CloudMigrations: Implement snapshot management apis (#89296)

* add new apis

* add payloads

* create snapshot status type

* add some impl

* finish implementing update

* start implementing build snapshot func

* add more fake build logic

* add cancel endpoint. do some cleanup

* implement GetSnapshot

* implement upload snapshot

* merge onprem status with gms result

* get it working

* update comment

* rename list endpoint

* add query limit and offset

* add helper method to snapshot

* little bit of cleanup

* work on swagger annotations

* manual merge

* generate swagger specs

* clean up curl commands

* fix bugs found during final testing

* fix linter issue

* fix unit test

pkg/services/cloudmigration/cloudmigrationimpl/cloudmigration_noop.go

@@ -44,7 +44,7 @@ func (s *NoopServiceImpl) GetMigrationStatus(ctx context.Context, runUID string)
 	return nil, cloudmigration.ErrFeatureDisabledError
 }
 
-func (s *NoopServiceImpl) GetMigrationRunList(ctx context.Context, uid string) (*cloudmigration.SnapshotList, error) {
+func (s *NoopServiceImpl) GetMigrationRunList(ctx context.Context, uid string) (*cloudmigration.CloudMigrationRunList, error) {
 	return nil, cloudmigration.ErrFeatureDisabledError
 }
 
@@ -59,3 +59,19 @@ func (s *NoopServiceImpl) CreateMigrationRun(context.Context, cloudmigration.Clo
 func (s *NoopServiceImpl) RunMigration(context.Context, string) (*cloudmigration.MigrateDataResponse, error) {
 	return nil, cloudmigration.ErrFeatureDisabledError
 }
+
+func (s *NoopServiceImpl) CreateSnapshot(ctx context.Context, sessionUid string) (*cloudmigration.CloudMigrationSnapshot, error) {
+	return nil, cloudmigration.ErrFeatureDisabledError
+}
+
+func (s *NoopServiceImpl) GetSnapshot(ctx context.Context, sessionUid string, snapshotUid string) (*cloudmigration.CloudMigrationSnapshot, error) {
+	return nil, cloudmigration.ErrFeatureDisabledError
+}
+
+func (s *NoopServiceImpl) GetSnapshotList(ctx context.Context, query cloudmigration.ListSnapshotsQuery) ([]cloudmigration.CloudMigrationSnapshot, error) {
+	return nil, cloudmigration.ErrFeatureDisabledError
+}
+
+func (s *NoopServiceImpl) UploadSnapshot(ctx context.Context, sessionUid string, snapshotUid string) error {
+	return cloudmigration.ErrFeatureDisabledError
+}