CloudMigrations: Send local events to gms during the migration process (#90637)

* add gms client function

* add timeout config for endpoint

* report events to gms

* fix lint error

* clean up report calls and make sure reports all have local ids

* extra validation

* improve error logging and fix url

pkg/services/cloudmigration/gmsclient/dtos.go

@@ -1,5 +1,7 @@
 package gmsclient
 
+import "time"
+
 type MigrateDataType string
 
 const (
@@ -48,3 +50,21 @@ type MigrateDataResponseItemDTO struct {
 type CreateSnapshotUploadUrlResponseDTO struct {
 	UploadUrl string `json:"uploadUrl"`
 }
+
+type EventRequestDTO struct {
+	LocalID            string         `json:"migrationClientId"`
+	Event              LocalEventType `json:"event"`
+	Error              string         `json:"error"`
+	DurationIfFinished time.Duration  `json:"duration"`
+}
+
+type LocalEventType string
+
+const (
+	EventConnect                LocalEventType = "connect"
+	EventDisconnect             LocalEventType = "disconnect"
+	EventStartBuildingSnapshot  LocalEventType = "start_building_snapshot"
+	EventDoneBuildingSnapshot   LocalEventType = "done_building_snapshot"
+	EventStartUploadingSnapshot LocalEventType = "start_uploading_snapshot"
+	EventDoneUploadingSnapshot  LocalEventType = "done_uploading_snapshot"
+)