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Add KUBE_CGO_OVERRIDES env var to force enabling CGO
**What this PR does / why we need it**: as detailed in https://github.com/kubernetes/release/issues/469 (and elsewhere), there is a desire to have `kubectl` built with CGO enabled on mac OS.
There currently isn't a great way to do this in our official cross builds, but we should allow mac users to build their own kubectl with CGO enabled if they desire, e.g. through homebrew.
This change enables that; you can now do `KUBE_CGO_OVERRIDES=kubectl make WHAT=cmd/kubectl` and get a cgo-enabled `kubectl`.
The default build outputs remain unchanged.
**Release note**:
```release-note
kubectl built for darwin from darwin now enables cgo to use the system-native C libraries for DNS resolution. Cross-compiled kubectl (e.g. from an official kubernetes release) still uses the go-native netgo DNS implementation.
```
/assign @BenTheElder @cblecker
cc @bks7 @bitglue
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cleanup some dead kubectl code and narrow scope of helpers
Found a lot of dead code in kubectl factory that we should scrub out
/assign @soltysh
/assign @juanvallejo
```release-note
NONE
```
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Drop reapers
/assign @deads2k @juanvallejo
**Release note**:
```release-note
kubectl delete does not use reapers for removing objects anymore, but relies on server-side GC entirely
```
Initializers are alpha, broken and a subject for removal. They don't
work well with finalizers and the previous hack present in deployment
and replicaset reapers was just hiding this problem.
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fix kubectl set subject --all option invalid bug
**What this PR does / why we need it**:
Fix the kubectl set subject --all option invalid bug and add test cases for it
**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#64182
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Allow env from resource with keys & updated tests
**What this PR does / why we need it**:
This change allows users to pull environment from specific keys in secrets and configmaps using the `kubectl set env` command. User can provide a list of comma-separated keys with the `--keys` flag.
This can be useful when a number of applications want to share a configuration object but don't want to pollute a resource with unused environment
Improves test coverage of set env command
**Release note**:
```
Allow kubectl set env to specify which keys to import from a resource
```
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log bad format git version
**What this PR does / why we need it**:
This PR will log git version when its format is bad. This will be helpful for debug.
**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
NONE
```
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add kubectl wait
Adds a `kubectl wait --for=[delete|condition=condition-name] resource/string` command. This allows generic waiting on well behaved conditions and for a resource or set of resources to be deleted.
This was requested for delete to do foreground deletion
WIP because I need to add test cases.
@kubernetes/sig-cli-maintainers this is using a separation of concerns made possible by the genericclioptions to make an easily unit testable command.
@smarterclayton
```release-note
adds a kubectl wait command
```
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Make kubectl could create clusterrole with aggregation rules
**What this PR does / why we need it**:
The clusterrole aggregation rule features are available since v1.9:
https://kubernetes.io/docs/admin/authorization/rbac/#aggregated-clusterroles
This patch makes kubectl could create clusterrole with aggregation rules.
**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
NONE
```
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Add optional flag of node port range
**What this PR does / why we need it**:
Add option of setting port range when using hack/local-up-cluster.sh
**Which issue(s) this PR fixes**
Inability to set port range flag
**Release note**:
```release-note
NONE
```
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diff: Fix broken `Local()` logic
Local and Live functions where doing and returning the same thing,
giving empty results by default. Fix the local function by copying the
objects before fetching the live version.
**What this PR does / why we need it**: Diff prints empty output by default. Fixes it.
**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 https://github.com/kubernetes/kubernetes/issues/61145
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Local and Live functions where doing and returning the same thing,
giving empty results by default. Fix the local function by copying the
objects before fetching the live version.
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>.
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
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>.
Stop installing kubeadm types in the generic, legacy scheme
**What this PR does / why we need it**:
Right now the kubeadm API types are (wrongly from a correctness perspective) installed in the "catch-all" and now legacy `pkg/api/legacyscheme`. Instead, we should use our own, kubeadm-specific `scheme` where our API types are registered. Doing this also cuts one dependency on the internal core API types.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of https://github.com/kubernetes/community/pull/2131
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @sttts @liztio
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print result object from kubectl taint correctly
fixes#63767
```release-note
NONE
```
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Create pkg/scheduling/apis/v1beta1 and move priorityClass to beta
**What this PR does / why we need it**:
This is for creating pkg/apis/scheduling/v1beta1 so that priorityClasses could be moved to beta.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of #57471
**Special notes for your reviewer**:
/cc @bsalamat @aveshagarwal
**Release note**:
```release-note
The `PriorityClass` API is promoted to `scheduling.k8s.io/v1beta1`
```
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Use absolute path for KUBECTL default in local up cluster
This avoids having to set the KUBECTL env var if local-up-cluster.sh is run outside of the repo root.
