Bug 1240149 - Add taskcluster definitions for a linux artifact based build in automation. r=nalexander

MozReview-Commit-ID: 9mqPqFc3slV

testing/taskcluster/tasks/branches/base_job_flags.yml

@@ -108,6 +108,7 @@ flags:
     - linux
     - linux64
     - linux64-st-an
+    - linux64-artifact
     - macosx64
     - macosx64-st-an
 

testing/taskcluster/tasks/branches/base_jobs.yml

@@ -132,6 +132,12 @@ builds:
         task: tasks/builds/opt_linux64.yml
       debug:
         task: tasks/builds/dbg_linux64.yml
+  linux64-artifact:
+    platforms:
+      - Linux64
+    types:
+      opt:
+        task: tasks/builds/opt_linux64_artifact.yml
   linux64-st-an:
     platforms:
       - Linux64 Static Analysis

testing/taskcluster/tasks/builds/opt_linux64_artifact.yml

@@ -0,0 +1,27 @@
+$inherits:
+  from: 'tasks/builds/linux64_clobber.yml'
+  variables:
+    build_name: 'linux64-artifact'
+    build_type: 'opt'
+task:
+  metadata:
+      name: '[TC] Linux64 Artifact Opt'
+      description: 'Linux64 Opt Artifact build'
+
+  routes:
+    - 'index.buildbot.branches.{{project}}.linux64-artifact'
+    - 'index.buildbot.revisions.{{head_rev}}.{{project}}.linux64-artifact'
+
+  workerType: opt-linux64
+
+  payload:
+    env:
+      MOZHARNESS_SCRIPT: 'mozharness/scripts/fx_desktop_build.py'
+      MOZHARNESS_CONFIG: 'builds/releng_sub_linux_configs/64_artifact.py balrog/production.py'
+      DIST_UPLOADS: ''
+      DIST_TARGET_UPLOADS: ''
+
+  extra:
+    treeherder:
+      groupSymbol: "?"
+      symbol: AB