Get instance by name.

Signed-off-by: fanjiankong <fanjiankong@tencent.com>

api/v2.0/swagger.yaml

@@ -734,7 +734,7 @@ paths:
           $ref: '#/responses/409'
         '500':
           $ref: '#/responses/500'
-  /p2p/preheat/instances/{instance_id}:
+  /p2p/preheat/instances/{preheat_instance_name}:
     get:
       summary: Get a P2P provider instance
       description: Get a P2P provider instance
@@ -743,7 +743,7 @@ paths:
       operationId: GetInstance
       parameters:
         - $ref: '#/parameters/requestId'
-        - $ref: '#/parameters/instanceId'
+        - $ref: '#/parameters/instanceName'
       responses:
         '200':
           description: Success
@@ -767,7 +767,7 @@ paths:
       operationId: DeleteInstance
       parameters:
         - $ref: '#/parameters/requestId'
-        - $ref: '#/parameters/instanceId'
+        - $ref: '#/parameters/instanceName'
       responses:
         '200':
           description: Instance ID deleted
@@ -789,7 +789,7 @@ paths:
       operationId: UpdateInstance
       parameters:
         - $ref: '#/parameters/requestId'
-        - $ref: '#/parameters/instanceId'
+        - $ref: '#/parameters/instanceName'
         - name: propertySet
           in: body
           description: The property set to update
@@ -1017,12 +1017,12 @@ parameters:
     required: false
     description: The size of per page
     default: 10
-  instanceId:
-    name: instance_id
+  instanceName:
+    name: preheat_instance_name
     in: path
-    description: Instance ID
+    description: Instance Name
     required: true
-    type: integer
+    type: string
   preheatPolicyName:
     name: preheat_policy_name
     in: path

src/controller/p2p/preheat/controller.go

@@ -62,6 +62,9 @@ type Controller interface {
 	//
 	GetInstance(ctx context.Context, id int64) (*providerModels.Instance, error)
 
+	// GetInstance the metadata of the specified instance
+	GetInstanceByName(ctx context.Context, name string) (*providerModels.Instance, error)
+
 	// Create a new instance for the specified provider.
 	//
 	// If succeed, the ID of the instance will be returned.
@@ -190,6 +193,10 @@ func (c *controller) GetInstance(ctx context.Context, id int64) (*providerModels
 	return c.iManager.Get(ctx, id)
 }
 
+func (c *controller) GetInstanceByName(ctx context.Context, name string) (*providerModels.Instance, error) {
+	return c.iManager.GetByName(ctx, name)
+}
+
 // CountPolicy returns the total count of the policy.
 func (c *controller) CountPolicy(ctx context.Context, query *q.Query) (int64, error) {
 	return c.pManager.Count(ctx, query)

src/pkg/p2p/preheat/dao/instance/dao.go

@@ -14,6 +14,7 @@ import (
 type DAO interface {
 	Create(ctx context.Context, instance *provider.Instance) (int64, error)
 	Get(ctx context.Context, id int64) (*provider.Instance, error)
+	GetByName(ctx context.Context, name string) (*provider.Instance, error)
 	Update(ctx context.Context, instance *provider.Instance, props ...string) error
 	Delete(ctx context.Context, id int64) error
 	Count(ctx context.Context, query *q.Query) (total int64, err error)
@@ -60,6 +61,23 @@ func (d *dao) Get(ctx context.Context, id int64) (*provider.Instance, error) {
 	return &di, err
 }
 
+// Get gets instance from db by name.
+func (d *dao) GetByName(ctx context.Context, name string) (instance *provider.Instance, err error) {
+	o, err := orm.FromContext(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	instance = &provider.Instance{Name: name}
+	if err = o.Read(instance, "Name"); err != nil {
+		if e := orm.AsNotFoundError(err, "instance %s not found", name); e != nil {
+			err = e
+		}
+		return nil, err
+	}
+	return
+}
+
 // Update updates distribution instance.
 func (d *dao) Update(ctx context.Context, instance *provider.Instance, props ...string) error {
 	var o, err = orm.FromContext(ctx)

src/pkg/p2p/preheat/dao/instance/dao_test.go

@@ -6,6 +6,7 @@ import (
 
 	beego_orm "github.com/astaxie/beego/orm"
 	common_dao "github.com/goharbor/harbor/src/common/dao"
+	"github.com/goharbor/harbor/src/lib/errors"
 	"github.com/goharbor/harbor/src/lib/orm"
 	"github.com/goharbor/harbor/src/lib/q"
 	models "github.com/goharbor/harbor/src/pkg/p2p/preheat/models/provider"
@@ -63,6 +64,18 @@ func (is *instanceSuite) TestGet() {
 	assert.Nil(t, i)
 }
 
