Set lengthier timeout for CVD creation under Docker

Running CVD under docker can take much longer time to complete
creation. To prevent CVD instance being killed by host orchestrator
while booting instance, set lengthier timeout for CVD creation.

frontend/src/host_orchestrator/orchestrator/controller.go

@@ -164,6 +164,11 @@ func newCreateCVDHandler(c Config, om OperationManager, uadr UserArtifactsManage
 	}
 }
 
+func isRunningInDocker() bool {
+	_, err := os.Stat("/.dockerenv")
+	return err == nil
+}
+
 func (h *createCVDHandler) Handle(r *http.Request) (interface{}, error) {
 	req := &apiv1.CreateCVDRequest{}
 	err := json.NewDecoder(r.Body).Decode(req)
@@ -177,7 +182,11 @@ func (h *createCVDHandler) Handle(r *http.Request) (interface{}, error) {
 	artifactsFetcher := newBuildAPIArtifactsFetcher(buildAPI)
 	cvdBundleFetcher := newFetchCVDCommandArtifactsFetcher(exec.CommandContext, creds)
 	cvdStartTimeout := 3 * time.Minute
-	if req.EnvConfig != nil {
+	if isRunningInDocker() {
+		// Use a lengthier timeout when running within a docker because it could race resource with
+		// other containers and take much longer time than normal status.
+		cvdStartTimeout = 30 * time.Minute
+	} else if req.EnvConfig != nil {
 		// Use a lengthier timeout when using canonical configs as this operation downloads artifacts as well.
 		cvdStartTimeout = 7 * time.Minute
 	}