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Replace kube-master with kube_control_plane (#7256)

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This replaces kube-master with kube_control_plane because of [1]:

  The Kubernetes project is moving away from wording that is
  considered offensive. A new working group WG Naming was created
  to track this work, and the word "master" was declared as offensive.
  A proposal was formalized for replacing the word "master" with
  "control plane". This means it should be removed from source code,
  documentation, and user-facing configuration from Kubernetes and
  its sub-projects.

NOTE: The reason why this changes it to kube_control_plane not
      kube-control-plane is for valid group names on ansible.

[1]: https://github.com/kubernetes/enhancements/blob/master/keps/sig-cluster-lifecycle/kubeadm/2067-rename-master-label-taint/README.md#motivation
This commit is contained in:
Kenichi Omichi
2021-03-23 17:26:05 -07:00
committed by GitHub
parent d53fd29e34
commit 486b223e01
159 changed files with 564 additions and 485 deletions
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docs/downloads.md
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@@ -8,7 +8,7 @@ Kubespray supports several download/upload modes. The default is:
There is also a "pull once, push many" mode as well:
* Setting ``download_run_once: True`` will make kubespray download container images and binaries only once and then push them to the cluster nodes. The default download delegate node is the first `kube-master`.
* Setting ``download_run_once: True`` will make kubespray download container images and binaries only once and then push them to the cluster nodes. The default download delegate node is the first `kube_control_plane`.
* Set ``download_localhost: True`` to make localhost the download delegate. This can be useful if cluster nodes cannot access external addresses. To use this requires that docker is installed and running on the ansible master and that the current user is either in the docker group or can do passwordless sudo, to be able to access docker.
NOTE: When `download_run_once` is true and `download_localhost` is false, all downloads will be done on the delegate node, including downloads for container images that are not required on that node. As a consequence, the storage required on that node will probably be more than if download_run_once was false, because all images will be loaded into the docker instance on that node, instead of just the images required for that node.