remove enableAdvertiseAddress field, --advertise-address should be always configured

charts/tidb-cluster/templates/scripts/_start_tidb.sh.tpl

@@ -29,9 +29,7 @@ fi
 # Use HOSTNAME if POD_NAME is unset for backward compatibility.
 POD_NAME=${POD_NAME:-$HOSTNAME}
 ARGS="--store=tikv \
-{{- if .Values.tidb.enableAdvertiseAddress | default false }}
 --advertise-address=${POD_NAME}.${HEADLESS_SERVICE_NAME}.${NAMESPACE}.svc \
-{{- end }}
 --host=0.0.0.0 \
 --path=${CLUSTER_NAME}-pd:2379 \
 --config=/etc/tidb/tidb.toml

charts/tidb-cluster/values.yaml

@@ -433,9 +433,6 @@ tidb:
       # cloud.google.com/load-balancer-type: Internal
   separateSlowLog: true
 
-  # Add --advertise-address to TiDB's startup parameters
-  enableAdvertiseAddress: false
-
   slowLogTailer:
     image: busybox:1.26.2
     resources:

docs/api-references/docs.html

@@ -7927,19 +7927,6 @@ <h3 id="pingcap.com/v1alpha1.TiDBSpec">TiDBSpec
 </tr>
 <tr>
 <td>
-<code>enableAdvertiseAddress</code></br>
-<em>
-bool
-</em>
-</td>
-<td>
-<em>(Optional)</em>
-<p>Add &ndash;advertise-address to TiDB&rsquo;s startup parameters
-Optional: Defaults to false</p>
-</td>
-</tr>
-<tr>
-<td>
 <code>maxFailoverCount</code></br>
 <em>
 int32

manifests/crd.yaml

@@ -4075,10 +4075,6 @@ spec:
                     cluster-level updateStrategy if present Optional: Defaults to
                     cluster-level setting'
                   type: string
-                enableAdvertiseAddress:
-                  description: 'Add --advertise-address to TiDB''s startup parameters
-                    Optional: Defaults to false'
-                  type: boolean
                 env:
                   description: List of environment variables to set in the container,
                     like v1.Container.Env. Note that following env names cannot be

pkg/apis/pingcap/v1alpha1/tidbcluster.go

@@ -22,14 +22,13 @@ import (
 
 const (
 	// defaultHelperImage is default image of helper
-	defaultHelperImage                = "busybox:1.26.2"
-	defaultTimeZone                   = "UTC"
-	defaultEnableTLSCluster           = false
-	defaultEnableTLSClient            = false
-	defaultExposeStatus               = true
-	defaultSeparateSlowLog            = true
-	defaultEnablePVReclaim            = false
-	defaultEnableTiDBAdvertiseAddress = false
+	defaultHelperImage      = "busybox:1.26.2"
+	defaultTimeZone         = "UTC"
+	defaultEnableTLSCluster = false
+	defaultEnableTLSClient  = false
+	defaultExposeStatus     = true
+	defaultSeparateSlowLog  = true
+	defaultEnablePVReclaim  = false
 )
 
 var (
@@ -347,13 +346,6 @@ func (tidb *TiDBSpec) IsTLSClientEnabled() bool {
 	return tidb.TLSClient != nil && tidb.TLSClient.Enabled
 }
 
-func (tidb *TiDBSpec) IsAdvertiseAddressEnabled() bool {
-	if tidb.EnableAdvertiseAddress == nil {
-		return defaultEnableTiDBAdvertiseAddress
-	}
-	return *tidb.EnableAdvertiseAddress
-}
-
 func (tidb *TiDBSpec) ShouldSeparateSlowLog() bool {
 	separateSlowLog := tidb.SeparateSlowLog
 	if separateSlowLog == nil {

pkg/apis/pingcap/v1alpha1/types.go

@@ -304,11 +304,6 @@ type TiDBSpec struct {
 	// +optional
 	BinlogEnabled *bool `json:"binlogEnabled,omitempty"`
 
