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GitHub Actions Workflows

These workflows define a CI/CD pipeline that is intended to work both for the main repo and for forks.

NOTE: GitHub will prevent actions from running on forks by default. You will have to enable them under the 'Actions' tab after forking.

GitHub Actions workflows overview:

  • Run unit tests and style checks against PR's
  • Run end-to-end tests whenever a PR is merged
  • Build and publish zip/yaml files needed to spin up a TEA stack on releases

In order for the end-to-end tests to run you need to set the RUN_TESTS secret in your repository secrets to true. However, currently these tests assume they are running in ASF's environment, so enabling them is probably not desired on forked repos, hence they are disabled by default. All other secrets are stored in GitHub environments.

Environments

There are two environments used to control which AWS resources will be modified by GitHub Actions. The prod environment is used for pushing finished build artifacts and build status files to a public bucket. The test environment is used for deploying a test stack and running the end-to-end tests against it. Unless you enable the end-to-end tests with the RUN_TESTS repository secret, you don't need to configure any secrets in the test environment.

  • prod
    • AWS Credentials (see below)
  • test
    • AWS Credentials (see below)
    • URS_USERNAME URS username used by end-to-end tests for authenticated downloads
    • URS_PASSWORD URS password used by end-to-end tests for authenticated downloads
    • If the config file doesn't specify a value for URS_AUTH_CREDS_SECRET_NAME, the following secrets are also needed:
      • URS_CLIENT_ID
      • EDL_APP_UID
      • EDL_APP_PASSWORD

Setting up AWS Credentials

  • AWS_ACCESS_KEY_ID
  • AWS_SECRET_ACCESS_KEY
  • (optional) AWS_ROLE_ARN
  • (optional) AWS_REGION

Config file

Unfortunately, GitHub currently doesn't support non-secret configuration variables. Therefore all non-secret configuration is stored in .env files located in the config-public directory. The file names correspond to the environment names that the configuraiton belongs to. After forking the repo, you can commit changes to these files to adjust the setup for your use case.

Build Configuration

The build configuration is located in prod.env and includes the following options:

  • CODE_BUCKET Bucket to upload build results to. Needs to allow public ACL.
  • (optional) CODE_PREFIX All objects uploaded to the code bucket get this prefix

Test Configuration

The end-to-end test configuration is located in test.env and includes the following options:

  • BUCKET_MAP_FILE Name of the bucket map file to use from the config bucket.
  • BUCKETNAME_PREFIX
  • CODE_BUCKET Bucket to upload build results to for testing. Probably a private bucket.
  • CODE_PREFIX All objects uploaded to the code bucket get this prefix.
  • CONFIG_BUCKET Bucket containing configuration files such as the bucket map. Defaults to CODE_BUCKET
  • COOKIE_DOMAIN
  • DOMAIN_CERT_ARN
  • DOMAIN_NAME
  • JWT_KEY_SECRET_NAME Name of the AWS SecretsManager secret containing the JWT public and private keys. This can be omitted and a secret will be created automatically with a newly generated key pair.
  • STACK_NAME Name of the CloudFormation stack to update
  • URS_AUTH_CREDS_SECRET_NAME Name of the AWS SecretsManager secret containing URS client id and client secret. This can be omitted and a secret will be created automatically using the following github environment secrets:
    • URS_CLIENT_ID
    • EDL_APP_UID
    • EDL_APP_PASSWORD
  • URS_URL URL to use for Earthdata login.

CodeCov

The unit test workflows that run on PR's report coverage data to CodeCov. This service is free to use for open source projects, however, it does need to be activated before the codecov uploader will work. To do this just go to https://codecov.io/, sign in and add your fork. You can then add the CodeCov app in your repository integration settings to get statuses from CodeCov on PR's.