Add a helper script for triggering tests on swarming.

scripts/trigger.bat

+@python %~dp0\trigger.py %*

scripts/trigger.py

+#!/usr/bin/python2
+#
+# Copyright 2019 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# trigger.py:
+#   Helper script for triggering GPU tests on swarming.
+
+import argparse
+import os
+import subprocess
+import sys
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(os.path.basename(sys.argv[0]))
+    parser.add_argument('gn_path', help='path to GN. (e.g. out/Release)')
+    parser.add_argument('test', help='test name. (e.g. angle_end2end_tests)')
+    parser.add_argument('os_dim', help='OS dimension. (e.g. Windows-10)')
+    parser.add_argument('gpu_dim', help='GPU dimension. (e.g. intel-hd-630-win10-stable)')
+    parser.add_argument('-s', '--shards', default=1, help='number of shards', type=int)
+    parser.add_argument('-p', '--pool', default='Chrome-GPU', help='swarming pool')
+    parser.add_argument('extra_args', help='extra test command line arguments', nargs='*')
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+    path = args.gn_path.replace('\\', '/')
+    out_gn_path = '//' + path
+    out_file_path = os.path.join(*path.split('/'))
+
+    mb_script_path = os.path.join('tools', 'mb', 'mb.py')
+    subprocess.call(['python', mb_script_path, 'isolate', out_gn_path, args.test])
+
+    isolate_script_path = os.path.join('tools', 'swarming_client', 'isolate.py')
+    isolate_file = os.path.join(out_file_path, '%s.isolate' % args.test)
+    isolated_file = os.path.join(out_file_path, '%s.isolated' % args.test)
+
+    isolate_args = [
+        'python', isolate_script_path, 'archive',
+        '-I', 'https://isolateserver.appspot.com',
+        '-i', isolate_file,
+        '-s', isolated_file]
+    stdout = subprocess.check_output(isolate_args)
+    sha = stdout[:40]
+
+    print('Got an isolated SHA of %s' % sha)
+    swarming_script_path = os.path.join('tools', 'swarming_client', 'swarming.py')
+
+    swarmings_args = [
+        'python', swarming_script_path, 'trigger',
+        '-S', 'chromium-swarm.appspot.com',
+        '-I', 'isolateserver.appspot.com',
+        '-d', 'os', args.os_dim,
+        '-d', 'pool', args.pool,
+        '-d', 'gpu', args.gpu_dim,
+        '--shards=%d' % args.shards,
+        '-s', sha]
+
+    if args.extra_args:
+        swarmings_args += ['--'] + args.extra_args
+
+    print(' '.join(swarmings_args))
+    subprocess.call(swarmings_args)
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())