*: unify import path format and rename the store meta functions

cmd/pd-server/main.go

@@ -26,7 +26,7 @@ import (
 	"github.com/tikv/pd/pkg/autoscaling"
 	"github.com/tikv/pd/pkg/dashboard"
 	"github.com/tikv/pd/pkg/errs"
-	resource_manager "github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	resource_manager "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 	tso "github.com/tikv/pd/pkg/mcs/tso/server"
 	"github.com/tikv/pd/pkg/schedule/schedulers"
 	"github.com/tikv/pd/pkg/swaggerserver"

pkg/mcs/meta_storage/server/install/install.go → pkg/mcs/metastorage/server/install/install.go

@@ -15,7 +15,7 @@
 package install
 
 import (
-	ms_server "github.com/tikv/pd/pkg/mcs/meta_storage/server"
+	ms_server "github.com/tikv/pd/pkg/mcs/metastorage/server"
 	"github.com/tikv/pd/pkg/mcs/registry"
 )
 

pkg/mcs/resource_manager/server/apis/v1/api.go → pkg/mcs/resourcemanager/server/apis/v1/api.go

@@ -24,7 +24,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/joho/godotenv"
 	rmpb "github.com/pingcap/kvproto/pkg/resource_manager"
-	rmserver "github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	rmserver "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 	"github.com/tikv/pd/pkg/mcs/utils"
 	"github.com/tikv/pd/pkg/utils/apiutil"
 	"github.com/tikv/pd/pkg/utils/apiutil/multiservicesapi"

pkg/mcs/resource_manager/server/install/install.go → pkg/mcs/resourcemanager/server/install/install.go

@@ -16,10 +16,10 @@ package install
 
 import (
 	"github.com/tikv/pd/pkg/mcs/registry"
-	rm_server "github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	rm_server "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 
 	// init API group
-	_ "github.com/tikv/pd/pkg/mcs/resource_manager/server/apis/v1"
+	_ "github.com/tikv/pd/pkg/mcs/resourcemanager/server/apis/v1"
 )
 
 func init() {

pkg/storage/endpoint/meta.go

@@ -32,11 +32,11 @@ import (
 type MetaStorage interface {
 	LoadMeta(meta *metapb.Cluster) (bool, error)
 	SaveMeta(meta *metapb.Cluster) error
-	LoadStore(storeID uint64, store *metapb.Store) (bool, error)
-	SaveStore(store *metapb.Store) error
+	LoadStoreMeta(storeID uint64, store *metapb.Store) (bool, error)
+	SaveStoreMeta(store *metapb.Store) error
 	SaveStoreWeight(storeID uint64, leader, region float64) error
 	LoadStores(f func(store *core.StoreInfo)) error
-	DeleteStore(store *metapb.Store) error
+	DeleteStoreMeta(store *metapb.Store) error
 	RegionStorage
 }
 
@@ -71,13 +71,13 @@ func (se *StorageEndpoint) SaveMeta(meta *metapb.Cluster) error {
 	return se.saveProto(clusterPath, meta)
 }
 
-// LoadStore loads one store from storage.
-func (se *StorageEndpoint) LoadStore(storeID uint64, store *metapb.Store) (bool, error) {
+// LoadStoreMeta loads one store from storage.
+func (se *StorageEndpoint) LoadStoreMeta(storeID uint64, store *metapb.Store) (bool, error) {
 	return se.loadProto(StorePath(storeID), store)
 }
 
-// SaveStore saves one store to storage.
-func (se *StorageEndpoint) SaveStore(store *metapb.Store) error {
+// SaveStoreMeta saves one store to storage.
+func (se *StorageEndpoint) SaveStoreMeta(store *metapb.Store) error {
 	return se.saveProto(StorePath(store.GetId()), store)
 }
 
@@ -146,8 +146,8 @@ func (se *StorageEndpoint) loadFloatWithDefaultValue(path string, def float64) (
 	return val, nil
 }
 
