Bug 1602773 - Run glean_parser for linting metrics.yaml. r=ahal,chutten CLOSED TREE

Differential Revision: https://phabricator.services.mozilla.com/D64320

Depends on D64313

--HG--
extra : histedit_source : 6399e26a18fa9d8fbab1c480cb29b84d3ab46978

toolkit/components/telemetry/build_scripts/run_glean_parser.py

@@ -0,0 +1,17 @@
+# 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/.
+
+import sys
+
+from glean_parser import lint
+from pathlib import Path
+
+
+def main(output, *filenames):
+    if lint.glinter([Path(x) for x in filenames], {"allow_reserved": False}):
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+    main(sys.stdout, *sys.argv[1:])

toolkit/components/telemetry/moz.build

@@ -228,6 +228,18 @@ GeneratedFile('TelemetryProcessData.h',
               py2=True,
               inputs=processes_files)
 
+# Ensure that the GeckoView metrics file parses correctly prior to it
+# being released in Android components. This triggers glean_parser by
+# pretending to generate a file named 'glean_checks'.
+# While this currently only applies to Android, in the medium-term it
+# is going to generate code for Firefox as well (project FOG).
+# Prior art for this was in bug 1063728, within SpiderMonkey tests.
+GeneratedFile(
+    'glean_checks',
+    script='build_scripts/run_glean_parser.py',
+    py2=False,
+    inputs=['geckoview/streaming/metrics.yaml'])
+
 # Add support for GeckoView: please note that building GeckoView
 # implies having an Android build. The packaging step decides
 # which files to include. As a consequence, we can simply only