1 files changed, 32 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/metrics/MetricsModule.java b/src/main/java/com/google/devtools/build/lib/metrics/MetricsModule.java
new file mode 100644
index 0000000000..0c8c32f5b2
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/metrics/MetricsModule.java
@@ -0,0 +1,32 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.metrics;
+
+import com.google.devtools.build.lib.runtime.BlazeModule;
+import com.google.devtools.build.lib.runtime.CommandEnvironment;
+
+/**
+ * A blaze module that installs metrics instrumentations and issues a {@link BuildMetricsEvent} at
+ * the end of the build.
+ */
+public class MetricsModule extends BlazeModule {
+
+  @Override
+  public void beforeCommand(CommandEnvironment env) {
+    MetricsCollector.installInEnv(env);
+  }
+
+  @Override
+  public void afterCommand() {}
+}