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Chapter 7. Creating a site on Kubernetes using the Skupper CLI

Using the skupper command-line interface (CLI) allows you to create and manage sites from the context of the current namespace.

A typical workflow is to create a site, link sites together, and expose services to the application network.

7.1. Checking the Skupper CLI
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Installing the skupper command-line interface (CLI) provides a simple method to get started with Skupper.

  1. Follow the instructions for Installing Skupper.

  2. Verify the installation. 

    skupper version

COMPONENT               VERSION
cli                     2.1.1
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7.2. Creating a simple site using the CLI on Kubernetes
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Prerequisites

  • The skupper CLI is installed.
  • The Skupper controller is running on the Kubernetes cluster you are running or you are running on a platform.

Procedure

  1. Check that the SKUPPER_PLATFORM environment is unset or set to kubernetes.

    • kubernetes - default
    • podman
    • docker
    • linux

  2. Create a site on Kubernetes: 

    skupper site create <site-name> --namespace <namespace>
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    Specifying the namespace is not required if the context is set to the namespace where you want to create the site. For example: 

    skupper site create my-site

Waiting for status...
Site "my-site" is ready.
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    There are many options to consider when creating sites using the CLI, see CLI Reference, including frequently used options.

For example

  • --enable-link-access

    If enabled, this option allows you create tokens and link to this site. By default, this option is disabled but you can change the setting later skupper site update --enable-link-access.

  • --timeout <time>

    You can add the timeout option to specify the maximum time for the CLI wait for the site status to report ready. 

    skupper site create my-site --timeout 2m
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    The timeout option does not stop the site from being created, but if the site is not ready, the following is output: 

    Site "my-site" is not yet ready: Pending
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    You can check the status of the site at any time using skupper site status.

7.3. Deleting a site using the CLI on Kubernetes
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Prerequisites

  • The skupper CLI is installed.

Procedure

  1. Change context to the namespace where the site was created, for example: 

    kubectl config set-context --current --namespace west
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  2. Enter the following command to delete a site: 

    skupper site delete
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