Merge pull request #7220 from ywk253100/190324_adapter

Update the registry adapter interface

docs/swagger.yaml

@@ -2431,40 +2431,13 @@ paths:
           schema:
             type: array
             items:
-              $ref: '#/definitions/ReplicationAdapter'
+              type: string
         '401':
           description: Unauthorized.
         '403':
           description: Forbidden.
         '500':
           description: Unexpected internal errors.
-  /replication/adapters/{type}:
-    get:
-      summary: Get the specified adapter.
-      description: |
-        This endpoint let user get the specified adapter.
-      parameters:
-        - name: type
-          in: path
-          type: string
-          required: true
-          description: The adapter type.
-      tags:
-        - Products
-      responses:
-        '200':
-          description: Success.
-          schema:
-            type: object
-            $ref: '#/definitions/ReplicationAdapter'
-        '401':
-          description: Unauthorized.
-        '403':
-          description: Forbidden.
-        '404':
-          description: Not found.
-        '500':
-          description: Unexpected internal errors.
   /registries:
     get:
       summary: List registries.
@@ -2595,6 +2568,30 @@ paths:
           description: Registry does not exist.
         '500':
           description: Unexpected internal errors.
+  '/registries/{id}/info':
+    get:
+      summary: Get registry info.
+      description: Get the info of one specific registry.
+      tags:
+        - Products
+      parameters:
+        - name: id
+          in: path
+          type: integer
+          format: int64
+          required: true
+          description: The registry ID.
+      responses:
+        '200':
+          description: Get registry successfully.
+          schema:
+            $ref: '#/definitions/RegistryInfo'
+        '401':
+          description: User need to log in first.
+        '404':
+          description: Registry not found
+        '500':
+          description: Unexpected internal errors.
   '/targets/{id}/policies/':
     get:
       summary: List the target relevant policies.
@@ -5279,34 +5276,29 @@ definitions:
       action:
         type: string
         description: The permission action
-  ReplicationAdapter:
+  RegistryInfo:
     type: object
-    description: The replication adapter
+    description: The registry info contains the base info and capability declarations of the registry
     properties:
       type:
         type: string
-        description: The adapter type
+        description: The registry type
       description:
         type: string
-        description: The adapter description
-      supported_resource_types:
-        type: array
-        description: The resource types that the adapter supports
-        items:
-          type: string
+        description: The description
       supported_resource_filters:
         type: array
-        description: The filters that the adapter supports
+        description: The filters that the registry supports
         items:
-          $ref: '#/definitions/ReplicationAdapterFilter'
+          $ref: '#/definitions/FilterStyle'
       supported_triggers:
         type: array
-        description: The triggers that the adapter supports
+        description: The triggers that the registry supports
         items:
           type: string
-  ReplicationAdapterFilter:
+  FilterStyle:
     type: object
-    description: The replication adapter filter
+    description: The style of the resource filter
     properties:
       type:
         type: string

src/core/api/harborapi_test.go

@@ -154,7 +154,6 @@ func init() {
 	beego.Router("/api/projects/:pid([0-9]+)/robots/:id([0-9]+)", &RobotAPI{}, "get:Get;put:Put;delete:Delete")
 
 	beego.Router("/api/replication/adapters", &ReplicationAdapterAPI{}, "get:List")
-	beego.Router("/api/replication/adapters/:type", &ReplicationAdapterAPI{}, "get:Get")
 	beego.Router("/api/replication/executions", &ReplicationOperationAPI{}, "get:ListExecutions;post:CreateExecution")
 	beego.Router("/api/replication/executions/:id([0-9]+)", &ReplicationOperationAPI{}, "put:StopExecution")
 	beego.Router("/api/replication/executions/:id([0-9]+)/tasks", &ReplicationOperationAPI{}, "get:ListTasks")

