[
https://issues.apache.org/jira/browse/SCB-941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16633316#comment-16633316
]
ASF GitHub Bot commented on SCB-941:
------------------------------------
little-cui closed pull request #453: SCB-941 New admin/clusters API and cluster
command
URL: https://github.com/apache/incubator-servicecomb-service-center/pull/453
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git a/pkg/client/sc/apis.go b/pkg/client/sc/apis.go
index 99e0c811..9fff2505 100644
--- a/pkg/client/sc/apis.go
+++ b/pkg/client/sc/apis.go
@@ -23,16 +23,18 @@ import (
"github.com/apache/incubator-servicecomb-service-center/server/core"
pb
"github.com/apache/incubator-servicecomb-service-center/server/core/proto"
scerr
"github.com/apache/incubator-servicecomb-service-center/server/error"
+
"github.com/apache/incubator-servicecomb-service-center/server/plugin/pkg/registry"
"github.com/apache/incubator-servicecomb-service-center/version"
"io/ioutil"
"net/http"
)
const (
- apiVersionURL = "/version"
- apiDumpURL = "/v4/default/admin/dump"
- apiSchemasURL = "/v4/%s/registry/microservices/%s/schemas"
- apiSchemaURL = "/v4/%s/registry/microservices/%s/schemas/%s"
+ apiVersionURL = "/version"
+ apiDumpURL = "/v4/default/admin/dump"
+ apiClustersURL = "/v4/default/admin/clusters"
+ apiSchemasURL = "/v4/%s/registry/microservices/%s/schemas"
+ apiSchemaURL = "/v4/%s/registry/microservices/%s/schemas/%s"
)
func (c *SCClient) toError(body []byte) *scerr.Error {
@@ -172,3 +174,32 @@ func (c *SCClient) GetSchemaBySchemaId(domainProject,
serviceId, schemaId string
Summary: schema.SchemaSummary,
}, nil
}
+
+func (c *SCClient) GetClusters() (registry.Clusters, *scerr.Error) {
+ headers := c.commonHeaders()
+ // only default domain has admin permission
+ headers.Set("X-Domain-Name", "default")
+ resp, err := c.URLClient.HttpDo(http.MethodGet,
c.Config.Addr+apiClustersURL, headers, nil)
+ if err != nil {
+ return nil, scerr.NewError(scerr.ErrInternal, err.Error())
+ }
+ defer resp.Body.Close()
+
+ body, err := ioutil.ReadAll(resp.Body)
+ if err != nil {
+ return nil, scerr.NewError(scerr.ErrInternal, err.Error())
+ }
+
+ if resp.StatusCode != http.StatusOK {
+ return nil, c.toError(body)
+ }
+
+ clusters := &model.ClustersResponse{}
+ err = json.Unmarshal(body, clusters)
+ if err != nil {
+ fmt.Println(string(body))
+ return nil, scerr.NewError(scerr.ErrInternal, err.Error())
+ }
+
+ return clusters.Clusters, nil
+}
diff --git a/scctl/bootstrap/bootstrap.go b/scctl/bootstrap/bootstrap.go
index b1ff4815..cb0c88b0 100644
--- a/scctl/bootstrap/bootstrap.go
+++ b/scctl/bootstrap/bootstrap.go
@@ -20,3 +20,4 @@ import _
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugi
import _
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugin/get/service"
import _
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugin/get/instance"
import _
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugin/get/schema"
+import _
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugin/get/cluster"
diff --git a/scctl/pkg/plugin/README.md b/scctl/pkg/plugin/README.md
index c265e2e4..979cdeaa 100644
--- a/scctl/pkg/plugin/README.md
+++ b/scctl/pkg/plugin/README.md
@@ -134,6 +134,19 @@ ls -l schemas/springmvc/provider.v0.0.1
# type: "string"
```
+### cluster [options]
+
+Get the registry clusters managed by ServiceCenter.
+
+#### Examples
+```bash
+./scctl get cluster
+# CLUSTER | ENDPOINTS
+# +---------+-------------------------+
+# sc-1 | http://172.0.1.32:30100
+# sc-0 | http://172.0.1.29:30100
+```
+
## Diagnose commands
The diagnostic command can output the ServiceCenter health report.
