Automatic merge from submit-queue (batch tested with PRs 51229, 50131, 51074, 51167, 51213)
Fix typos in kubefed
**What this PR does / why we need it**:
Fix some typos in kubefed.
**Which issue this PR fixes** : fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Adding option to set the federation api server port if nodeport is set
**What this PR does / why we need it**: Kubefed will deploy the respected services and then it will do a health check. Prior to this patch if the user selects the nodeport a random port is opened. In environments where firewalls are in place this random port selection will cause the health check to fail. With this patch we enable users to designate a specific port, after for example opening it on their firewall.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#46021
**Special notes for your reviewer**:
**Release note**:
```
Kubefed init allows for setting port in Nodeport configuration
```
Automatic merge from submit-queue (batch tested with PRs 46913, 48910, 48858, 47160)
federation: Stop using and remove federation internalclientset
**What this PR does / why we need it**:
This probably a left over job. We should not be using the internal clientset and instead be using versioned ones as described in #29934
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
```release-note
NONE
```
/assign @nikhiljindal
/cc @kubernetes/sig-federation-misc
Automatic merge from submit-queue (batch tested with PRs 43443, 46193, 49071, 47252)
[Federation][Kubefed] Support reference document autogeneration for kubefed
This PR is needed to address the documentation issue https://github.com/kubernetes/kubernetes.github.io/issues/2888
Apart from the code auto generation have updated some descriptions for consistency.
**Special notes for your reviewer**:
@kubernetes/sig-federation-misc
cc @madhusudancs @csbell
**Release note**:
```NONE
```
Automatic merge from submit-queue
Add NodeInternalIP as a fallback to federation api-server nodeport service
Previously NodeLegacyHostIP was used as a fallback (see #41243) but in 1.7 it was removed (#44830)
Now clusters where nodes have not set ExternalIP can not be used by kubefed to setup federation.
cc @shashidharatd
```release-note
kubefed will now configure NodeInternalIP as the federation API server endpoint when NodeExternalIP is unavailable for federation API servers exposed as NodePort services
```
Automatic merge from submit-queue (batch tested with PRs 46686, 45049, 46323, 45708, 46487)
[Federation][kubefed]: Use StorageClassName for etcd pvc
This PR updates kubefed to use the StorageClassName field [added in 1.6](http://blog.kubernetes.io/2017/03/dynamic-provisioning-and-storage-classes-kubernetes.html
) for etcd's pvc to allow the user to specify which storage class they want to use. If no value is provided to ``kubefed init``, the field will not be set, and initialization of the pvc may fail on a cluster without a default storage class configured.
The alpha annotation that was previously used (``volume.alpha.kubernetes.io/storage-class``) was deprecated as of 1.4 according to the following blog post:
http://blog.kubernetes.io/2016/10/dynamic-provisioning-and-storage-in-kubernetes.html
**Release note**:
```
'kubefed init' has been updated to support specification of the storage class (via --etcd-pv-storage-class) for the Persistent Volume Claim (PVC) used for etcd storage. If --etcd-pv-storage-class is not specified, the default storage class configured for the cluster will be used.
```
cc: @kubernetes/sig-federation-pr-reviews
Previous behavior was to write to stderr (thanks to the fallback system
in the Cobra library), which made it difficult to grep for flags.
For example:
kubectl options | grep recursive
Automatic merge from submit-queue (batch tested with PRs 42042, 46139, 46126, 46258, 46312)
[Federation] Use service accounts instead of the user's credentials when accessing joined clusters' API servers.
Fixes#41267.
Release notes:
```release-note
Modifies kubefed to create and the federation controller manager to use credentials associated with a service account rather than the user's credentials.
```
Automatic merge from submit-queue (batch tested with PRs 44645, 44639, 43510)
[Federation][kubefed]: Set apiserver to bind securely to 8443 instead of 443
On platforms like OpenShift that don't run containers as root by default, binding to ports < 1000 is not permitted. Having the apiserver bind to a high port means it can run with reduced privileges. The service will still expose the apiserver on 443, so this change shouldn't impact clients of the federation api.
cc: @kubernetes/sig-federation-pr-reviews @perotinus
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