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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
---
# yamllint disable rule:indentation
# This file is rendered via JSON-e by
# - mozilla-taskcluster - See
#   https://docs.taskcluster.net/reference/integrations/mozilla-taskcluster/docs/taskcluster-yml
#   {
#     tasks_for: 'hg-push',
#     push: {owner, comment, pushlog_id, pushdate},
#     repository: {url, project, level},
#     now,
#     as_slugid: // function
#     ownTaskId: // taskId of the task that will be created
#   }
#
# - cron tasks - See taskcluster/taskgraph/cron/decision.py
#   {
#     tasks_for: 'cron',
#     push: {revision, pushlog_id, pushdate, owner}
#     repository: {url, project, level},
#     cron: {task_id, job_name, job_symbol, quoted_args},
#     now,
#     ownTaskId: // taskId of the task that will be created
#   }
#
# - action tasks - See:
#   * taskcluster/taskgraph/actions/registry.py,
#   * https://docs.taskcluster.net/docs/manual/using/actions/spec
#   * ci-admin:ciadmin/generate/in_tree_actions.py
#
#   The registry generates the hookPayload that appears in actions.json, and
#   contains data from the decision task as well as JSON-e code to combine that
#   with data supplied as part of the action spec.  When the hook is fired, the
#   hookPayload is rendered with JSON-e to produce a payload for the hook task
#   template.
#
#   The ci-admin code wraps the content of this file (.taskcluster.yml) with a
#   JSON-e $let statement that produces the context described below, and
#   installs that as the hook task template.
#
#   {
#     tasks_for: 'action',
#     push: {owner, pushlog_id, revision},
#     repository: {url, project, level},
#     input,
#     parameters,
#     taskId,      // targetted taskId
#     taskGroupId, // targetted taskGroupId
#     action: {name, title, description, taskGroupId, symbol, repo_scope, cb_name}
#     ownTaskId:   // taskId of the task that will be created
#   }

version: 1

tasks:
  - $let:
      # sometimes the push user is just `ffxbld` or the like, but we want an email-like field..
      ownerEmail: {$if: '"@" in push.owner', then: '${push.owner}', else: '${push.owner}@noreply.mozilla.org'}
      # ensure there's no trailing `/` on the repo URL
      repoUrl: {$if: 'repository.url[-1] == "/"', then: {$eval: 'repository.url[:-1]'}, else: {$eval: 'repository.url'}}
      # Hardcode cron push info for now, so that we can transition to using real values without breaking callers of Chain of Trust
      _pushId: {$if: 'tasks_for == "cron"', then: '-1', else: {$eval: 'push.pushlog_id'}}
    in:
      taskId: {$if: 'tasks_for != "action"', then: '${ownTaskId}'}
      taskGroupId:
        $if: 'tasks_for == "action"'
        then:
          '${action.taskGroupId}'
        else:
          '${ownTaskId}'  # same as taskId; this is how automation identifies a decision tsak
      schedulerId: 'comm-level-${repository.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: "${repoUrl}/raw-file/${push.revision}/.taskcluster.yml"
          - $if: 'tasks_for == "hg-push"'
            then:
              name: "Thunderbird 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 ${cron.job_name}"
                description: 'Created by a [cron task](https://tools.taskcluster.net/tasks/${cron.task_id})'

      provisionerId: "aws-provisioner-v1"
      workerType: "gecko-${repository.level}-decision"

      tags:
        $if: 'tasks_for == "hg-push"'
        then: {createdForUser: "${ownerEmail}"}
        else:
          $if: 'tasks_for == "action"'
          then:
            createdForUser: '${ownerEmail}'
            kind: 'action-callback'

      routes:
        $flatten:
          - "tc-treeherder.v2.${repository.project}.${push.revision}.${push.pushlog_id}"
          - "tc-treeherder-stage.v2.${repository.project}.${push.revision}.${push.pushlog_id}"
          - $if: 'tasks_for == "hg-push"'
            then:
              - "index.comm.v2.${repository.project}.latest.taskgraph.decision"
              - "index.comm.v2.${repository.project}.revision.${push.revision}.taskgraph.decision"
              - "index.comm.v2.${repository.project}.pushlog-id.${push.pushlog_id}.decision"
              - "notify.email.${ownerEmail}.on-failed"
              - "notify.email.${ownerEmail}.on-exception"
            else:
              $if: 'tasks_for == "action"'
              then:
                - "notify.email.taskcluster-notifications+action-task@mozilla.com.on-failed"
                - "notify.email.taskcluster-notifications+action-task@mozilla.com.on-exception"
                - "index.comm.v2.${repository.project}.pushlog-id.${_pushId}.actions.${ownTaskId}"
              else:
                - "index.comm.v2.${repository.project}.latest.taskgraph.decision-${cron.job_name}"

