orb.yml

version: 2.1
description: "Assigns environmental variable dependant on if we are running on main branch, tag or another branch"

commands:
  set-env:
    parameters:
      git-branch:
        type: string
        default: ""
      git-tag:
        type: string
        default: ""
      main-branch-name:
        type: string
        default: master
      env-name-tag:
        type: string
        default: prod
      env-name-main-branch:
        type: string
        default: nonprod
      env-name-other-branch:
        type: string
        default: sandbox
      environment-variable:
        type: string
        default: ENVIRONMENT
    description: Set which environment we are in to environment variable << parameters.environment-variable>>
    steps:
      - when:
          condition:
            and:
              - not: << parameters.git-tag >>
              - not:
                  equal: [<< parameters.main-branch-name >>, << parameters.git-branch >>]
          steps:
            - run:
                name: "Other Branch: Set << parameters.environment-variable >> to << parameters.env-name-other-branch >>"
                command: echo 'export << parameters.environment-variable >>=<< parameters.env-name-other-branch >>' >> $BASH_ENV
      - when:
          condition:
            equal: [<< parameters.main-branch-name >>, << parameters.git-branch >>]
          steps:
            - run:
                name: "Main Branch: Set << parameters.environment-variable >> to << parameters.env-name-main-branch >>"
                command: echo 'export << parameters.environment-variable >>=<< parameters.env-name-main-branch >>' >> $BASH_ENV
      - when:
          condition: << parameters.git-tag >>
          steps:
            - run:
                name: "Tag: Set << parameters.environment-variable >> to << parameters.env-name-tag >>"
                command: echo 'export << parameters.environment-variable >>=<< parameters.env-name-tag >>' >> $BASH_ENV


examples:
  bare-bones:
    description: Simply pass git branch and git tag
    usage:
      version: 2.1
      
      orbs:
        env-orb: ovotech/set-current-environment@1
      
      jobs:
        set-environment:
          executor: any
          steps:
            - env-orb/set-env:
                git-branch: << pipeline.git.branch >>
                git-tag: << pipeline.git.tag >>
      
      workflows:
        test:
          jobs:
            - set-environment
  full-parameters:
    description: all parameters set
    usage:
      version: 2.1
      
      orbs:
        env-orb: ovotech/set-current-environment@1
      
      jobs:
        set-environment:
          executor: any
          steps:
            - env-orb/set-env:
                git-branch: << pipeline.git.branch >>
                git-tag: << pipeline.git.tag >>
                main-branch-name: main
                env-name-tag: tag-name
                env-name-main-branch: main-name
                env-name-other-branch: other-name
                environment-variable: PROFILE
      
      workflows:
        test:
          jobs:
            - set-environment