-// DeleteStore deletes one store from storage.
-func (se *StorageEndpoint) DeleteStore(store *metapb.Store) error {
+// DeleteStoreMeta deletes one store from storage.
+func (se *StorageEndpoint) DeleteStoreMeta(store *metapb.Store) error {
 	return se.Remove(StorePath(store.GetId()))
 }
 

pkg/storage/storage_test.go

@@ -52,12 +52,12 @@ func TestBasic(t *testing.T) {
 	re.Equal(meta, newMeta)
 
 	store := &metapb.Store{Id: 123}
-	ok, err = storage.LoadStore(123, store)
+	ok, err = storage.LoadStoreMeta(123, store)
 	re.False(ok)
 	re.NoError(err)
-	re.NoError(storage.SaveStore(store))
+	re.NoError(storage.SaveStoreMeta(store))
 	newStore := &metapb.Store{}
-	ok, err = storage.LoadStore(123, newStore)
+	ok, err = storage.LoadStoreMeta(123, newStore)
 	re.True(ok)
 	re.NoError(err)
 	re.Equal(store, newStore)
@@ -87,7 +87,7 @@ func mustSaveStores(re *require.Assertions, s Storage, n int) []*metapb.Store {
 	}
 
 	for _, store := range stores {
-		re.NoError(s.SaveStore(store))
+		re.NoError(s.SaveStoreMeta(store))
 	}
 
 	return stores

server/cluster/cluster.go

@@ -57,7 +57,7 @@ import (
 	"github.com/tikv/pd/pkg/utils/typeutil"
 	"github.com/tikv/pd/pkg/versioninfo"
 	"github.com/tikv/pd/server/config"
-	syncer "github.com/tikv/pd/server/region_syncer"
+	syncer "github.com/tikv/pd/server/regionsyncer"
 	"github.com/tikv/pd/server/replication"
 	"go.etcd.io/etcd/clientv3"
 	"go.uber.org/zap"
@@ -892,7 +892,7 @@ func (c *RaftCluster) HandleStoreHeartbeat(heartbeat *pdpb.StoreHeartbeatRequest
 			zap.Uint64("available", newStore.GetAvailable()))
 	}
 	if newStore.NeedPersist() && c.storage != nil {
-		if err := c.storage.SaveStore(newStore.GetMeta()); err != nil {
+		if err := c.storage.SaveStoreMeta(newStore.GetMeta()); err != nil {
 			log.Error("failed to persist store", zap.Uint64("store-id", storeID), errs.ZapError(err))
 		} else {
 			newStore = newStore.Clone(core.SetLastPersistTime(nowTime))
@@ -1714,7 +1714,7 @@ func (c *RaftCluster) SetStoreWeight(storeID uint64, leaderWeight, regionWeight
 
 func (c *RaftCluster) putStoreLocked(store *core.StoreInfo) error {
 	if c.storage != nil {
-		if err := c.storage.SaveStore(store.GetMeta()); err != nil {
+		if err := c.storage.SaveStoreMeta(store.GetMeta()); err != nil {
 			return err
 		}
 	}
@@ -2058,7 +2058,7 @@ func (c *RaftCluster) RemoveTombStoneRecords() error {
 // deleteStore deletes the store from the cluster. it's concurrent safe.
 func (c *RaftCluster) deleteStore(store *core.StoreInfo) error {
 	if c.storage != nil {
-		if err := c.storage.DeleteStore(store.GetMeta()); err != nil {
+		if err := c.storage.DeleteStoreMeta(store.GetMeta()); err != nil {
 			return err
 		}
 	}

server/cluster/cluster_test.go

@@ -95,7 +95,7 @@ func TestStoreHeartbeat(t *testing.T) {
 
 	for i, store := range stores {
 		tmp := &metapb.Store{}
-		ok, err := cluster.storage.LoadStore(store.GetID(), tmp)
+		ok, err := cluster.storage.LoadStoreMeta(store.GetID(), tmp)
 		re.True(ok)
 		re.NoError(err)
 		re.Equal(storeMetasAfterHeartbeat[i], tmp)

