---
version: 1
reporting: checks-v1
policy:
    # XXX We restrict taskcluster to collaborators so priviledged tests (like UI tests) can run on PRs
    pullRequests: collaborators
tasks:
    - $let:
          taskgraph:
              branch: taskgraph
              revision: 09d4c6dec78d17beb186eef1f79c1ab712ccc433
          trustDomain: mobile
      in:
          $let:
              # Github events have this stuff in different places...
              ownerEmail:
                  $if: 'tasks_for in ["cron", "action"]'
                  then: '${tasks_for}@noreply.mozilla.org'
                  else:
                      $if: 'event.sender.login == "bors[bot]"'
                      then: 'skaspari+mozlando@mozilla.com'   # It must match what's in bors.toml
                      else:
                          $if: 'tasks_for == "github-push"'
                          then: '${event.pusher.email}'
                          # Assume Pull Request
                          else:
                              $if: 'tasks_for == "github-pull-request"'
                              then: '${event.pull_request.user.login}@users.noreply.github.com'
                              else:
                                  $if: 'tasks_for == "github-release"'
                                  then: '${event.sender.login}@users.noreply.github.com'

              baseRepoUrl:
                  $if: 'tasks_for in ["github-push", "github-release"]'
                  then: '${event.repository.html_url}'
                  else:
                      $if: 'tasks_for == "github-pull-request"'
                      then: '${event.pull_request.base.repo.html_url}'
                      else:
                          $if: 'tasks_for in ["cron", "action"]'
                          then: '${repository.url}'
              repoUrl:
                  $if: 'tasks_for in ["github-push", "github-release"]'
                  then: '${event.repository.html_url}'
                  else:
                      $if: 'tasks_for == "github-pull-request"'
                      then: '${event.pull_request.head.repo.html_url}'
                      else:
                          $if: 'tasks_for in ["cron", "action"]'
                          then: '${repository.url}'
              project:
                  $if: 'tasks_for in ["github-push", "github-release"]'
                  then: '${event.repository.name}'
                  else:
                      $if: 'tasks_for == "github-pull-request"'
                      then: '${event.pull_request.head.repo.name}'
                      else:
                          $if: 'tasks_for in ["cron", "action"]'
                          then: '${repository.project}'
              head_branch:
                  $if: 'tasks_for == "github-pull-request"'
                  then: ${event.pull_request.head.ref}
                  else:
                      $if: 'tasks_for == "github-push"'
                      then: ${event.ref}
                      else:
                          $if: 'tasks_for == "github-release"'
                          then: '${event.release.target_commitish}'
                          else:
                              $if: 'tasks_for in ["cron", "action"]'
                              then: '${push.branch}'
              head_sha:
                  $if: 'tasks_for == "github-push"'
                  then: '${event.after}'
                  else:
                      $if: 'tasks_for == "github-pull-request"'
                      then: '${event.pull_request.head.sha}'
                      else:
                          $if: 'tasks_for == "github-release"'
                          then: '${event.release.tag_name}'
                          else:
                              $if: 'tasks_for in ["cron", "action"]'
                              then: '${push.revision}'
              ownTaskId:
                  $if: '"github" in tasks_for'
                  then: {$eval: as_slugid("decision_task")}
                  else:
                      $if: 'tasks_for == "cron"'
                      then: '${ownTaskId}'
              releaseAction:
                  $if: 'tasks_for == "github-release"'
                  then: ${event.action}
                  else: 'UNDEFINED'
          in:
              $if: 'tasks_for in ["github-pull-request", "action", "cron"]
              || (tasks_for == "github-push" && head_branch[:10] != "refs/tags/") && (head_branch != "staging.tmp") && (head_branch != "trying.tmp")
              || (tasks_for == "github-release" && releaseAction == "published")'
              then:
                  $let:
                      level:
                          $if: 'tasks_for in ["github-push", "github-release", "action", "cron"] && repoUrl == "https://github.com/mozilla-mobile/fenix"'
                          then: '3'
                          else: '1'
                  in:
                      taskId: '${ownTaskId}'
                      taskGroupId:
                          $if: 'tasks_for == "action"'
                          then:
                              '${action.taskGroupId}'
                          else:
                              '${ownTaskId}'  # same as taskId; this is how automation identifies a decision task
                      schedulerId: '${trustDomain}-level-${level}'
                      created: {$fromNow: ''}
                      deadline: {$fromNow: '1 day'}
                      expires: {$fromNow: '1 year 1 second'}  # 1 second so artifacts expire first, despite rounding errors
                      metadata:
                          $merge:
                              - owner: "${ownerEmail}"
                                source: '${repoUrl}/raw/${head_sha}/.taskcluster.yml'
                              - $if: 'tasks_for in ["github-push", "github-pull-request", "github-release"]'
                                then:
                                    name: "Decision Task"
                                    description: 'The task that creates all of the other tasks in the task graph'
                                else:
                                    $if: 'tasks_for == "action"'
                                    then:
                                        name: "Action: ${action.title}"
                                        description: '${action.description}'
                                    else:
                                        name: "Decision Task for cron job ${cron.job_name}"
                                        description: 'Created by a [cron task](https://firefox-ci-tc.services.mozilla.com/tasks/${cron.task_id})'
                      provisionerId: "mobile-${level}"
                      workerType: "decision"
                      tags:
                          $if: 'tasks_for in ["github-push", "github-pull-request"]'
                          then:
                              kind: decision-task
                          else:
                              $if: 'tasks_for == "action"'
                              then:
                                  kind: 'action-callback'
                              else:
                                  $if: 'tasks_for == "cron"'
                                  then:
                                      kind: cron-task
                      routes:
                          $flatten:
                              - checks
                              - $if: 'level == "3"'
                                then:
                                    - "tc-treeherder.v2.${project}.${head_sha}"
                                else: []
                      scopes:
                          # `https://` is 8 characters so, ${repoUrl[8:]} is the repository without the protocol.
                          $if: 'tasks_for == "github-push"'
                          then:
                              $let:
                                  short_head_branch:
                                      $if: 'head_branch[:11] == "refs/heads/"'
                                      then: {$eval: 'head_branch[11:]'}
                                      else: ${head_branch}
                              in:
                                  - 'assume:repo:${repoUrl[8:]}:branch:${short_head_branch}'
                          else:
                              $if: 'tasks_for == "github-pull-request"'
                              then:
                                  - 'assume:repo:github.com/${event.pull_request.base.repo.full_name}:pull-request'
                              else:
                                  $if: 'tasks_for == "github-release"'
                                  then:
                                      - 'assume:repo:${repoUrl[8:]}:release'
                                  else:
                                      $if: 'tasks_for == "action"'
                                      then:
                                          # when all actions are hooks, we can calculate this directly rather than using a variable
                                          - '${action.repo_scope}'
                                      else:
                                          - 'assume:repo:${repoUrl[8:]}:cron:${cron.job_name}'

