CloudMigrations: Implement migrations API (#85348)

* Implement run migration endpoint

* Refactor RunMigration method into separate methods

* Save migration runs fix lint

* Minor changes

* Refactor how to use cms endpoint

* fix interface

* complete merge

* add individual items

* adds tracing to getMigration

* linter

* updated swagger definition with the latest changes

* CloudMigrations: Implement core API handlers for cloud migrations and migration runs (#85407)

* implement delete

* add auth token encryption

* implement token validation

* call token validation during migration creation

* implement get migration status

* implement list migration runs

* fix bug

* finish parse domain func

* fix urls

* fix typo

* fix encoding and decoding

* remove double decryption

* add missing slash

* fix id returned by create function

* inject missing services

* finish implementing (as far as I can tell right now) data migration and response handling

* comment out broken test, needs a rewrite

* add a few final touches

* get dashboard migration to work properly

* changed runMigration to a POST

* swagger

* swagger

* swagger

---------

Co-authored-by: Michael Mandrus <michael.mandrus@grafana.com>
Co-authored-by: Leonard Gram <leo@xlson.com>
Co-authored-by: Michael Mandrus <41969079+mmandrus@users.noreply.github.com>

pkg/services/cloudmigration/model.go

@@ -9,11 +9,15 @@ import (
 var (
 	ErrInternalNotImplementedError = errutil.Internal("cloudmigrations.notImplemented", errutil.WithPublicMessage("Internal server error"))
 	ErrFeatureDisabledError        = errutil.Internal("cloudmigrations.disabled", errutil.WithPublicMessage("Cloud migrations are disabled on this instance"))
+	ErrMigrationNotFound           = errutil.NotFound("cloudmigrations.migrationNotFound", errutil.WithPublicMessage("Migration not found"))
+	ErrMigrationRunNotFound        = errutil.NotFound("cloudmigrations.migrationRunNotFound", errutil.WithPublicMessage("Migration run not found"))
+	ErrMigrationNotDeleted         = errutil.Internal("cloudmigrations.migrationNotDeleted", errutil.WithPublicMessage("Migration not deleted"))
 )
 
+// cloud migration api dtos
 type CloudMigration struct {
 	ID          int64     `json:"id" xorm:"pk autoincr 'id'"`
-	AuthToken   string    `json:"authToken"`
+	AuthToken   string    `json:"-"`
 	Stack       string    `json:"stack"`
 	StackID     int       `json:"stackID" xorm:"stack_id"`
 	RegionSlug  string    `json:"regionSlug"`
@@ -41,17 +45,16 @@ type MigratedResource struct {
 }
 
 type CloudMigrationRun struct {
-	ID                int64              `json:"id" xorm:"pk autoincr 'id'"`
-	CloudMigrationUID string             `json:"uid" xorm:"cloud_migration_uid"`
-	Resources         []MigratedResource `json:"items"`
-	Result            MigrationResult    `json:"result"`
-	Created           time.Time          `json:"created"`
-	Updated           time.Time          `json:"updated"`
-	Finished          time.Time          `json:"finished"`
+	ID                int64     `json:"id" xorm:"pk autoincr 'id'"`
+	CloudMigrationUID string    `json:"uid" xorm:"cloud_migration_uid"`
+	Result            []byte    `json:"result"` //store raw cms response body
+	Created           time.Time `json:"created"`
+	Updated           time.Time `json:"updated"`
+	Finished          time.Time `json:"finished"`
 }
 
 type CloudMigrationRunList struct {
-	Runs []CloudMigrationRun `json:"runs"`
+	Runs []MigrateDataResponseDTO `json:"runs"`
 }
 
 // swagger:parameters createMigration
@@ -88,6 +91,8 @@ type MigrateDatasourcesResponseDTO struct {
 	DatasourcesMigrated int `json:"datasourcesMigrated"`
 }
 
+// access token
+
 type CreateAccessTokenResponse struct {
 	Token string
 }
@@ -117,3 +122,42 @@ type Base64HGInstance struct {
 	RegionSlug  string
 	ClusterSlug string
 }
+
+// dtos for cms api
+
+type MigrateDataType string
+
+const (
+	DashboardDataType  MigrateDataType = "DASHBOARD"
+	DatasourceDataType MigrateDataType = "DATASOURCE"
+	FolderDataType     MigrateDataType = "FOLDER"
+)
+
+type MigrateDataRequestDTO struct {
+	Items []MigrateDataRequestItemDTO `json:"items"`
+}
+
+type MigrateDataRequestItemDTO struct {
+	Type  MigrateDataType `json:"type"`
+	RefID string          `json:"refId"`
+	Name  string          `json:"name"`
+	Data  interface{}     `json:"data"`
+}
+
+type ItemStatus string
+
+const (
+	ItemStatusOK    ItemStatus = "OK"
+	ItemStatusError ItemStatus = "ERROR"
+)
+
+type MigrateDataResponseDTO struct {
+	RunID int64                        `json:"id"`
+	Items []MigrateDataResponseItemDTO `json:"items"`
+}
+
+type MigrateDataResponseItemDTO struct {
+	RefID  string     `json:"refId"`
+	Status ItemStatus `json:"status"`
+	Error  string     `json:"error,omitempty"`
+}