infra: Add angle_mb_config.pyl.

infra/specs/PRESUBMIT.py

@@ -14,6 +14,10 @@ def _CommonChecks(input_api, output_api):
     angle_root = d(d(input_api.PresubmitLocalPath()))
     gen_script = os.path.join(angle_root, 'testing', 'buildbot', 'generate_buildbot_json.py')
 
+    # Validate the format of the mb_config.pyl file.
+    mb_path = os.path.join(angle_root, 'tools', 'mb', 'mb.py')
+    config_path = os.path.join(input_api.PresubmitLocalPath(), 'angle_mb_config.pyl')
+
     commands = [
         input_api.Command(
             name='generate_buildbot_json',
@@ -23,6 +27,17 @@ def _CommonChecks(input_api, output_api):
             ],
             kwargs={},
             message=output_api.PresubmitError),
+        input_api.Command(
+            name='mb_validate',
+            cmd=[
+                input_api.python_executable,
+                mb_path,
+                'validate',
+                '-f',
+                config_path,
+            ],
+            kwargs={'cwd': input_api.PresubmitLocalPath()},
+            message=output_api.PresubmitError),
     ]
     messages = []
 

infra/specs/angle_mb_config.pyl

+# Copyright 2021 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.
+
+# This is a .pyl, or "Python Literal", file. You can treat it just like a
+# .json file, with the following exceptions:
+# * all keys must be quoted (use single quotes, please);
+# * comments are allowed, using '#' syntax; and
+# * trailing commas are allowed.
+
+{
+  # This is a map of builder group names -> builder names -> config names
+  # (where each config name is a key in the 'configs' dict, below). MB uses
+  # this dict to look up which config to use for a given bot.
+  'builder_groups': {
+    'angle': {
+      'linux-clang-dbg': 'angle_goma_debug_bot',
+      'linux-clang-rel': 'angle_goma_release_bot',
+      'linux-gcc-dbg': 'angle_non_clang_debug_bot',
+      'linux-gcc-rel': 'angle_non_clang_release_bot',
+      'mac-dbg': 'angle_goma_debug_bot',
+      'mac-rel': 'angle_goma_release_bot',
+      'win-clang-x64-dbg': 'angle_goma_debug_bot',
+      'win-clang-x64-rel': 'angle_goma_release_bot',
+      'win-clang-x86-dbg': 'angle_goma_x86_debug_bot',
+      'win-clang-x86-rel': 'angle_goma_x86_release_bot',
+      'win-msvc-x64-dbg': 'angle_non_clang_debug_bot',
+      'win-msvc-x64-rel': 'angle_non_clang_release_bot',
+      'win-msvc-x86-dbg': 'angle_non_clang_x86_debug_bot',
+      'win-msvc-x86-rel': 'angle_non_clang_x86_release_bot',
+      'winuwp-x64-dbg': 'angle_winuwp_non_clang_debug_bot',
+      'winuwp-x64-rel': 'angle_winuwp_non_clang_release_bot',
+    },
+  },
+
+  # This is the list of configs that you can pass to mb; each config
+  # represents a particular combination of gn args that
+  # we must support. A given config *may* be platform-specific but
+  # is not necessarily so (i.e., we might have mac, win, and linux
+  # bots all using the 'release_bot' config).
+  'configs': {
+    'angle_goma_debug_bot': ['angle', 'goma', 'debug'],
+    'angle_goma_release_bot': ['angle', 'goma', 'release'],
+    'angle_goma_x86_debug_bot': ['angle', 'goma', 'x86', 'debug'],
+    'angle_goma_x86_release_bot': ['angle', 'goma', 'x86', 'release'],
+    'angle_non_clang_debug_bot': ['angle', 'non_clang', 'debug'],
+    'angle_non_clang_release_bot': ['angle', 'non_clang', 'release'],
+    'angle_non_clang_x86_debug_bot': ['angle', 'non_clang', 'x86', 'debug'],
+    'angle_non_clang_x86_release_bot': ['angle', 'non_clang', 'x86', 'release'],
+    'angle_winuwp_non_clang_debug_bot': ['angle', 'winuwp', 'non_clang', 'debug'],
+    'angle_winuwp_non_clang_release_bot': ['angle', 'winuwp', 'non_clang', 'release'],
+  },
+
+  # This is a dict mapping a given 'mixin' name to a dict of settings that
+  # mb should use. See //tools/mb/docs/user_guide.md for more information.
+  'mixins': {
+    'angle': {
+      'gn_args': 'build_angle_gles1_conform_tests=true build_angle_trace_perf_tests=true is_component_build=false'
+    },
+    'debug': {
+      'gn_args': 'is_debug=true',
+    },
+    'goma': {
+      'gn_args': 'use_goma=true'
+    },
+    'non_clang': {
+      'gn_args': 'is_clang=false'
+    },
+    'release': {
+      'gn_args': 'is_debug=false'
+    },
+    'winuwp': {
+      'gn_args': 'target_os="winuwp"'
+    },
+    'x86': {
+      'gn_args': 'target_cpu="x86"'
+    },
+  },
+}