src/core/api/registry.go

@@ -9,6 +9,7 @@ import (
 	"github.com/goharbor/harbor/src/common/utils/log"
 	"github.com/goharbor/harbor/src/core/api/models"
 	"github.com/goharbor/harbor/src/replication/ng"
+	"github.com/goharbor/harbor/src/replication/ng/adapter"
 	"github.com/goharbor/harbor/src/replication/ng/model"
 	"github.com/goharbor/harbor/src/replication/ng/registry"
 )
@@ -211,3 +212,63 @@ func (t *RegistryAPI) Delete() {
 		return
 	}
 }
+
+// GetInfo returns the base info and capability declarations of the registry
+func (t *RegistryAPI) GetInfo() {
+	id := t.GetIDFromURL()
+	registry, err := t.manager.Get(id)
+	if err != nil {
+		t.HandleInternalServerError(fmt.Sprintf("failed to get registry %d: %v", id, err))
+		return
+	}
+	if registry == nil {
+		t.HandleNotFound(fmt.Sprintf("registry %d not found", id))
+		return
+	}
+	factory, err := adapter.GetFactory(registry.Type)
+	if err != nil {
+		t.HandleInternalServerError(fmt.Sprintf("failed to get the adapter factory for registry type %s: %v", registry.Type, err))
+		return
+	}
+	adp, err := factory(registry)
+	if err != nil {
+		t.HandleInternalServerError(fmt.Sprintf("failed to create the adapter for registry %d: %v", registry.ID, err))
+		return
+	}
+	info, err := adp.Info()
+	if err != nil {
+		t.HandleInternalServerError(fmt.Sprintf("failed to get registry info %d: %v", id, err))
+		return
+	}
+	t.WriteJSONData(process(info))
+}
+
+// merge "SupportedResourceTypes" into "SupportedResourceFilters" for UI to render easier
+func process(info *model.RegistryInfo) *model.RegistryInfo {
+	if info == nil {
+		return nil
+	}
+	in := &model.RegistryInfo{
+		Type:              info.Type,
+		Description:       info.Description,
+		SupportedTriggers: info.SupportedTriggers,
+	}
+	filters := []*model.FilterStyle{}
+	for _, filter := range info.SupportedResourceFilters {
+		if filter.Type != model.FilterTypeResource {
+			filters = append(filters, filter)
+		}
+	}
+	values := []string{}
+	for _, resourceType := range info.SupportedResourceTypes {
+		values = append(values, string(resourceType))
+	}
+	filters = append(filters, &model.FilterStyle{
+		Type:   model.FilterTypeResource,
+		Style:  model.FilterStyleTypeRadio,
+		Values: values,
+	})
+	in.SupportedResourceFilters = filters
+
+	return in
+}

src/core/api/replication_adapter.go

@@ -15,8 +15,6 @@
 package api
 
 import (
-	"fmt"
-
 	"github.com/goharbor/harbor/src/replication/ng/adapter"
 	"github.com/goharbor/harbor/src/replication/ng/model"
 )
@@ -41,53 +39,7 @@ func (r *ReplicationAdapterAPI) Prepare() {
 
 // List the replication adapters
 func (r *ReplicationAdapterAPI) List() {
-	infos := []*adapter.Info{}
-	for _, info := range adapter.ListAdapterInfos() {
-		infos = append(infos, process(info))
-	}
-	r.WriteJSONData(infos)
-}
-
-// Get one specified replication adapter
-func (r *ReplicationAdapterAPI) Get() {
-	t := r.GetStringFromPath(":type")
-	info := adapter.GetAdapterInfo(model.RegistryType(t))
-	if info == nil {
-		r.HandleNotFound(fmt.Sprintf("adapter for %s not found", t))
-		return
-	}
-	info = process(info)
-	r.WriteJSONData(info)
-}
-
-// merge "SupportedResourceTypes" into "SupportedResourceFilters" for UI to render easier
-func process(info *adapter.Info) *adapter.Info {
-	if info == nil {
-		return nil
-	}
-
-	in := &adapter.Info{
-		Type:              info.Type,
-		Description:       info.Description,
-		SupportedTriggers: info.SupportedTriggers,
-	}
-
-	filters := []*adapter.Filter{}
-	for _, filter := range info.SupportedResourceFilters {
-		if filter.Type != model.FilterTypeResource {
-			filters = append(filters, filter)
-		}
-	}
-	values := []string{}
-	for _, resourceType := range info.SupportedResourceTypes {
-		values = append(values, string(resourceType))
-	}
-	filters = append(filters, &adapter.Filter{
-		Type:   model.FilterTypeResource,
-		Style:  adapter.FilterStyleRadio,
-		Values: values,
-	})
-	in.SupportedResourceFilters = filters
-
-	return in
+	types := []model.RegistryType{}
+	types = append(types, adapter.ListRegisteredAdapterTypes()...)
+	r.WriteJSONData(types)
 }

src/core/api/replication_adapter_test.go

@@ -24,7 +24,13 @@ import (
 	"github.com/goharbor/harbor/src/replication/ng/model"
 )
 