diff --git a/scctl/pkg/plugin/get/cluster/cluster_cmd.go
b/scctl/pkg/plugin/get/cluster/cluster_cmd.go
new file mode 100644
index 00000000..1a469a54
--- /dev/null
+++ b/scctl/pkg/plugin/get/cluster/cluster_cmd.go
@@ -0,0 +1,59 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cluster
+
+import (
+ "github.com/apache/incubator-servicecomb-service-center/pkg/client/sc"
+ "github.com/apache/incubator-servicecomb-service-center/scctl/pkg/cmd"
+
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/plugin/get"
+
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/writer"
+ "github.com/spf13/cobra"
+)
+
+func init() {
+ NewClusterCommand(get.RootCmd)
+}
+
+func NewClusterCommand(parent *cobra.Command) *cobra.Command {
+ cmd := &cobra.Command{
+ Use: "cluster [options]",
+ Short: "Output the registry clusters managed by service center",
+ Run: ClusterCommandFunc,
+ }
+
+ parent.AddCommand(cmd)
+ return cmd
+}
+
+func ClusterCommandFunc(_ *cobra.Command, args []string) {
+ scClient, err := sc.NewSCClient(cmd.ScClientConfig)
+ if err != nil {
+ cmd.StopAndExit(cmd.ExitError, err)
+ }
+ clusters, scErr := scClient.GetClusters()
+ if scErr != nil {
+ cmd.StopAndExit(cmd.ExitError, scErr)
+ }
+ records := make(map[string]*ClusterRecord)
+ for name, endpoints := range clusters {
+ records[name] = &ClusterRecord{
+ Name: name, Endpoints: endpoints,
+ }
+ }
+ sp := &ClustersPrinter{Records: records}
+ sp.SetOutputFormat(get.Output, get.AllDomains)
+ writer.PrintTable(sp)
+}
diff --git a/scctl/pkg/plugin/get/cluster/printer.go
b/scctl/pkg/plugin/get/cluster/printer.go
new file mode 100644
index 00000000..5ab1d820
--- /dev/null
+++ b/scctl/pkg/plugin/get/cluster/printer.go
@@ -0,0 +1,69 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cluster
+
+import (
+ "github.com/apache/incubator-servicecomb-service-center/pkg/util"
+
"github.com/apache/incubator-servicecomb-service-center/scctl/pkg/writer"
+)
+
+var (
+ clusterTableHeader = []string{"CLUSTER", "ENDPOINTS"}
+)
+
+type ClusterRecord struct {
+ Name string
+ Endpoints []string
+}
+
+func (s *ClusterRecord) EndpointsString() string {
+ return util.StringJoin(s.Endpoints, "\n")
+}
+
+func (s *ClusterRecord) PrintBody(fmt string) []string {
+ return []string{s.Name, s.EndpointsString()}
+}
+
+type ClustersPrinter struct {
+ Records map[string]*ClusterRecord
+ flags []interface{}
+}
+
+func (sp *ClustersPrinter) SetOutputFormat(f string, all bool) {
+ sp.Flags(f, all)
+}
+
+func (sp *ClustersPrinter) Flags(flags ...interface{}) []interface{} {
+ if len(flags) > 0 {
+ sp.flags = flags
+ }
+ return sp.flags
+}
+
+func (sp *ClustersPrinter) PrintBody() (slice [][]string) {
+ for _, s := range sp.Records {
+ slice = append(slice, s.PrintBody(sp.flags[0].(string)))
+ }
+ return
+}
+
+func (sp *ClustersPrinter) PrintTitle() []string {
+ return clusterTableHeader
+}
+
+func (sp *ClustersPrinter) Sorter() *writer.RecordsSorter {
+ return nil
+}
diff --git a/scctl/pkg/plugin/get/instance/types.go
b/scctl/pkg/plugin/get/instance/printer.go
similarity index 97%
rename from scctl/pkg/plugin/get/instance/types.go
rename to scctl/pkg/plugin/get/instance/printer.go
index 180ca85c..110b1a2d 100644
--- a/scctl/pkg/plugin/get/instance/types.go
+++ b/scctl/pkg/plugin/get/instance/printer.go
@@ -112,3 +112,7 @@ func (sp *InstancePrinter) PrintTitle() []string {
return shortInstanceTableHeader
}
}
+
+func (sp *InstancePrinter) Sorter() *writer.RecordsSorter {
+ return nil
+}
diff --git a/scctl/pkg/plugin/get/schema/schema_cmd.go
b/scctl/pkg/plugin/get/schema/schema_cmd.go
index 31e58cf3..31ded098 100644
--- a/scctl/pkg/plugin/get/schema/schema_cmd.go
+++ b/scctl/pkg/plugin/get/schema/schema_cmd.go
@@ -32,10 +32,6 @@ import (
"strings"
)
-const (
- defaultBufferSize = 64 * 1024
