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CONTRIBUTING.md

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Contributing Guide

The Brigade Cron Event Source is an official extension of the Brigade project and as such follows all of the practices and policies laid out in the main Brigade Contributor Guide. Anyone interested in contributing to this gateway should familiarize themselves with that guide first.

The remainder of this document only supplements the above with things specific to this project.

Running make hack-kind-up

As with the main Brigade repository, running make hack-kind-up in this repository will utilize ctlptl and KinD to launch a local, development-grade Kubernetes cluster that is also connected to a local Docker registry.

In contrast to the main Brigade repo, this cluster is not pre-configured for building and running Brigade itself from source, rather it is pre-configured for building and running this event source from source. Because Brigade is a logical prerequisite for this event source to be useful in any way, make hack-kind-up will pre-install a recent, stable release of Brigade into the cluster.

Running tilt up

As with the main Brigade repository, running tilt up will build and deploy project code (the event source, in this case) from source.

For the event source to successfully communicate with the Brigade instance in your local, development-grade cluster, you will need to execute the following steps before running tilt up:

  1. Log into Brigade:

    $ brig login -k -s https://localhost:31600 --root

    The root password is F00Bar!!!.

  2. Create a service account for the gateway:

    $ brig service-account create \
    --id cron-event-source \
    --description cron-event-source

  3. Copy the token returned from the previous step and export it as the BRIGADE_API_TOKEN environment variable:

    $ export BRIGADE_API_TOKEN=<token from previous step>

  4. Grant the service account permission to create events:

    $ brig role grant EVENT_CREATOR \
  --service-account cron-event-source \
  --source brigade.sh/cron

    ⚠️  Contributions that automate the creation and configuration of the service account setup are welcome.

  5. Edit the events section of charts/brigade-cron-event-source/values.yaml to describe the events you'd like to emit into Brigade and the schedule on which they should be emitted. Refer to instructions in the README for more information.

    ⚠️  Take care not to include modifications to the values.yaml file in any PRs you open.

You can then run tilt up to build and deploy this gateway from source.