[ws-mananger-api, -mk2] Emit new field .Status.InitializerMetrics

Tool: gitpod/catfood.gitpod.cloud

components/ws-manager-api/core.proto

@@ -6,6 +6,7 @@ option go_package = "github.com/gitpod-io/gitpod/ws-manager/api";
 
 import "content-service-api/initializer.proto";
 import "google/protobuf/timestamp.proto";
+import "google/protobuf/duration.proto";
 
 service WorkspaceManager {
     // getWorkspaces produces a list of running workspaces and their status
@@ -321,6 +322,9 @@ message WorkspaceStatus {
 
     // auth provides authentication information about the workspace. This info is primarily used by ws-proxy.
     WorkspaceAuthentication auth = 9;
+
+    // metrics contains metrics about the workspace
+    InitializerMetrics initializer_metrics = 11;
 }
 
 // IDEImage configures the IDE images a workspace will use
@@ -757,3 +761,33 @@ message WorkspaceClass {
     // The cost of running a workspace of this class per minute expressed in credits
     float credits_per_minute = 4;
 }
+
+// Add these new message definitions
+message InitializerMetric {
+    // Duration in nanoseconds (standard protobuf duration)
+    google.protobuf.Duration duration = 1;
+
+    // Size in bytes
+    uint64 size = 2;
+}
+
+message InitializerMetrics {
+	// Git contains metrics for the git initializer step
+    InitializerMetric git = 1;
+
+	// FileDownload contains metrics for the file download initializer step
+    InitializerMetric file_download = 2;
+
+	// Snapshot contains metrics for the snapshot initializer step
+	// This used for workspaces started from snapshots.
+    InitializerMetric snapshot = 3;
+
+	// Backup contains metrics for the backup initializer step
+    InitializerMetric backup = 4;
+
+	// Prebuild contains metrics for the prebuild initializer step
+    InitializerMetric prebuild = 5;
+
+	// Composite contains metrics for the composite initializer step
+    InitializerMetric composite = 6;
+}