+func fakedFactory(*model.Registry) (adapter.Adapter, error) {
+	return nil, nil
+}
+
 func TestReplicationAdapterAPIList(t *testing.T) {
+	err := adapter.RegisterFactory("test", fakedFactory)
+	require.Nil(t, err)
 	cases := []*codeCheckingCase{
 		// 401
 		{
@@ -56,56 +62,3 @@ func TestReplicationAdapterAPIList(t *testing.T) {
 
 	runCodeCheckingCases(t, cases...)
 }
-
-func fakedFactory(*model.Registry) (adapter.Adapter, error) {
-	return nil, nil
-}
-func TestReplicationAdapterAPIGet(t *testing.T) {
-	err := adapter.RegisterFactory(
-		&adapter.Info{
-			Type:                   "test",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory)
-	require.Nil(t, err)
-
-	cases := []*codeCheckingCase{
-		// 401
-		{
-			request: &testingRequest{
-				method: http.MethodGet,
-				url:    "/api/replication/adapters/test",
-			},
-			code: http.StatusUnauthorized,
-		},
-		// 403
-		{
-			request: &testingRequest{
-				method:     http.MethodGet,
-				url:        "/api/replication/adapters/test",
-				credential: nonSysAdmin,
-			},
-			code: http.StatusForbidden,
-		},
-		// 404
-		{
-			request: &testingRequest{
-				method:     http.MethodGet,
-				url:        "/api/replication/adapters/gcs",
-				credential: sysAdmin,
-			},
-			code: http.StatusNotFound,
-		},
-		// 200
-		{
-			request: &testingRequest{
-				method:     http.MethodGet,
-				url:        "/api/replication/adapters/test",
-				credential: sysAdmin,
-			},
-			code: http.StatusOK,
-		},
-	}
-
-	runCodeCheckingCases(t, cases...)
-}

src/core/router.go

@@ -101,7 +101,6 @@ func initRouters() {
 	beego.Router("/api/logs", &api.LogAPI{})
 
 	beego.Router("/api/replication/adapters", &api.ReplicationAdapterAPI{}, "get:List")
-	beego.Router("/api/replication/adapters/:type", &api.ReplicationAdapterAPI{}, "get:Get")
 	beego.Router("/api/replication/executions", &api.ReplicationOperationAPI{}, "get:ListExecutions;post:CreateExecution")
 	beego.Router("/api/replication/executions/:id([0-9]+)", &api.ReplicationOperationAPI{}, "put:StopExecution")
 	beego.Router("/api/replication/executions/:id([0-9]+)/tasks", &api.ReplicationOperationAPI{}, "get:ListTasks")
@@ -136,6 +135,7 @@ func initRouters() {
 
 	beego.Router("/api/registries", &api.RegistryAPI{}, "get:List;post:Post")
 	beego.Router("/api/registries/:id([0-9]+)", &api.RegistryAPI{}, "get:Get;put:Put;delete:Delete")
+	beego.Router("/api/registries/:id([0-9]+)/info", &api.RegistryAPI{}, "get:GetInfo")
 
 	beego.Router("/v2/*", &controllers.RegistryProxy{}, "*:Handle")
 

src/replication/ng/adapter/adapter.go

@@ -21,45 +21,15 @@ import (
 	"github.com/goharbor/harbor/src/replication/ng/model"
 )
 
