change the replicas keyword to service_num

cli/command/migrate.go

@@ -152,7 +152,7 @@ func checkMigrateTopology(curveadm *cli.CurveAdm, data string) error {
 		dcs2add[0].GetRole() != dcs2del[0].GetRole() {
 		return errno.ERR_REQUIRE_SAME_ROLE_SERVICES_FOR_MIGRATING
 	}
-	if len(dcs2del) != dcs2del[0].GetReplicas() {
+	if len(dcs2del) != dcs2del[0].GetInstance() {
 		return errno.ERR_REQUIRE_WHOLE_HOST_SERVICES_FOR_MIGRATING
 	}
 

cli/command/status.go

@@ -47,12 +47,13 @@ var (
 	}
 )
 
+// todo change status print from replicas to service num
 type statusOptions struct {
 	id           string
 	role         string
 	host         string
 	verbose      bool
-	showReplicas bool
+	showInstance bool
 }
 
 func NewStatusCommand(curveadm *cli.CurveAdm) *cobra.Command {
@@ -73,7 +74,7 @@ func NewStatusCommand(curveadm *cli.CurveAdm) *cobra.Command {
 	flags.StringVar(&options.role, "role", "*", "Specify service role")
 	flags.StringVar(&options.host, "host", "*", "Specify service host")
 	flags.BoolVarP(&options.verbose, "verbose", "v", false, "Verbose output for status")
-	flags.BoolVarP(&options.showReplicas, "show-replicas", "s", false, "Display service replicas")
+	flags.BoolVarP(&options.showInstance, "show-instance", "s", false, "Display service num")
 
 	return cmd
 }
@@ -113,7 +114,7 @@ func displayStatus(curveadm *cli.CurveAdm, dcs []*topology.DeployConfig, options
 		}
 	}
 
-	output := tui.FormatStatus(statuses, options.verbose, options.showReplicas)
+	output := tui.FormatStatus(statuses, options.verbose, options.showInstance)
 	curveadm.WriteOutln("")
 	curveadm.WriteOutln("cluster name      : %s", curveadm.ClusterName())
 	curveadm.WriteOutln("cluster kind      : %s", dcs[0].GetKind())

configs/bs/cluster/topology.yaml

@@ -41,11 +41,11 @@ chunkserver_services:
     copysets: 100
   deploy:
     - host: ${machine1}
-      replicas: 3    # 请注意这里的replica不代表存储池的副本数，而是节点上同类进程的数量，比如这里指的是chunkserver进程的数量，也就是配置的磁盘数，相关问题可以参考：https://github.com/opencurve/curveadm/issues/146
+      instance: 3
     - host: ${machine2}
-      replicas: 3
+      instance: 3
     - host: ${machine3}
-      replicas: 3
+      instance: 3
 
 snapshotclone_services:
   config:

go.mod

@@ -129,4 +129,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-replace github.com/melbahja/goph v1.3.0 => github.com/Wine93/goph v0.0.0-20220907033045-3b286d827fb3
+replace github.com/melbahja/goph v1.3.0 => github.com/Wine93/goph v0.0.0-20220907033045-3b286d827fb3

internal/configure/pool.go

@@ -173,7 +173,7 @@ func createLogicalPool(dcs []*topology.DeployConfig, logicalPool string, poolset
 			// see issue: https://github.com/opencurve/curve/issues/1441
 			internalPort := dc.GetListenPort()
 			externalPort := dc.GetListenExternalPort()
-			if dc.GetReplicas() > 1 {
+			if dc.GetInstance() > 1 {
 				internalPort = 0
 				externalPort = 0
 			}

internal/configure/topology/dc.go

@@ -55,7 +55,7 @@ type (
 		host             string
 		hostname         string
 		name             string
-		replicas         int
+		instance         int
 		hostSequence     int // start with 0
 		replicasSequence int // start with 0
 
@@ -104,7 +104,7 @@ func newVariables(m map[string]interface{}) (*variable.Variables, error) {
 	return vars, nil
 }
 
