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Slack Message Kubernetes Controller

This is a simple Kubernetes controller built using Kubebuilder and Crossplane-Runtime.

Running Locally

Execute the following steps to run the Slack controller locally on a KIND cluster:

  1. Make sure you have installed KIND.
  2. Create a new cluster: kind create cluster.
  3. Set your kubectl configuration to talk to your KIND cluster: export KUBECONFIG="$(kind get kubeconfig-path --name="kind")".
  4. Install the Slack CRD's: make install.
  5. Create token.txt in config/tbs/slack.
  6. Go to https://api.slack.com/custom-integrations/legacy-tokens and create an API token for your chosen Workspace.
  7. Paste the API token into token.txt.
  8. Start the Slack controller: make run. This will run in the foreground, so you may want to open a new terminal window. If you do, make sure to export KUBECONFIG in that session as well.
  9. Create a Secret and Provider object populated with your API token: ./config/tbs/slack/provider.sh.
  10. Edit config/tbs/slack/message.yaml with your desired message and channel to post to. You can find your channel ID by navigating to the channel in your browser and it will be the last part of the URL path.
  11. Create your Message object: kubectl apply -f config/tbs/slack/message.yaml

You should see a message posted to your Slack channel, and the controller should report successful reconciliation in your logs!

Create Your Own

This project was bootstrapped using Kubebuilder. You can copy this project and modify it, or setup your own using the Kubebuilder book.