      scopes:
        $if: 'tasks_for == "hg-push"'
        then:
          - 'assume:repo:${repoUrl[8:]}:branch:default'
          - 'queue:route:notify.email.${ownerEmail}.*'
          - 'in-tree:hook-action:project-comm/in-tree-action-${repository.level}-*'
        else:
          $if: 'tasks_for == "action"'
          then:
            - '${action.repo_scope}'
          else:
            - 'assume:repo:${repoUrl[8:]}:cron:${cron.job_name}'

      dependencies: []
      requires: all-completed

      priority: lowest
      retries: 5

      payload:
        env:
          # checkout-gecko uses these to check out the source; the inputs
          # to `mach taskgraph decision` are all on the command line.
          $merge:
            - COMM_BASE_REPOSITORY: 'https://hg.mozilla.org/comm-central'
              COMM_HEAD_REPOSITORY: '${repoUrl}'
              COMM_HEAD_REF: '${push.revision}'
              COMM_HEAD_REV: '${push.revision}'
              HG_STORE_PATH: /builds/worker/checkouts/hg-store
              TASKCLUSTER_CACHES: /builds/worker/checkouts
              # someday, these will be provided by the worker - Bug 1492664
              TASKCLUSTER_ROOT_URL: https://taskcluster.net
              TASKCLUSTER_PROXY_URL: http://taskcluster
            - $if: 'tasks_for == "action"'
              then:
                ACTION_TASK_GROUP_ID: '${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: '${action.cb_name}'
                ACTION_PARAMETERS: {$json: {$eval: 'parameters'}}

        cache:
          level-${repository.level}-checkouts-sparse-v2: /builds/worker/checkouts

        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: 'taskcluster/decision:2.2.0@sha256:cbeadf57300de60408bf1337e723f0cb1f0200f559799cb54deb9535d1e03b4a'

        maxRunTime: 1800

        command:
          - /builds/worker/bin/comm-task-env
          - /builds/worker/bin/run-task
          - '--gecko-checkout=/builds/worker/checkouts/gecko'
          - '--gecko-sparse-profile=build/sparse-profiles/taskgraph'
          - '--comm-checkout=/builds/worker/checkouts/gecko/comm'
          - '--'
          - bash
          - -cx
          - $let:
              extraArgs: {$if: 'tasks_for == "cron"', then: '${cron.quoted_args}', else: ''}
            in:
              $if: 'tasks_for == "action"'
              then: >
                cd /builds/worker/checkouts/gecko &&
                ln -s /builds/worker/artifacts artifacts &&
                ./mach --log-no-times taskgraph action-callback
                --root=comm/taskcluster/ci
              else: >
                cd /builds/worker/checkouts/gecko &&
                ln -s /builds/worker/artifacts artifacts &&
                ./mach --log-no-times taskgraph decision
                --root=comm/taskcluster/ci
                --pushlog-id='${push.pushlog_id}'
                --pushdate='${push.pushdate}'
                --project='${repository.project}'
                --owner='${ownerEmail}'
                --level='${repository.level}'
                --tasks-for='${tasks_for}'
                --base-repository="$GECKO_BASE_REPOSITORY"
                --head-repository="$GECKO_HEAD_REPOSITORY"
                --head-ref="$GECKO_HEAD_REF"
                --head-rev="$GECKO_HEAD_REV"
                --comm-base-repository="$COMM_BASE_REPOSITORY"
                --comm-head-repository="$COMM_HEAD_REPOSITORY"
                --comm-head-ref="$COMM_HEAD_REF"
                --comm-head-rev="$COMM_HEAD_REV"
                --try-task-config-file=comm/try_task_config.json
                ${extraArgs}

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

      extra:
        $merge:
          - treeherder:
              $merge:
                - machine:
                    platform: gecko-decision
                - $if: 'tasks_for == "hg-push"'
                  then:
                    symbol: D
                  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'}
                  parameters: {$eval: 'parameters'}
          - $if: 'tasks_for == "cron"'
            then:
              cron: {$json: {$eval: 'cron'}}
          - tasks_for: '${tasks_for}'