Bug 1894154 - Enable telemetry in CI r=firefox-build-system-reviewers,glandium

Also collect boolean flag `moz_automation` to allow filtering between
CI/Automation telemetry and the rest.

Differential Revision: https://phabricator.services.mozilla.com/D209272

build/mach_initialize.py

@@ -417,9 +417,13 @@ def _finalize_telemetry_glean(telemetry, is_bootstrap, success):
         get_vscode_running,
     )
 
+    moz_automation = any(e in os.environ for e in ("MOZ_AUTOMATION", "TASK_ID"))
+
     mach_metrics = telemetry.metrics(MACH_METRICS_PATH)
     mach_metrics.mach.duration.stop()
     mach_metrics.mach.success.set(success)
+    mach_metrics.mach.moz_automation.set(moz_automation)
+
     system_metrics = mach_metrics.mach.system
     cpu_brand = get_cpu_brand()
     if cpu_brand:

python/mach/mach/telemetry.py

@@ -91,9 +91,6 @@ def is_applicable_telemetry_environment():
         # we don't want to collect telemetry again down here.
         return False
 
-    if any(e in os.environ for e in ("MOZ_AUTOMATION", "TASK_ID")):
-        return False
-
     return True
 
 

python/mach/metrics.yaml

@@ -75,6 +75,20 @@ mach:
     expires: never
     send_in_pings:
       - usage
+  moz_automation:
+    type: boolean
+    description: True if this command is being run on Mozilla Automation/CI
+    lifetime: application
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1894154
+    data_reviews:
+      - TBD
+    notification_emails:
+      - build-telemetry@mozilla.com
+      - ahochheiden@mozilla.com
+    expires: never
+    send_in_pings:
+      - usage
 
 mach.system:
   cpu_brand: