chore(mysql-cluster): add max_connection_limit

Author: EamonZhang

addons/mysql-cluster/8.0/chart/mysql-cluster/templates/primary/statefulset.yaml

@@ -156,9 +156,9 @@ spec:
             - name: MYSQL_DATABASE
               value: {{ .Values.auth.database | quote }}
             {{- end }}
-            {{- if and .Values.auth.createDatabase .Values.auth.database }}
+            {{- if .Values.primary.maxConnectionLimit }}
             - name: MAX_CONNECTION_LIMIT
-              value: {{ .Values.maxConnectionLimit | quote }}
+              value: {{ .Values.primary.maxConnectionLimit | quote }}
             {{- end }}
             {{- if or (eq .Values.architecture "replication") (eq .Values.architecture "mgr") }}
             - name: MYSQL_REPLICATION_MODE
@@ -397,3 +397,4 @@ spec:
         selector: {{- include "common.tplvalues.render" (dict "value" .Values.primary.persistence.selector "context" $) | nindent 10 }}
         {{- end -}}
   {{- end }}
+

addons/mysql-cluster/8.0/chart/mysql-cluster/values.yaml

@@ -182,7 +182,7 @@ initdbScripts:
 
     echo plugin_load_add='group_replication.so' >> $base_conf_file
       
-    echo max_connections=$MAX_CONNECTION_LIMIT
+    echo max_connections=$MAX_CONNECTION_LIMIT >> $base_conf_file
 
 ## @param initdbScriptsConfigMap ConfigMap with the initdb scripts (Note: Overrides `initdbScripts`)
 ##