-// As the Info isn't a valid map key, so we use the slice
-// as the adapter registry
-var registry = []*item{}
-
-// const definition
-const (
-	FilterStyleText  = "input"
-	FilterStyleRadio = "radio"
-)
-
-// FilterStyle is used for UI to determine how to render the filter
-type FilterStyle string
-
-type item struct {
-	info    *Info
-	factory Factory
-}
-
-// Filter ...
-type Filter struct {
-	Type   model.FilterType `json:"type"`
-	Style  FilterStyle      `json:"style"`
-	Values []string         `json:"values,omitempty"`
-}
-
-// Info provides base info and capability declarations of the adapter
-type Info struct {
-	Type                     model.RegistryType   `json:"type"`
-	Description              string               `json:"description"`
-	SupportedResourceTypes   []model.ResourceType `json:"-"`
-	SupportedResourceFilters []*Filter            `json:"supported_resource_filters"`
-	SupportedTriggers        []model.TriggerType  `json:"supported_triggers"`
-}
+var registry = map[model.RegistryType]Factory{}
 
 // Factory creates a specific Adapter according to the params
 type Factory func(*model.Registry) (Adapter, error)
 
 // Adapter interface defines the capabilities of registry
 type Adapter interface {
+	// Info return the information of this adapter
+	Info() (*model.RegistryInfo, error)
 	// Lists the available namespaces under the specified registry with the
 	// provided credential/token
 	ListNamespaces(*model.NamespaceQuery) ([]*model.Namespace, error)
@@ -73,56 +43,35 @@ type Adapter interface {
 }
 
 // RegisterFactory registers one adapter factory to the registry
-func RegisterFactory(info *Info, factory Factory) error {
-	if len(info.Type) == 0 {
+func RegisterFactory(t model.RegistryType, factory Factory) error {
+	if len(t) == 0 {
 		return errors.New("invalid registry type")
 	}
-	if len(info.SupportedResourceTypes) == 0 {
-		return errors.New("must support at least one resource type")
-	}
-	if len(info.SupportedTriggers) == 0 {
-		return errors.New("must support at least one trigger")
-	}
 	if factory == nil {
 		return errors.New("empty adapter factory")
 	}
-	for _, item := range registry {
-		if item.info.Type == info.Type {
-			return fmt.Errorf("adapter factory for %s already exists", info.Type)
-		}
+
+	if _, exist := registry[t]; exist {
+		return fmt.Errorf("adapter factory for %s already exists", t)
 	}
-	registry = append(registry, &item{
-		info:    info,
-		factory: factory,
-	})
+	registry[t] = factory
 	return nil
 }
 
 // GetFactory gets the adapter factory by the specified name
 func GetFactory(t model.RegistryType) (Factory, error) {
-	for _, item := range registry {
-		if item.info.Type == t {
-			return item.factory, nil
-		}
+	factory, exist := registry[t]
+	if !exist {
+		return nil, fmt.Errorf("adapter factory for %s not found", t)
 	}
-	return nil, fmt.Errorf("adapter factory for %s not found", t)
+	return factory, nil
 }
 
-// ListAdapterInfos lists the info of registered Adapters
-func ListAdapterInfos() []*Info {
-	infos := []*Info{}
-	for _, item := range registry {
-		infos = append(infos, item.info)
+// ListRegisteredAdapterTypes lists the registered Adapter type
+func ListRegisteredAdapterTypes() []model.RegistryType {
+	types := []model.RegistryType{}
+	for t := range registry {
+		types = append(types, t)
 	}
-	return infos
-}
-
-// GetAdapterInfo returns the info of a specified registry type
-func GetAdapterInfo(t model.RegistryType) *Info {
-	for _, item := range registry {
-		if item.info.Type == t {
-			return item.info
-		}
-	}
-	return nil
+	return types
 }

src/replication/ng/adapter/adapter_test.go

@@ -28,49 +28,18 @@ func fakedFactory(*model.Registry) (Adapter, error) {
 
 func TestRegisterFactory(t *testing.T) {
 	// empty type
-	assert.NotNil(t, RegisterFactory(&Info{}, nil))
-	// empty supportted resource type
-	assert.NotNil(t, RegisterFactory(
-		&Info{
-			Type: "harbor",
-		}, nil))
-	// empty trigger
-	assert.NotNil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-		}, nil))
+	assert.NotNil(t, RegisterFactory("", nil))
 	// empty factory
-	assert.NotNil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, nil))
+	assert.NotNil(t, RegisterFactory("harbor", nil))
 	// pass
-	assert.Nil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory))
+	assert.Nil(t, RegisterFactory("harbor", fakedFactory))
 	// already exists
-	assert.NotNil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory))
+	assert.NotNil(t, RegisterFactory("harbor", fakedFactory))
 }
 