-	// Add --advertise-address to TiDB's startup parameters
-	// Optional: Defaults to false
-	// +optional
-	EnableAdvertiseAddress *bool `json:"enableAdvertiseAddress,omitempty"`
-
 	// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
 	// Optional: Defaults to 3
 	// +kubebuilder:validation:Minimum=0

pkg/manager/member/template.go

@@ -50,9 +50,7 @@ fi
 # Use HOSTNAME if POD_NAME is unset for backward compatibility.
 POD_NAME=${POD_NAME:-$HOSTNAME}
 ARGS="--store=tikv \
-{{- if .EnableAdvertiseAddress }}
 --advertise-address=${POD_NAME}.${HEADLESS_SERVICE_NAME}.${NAMESPACE}.svc \
-{{- end }}
 --host=0.0.0.0 \
 --path=${CLUSTER_NAME}-pd:2379 \
 --config=/etc/tidb/tidb.toml
@@ -79,11 +77,10 @@ exec /tidb-server ${ARGS}
 `))
 
 type TidbStartScriptModel struct {
-	ClusterName            string
-	EnableAdvertiseAddress bool
-	EnablePlugin           bool
-	PluginDirectory        string
-	PluginList             string
+	ClusterName     string
+	EnablePlugin    bool
+	PluginDirectory string
+	PluginList      string
 }
 
 func RenderTiDBStartScript(model *TidbStartScriptModel) (string, error) {

pkg/manager/member/tidb_member_manager.go

@@ -337,11 +337,10 @@ func getTiDBConfigMap(tc *v1alpha1.TidbCluster) (*corev1.ConfigMap, error) {
 
 	plugins := tc.Spec.TiDB.Plugins
 	startScript, err := RenderTiDBStartScript(&TidbStartScriptModel{
-		ClusterName:            tc.Name,
-		EnableAdvertiseAddress: tc.Spec.TiDB.IsAdvertiseAddressEnabled(),
-		EnablePlugin:           len(plugins) > 0,
-		PluginDirectory:        "/plugins",
-		PluginList:             strings.Join(plugins, ","),
+		ClusterName:     tc.Name,
+		EnablePlugin:    len(plugins) > 0,
+		PluginDirectory: "/plugins",
+		PluginList:      strings.Join(plugins, ","),
 	})
 	if err != nil {
 		return nil, err
@@ -609,32 +608,26 @@ func getNewTiDBSetForTidbCluster(tc *v1alpha1.TidbCluster, cm *corev1.ConfigMap)
 			Name:  "SLOW_LOG_FILE",
 			Value: slowLogFileEnvVal,
 		},
-	}
-
-	if tc.Spec.TiDB.IsAdvertiseAddressEnabled() {
-		advertiseEnvs := []corev1.EnvVar{
-			{
-				Name: "POD_NAME",
-				ValueFrom: &corev1.EnvVarSource{
-					FieldRef: &corev1.ObjectFieldSelector{
-						FieldPath: "metadata.name",
-					},
+		{
+			Name: "POD_NAME",
+			ValueFrom: &corev1.EnvVarSource{
+				FieldRef: &corev1.ObjectFieldSelector{
+					FieldPath: "metadata.name",
 				},
 			},
-			{
-				Name: "NAMESPACE",
-				ValueFrom: &corev1.EnvVarSource{
-					FieldRef: &corev1.ObjectFieldSelector{
-						FieldPath: "metadata.namespace",
-					},
+		},
+		{
+			Name: "NAMESPACE",
+			ValueFrom: &corev1.EnvVarSource{
+				FieldRef: &corev1.ObjectFieldSelector{
+					FieldPath: "metadata.namespace",
 				},
 			},
-			{
-				Name:  "HEADLESS_SERVICE_NAME",
-				Value: headlessSvcName,
-			},
-		}
-		envs = append(envs, advertiseEnvs...)
+		},
+		{
+			Name:  "HEADLESS_SERVICE_NAME",
+			Value: headlessSvcName,
+		},
 	}
 
 	scheme := corev1.URISchemeHTTP