*: report metrics to the VM agent

babel.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', { targets: { node: 'current' } }],
+    '@babel/preset-typescript'
+  ]
+}; 

jest.config.ts

@@ -6,8 +6,12 @@ const config: Config.InitialOptions = {
   testEnvironment: 'node',
   testMatch: ['**/*.test.ts'],
   transform: {
-    '^.+\\.ts$': 'ts-jest'
+    '^.+\\.ts$': 'ts-jest',
+    '^.+\\.js$': 'babel-jest'
   },
+  transformIgnorePatterns: [
+    '/node_modules/(?!(@buf|@connectrpc)/)'
+  ],
   verbose: true,
   collectCoverage: true,
   collectCoverageFrom: [

package.json

@@ -27,7 +27,7 @@
   "packageManager": "yarn@3.6.3",
   "dependencies": {
     "@actions/core": "^1.10.1",
-    "@buf/blacksmith_vm-agent.connectrpc_es": "^1.6.1-20241213043610-906584953dd9.2",
+    "@buf/blacksmith_vm-agent.connectrpc_es": "^1.6.1-20241220192643-e85a9caa965d.2",
     "@connectrpc/connect": "^1.6.1",
     "@connectrpc/connect-node": "^1.6.1",
     "@docker/actions-toolkit": "0.37.1",
@@ -38,11 +38,15 @@
     "portfinder": "^1.0.32"
   },
   "devDependencies": {
+    "@babel/core": "^7.26.0",
+    "@babel/preset-env": "^7.26.0",
+    "@babel/preset-typescript": "^7.26.0",
     "@types/jest": "^29.5.14",
     "@types/node": "^20.12.12",
     "@typescript-eslint/eslint-plugin": "^7.9.0",
     "@typescript-eslint/parser": "^7.9.0",
     "@vercel/ncc": "^0.38.1",
+    "babel-jest": "^29.7.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-jest": "^28.5.0",

src/__tests__/blacksmith-builder.test.ts

@@ -3,6 +3,7 @@ import * as main from '../main';
 import * as reporter from '../reporter';
 import {getDockerfilePath} from '../context';
 import * as setupBuilder from '../setup_builder';
+import { Metric_MetricType } from "@buf/blacksmith_vm-agent.bufbuild_es/stickydisk/v1/stickydisk_pb";
 
 jest.mock('@actions/core', () => ({
   debug: jest.fn(),
@@ -20,9 +21,14 @@ jest.mock('../context', () => ({
   Inputs: jest.fn()
 }));
 
-jest.mock('../reporter', () => ({
-  reportBuildPushActionFailure: jest.fn().mockResolvedValue(undefined)
-}));
+jest.mock('../reporter', () => {
+  const actual = jest.requireActual('../reporter');
+  return {
+    ...actual,
+    reportBuildPushActionFailure: jest.fn().mockResolvedValue(undefined),
+    reportMetric: jest.fn().mockImplementation((type: Metric_MetricType) => Promise.resolve())
+  };
+});
 
 jest.mock('../setup_builder', () => ({
   ...jest.requireActual('../setup_builder'),

src/main.ts

@@ -21,6 +21,7 @@ import {promisify} from 'util';
 import {exec} from 'child_process';
 import * as reporter from './reporter';
 import {setupStickyDisk, startAndConfigureBuildkitd, getNumCPUs} from './setup_builder';
+import { Metric, Metric_MetricType } from "@buf/blacksmith_vm-agent.bufbuild_es/stickydisk/v1/stickydisk_pb";
 
 const buildxVersion = 'v0.17.0';
 const mountPoint = '/var/lib/buildkit';
@@ -73,9 +74,16 @@ export async function startBlacksmithBuilder(inputs: context.Inputs): Promise<{a
     if (!dockerfilePath) {
       throw new Error('Failed to resolve dockerfile path');
     }
+    const stickyDiskStartTime = Date.now();
     const stickyDiskSetup = await setupStickyDisk(dockerfilePath);
+    const stickyDiskDurationMs = Date.now() - stickyDiskStartTime;
+    await reporter.reportMetric(Metric_MetricType.BPA_HOTLOAD_DURATION_MS, stickyDiskDurationMs);
     const parallelism = await getNumCPUs();
+
+    const buildkitdStartTime = Date.now();
     const buildkitdAddr = await startAndConfigureBuildkitd(parallelism, stickyDiskSetup.device);
+    const buildkitdDurationMs = Date.now() - buildkitdStartTime;
+    await reporter.reportMetric(Metric_MetricType.BPA_BUILDKITD_READY_DURATION_MS, buildkitdDurationMs);
 
     return {addr: buildkitdAddr, buildId: stickyDiskSetup.buildId || null, exposeId: stickyDiskSetup.exposeId};
   } catch (error) {
@@ -100,6 +108,7 @@ export async function startBlacksmithBuilder(inputs: context.Inputs): Promise<{a
 actionsToolkit.run(
   // main
   async () => {
+    await reporter.reportMetric(Metric_MetricType.BPA_FEATURE_USAGE, 1);
     const startedTime = new Date();
     const inputs: context.Inputs = await context.getInputs();
     stateHelper.setInputs(inputs);
@@ -317,7 +326,10 @@ actionsToolkit.run(
         try {
           const {stdout} = await execAsync('pgrep buildkitd');
           if (stdout.trim()) {
+            const buildkitdShutdownStartTime = Date.now();
             await shutdownBuildkitd();
+            const buildkitdShutdownDurationMs = Date.now() - buildkitdShutdownStartTime;
+            await reporter.reportMetric(Metric_MetricType.BPA_BUILDKITD_SHUTDOWN_DURATION_MS, buildkitdShutdownDurationMs);
             core.info('Shutdown buildkitd');
           }
         } catch (error) {

src/reporter.ts

@@ -6,6 +6,7 @@ import FormData from 'form-data';
 import { createClient } from "@connectrpc/connect";
 import { createGrpcTransport } from "@connectrpc/connect-node";
 import { StickyDiskService } from "@buf/blacksmith_vm-agent.connectrpc_es/stickydisk/v1/stickydisk_connect";
+import { Metric, Metric_MetricType } from "@buf/blacksmith_vm-agent.bufbuild_es/stickydisk/v1/stickydisk_pb";
 
 // Configure base axios instance for Blacksmith API.
 const createBlacksmithAPIClient = () => {
@@ -175,3 +176,25 @@ export async function post(client: AxiosInstance, url: string, formData: FormDat
     signal: options?.signal
   });
 }
+
+export async function reportMetric(
+  metricType: Metric_MetricType,
+  value: number
+): Promise<void> {
+  try {
+    const agentClient = createBlacksmithAgentClient();
+    
+    const metric = new Metric({
+      type: metricType,
+      value: { case: "intValue", value: BigInt(value) }
+    });
+
+    await agentClient.reportMetric({
+      repoName: process.env.GITHUB_REPO_NAME || '',
+      region: process.env.BLACKSMITH_REGION || 'eu-central',
+      metric: metric
+    });
+  } catch (error) {
+    core.warning('Error reporting metric to BlacksmithAgent:', error);
+  }
+}