 func TestGetFactory(t *testing.T) {
-	registry = []*item{}
-	require.Nil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory))
+	registry = map[model.RegistryType]Factory{}
+	require.Nil(t, RegisterFactory("harbor", fakedFactory))
 	// doesn't exist
 	_, err := GetFactory("gcr")
 	assert.NotNil(t, err)
@@ -79,40 +48,16 @@ func TestGetFactory(t *testing.T) {
 	assert.Nil(t, err)
 }
 
-func TestListAdapterInfos(t *testing.T) {
-	registry = []*item{}
+func TestListRegisteredAdapterTypes(t *testing.T) {
+	registry = map[model.RegistryType]Factory{}
 	// not register, got nothing
-	infos := ListAdapterInfos()
-	assert.Equal(t, 0, len(infos))
+	types := ListRegisteredAdapterTypes()
+	assert.Equal(t, 0, len(types))
 
 	// register one factory
-	require.Nil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory))
+	require.Nil(t, RegisterFactory("harbor", fakedFactory))
 
-	infos = ListAdapterInfos()
-	require.Equal(t, 1, len(infos))
-	assert.Equal(t, "harbor", string(infos[0].Type))
-}
-
-func TestGetAdapterInfo(t *testing.T) {
-	registry = []*item{}
-	require.Nil(t, RegisterFactory(
-		&Info{
-			Type:                   "harbor",
-			SupportedResourceTypes: []model.ResourceType{"image"},
-			SupportedTriggers:      []model.TriggerType{"mannual"},
-		}, fakedFactory))
-
-	// doesn't exist
-	info := GetAdapterInfo("gcr")
-	assert.Nil(t, info)
-
-	// exist
-	info = GetAdapterInfo("harbor")
-	require.NotNil(t, info)
-	assert.Equal(t, "harbor", string(info.Type))
+	types = ListRegisteredAdapterTypes()
+	require.Equal(t, 1, len(types))
+	assert.Equal(t, model.RegistryType("harbor"), types[0])
 }

src/replication/ng/adapter/harbor/adapter.go

@@ -31,36 +31,10 @@ import (
 // TODO add UT
 
 func init() {
-	info := &adp.Info{
-		Type: model.RegistryTypeHarbor,
-		SupportedResourceTypes: []model.ResourceType{
-			model.ResourceTypeRepository,
-			model.ResourceTypeChart,
-		},
-		SupportedResourceFilters: []*adp.Filter{
-			{
-				Type:  model.FilterTypeName,
-				Style: adp.FilterStyleText,
-			},
-			{
-				Type:  model.FilterTypeVersion,
-				Style: adp.FilterStyleText,
-			},
-			{
-				Type:  model.FilterTypeLabel,
-				Style: adp.FilterStyleText,
-			},
-		},
-		SupportedTriggers: []model.TriggerType{
-			model.TriggerTypeManual,
-			model.TriggerTypeScheduled,
-			model.TriggerTypeEventBased,
-		},
-	}
 	// TODO passing coreServiceURL and tokenServiceURL
 	coreServiceURL := "http://core:8080"
 	tokenServiceURL := ""
-	if err := adp.RegisterFactory(info, func(registry *model.Registry) (adp.Adapter, error) {
+	if err := adp.RegisterFactory(model.RegistryTypeHarbor, func(registry *model.Registry) (adp.Adapter, error) {
 		return newAdapter(registry, coreServiceURL, tokenServiceURL), nil
 	}); err != nil {
 		log.Errorf("failed to register factory for %s: %v", model.RegistryTypeHarbor, err)
@@ -110,6 +84,45 @@ func newAdapter(registry *model.Registry, coreServiceURL string,
 	}
 }
 