+// TestGetByName tests get a instance by name.
+func (is *instanceSuite) TestGetByName() {
+	instance, err := is.dao.GetByName(is.ctx, defaultInstance.Name)
+	is.Require().Nil(err)
+	is.Require().NotNil(instance)
+	is.Equal(defaultInstance.Name, instance.Name, "get a default instance")
+
+	// not found
+	_, err = is.dao.GetByName(is.ctx, "default-instance")
+	is.Require().NotNil(err)
+	is.True(errors.IsErr(err, errors.NotFoundCode))
+}
 func (is *instanceSuite) TestUpdate() {
 	t := is.T()
 	i, err := is.dao.Get(is.ctx, defaultInstance.ID)

src/pkg/p2p/preheat/instance/manager.go

@@ -50,6 +50,10 @@ type Manager interface {
 	//
 	Get(ctx context.Context, id int64) (*provider.Instance, error)
 
+	// GetByName gets the repository specified by name
+	// name string : the global unique name of the instance
+	GetByName(ctx context.Context, name string) (*provider.Instance, error)
+
 	// Count the instances by the param
 	//
 	// query *q.Query : the query params
@@ -100,6 +104,11 @@ func (dm *manager) Get(ctx context.Context, id int64) (*provider.Instance, error
 	return dm.dao.Get(ctx, id)
 }
 
+// Get implements @Manager.GetByName
+func (dm *manager) GetByName(ctx context.Context, name string) (*provider.Instance, error) {
+	return dm.dao.GetByName(ctx, name)
+}
+
 // Count implements @Manager.Count
 func (dm *manager) Count(ctx context.Context, query *q.Query) (int64, error) {
 	return dm.dao.Count(ctx, query)

src/pkg/p2p/preheat/instance/manager_test.go

@@ -19,6 +19,9 @@ type fakeDao struct {
 }
 
 var _ dao.DAO = (*fakeDao)(nil)
+var lists = []*providerModel.Instance{
+	{Name: "abc"},
+}
 
 func (d *fakeDao) Create(ctx context.Context, instance *provider.Instance) (int64, error) {
 	var args = d.Called()
@@ -34,6 +37,15 @@ func (d *fakeDao) Get(ctx context.Context, id int64) (*provider.Instance, error)
 	return instance, args.Error(1)
 }
 
+func (d *fakeDao) GetByName(ctx context.Context, name string) (*provider.Instance, error) {
+	var args = d.Called()
+	var instance *provider.Instance
+	if args.Get(0) != nil {
+		instance = args.Get(0).(*provider.Instance)
+	}
+	return instance, args.Error(1)
+}
+
 func (d *fakeDao) Update(ctx context.Context, instance *provider.Instance, props ...string) error {
 	var args = d.Called()
 	return args.Error(0)
@@ -69,6 +81,7 @@ type instanceManagerSuite struct {
 func (im *instanceManagerSuite) SetupSuite() {
 	im.dao = &fakeDao{}
 	im.manager = &manager{dao: im.dao}
+	im.dao.On("List").Return(lists, nil)
 }
 
 func (im *instanceManagerSuite) TestSave() {
@@ -98,6 +111,13 @@ func (im *instanceManagerSuite) TestGet() {
 	im.Require().Equal(ins, res)
 }
 
+func (im *instanceManagerSuite) TestGetByName() {
+	im.dao.On("GetByName").Return(lists[0], nil)
+	res, err := im.manager.GetByName(im.ctx, "abc")
+	im.Require().Nil(err)
+	im.Require().Equal(lists[0], res)
+}
+
 func (im *instanceManagerSuite) TestCount() {
 	im.dao.On("Count").Return(2, nil)
 	count, err := im.manager.Count(im.ctx, nil)
@@ -108,12 +128,11 @@ func (im *instanceManagerSuite) TestCount() {
 func (im *instanceManagerSuite) TestList() {
 	lists := []*providerModel.Instance{
 		{Name: "abc"},
-		{Name: "def"},
 	}
 	im.dao.On("List").Return(lists, nil)
 	res, err := im.manager.List(im.ctx, nil)
 	assert.Nil(im.T(), err)
-	assert.Len(im.T(), res, 2)
+	assert.Len(im.T(), res, 1)
 	assert.Equal(im.T(), lists, res)
 }
 

src/testing/pkg/p2p/preheat/instance/manager.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.0.3. DO NOT EDIT.
+// Code generated by mockery v1.0.0. DO NOT EDIT.
 
 package instance
 
@@ -75,6 +75,29 @@ func (_m *FakeManager) Get(ctx context.Context, id int64) (*provider.Instance, e
 	return r0, r1
 }
 
+// GetByName provides a mock function with given fields: ctx, name
+func (_m *FakeManager) GetByName(ctx context.Context, name string) (*provider.Instance, error) {
+	ret := _m.Called(ctx, name)
+
+	var r0 *provider.Instance
+	if rf, ok := ret.Get(0).(func(context.Context, string) *provider.Instance); ok {
+		r0 = rf(ctx, name)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*provider.Instance)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(context.Context, string) error); ok {
+		r1 = rf(ctx, name)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // List provides a mock function with given fields: ctx, query
 func (_m *FakeManager) List(ctx context.Context, query *q.Query) ([]*provider.Instance, error) {
 	ret := _m.Called(ctx, query)