-func NewDeployConfig(ctx *Context, kind, role, host, name string, replicas int,
+func NewDeployConfig(ctx *Context, kind, role, host, name string, instance int,
 	hostSequence, replicasSequence int, config map[string]interface{}) (*DeployConfig, error) {
 	// variable section
 	v := config[CONFIG_VARIABLE.key]
@@ -143,7 +143,7 @@ func NewDeployConfig(ctx *Context, kind, role, host, name string, replicas int,
 		role:             role,
 		host:             host,
 		name:             name,
-		replicas:         replicas,
+		instance:         instance,
 		hostSequence:     hostSequence,
 		replicasSequence: replicasSequence,
 		config:           config,

internal/configure/topology/dc_get.go

@@ -117,7 +117,7 @@ func (dc *DeployConfig) GetRole() string                     { return dc.role }
 func (dc *DeployConfig) GetHost() string                     { return dc.host }
 func (dc *DeployConfig) GetHostname() string                 { return dc.hostname }
 func (dc *DeployConfig) GetName() string                     { return dc.name }
-func (dc *DeployConfig) GetReplicas() int                    { return dc.replicas }
+func (dc *DeployConfig) GetInstance() int                    { return dc.instance }
 func (dc *DeployConfig) GetHostSequence() int                { return dc.hostSequence }
 func (dc *DeployConfig) GetReplicasSequence() int            { return dc.replicasSequence }
 func (dc *DeployConfig) GetServiceConfig() map[string]string { return dc.serviceConfig }

internal/configure/topology/topology.go

@@ -36,8 +36,9 @@ type (
 	Deploy struct {
 		Host     string                 `mapstructure:"host"`
 		Name     string                 `mapstructure:"name"`
-		Replica  int                    `mapstructure:"replica"` // old version
-		Replicas int                    `mapstructure:"replicas"`
+		Replica  int                    `mapstructure:"replica"`  // old version
+		Replicas int                    `mapstructure:"replicas"` // old version
+		Instance int                    `mapstructure:"instance"`
 		Config   map[string]interface{} `mapstructure:"config"`
 	}
 
@@ -149,22 +150,27 @@ func ParseTopology(data string, ctx *Context) ([]*DeployConfig, error) {
 			merge(servicesConfig, deployConfig, 1)
 
 			// create deploy config
-			replicas := 1
+			instance := 1
 			if deploy.Replicas < 0 {
 				return nil, errno.ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER.
 					F("replicas: %d", deploy.Replicas)
 			} else if deploy.Replica < 0 {
 				return nil, errno.ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER.
 					F("replica: %d", deploy.Replica)
+			} else if deploy.Instance < 0 {
+				return nil, errno.ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER.
+					F("replica: %d", deploy.Instance)
+			} else if deploy.Instance > 0 {
+				instance = deploy.Instance
 			} else if deploy.Replicas > 0 {
-				replicas = deploy.Replicas
+				instance = deploy.Replicas
 			} else if deploy.Replica > 0 {
-				replicas = deploy.Replica
+				instance = deploy.Replica
 			}
 
-			for replicasSequence := 0; replicasSequence < replicas; replicasSequence++ {
+			for replicasSequence := 0; replicasSequence < instance; replicasSequence++ {
 				dc, err := NewDeployConfig(ctx, kind,
-					role, deploy.Host, deploy.Name, replicas,
+					role, deploy.Host, deploy.Name, instance,
 					hostSequence, replicasSequence, utils.DeepCopy(deployConfig))
 				if err != nil {
 					return nil, err // already is error code

internal/errno/errno.go

@@ -348,11 +348,13 @@ var (
 	ERR_RENDERING_VARIABLE_FAILED       = EC(330007, "rendering variable failed")
 	ERR_CREATE_HASH_FOR_TOPOLOGY_FAILED = EC(330008, "create hash for topology failed")
 	// 331: configure (topology.yaml: invalid configure value)
-	ERR_UNSUPPORT_CLUSTER_KIND             = EC(331000, "unsupport cluster kind")
-	ERR_NO_SERVICES_IN_TOPOLOGY            = EC(331001, "no services in topology")
-	ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER = EC(331002, "replicas requires a positive integer")
-	ERR_INVALID_VARIABLE_SECTION           = EC(331003, "invalid variable section")
-	ERR_DUPLICATE_SERVICE_ID               = EC(331004, "service id is duplicate")
+	//todo: remove ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER and change to ERR_NO_SERVICES_NUM_TOPOLOGY
+	ERR_UNSUPPORT_CLUSTER_KIND                = EC(331000, "unsupport cluster kind")
+	ERR_NO_SERVICES_IN_TOPOLOGY               = EC(331001, "no services in topology")
+	ERR_REPLICAS_REQUIRES_POSITIVE_INTEGER    = EC(331002, "replicas requires a positive integer")
+	ERR_INVALID_VARIABLE_SECTION              = EC(331003, "invalid variable section")
+	ERR_DUPLICATE_SERVICE_ID                  = EC(331004, "service id is duplicate")
+	ERR_SERVICE_NUM_REQUIRES_POSITIVE_INTEGER = EC(331005, "service_num requires a positive integer")
 	// 332: configure (topology.yaml: update topology)
 	ERR_DELETE_SERVICE_WHILE_COMMIT_TOPOLOGY_IS_DENIED   = EC(332000, "delete service while commit topology is denied")
 	ERR_ADD_SERVICE_WHILE_COMMIT_TOPOLOGY_IS_DENIED      = EC(332001, "add service while commit topology is denied")