-)
-
var (
AppId string
ServiceName string
diff --git a/scctl/pkg/plugin/get/schema/types.go
b/scctl/pkg/plugin/get/schema/writer.go
similarity index 100%
rename from scctl/pkg/plugin/get/schema/types.go
rename to scctl/pkg/plugin/get/schema/writer.go
diff --git a/scctl/pkg/plugin/get/service/types.go
b/scctl/pkg/plugin/get/service/printer.go
similarity index 97%
rename from scctl/pkg/plugin/get/service/types.go
rename to scctl/pkg/plugin/get/service/printer.go
index d00f6d8d..c75f2a0f 100644
--- a/scctl/pkg/plugin/get/service/types.go
+++ b/scctl/pkg/plugin/get/service/printer.go
@@ -106,3 +106,7 @@ func (sp *ServicePrinter) PrintTitle() []string {
return shortServiceTableHeader
}
}
+
+func (sp *ServicePrinter) Sorter() *writer.RecordsSorter {
+ return nil
+}
diff --git a/scctl/pkg/writer/sorter.go b/scctl/pkg/writer/sorter.go
new file mode 100644
index 00000000..9e506223
--- /dev/null
+++ b/scctl/pkg/writer/sorter.go
@@ -0,0 +1,46 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package writer
+
+func firstColumnCmpFunc(row1, row2 []string) bool {
+ return row1[0] < row2[0]
+}
+
+type RecordsSorter struct {
+ Records [][]string
+ CompareFunc func(row1, row2 []string) bool
+}
+
+func (s *RecordsSorter) Len() int {
+ return len(s.Records)
+}
+
+func (s *RecordsSorter) Swap(i, j int) {
+ s.Records[i], s.Records[j] = s.Records[j], s.Records[i]
+}
+
+func (s *RecordsSorter) Less(i, j int) bool {
+ return s.CompareFunc(s.Records[i], s.Records[j])
+}
+
+func NewRecordsSorter(cmp func([]string, []string) bool) *RecordsSorter {
+ if cmp == nil {
+ cmp = firstColumnCmpFunc
+ }
+ return &RecordsSorter{
+ CompareFunc: cmp,
+ }
+}
diff --git a/scctl/pkg/writer/writer.go b/scctl/pkg/writer/writer.go
index 744637e9..310ba57a 100644
--- a/scctl/pkg/writer/writer.go
+++ b/scctl/pkg/writer/writer.go
@@ -18,6 +18,7 @@ package writer
import (
"github.com/olekukonko/tablewriter"
"os"
+ "sort"
"strconv"
"time"
)
@@ -28,6 +29,7 @@ type Printer interface {
Flags(flags ...interface{}) []interface{}
PrintBody() [][]string
PrintTitle() []string
+ Sorter() *RecordsSorter
}
func TimeFormat(delta time.Duration) string {
@@ -63,5 +65,12 @@ func MakeTable(tableName []string, tableContent [][]string) {
}
func PrintTable(p Printer) {
- MakeTable(p.PrintTitle(), p.PrintBody())
+ body := p.PrintBody()
+ sorter := p.Sorter()
+ if sorter == nil {
+ sorter = NewRecordsSorter(nil)
+ }
+ sorter.Records = body
+ sort.Sort(sorter)
+ MakeTable(p.PrintTitle(), body)
}
diff --git a/server/admin/controller_v4.go b/server/admin/controller_v4.go
index 5fd786a1..077042a5 100644
--- a/server/admin/controller_v4.go
+++ b/server/admin/controller_v4.go
@@ -32,6 +32,7 @@ type AdminServiceControllerV4 struct {
func (ctrl *AdminServiceControllerV4) URLPatterns() []rest.Route {
return []rest.Route{
{rest.HTTP_METHOD_GET, "/v4/:project/admin/dump", ctrl.Dump},
+ {rest.HTTP_METHOD_GET, "/v4/:project/admin/clusters",
ctrl.Clusters},
}
}
@@ -44,3 +45,13 @@ func (ctrl *AdminServiceControllerV4) Dump(w
http.ResponseWriter, r *http.Reques
resp.Response = nil
controller.WriteResponse(w, respInternal, resp)
}
+
+func (ctrl *AdminServiceControllerV4) Clusters(w http.ResponseWriter, r
*http.Request) {
+ request := &model.ClustersRequest{}
+ ctx := r.Context()
+ resp, _ := AdminServiceAPI.Clusters(ctx, request)
+
+ respInternal := resp.Response
+ resp.Response = nil
+ controller.WriteResponse(w, respInternal, resp)
+}
diff --git a/server/admin/model/cluster.go b/server/admin/model/cluster.go
new file mode 100644
index 00000000..5e768f20
--- /dev/null
+++ b/server/admin/model/cluster.go
@@ -0,0 +1,29 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+ pb
"github.com/apache/incubator-servicecomb-service-center/server/core/proto"
+