**What this PR does / why we need it**:
Avoids having to set the KUBECTL env var if local-up-cluster.sh is run outside of the repo root.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63669, 63511, 63561, 63289). 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>.
move resource builder to generic options
This pull snips the last kube/kube links from the resource builder and moves it to the genericclioptions to be built out into flags from there.
@kubernetes/sig-cli-maintainers
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 62665, 62194, 63616, 63672, 63450). 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>.
Kubeadm e2e
**What this PR does / why we need it**:
Provides in-tree E2E tests for the Kubeadm subproject
**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 [kubeadm#456](https://github.com/kubernetes/kubeadm/issues/456)
**Special notes for your reviewer**:
The weird way tests are executed mirrors `e2e_node`. A future pull request will add a frontend for these tests to kubetest, which will abstract away much of this detail.
**Release note**:
```release-note
NONE
```
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Re-enable lease reconciler, fix shutdown race
Fixes#63378Fixes#57617
* Fixes the openapi script to wait for the apiserver on shutdown (like all the other scripts do)
* Fixes the apiserver shutdown to not hang forever if the kubernetes service reconciler cannot persist to etcd
* Readds https://github.com/kubernetes/kubernetes/pull/58474 to make the default the lease reconciler
```release-note
kube-apiserver: the default `--endpoint-reconciler-type` is now `lease`. The `master-count` endpoint reconciler type is deprecated and will be removed in 1.13.
```
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kubelet - Remove unused code
**What this PR does / why we need it**:
Looks like we have a bunch of unused methods. Let's clean them up
**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
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>.
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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fix namespace miss bug
**What this PR does / why we need it**:
This patch fixes the namespace miss problems.
I am not sure if this is the correct way it should be fixed.
Just offer a solution.
**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#62059
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Support containerized kubelet in CI
**What this PR does / why we need it**:
* Adjust hyperkube Makefile to allow HYPERKUBE_BIN to be
specified from outside
* new DOCKER_ROOT variable to specify --root-dir and associated
volume for kubelet to know where docker directory lives
* Save the docker logs when we kill the kubelet container
* Allow customized image for dockerized kubelet and build a Default
image if one is not specified
We should allow a custom build using script we have:
`VERSION="latest" REGISTRY="k8s.gcr.io" hack/dev-push-hyperkube.sh`
to be used quickly using DOCKERIZE_KUBELET. To do this we remove the
hard coded `k8s.gcr.io/kubelet` image and introduce a new environment
variable `KUBELET_IMAGE`.
Note that we are switching to hyperkube from kubelet as we have a quick
and easy script to build hyperkube image and load it into local docker
daemon. This reduces bad hacks like `docker tag
k8s.gcr.io/hyperkube-amd64:<tag> k8s.gcr.io/kubelet:latest` being used
by folks today (see 62057)
* Better cope with PID 0 when running "docker inspect" to look for
the process id for kubelet container
**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
NONE
```
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Add name output and verb filtering to api-resources
This allows `kubectl api-resources -o name` to be used as input to `kubectl get ...`
to see all resources still existing in a given namespace:
Example:
```sh
kubectl api-resources --verbs=list --namespaced -o name | xargs -n 1 kubectl get -o name -n foo
```
Release note:
```release-note
`kubectl api-resources` now supports filtering to resources supporting specific verbs, and can output fully qualified resource names suitable for combining with commands like `kubectl get`
```
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Break a generic package dependency to core/api/v1
It is not necessary for this package to depend on core/v1.
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Remove KUBE_API_VERSIONS
Fixes https://github.com/kubernetes/kubernetes/issues/63102
KUBE_API_VERSIONS is an attempt to control the available serialization of types. It pre-dates the idea that we'll have separate schemes, so it's not a thing that makes sense anymore.
Server-side we've had a very clear message about breaks in the logs for a year "KUBE_API_VERSIONS is only for testing. Things will break.".
Client-side it became progressively more broken as we moved to generic types for CRUD more than a year ago. What is registered doesn't matter when everything is unstructured.
We should remove this piece of legacy since it doesn't behave predictable server-side or client-side.