                      requires: all-completed
                      priority: lowest
                      retries: 5

                      payload:
                          env:
                              # run-task uses these to check out the source; the inputs
                              # to `mach taskgraph decision` are all on the command line.
                              $merge:
                                  - MOBILE_BASE_REPOSITORY: '${baseRepoUrl}'
                                    MOBILE_HEAD_REPOSITORY: '${repoUrl}'
                                    MOBILE_HEAD_REF: '${head_branch}'
                                    MOBILE_HEAD_REV: '${head_sha}'
                                    MOBILE_REPOSITORY_TYPE: git
                                    TASKGRAPH_BASE_REPOSITORY: https://hg.mozilla.org/ci/taskgraph
                                    TASKGRAPH_HEAD_REPOSITORY: https://hg.mozilla.org/ci/${taskgraph.branch}
                                    TASKGRAPH_HEAD_REV: ${taskgraph.revision}
                                    TASKGRAPH_REPOSITORY_TYPE: hg
                                    REPOSITORIES: {$json: {mobile: "Fenix", taskgraph: "Taskgraph"}}
                                    HG_STORE_PATH: /builds/worker/checkouts/hg-store
                                    ANDROID_SDK_ROOT: /builds/worker/android-sdk
                                  - $if: 'tasks_for in ["github-pull-request"]'
                                    then:
                                        MOBILE_PULL_REQUEST_NUMBER: '${event.pull_request.number}'
                                  - $if: 'tasks_for == "action"'
                                    then:
                                        ACTION_TASK_GROUP_ID: '${action.taskGroupId}'  # taskGroupId of the target task
                                        ACTION_TASK_ID: {$json: {$eval: 'taskId'}}  # taskId of the target task (JSON-encoded)
                                        ACTION_INPUT: {$json: {$eval: 'input'}}
                                        ACTION_CALLBACK: '${action.cb_name}'
                                  - $if: 'tasks_for == "github-release"'
                                    then:
                                        MOBILE_HEAD_TAG: '${event.release.tag_name}'
                          features:
                              taskclusterProxy: true
                              chainOfTrust: true
                          # Note: This task is built server side without the context or tooling that
                          # exist in tree so we must hard code the hash
                          image:
                              mozillareleases/taskgraph:decision-mobile-6020473b1a928d8df50e234a7ca2e81ade2220a4fb5fbe16b02477dd64a49728@sha256:98d226736b7d03907114bf37938002b90e8a37cbe3a297690e349f1ddddb1d7c