"github.com/apache/incubator-servicecomb-service-center/server/plugin/pkg/registry"
+)
+
+type ClustersRequest struct {
+}
+
+type ClustersResponse struct {
+ Response *pb.Response `json:"response,omitempty"`
+ Clusters registry.Clusters `json:"clusters,omitempty"`
+}
diff --git a/server/admin/service.go b/server/admin/service.go
index d178a650..2a86d80f 100644
--- a/server/admin/service.go
+++ b/server/admin/service.go
@@ -25,6 +25,7 @@ import (
pb
"github.com/apache/incubator-servicecomb-service-center/server/core/proto"
scerr
"github.com/apache/incubator-servicecomb-service-center/server/error"
"github.com/apache/incubator-servicecomb-service-center/server/plugin/pkg/discovery"
+
"github.com/apache/incubator-servicecomb-service-center/server/plugin/pkg/registry"
"github.com/apache/incubator-servicecomb-service-center/version"
"github.com/astaxie/beego"
"golang.org/x/net/context"
@@ -39,10 +40,13 @@ var (
)
func init() {
+ // cache envs
for _, kv := range os.Environ() {
arr := strings.Split(kv, "=")
environments[arr[0]] = arr[1]
}
+
+ // cache configs
configs, _ = beego.AppConfig.GetSection("default")
if section, err := beego.AppConfig.GetSection(beego.BConfig.RunMode);
err == nil {
for k, v := range section {
@@ -96,3 +100,9 @@ func setValue(e discovery.Adaptor, setter model.Setter) {
return true
})
}
+
+func (service *AdminService) Clusters(ctx context.Context, in
*model.ClustersRequest) (*model.ClustersResponse, error) {
+ return &model.ClustersResponse{
+ Clusters: registry.Configuration().Clusters,
+ }, nil
+}
diff --git a/server/core/swagger/v4.yaml b/server/core/swagger/v4.yaml
index 07fe446e..75ff962d 100644
--- a/server/core/swagger/v4.yaml
+++ b/server/core/swagger/v4.yaml
@@ -1636,6 +1636,7 @@ paths:
required: true
- name: project
in: path
+ default: default
description: default项目
required: true
type: string
@@ -1650,6 +1651,31 @@ paths:
description: Forbidden
schema:
type: string
+ /v4/{project}/admin/clusters:
+ get:
+ description: |
+ Return the registry clusters managed by Service Center
+ operationId: clusters
+ parameters:
+ - name: x-domain-name
+ in: header
+ type: string
+ default: default
+ description: default租户
+ required: true
+ - name: project
+ in: path
+ default: default
+ description: default项目
+ required: true
+ type: string
+ tags:
+ - admin
+ responses:
+ 200:
+ description: clusters information
+ schema:
+ $ref: '#/definitions/ClustersResponse'
definitions:
Version:
type: object
@@ -2408,3 +2434,15 @@ definitions:
$ref: '#/definitions/Properties'
cache:
$ref: "#/definitions/Cache"
+ Clusters:
+ type: object
+ description: Clusters information
+ additionalProperties:
+ type: array
+ items:
+ type: string
+ ClustersResponse:
+ type: object
+ properties:
+ clusters:
+ $ref: '#/definitions/Clusters'
diff --git a/server/plugin/pkg/discovery/sc/aggregate.go
b/server/plugin/pkg/discovery/sc/aggregate.go
index 77dce38b..d16430ce 100644
--- a/server/plugin/pkg/discovery/sc/aggregate.go
+++ b/server/plugin/pkg/discovery/sc/aggregate.go
@@ -78,12 +78,13 @@ func (c *SCClientAggregate)
GetSchemaBySchemaId(domainProject, serviceId, schema
func NewSCClientAggregate() *SCClientAggregate {
c := &SCClientAggregate{}
- clusters := registry.Configuration().Clusters()
+ clusters := registry.Configuration().Clusters
for name, addr := range clusters {
if len(name) == 0 || name ==
registry.Configuration().ClusterName {
continue
}
- client, err := sc.NewSCClient(sc.Config{Addr: addr})
+ // TODO support endpoints LB
+ client, err := sc.NewSCClient(sc.Config{Addr: addr[0]})
if err != nil {
log.Errorf(err, "new service center[%s][%s] client
failed", name, addr)
continue
diff --git a/server/plugin/pkg/registry/config.go
b/server/plugin/pkg/registry/config.go
index 5f404cfb..0e7a61a4 100644