server/config/config.go

@@ -29,7 +29,7 @@ import (
 	"github.com/spf13/pflag"
 	"github.com/tikv/pd/pkg/core/storelimit"
 	"github.com/tikv/pd/pkg/errs"
-	rm "github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	rm "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 	"github.com/tikv/pd/pkg/utils/configutil"
 	"github.com/tikv/pd/pkg/utils/grpcutil"
 	"github.com/tikv/pd/pkg/utils/metricutil"

server/server.go

@@ -48,11 +48,11 @@ import (
 	"github.com/tikv/pd/pkg/errs"
 	"github.com/tikv/pd/pkg/id"
 	"github.com/tikv/pd/pkg/keyspace"
-	ms_server "github.com/tikv/pd/pkg/mcs/meta_storage/server"
+	ms_server "github.com/tikv/pd/pkg/mcs/metastorage/server"
 	"github.com/tikv/pd/pkg/mcs/registry"
-	rm_server "github.com/tikv/pd/pkg/mcs/resource_manager/server"
-	_ "github.com/tikv/pd/pkg/mcs/resource_manager/server/apis/v1" // init API group
-	_ "github.com/tikv/pd/pkg/mcs/tso/server/apis/v1"              // init tso API group
+	rm_server "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
+	_ "github.com/tikv/pd/pkg/mcs/resourcemanager/server/apis/v1" // init API group
+	_ "github.com/tikv/pd/pkg/mcs/tso/server/apis/v1"             // init tso API group
 	mcs "github.com/tikv/pd/pkg/mcs/utils"
 	"github.com/tikv/pd/pkg/member"
 	"github.com/tikv/pd/pkg/ratelimit"
@@ -75,7 +75,7 @@ import (
 	"github.com/tikv/pd/server/cluster"
 	"github.com/tikv/pd/server/config"
 	"github.com/tikv/pd/server/gc"
-	syncer "github.com/tikv/pd/server/region_syncer"
+	syncer "github.com/tikv/pd/server/regionsyncer"
 	"go.etcd.io/etcd/clientv3"
 	"go.etcd.io/etcd/embed"
 	"go.etcd.io/etcd/mvcc/mvccpb"

tests/integrations/mcs/resource_manager/resource_manager_test.go → tests/integrations/mcs/resourcemanager/resource_manager_test.go

@@ -30,14 +30,14 @@ import (
 	"github.com/stretchr/testify/suite"
 	pd "github.com/tikv/pd/client"
 	"github.com/tikv/pd/client/resource_group/controller"
-	"github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	"github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 	"github.com/tikv/pd/pkg/utils/testutil"
 	"github.com/tikv/pd/tests"
 	"go.uber.org/goleak"
 
 	// Register Service
 	_ "github.com/tikv/pd/pkg/mcs/registry"
-	_ "github.com/tikv/pd/pkg/mcs/resource_manager/server/install"
+	_ "github.com/tikv/pd/pkg/mcs/resourcemanager/server/install"
 )
 
 func TestMain(m *testing.M) {
@@ -61,7 +61,7 @@ func (suite *resourceManagerClientTestSuite) SetupSuite() {
 	var err error
 	re := suite.Require()
 
-	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resource_manager/server/enableDegradedMode", `return(true)`))
+	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/enableDegradedMode", `return(true)`))
 
 	suite.ctx, suite.clean = context.WithCancel(context.Background())
 
@@ -146,7 +146,7 @@ func (suite *resourceManagerClientTestSuite) TearDownSuite() {
 	suite.client.Close()
 	suite.cluster.Destroy()
 	suite.clean()
-	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resource_manager/server/enableDegradedMode"))
+	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/enableDegradedMode"))
 }
 
 func (suite *resourceManagerClientTestSuite) TearDownTest() {
@@ -599,7 +599,7 @@ func (suite *resourceManagerClientTestSuite) TestAcquireTokenBucket() {
 		Requests:              make([]*rmpb.TokenBucketRequest, 0),
 		TargetRequestPeriodMs: uint64(time.Second * 10 / time.Millisecond),
 	}
-	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resource_manager/server/fastPersist", `return(true)`))
+	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/fastPersist", `return(true)`))
 	suite.resignAndWaitLeader()
 	groups = append(groups, &rmpb.ResourceGroup{Name: "test3"})
 	for i := 0; i < 3; i++ {
@@ -647,7 +647,7 @@ func (suite *resourceManagerClientTestSuite) TestAcquireTokenBucket() {
 		re.NoError(err)
 		checkFunc(gresp, groups[0])
 	}
-	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resource_manager/server/fastPersist"))
+	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/fastPersist"))
 }
 