@smarterclayton @lavalamp
@kubernetes/sig-api-machinery-bugs
```release-note
KUBE_API_VERSIONS is no longer respected. It was used for testing, but runtime-config is the proper flag to set.
```
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wire printflags through additional cmds
**Release note**:
```release-note
NONE
```
Adds PrintFlag pattern to more commands.
cc @deads2k @soltysh
Automatic merge from submit-queue (batch tested with PRs 61601, 62881, 63159). 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>.
wire print flags through get.go
**Release note**:
```release-note
NONE
```
Adds the PrintFlags pattern to `get.go`.
Prerequisite to ongoing server-side printing work.
cc @soltysh @deads2k
Automatic merge from submit-queue (batch tested with PRs 62432, 62868, 63040). 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>.
bazel: generate pkg/generated/bindata.go at build time and remove from repo
**What this PR does / why we need it**: `pkg/generated/bindata.go` is a generated file, and it's one that's easy for us to handle in bazel (we already handle `test/e2e/generated/bindata.go`, for example).
The translations also have an additional generation step (`hack/update-translations.sh`) which I'm not handling here, but this enables us to remove the `bindata.go` files from the tree (when combined with #62151).
**Release note**:
```release-note
NONE
```
/assign @rmmh @cblecker @thockin @fejta
* Adjust hyperkube Makefile to allow HYPERKUBE_BIN to be
specified from outside
* new DOCKER_ROOT variable to specify --root-dir and associated
volume for kubelet to know where docker directory lives
* Save the docker logs when we kill the kubelet container
* Allow customized image for dockerized kubelet and build a Default
image if one is not specified
We should allow a custom build using script we have:
`VERSION="latest" REGISTRY="k8s.gcr.io" hack/dev-push-hyperkube.sh`
to be used quickly using DOCKERIZE_KUBELET. To do this we remove the
hard coded `k8s.gcr.io/kubelet` image and introduce a new environment
variable `KUBELET_IMAGE`.
Note that we are switching to hyperkube from kubelet as we have a quick
and easy script to build hyperkube image and load it into local docker
daemon. This reduces bad hacks like `docker tag
k8s.gcr.io/hyperkube-amd64:<tag> k8s.gcr.io/kubelet:latest` being used
by folks today (see 62057)
* Better cope with PID 0 when running "docker inspect" to look for
the process id for kubelet container
Automatic merge from submit-queue (batch tested with PRs 63046, 62925, 63014). 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 minimum required go version to 1.10.1
**What this PR does / why we need it**:
We have supported go1.10.x for a few weeks now (#60597). CI has all been updated. This enforces it as the new minimum go version required go k8s >=1.11
**Release note**:
No release note, as #60597 already had one.
```release-note
NONE
```
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Build cleanup with go 1.10
Simplify our build/test scripts now that go 1.10 is in play. It has caching that seems to actually work.
**Release note**:
```release-note
NONE
```
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Add a GCS mirror to WORKSPACE URLs, along with a script to update them.
**What this PR does / why we need it**:
We get occasional flakes when WORKSPACE downloads fail. This should make that much more unlikely, by having two independent endpoints to try.
**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>.
Volunteer for local-up-cluster related files
**What this PR does / why we need it**:
Wish to help with changes to hack/local-up-cluster.sh and any spill over
into other files that affect hack/local-up-cluster.sh.
**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
```
This will help avoid flakes when initializing WORKSPACE, since there are
two sources for each file. Any errors downloading or failed hashes cause
bazel to try the next url in the series.
Automatic merge from submit-queue (batch tested with PRs 62642, 62855, 62487, 62858, 62873). 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>.
final record flag cleanup
This ties off the remainder of the record flag uses. Trying to merge different types of patches is fraught, so I added a way to get a merge patch (not a strategic patch) back from the annotation update.
@kubernetes/sig-cli-maintainers
/assign @soltysh
/assign @juanvallejo
```release-note
NONE
```
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Remove podpreset in local up cluster
This was enabled in 6a7aca3129, but
shouldn't have been since the podpreset implementation is in the process
of being moved into service-catalog.
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>.
fix up and use record flags
This pull starts a genericclioptions package with a dependency enforcer to ensure that we have no kube/kube links. It makes the recordflags nil-able and still behave as expected. And it also updates several commands to use the record flags.
@kubernetes/sig-cli-maintainers @soltysh @juanvallejo
```release-note
NONE
```
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wire printflags through run cmd
**Release note**:
```release-note
NONE
```
Adds PrintFlags to `run` command.
cc @soltysh @deads2k