--- a/server/plugin/pkg/registry/config.go
+++ b/server/plugin/pkg/registry/config.go
@@ -34,38 +34,38 @@ type Config struct {
EmbedMode string
ManagerAddress string
ClusterName string
- ClusterAddresses string
+ ClusterAddresses string // the raw string of cluster configuration
+ Clusters Clusters // parsed from ClusterAddresses
DialTimeout time.Duration
RequestTimeOut time.Duration
AutoSyncInterval time.Duration
}
-func (c *Config) Clusters() map[string]string {
- clusters := make(map[string]string)
+func (c *Config) InitClusters() {
+ c.Clusters = make(Clusters)
kvs := strings.Split(c.ClusterAddresses, ",")
for _, cluster := range kvs {
- // sc-0=http(s)://host:port
+ // sc-0=http(s)://host1:port1|http(s)://host2:port2
names := strings.Split(cluster, "=")
if len(names) != 2 {
continue
}
- clusters[names[0]] = names[1]
+ c.Clusters[names[0]] = strings.Split(names[1], "|")
}
- if len(clusters) == 0 {
- clusters[c.ClusterName] = c.ClusterAddresses
+ if len(c.Clusters) == 0 {
+ c.Clusters[c.ClusterName] = []string{c.ClusterAddresses}
}
- return clusters
}
+// ClusterAddress return the address of current SC's registry backend
func (c *Config) ClusterAddress() string {
- return c.Clusters()[c.ClusterName]
+ return c.Clusters[c.ClusterName][0]
}
func Configuration() *Config {
configOnce.Do(func() {
var err error
-
- defaultRegistryConfig.ClusterName =
beego.AppConfig.String("manager_name")
+ defaultRegistryConfig.ClusterName =
beego.AppConfig.DefaultString("manager_name", "default")
defaultRegistryConfig.ManagerAddress =
beego.AppConfig.String("manager_addr")
defaultRegistryConfig.ClusterAddresses =
beego.AppConfig.DefaultString("manager_cluster", "http://127.0.0.1:2379";)
defaultRegistryConfig.DialTimeout, err =
time.ParseDuration(beego.AppConfig.DefaultString("registry_timeout", "30s"))
@@ -84,6 +84,7 @@ func Configuration() *Config {
if err != nil {
log.Errorf(err, "auto_sync_interval is invalid")
}
+ defaultRegistryConfig.InitClusters()
})
return &defaultRegistryConfig
}
diff --git a/server/plugin/pkg/registry/etcd/etcd_test.go
b/server/plugin/pkg/registry/etcd/etcd_test.go
index 7f1a50b4..5fc3fa67 100644
--- a/server/plugin/pkg/registry/etcd/etcd_test.go
+++ b/server/plugin/pkg/registry/etcd/etcd_test.go
@@ -67,6 +67,7 @@ func TestEtcdClient(t *testing.T) {
old1 := registry.Configuration().ClusterAddresses
old2 := registry.Configuration().DialTimeout
registry.Configuration().ClusterAddresses = "x"
+ registry.Configuration().InitClusters()
registry.Configuration().DialTimeout = dialTimeout
inst = NewRegistry()
if inst == nil {
@@ -78,6 +79,7 @@ func TestEtcdClient(t *testing.T) {
t.Fatalf("TestEtcdClient failed, %#v", err)
}
registry.Configuration().ClusterAddresses = old1
+ registry.Configuration().InitClusters()
registry.Configuration().DialTimeout = old2
// case: etcd do
diff --git a/server/plugin/pkg/registry/types.go
b/server/plugin/pkg/registry/types.go
index 986e95d8..ed5c9825 100644
--- a/server/plugin/pkg/registry/types.go
+++ b/server/plugin/pkg/registry/types.go
@@ -121,3 +121,5 @@ func (pr *PluginResponse) String() string {
return fmt.Sprintf("{action: %s, count: %d/%d, rev: %d, succeed: %v}",
pr.Action, len(pr.Kvs), pr.Count, pr.Revision, pr.Succeeded)
}
+
+type Clusters map[string][]string
----------------------------------------------------------------
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> Support multiple datacenter deployment
> --------------------------------------
>
> Key: SCB-941
> URL: https://issues.apache.org/jira/browse/SCB-941
> Project: Apache ServiceComb
> Issue Type: New Feature
> Components: Service-Center
> Reporter: little-cui
> Assignee: little-cui
> Priority: Major
> Fix For: service-center-1.1.0
>
>
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