 func (suite *resourceManagerClientTestSuite) TestBasicResourceGroupCURD() {
@@ -933,7 +933,7 @@ func (suite *resourceManagerClientTestSuite) TestResourceManagerClientDegradedMo
 		WriteCostPerByte: 1,
 		CPUMsCost:        1,
 	}
-	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resource_manager/server/acquireFailed", `return(true)`))
+	re.NoError(failpoint.Enable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/acquireFailed", `return(true)`))
 	re.NoError(failpoint.Enable("github.com/tikv/pd/client/resource_group/controller/degradedModeRU", "return(true)"))
 	controller, _ := controller.NewResourceGroupController(suite.ctx, 1, cli, cfg)
 	controller.Start(suite.ctx)
@@ -959,7 +959,7 @@ func (suite *resourceManagerClientTestSuite) TestResourceManagerClientDegradedMo
 	// we can not check `inDegradedMode` because of data race.
 	re.True(endTime.Before(beginTime.Add(time.Second)))
 	controller.Stop()
-	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resource_manager/server/acquireFailed"))
+	re.NoError(failpoint.Disable("github.com/tikv/pd/pkg/mcs/resourcemanager/server/acquireFailed"))
 	re.NoError(failpoint.Disable("github.com/tikv/pd/client/resource_group/controller/degradedModeRU"))
 }
 
@@ -997,7 +997,7 @@ func (suite *resourceManagerClientTestSuite) TestLoadRequestUnitConfig() {
 	re.Equal(expectedConfig.WriteBaseCost, config.WriteBaseCost)
 	re.Equal(expectedConfig.WriteBytesCost, config.WriteBytesCost)
 	re.Equal(expectedConfig.CPUMsCost, config.CPUMsCost)
-	// refer github.com/tikv/pd/pkg/mcs/resource_manager/server/enableDegradedMode, check with 1s.
+	// refer github.com/tikv/pd/pkg/mcs/resourcemanager/server/enableDegradedMode, check with 1s.
 	re.Equal(time.Second, config.DegradedModeWaitDuration)
 }
 

tests/integrations/mcs/testutil.go

@@ -24,7 +24,7 @@ import (
 	"github.com/stretchr/testify/require"
 	pd "github.com/tikv/pd/client"
 	bs "github.com/tikv/pd/pkg/basicserver"
-	rm "github.com/tikv/pd/pkg/mcs/resource_manager/server"
+	rm "github.com/tikv/pd/pkg/mcs/resourcemanager/server"
 	tso "github.com/tikv/pd/pkg/mcs/tso/server"
 	"github.com/tikv/pd/pkg/utils/logutil"
 	"github.com/tikv/pd/pkg/utils/testutil"

tests/server/cluster/cluster_test.go

@@ -44,7 +44,7 @@ import (
 	"github.com/tikv/pd/server"
 	"github.com/tikv/pd/server/cluster"
 	"github.com/tikv/pd/server/config"
-	syncer "github.com/tikv/pd/server/region_syncer"
+	syncer "github.com/tikv/pd/server/regionsyncer"
 	"github.com/tikv/pd/tests"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -831,7 +831,7 @@ func TestLoadClusterInfo(t *testing.T) {
 	}
 
 	for _, store := range stores {
-		re.NoError(testStorage.SaveStore(store))
+		re.NoError(testStorage.SaveStoreMeta(store))
 	}
 
 	regions := make([]*metapb.Region, 0, n)
@@ -1450,7 +1450,7 @@ func TestTransferLeaderBack(t *testing.T) {
 	}
 
 	for _, store := range stores {
-		re.NoError(storage.SaveStore(store))
+		re.NoError(storage.SaveStoreMeta(store))
 	}
 	rc, err = rc.LoadClusterInfo()
 	re.NoError(err)