Implement telemetry for shell git commands (#6665)

Author: nikita-tkachenko-datadog

dd-java-agent/agent-ci-visibility/build.gradle

@@ -91,6 +91,7 @@ excludedClassesCoverage += [
   "datadog.trace.civisibility.utils.ProcessHierarchyUtils",
   "datadog.trace.civisibility.utils.ShellCommandExecutor",
   "datadog.trace.civisibility.utils.ShellCommandExecutor.OutputParser",
+  "datadog.trace.civisibility.utils.ShellCommandExecutor.ShellCommandFailedException",
   "datadog.trace.civisibility.utils.SpanUtils"
 ]
 

dd-java-agent/agent-ci-visibility/src/main/java/datadog/trace/civisibility/CiVisibilityServices.java

@@ -2,6 +2,7 @@
 
 import datadog.communication.ddagent.SharedCommunicationObjects;
 import datadog.trace.api.Config;
+import datadog.trace.api.civisibility.telemetry.CiVisibilityMetricCollector;
 import datadog.trace.api.git.GitInfoProvider;
 import datadog.trace.civisibility.ci.CIProviderInfoFactory;
 import datadog.trace.civisibility.communication.BackendApi;
@@ -42,6 +43,7 @@ public class CiVisibilityServices {
   private static final String GIT_FOLDER_NAME = ".git";
 
   final Config config;
+  final CiVisibilityMetricCollector metricCollector;
   final BackendApi backendApi;
   final JvmInfoFactory jvmInfoFactory;
   final CIProviderInfoFactory ciProviderInfoFactory;
@@ -53,11 +55,15 @@ public class CiVisibilityServices {
   @Nullable final SignalClient.Factory signalClientFactory;
 
   CiVisibilityServices(
-      Config config, SharedCommunicationObjects sco, GitInfoProvider gitInfoProvider) {
+      Config config,
+      CiVisibilityMetricCollector metricCollector,
+      SharedCommunicationObjects sco,
+      GitInfoProvider gitInfoProvider) {
     this.config = config;
+    this.metricCollector = metricCollector;
     this.backendApi = new BackendApiFactory(config, sco).createBackendApi();
     this.jvmInfoFactory = new CachingJvmInfoFactory(config, new JvmInfoFactoryImpl());
-    this.gitClientFactory = new GitClient.Factory(config);
+    this.gitClientFactory = new GitClient.Factory(config, metricCollector);
     this.ciProviderInfoFactory = new CIProviderInfoFactory(config);
     this.methodLinesResolver =
         new BestEffortMethodLinesResolver(

dd-java-agent/agent-ci-visibility/src/main/java/datadog/trace/civisibility/CiVisibilitySystem.java

@@ -10,6 +10,8 @@
 import datadog.trace.api.civisibility.coverage.CoverageDataSupplier;
 import datadog.trace.api.civisibility.events.BuildEventsHandler;
 import datadog.trace.api.civisibility.events.TestEventsHandler;
+import datadog.trace.api.civisibility.telemetry.CiVisibilityMetricCollector;
+import datadog.trace.api.civisibility.telemetry.NoOpMetricCollector;
 import datadog.trace.api.git.GitInfoProvider;
 import datadog.trace.civisibility.config.JvmInfo;
 import datadog.trace.civisibility.coverage.instrumentation.CoverageClassTransformer;
@@ -19,6 +21,7 @@
 import datadog.trace.civisibility.events.BuildEventsHandlerImpl;
 import datadog.trace.civisibility.events.TestEventsHandlerImpl;
 import datadog.trace.civisibility.ipc.SignalServer;
+import datadog.trace.civisibility.telemetry.CiVisibilityMetricCollectorImpl;
 import datadog.trace.civisibility.utils.ProcessHierarchyUtils;
 import datadog.trace.util.throwable.FatalAgentMisconfigurationError;
 import java.lang.instrument.Instrumentation;
@@ -53,7 +56,14 @@ public static void start(Instrumentation inst, SharedCommunicationObjects sco) {
 
     sco.createRemaining(config);
 
-    CiVisibilityServices services = new CiVisibilityServices(config, sco, GitInfoProvider.INSTANCE);
+    CiVisibilityMetricCollector metricCollector =
+        config.isCiVisibilityTelemetryEnabled()
+            ? new CiVisibilityMetricCollectorImpl()
+            : NoOpMetricCollector.INSTANCE;
+    InstrumentationBridge.registerMetricCollector(metricCollector);
+
+    CiVisibilityServices services =
+        new CiVisibilityServices(config, metricCollector, sco, GitInfoProvider.INSTANCE);
 
     InstrumentationBridge.registerBuildEventsHandlerFactory(buildEventsHandlerFactory(services));
     CIVisibility.registerSessionFactory(apiSessionFactory(services));