+func (a *adapter) Info() (*model.RegistryInfo, error) {
+	info := &model.RegistryInfo{
+		Type: model.RegistryTypeHarbor,
+		SupportedResourceTypes: []model.ResourceType{
+			model.ResourceTypeRepository,
+		},
+		SupportedResourceFilters: []*model.FilterStyle{
+			{
+				Type:  model.FilterTypeName,
+				Style: model.FilterStyleTypeText,
+			},
+			{
+				Type:  model.FilterTypeTag,
+				Style: model.FilterStyleTypeText,
+			},
+			{
+				Type:  model.FilterTypeLabel,
+				Style: model.FilterStyleTypeText,
+			},
+		},
+		SupportedTriggers: []model.TriggerType{
+			model.TriggerTypeManual,
+			model.TriggerTypeScheduled,
+			model.TriggerTypeEventBased,
+		},
+	}
+
+	sys := &struct {
+		ChartRegistryEnabled bool `json:"with_chartmuseum"`
+	}{}
+	if err := a.client.Get(a.coreServiceURL+"/api/systeminfo", sys); err != nil {
+		return nil, err
+	}
+	if sys.ChartRegistryEnabled {
+		info.SupportedResourceTypes = append(info.SupportedResourceTypes, model.ResourceTypeChart)
+	}
+	return info, nil
+}
+
 // TODO implement the function
 func (a *adapter) ListNamespaces(*model.NamespaceQuery) ([]*model.Namespace, error) {
 	return nil, nil

src/replication/ng/flow/copy.go

@@ -47,12 +47,11 @@ func NewCopyFlow(executionMgr execution.Manager, registryMgr registry.Manager,
 }
 
 func (c *copyFlow) Run(interface{}) error {
-	srcRegistry, dstRegistry, srcAdapter, dstAdapter, err := initialize(c.registryMgr, c.policy)
+	_, dstRegistry, srcAdapter, dstAdapter, err := initialize(c.registryMgr, c.policy)
 	if err != nil {
 		return err
 	}
-	// TODO after refactoring the adapter register, the "srcRegistry.Type" is not needed
-	srcResources, err := fetchResources(srcAdapter, srcRegistry.Type, c.policy)
+	srcResources, err := fetchResources(srcAdapter, c.policy)
 	if err != nil {
 		return err
 	}

src/replication/ng/flow/stage.go

@@ -87,7 +87,7 @@ func initialize(mgr registry.Manager, policy *model.Policy) (*model.Registry, *m
 }
 
 // fetch resources from the source registry
-func fetchResources(adapter adp.Adapter, adapterType model.RegistryType, policy *model.Policy) ([]*model.Resource, error) {
+func fetchResources(adapter adp.Adapter, policy *model.Policy) ([]*model.Resource, error) {
 	resTypes := []model.ResourceType{}
 	filters := []*model.Filter{}
 	for _, filter := range policy.Filters {
@@ -98,7 +98,11 @@ func fetchResources(adapter adp.Adapter, adapterType model.RegistryType, policy
 		resTypes = append(resTypes, filter.Value.(model.ResourceType))
 	}
 	if len(resTypes) == 0 {
-		resTypes = append(resTypes, adp.GetAdapterInfo(adapterType).SupportedResourceTypes...)
+		info, err := adapter.Info()
+		if err != nil {
+			return nil, fmt.Errorf("failed to get the adapter info: %v", err)
+		}
+		resTypes = append(resTypes, info.SupportedResourceTypes...)
 	}
 
 	resources := []*model.Resource{}
@@ -167,7 +171,7 @@ func filterResources(resources []*model.Resource, filters []*model.Filter) ([]*m
 					match = false
 					break
 				}
-			case model.FilterTypeVersion:
+			case model.FilterTypeTag:
 				pattern, ok := filter.Value.(string)
 				if !ok {
 					return nil, fmt.Errorf("%v is not a valid string", filter.Value)

src/replication/ng/flow/stage_test.go

@@ -67,6 +67,16 @@ func fakedAdapterFactory(*model.Registry) (adapter.Adapter, error) {
 
