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Install to an Existing Cluster

Install the dependencies#

On the computer that will be used for the installation, you need to install:

  • git
  • kubectl
  • The wk binary. You can ensure it is in your path by running wk version

Cluster requirements#

  • Kubernetes 1.16+
  • At least 1 master and at least 1 worker node.

Entitlements#

Ensure that wk can load a valid [entitlements]/getting-started/entitlements.md) file.

Install the WKP cluster components on an existing cluster#

First, create a directory which will contain the cluster management scripts and binaries.

mkdir wkp-cluster && cd wkp-cluster
wk setup install --entitlements=/path/to/my/entitlements

The main configuration file will be unpacked at setup/config.yaml.

The required values are your git provider organization or user, your Docker Hub user, and an absolute path to a file containing your Docker Hub password:

mkdir -p ~/.wks
echo 'my-dockerhub-password' > ~/.wks/dockerhub-password
chmod 600 ~/.wks/dockerhub-password

Enter your gitProvider, dockerIOUser, and dockerIOPasswordFile in your setup/config.yaml. (See Git Config Repository for details about git parameters)

Set the track field to wks-components.

Example snippet of config.yaml:

track: wks-components
clusterName: my-cluster
gitProvider: gitlab
gitUrl: git@git.acme.org:app-team/dev-cluster.git
dockerIOUser: my-docker-user
dockerIOPasswordFile: /home/my-user/.wks/my-docker-user-dockerhub-password

WKP uses a personal access token to create the cluster repository on GitHub. The token needs to have permissions in the repo scope. The github documentation on how to create one can be found on this page. Once you have created one, set the environment variable for it:

export GITHUB_TOKEN=my-token

Now we are ready to install the components on the cluster. Make sure kubectl is connected to the correct cluster and run:

wk setup run

Access the WKP UI#

To expose the WKP UI via wk ui command, run:

wk ui

You should now be able to view it at http://localhost:8090

To expose the WKP UI to a different port other than the default, run:

wk ui --port 8081
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