Changelog:
* Fix stackdriver metrics for node memory using wrong metric type
```release-note
Bump Heapster to v1.5.3
```
/cc @kawych
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Use the logging agent's node name as the metadata agent URL.
The Stackdriver Logging agent should use the node's hostname when it constructs the Stackdriver Metadata Agent's URL, currently, it's using the GKE Master's hostname, which is a bug.
**Release note:**
```release-note
[fluentd-gcp addon] Use the logging agent's node name as the metadata agent URL.
```
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gce: plumb --kubelet-certificate-authority flag to apiserver
**What this PR does / why we need it**:
We want to start signing kubelets' serving certs with cluster CA. This
flag is required to enforce that on apiserver side.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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gcp: allow non-bootstrap kubeconfig
**What this PR does / why we need it**:
Needed for https://github.com/kubernetes/community/pull/2022
This change lets us generate a non-bootstrap kubeconfig with exec plugin for authn.
The plugin does TLS bootstrapping internally.
**Special notes for your reviewer**:
Defaults when no new env vars are set will behave same as before this change.
`KUBELET_AUTH_TYPE` should never be `tls-auth` in practice, but leaving it there just in case.
**Release note**:
```release-note
NONE
```
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Add support for arm64 to the registry action of the kuberntes-worker juju charm.
**What this PR does / why we need it**: Add support for arm64 to the registry action of the kuberntes-worker juju charm.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
juju: Make kubernetes-master status handling more robust
**What this PR does / why we need it**:
This fixes a charm hook failure that can occur after restarting kubernetes-master units in Juju-based Kubernetes deployments.
This should also hopefully make our status handling in kubernetes-master more robust in general, by making sure all of our `blocked`, `waiting`, and `active` status messages are handled in one place, on hook exit.
**Which issue(s) this PR fixes**:
https://github.com/juju-solutions/bundle-canonical-kubernetes/issues/523
**Release note**:
```release-note
NONE
```
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Update all script shebangs to use /usr/bin/env interpreter instead of /bin/interpreter
This is required to support systems where bash doesn't reside in /bin (such as NixOS, or the *BSD family) and allow users to specify a different interpreter version through $PATH manipulation.
https://www.cyberciti.biz/tips/finding-bash-perl-python-portably-using-env.html
```release-note
Use /usr/bin/env in all script shebangs to increase portability.
```
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Adds support for arm64 to microbot example of the kubernetes-worker charm.
**What this PR does / why we need it**: Adds support for arm64 to microbot example of the kubernetes-worker charm.
**Release note**:
```release-note
NONE
```
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