internal/task/task/checker/network.go

@@ -65,7 +65,7 @@ func joinPorts(dc *topology.DeployConfig, addresses []Address) string {
 	for _, address := range addresses {
 		ports = append(ports, strconv.Itoa(address.Port))
 	}
-	if dc.GetReplicas() > 1 { // replicas service
+	if dc.GetInstance() > 1 { // replicas service
 		ports = append(ports, "...")
 	}
 	return strings.Join(ports, ",")

internal/task/task/common/service_status.go

@@ -85,7 +85,7 @@ type (
 		ParentId    string
 		Role        string
 		Host        string
-		Replica     string
+		Instance    string
 		ContainerId string
 		Ports       string
 		IsLeader    bool
@@ -117,7 +117,7 @@ func (s *step2InitStatus) Execute(ctx *context.Context) error {
 		ParentId:    dc.GetParentId(),
 		Role:        dc.GetRole(),
 		Host:        dc.GetHost(),
-		Replica:     fmt.Sprintf("1/%d", dc.GetReplicas()),
+		Instance:    fmt.Sprintf("1/%d", dc.GetInstance()),
 		ContainerId: tui.TrimContainerId(s.containerId),
 		Status:      comm.SERVICE_STATUS_UNKNOWN,
 		LogDir:      dc.GetLogDir(),
@@ -206,7 +206,7 @@ func (s *step2FormatServiceStatus) Execute(ctx *context.Context) error {
 		ParentId:    dc.GetParentId(),
 		Role:        dc.GetRole(),
 		Host:        dc.GetHost(),
-		Replica:     fmt.Sprintf("1/%d", dc.GetReplicas()),
+		Instance:    fmt.Sprintf("1/%d", dc.GetInstance()),
 		ContainerId: tui.TrimContainerId(s.containerId),
 		Ports:       *s.ports,
 		IsLeader:    *s.isLeader,

internal/tui/service/status.go

@@ -194,7 +194,7 @@ func mergeStatues(statuses []task.ServiceStatus) []task.ServiceStatus {
 			Id:          merge(statuses[i:j], ITEM_ID),
 			Role:        status.Role,
 			Host:        status.Host,
-			Replica:     fmt.Sprintf("%d/%s", j-i, strings.Split(status.Replica, "/")[1]),
+			Instance:    fmt.Sprintf("%d/%s", j-i, strings.Split(status.Instance, "/")[1]),
 			ContainerId: merge(statuses[i:j], ITEM_CONTAINER_ID),
 			Status:      merge(statuses[i:j], ITEM_STATUS),
 			Ports:       merge(statuses[i:j], ITEM_PORTS),
@@ -214,7 +214,7 @@ func FormatStatus(statuses []task.ServiceStatus, verbose, expand bool) string {
 		"Id",
 		"Role",
 		"Host",
-		"Replicas",
+		"Instance",
 		"Container Id",
 		"Status",
 		"Ports",
@@ -235,7 +235,7 @@ func FormatStatus(statuses []task.ServiceStatus, verbose, expand bool) string {
 			status.Id,
 			status.Role,
 			status.Host,
-			status.Replica,
+			status.Instance,
 			status.ContainerId,
 			tui.DecorateMessage{Message: status.Status, Decorate: statusDecorate},
 			utils.Choose(len(status.Ports) == 0, "-", status.Ports),