 type fakedAdapter struct{}
 
+func (f *fakedAdapter) Info() (*model.RegistryInfo, error) {
+	return &model.RegistryInfo{
+		Type: model.RegistryTypeHarbor,
+		SupportedResourceTypes: []model.ResourceType{
+			model.ResourceTypeRepository,
+			model.ResourceTypeChart,
+		},
+		SupportedTriggers: []model.TriggerType{model.TriggerTypeManual},
+	}, nil
+}
 func (f *fakedAdapter) ListNamespaces(*model.NamespaceQuery) ([]*model.Namespace, error) {
 	return nil, nil
 }
@@ -225,15 +235,7 @@ func TestMain(m *testing.M) {
 	config.Config = &config.Configuration{
 		RegistryURL: url,
 	}
-	if err := adapter.RegisterFactory(
-		&adapter.Info{
-			Type: model.RegistryTypeHarbor,
-			SupportedResourceTypes: []model.ResourceType{
-				model.ResourceTypeRepository,
-				model.ResourceTypeChart,
-			},
-			SupportedTriggers: []model.TriggerType{model.TriggerTypeManual},
-		}, fakedAdapterFactory); err != nil {
+	if err := adapter.RegisterFactory(model.RegistryTypeHarbor, fakedAdapterFactory); err != nil {
 		os.Exit(1)
 	}
 	os.Exit(m.Run())
@@ -255,7 +257,7 @@ func TestInitialize(t *testing.T) {
 func TestFetchResources(t *testing.T) {
 	adapter := &fakedAdapter{}
 	policy := &model.Policy{}
-	resources, err := fetchResources(adapter, model.RegistryTypeHarbor, policy)
+	resources, err := fetchResources(adapter, policy)
 	require.Nil(t, err)
 	assert.Equal(t, 2, len(resources))
 }
@@ -313,7 +315,7 @@ func TestFilterResources(t *testing.T) {
 			Value: "library/harbor",
 		},
 		{
-			Type:  model.FilterTypeVersion,
+			Type:  model.FilterTypeTag,
 			Value: "0.2.?",
 		},
 	}

src/replication/ng/model/policy.go

@@ -23,14 +23,14 @@ import (
 
 // const definition
 const (
-	FilterTypeResource = "Resource"
-	FilterTypeName     = "Name"
-	FilterTypeVersion  = "Version"
-	FilterTypeLabel    = "Label"
+	FilterTypeResource = "resource"
+	FilterTypeName     = "name"
+	FilterTypeTag      = "tag"
+	FilterTypeLabel    = "label"
 
-	TriggerTypeManual     = "Manual"
-	TriggerTypeScheduled  = "Scheduled"
-	TriggerTypeEventBased = "EventBased"
+	TriggerTypeManual     = "manual"
+	TriggerTypeScheduled  = "scheduled"
+	TriggerTypeEventBased = "event_based"
 )
 
 // Policy defines the structure of a replication policy

src/replication/ng/model/registry.go

@@ -20,9 +20,13 @@ import (
 	"github.com/goharbor/harbor/src/common/models"
 )
 
+// const definition
 const (
 	// RegistryTypeHarbor indicates registry type harbor
 	RegistryTypeHarbor = "harbor"
+
+	FilterStyleTypeText  = "input"
+	FilterStyleTypeRadio = "radio"
 )
 
 // RegistryType indicates the type of registry
@@ -74,3 +78,19 @@ type RegistryQuery struct {
 	// Pagination specifies the pagination
 	Pagination *models.Pagination
 }
+
+// FilterStyle ...
+type FilterStyle struct {
+	Type   FilterType `json:"type"`
+	Style  string     `json:"style"`
+	Values []string   `json:"values,omitempty"`
+}
+
+// RegistryInfo provides base info and capability declarations of the registry
+type RegistryInfo struct {
+	Type                     RegistryType   `json:"type"`
+	Description              string         `json:"description"`
+	SupportedResourceTypes   []ResourceType `json:"-"`
+	SupportedResourceFilters []*FilterStyle `json:"supported_resource_filters"`
+	SupportedTriggers        []TriggerType  `json:"supported_triggers"`
+}

src/replication/ng/operation/controller.go

@@ -98,7 +98,7 @@ func (d *defaultController) createFlow(executionID int64, policy *model.Policy,
 				Value: resource.Metadata.Name,
 			},
 			{
-				Type: model.FilterTypeVersion,
+				Type: model.FilterTypeTag,
 				// only support replicate one tag
 				Value: resource.Metadata.Vtags[0],
 			},