                          maxRunTime: 1800

                          command:
                              - /usr/local/bin/run-task
                              - '--mobile-checkout=/builds/worker/checkouts/src'
                              - '--taskgraph-checkout=/builds/worker/checkouts/taskgraph'
                              - '--task-cwd=/builds/worker/checkouts/src'
                              - '--'
                              - bash
                              - -cx
                              - $let:
                                    extraArgs: {$if: 'tasks_for == "cron"', then: '${cron.quoted_args}', else: ''}
                                in:
                                    $if: 'tasks_for == "action"'
                                    then: >
                                        cd /builds/worker/checkouts/src &&
                                        ln -s /builds/worker/artifacts artifacts &&
                                        taskgraph action-callback
                                    else: >
                                        PIP_IGNORE_INSTALLED=0 pip install --user /builds/worker/checkouts/taskgraph &&
                                        PIP_IGNORE_INSTALLED=0 pip install --user arrow taskcluster pyyaml &&
                                        taskcluster/scripts/install-sdk.sh &&
                                        ln -s /builds/worker/artifacts artifacts &&
                                        ~/.local/bin/taskgraph decision
                                        --pushlog-id='0'
                                        --pushdate='0'
                                        --project='${project}'
                                        --message=""
                                        --owner='${ownerEmail}'
                                        --level='${level}'
                                        --base-repository="$MOBILE_BASE_REPOSITORY"
                                        --head-repository="$MOBILE_HEAD_REPOSITORY"
                                        --head-ref="$MOBILE_HEAD_REF"
                                        --head-rev="$MOBILE_HEAD_REV"
                                        --repository-type="$MOBILE_REPOSITORY_TYPE"
                                        --tasks-for='${tasks_for}'
                                        ${extraArgs}

                          artifacts:
                              'public':
                                  type: 'directory'
                                  path: '/builds/worker/artifacts'
                                  expires: {$fromNow: '1 year'}

                      extra:
                          $merge:
                              - treeherder:
                                    $merge:
                                        - machine:
                                              platform: gecko-decision
                                        - $if: 'tasks_for in ["github-push", "github-pull-request"]'
                                          then:
                                              symbol: D
                                          else:
                                              $if: 'tasks_for == "github-release"'
                                              then:
                                                  symbol: 'ship_fenix'
                                              else:
                                                  $if: 'tasks_for == "action"'
                                                  then:
                                                      groupName: 'action-callback'
                                                      groupSymbol: AC
                                                      symbol: "${action.symbol}"
                                                  else:
                                                      groupSymbol: cron
                                                      symbol: "${cron.job_symbol}"
                              - $if: 'tasks_for == "action"'
                                then:
                                    parent: '${action.taskGroupId}'
                                    action:
                                        name: '${action.name}'
                                        context:
                                            taskGroupId: '${action.taskGroupId}'
                                            taskId: {$eval: 'taskId'}
                                            input: {$eval: 'input'}
                              - $if: 'tasks_for == "cron"'
                                then:
                                    cron: {$json: {$eval: 'cron'}}
                              - tasks_for: '${tasks_for}'
