feat: Support for headless service

Author: teoincontatto

stackgres-k8s/src/common/src/main/java/io/stackgres/common/crd/postgres/service/StackGresPostgresServiceType.java

@@ -11,7 +11,8 @@ public enum StackGresPostgresServiceType {
 
   CLUSTER_IP("ClusterIP"),
   LOAD_BALANCER("LoadBalancer"),
-  NODE_PORT("NodePort");
+  NODE_PORT("NodePort"),
+  NONE("None");
 
   private final @NotNull String type;
 

stackgres-k8s/src/test-util/src/main/resources/stackgres/pooling_config/from_version1.json

@@ -31,7 +31,6 @@
         "auth_user": "authenticator",
         "default_pool_size": "1000",
         "ignore_startup_parameters": "extra_float_digits",
-        "listen_addr": "127.0.0.1",
         "max_client_conn": "1000",
         "max_db_connections": "0",
         "max_user_connections": "0",

stackgres-k8s/src/test-util/src/main/resources/stackgres/pooling_config/to_version1.json

@@ -31,7 +31,6 @@
         "auth_user": "authenticator",
         "default_pool_size": "1000",
         "ignore_startup_parameters": "extra_float_digits",
-        "listen_addr": "127.0.0.1",
         "max_client_conn": "1000",
         "max_db_connections": "0",
         "max_user_connections": "0",

stackgres-k8s/src/test-util/src/main/resources/stackgres/pooling_config/to_version1beta1.json

@@ -30,7 +30,6 @@
         "application_name_add_host",
         "max_user_connections",
         "auth_user",
-        "listen_addr",
         "admin_users",
         "server_check_query"
       ]

stackgres-k8s/src/test-util/src/main/resources/stackgres/postgres_config/to_version1.json

@@ -55,7 +55,6 @@
       "track_activity_query_size": "4096",
       "lc_messages": "C",
       "log_directory": "log",
-      "listen_addresses": "localhost",
       "log_destination": "stderr",
       "log_statement": "none",
       "shared_preload_libraries": "pg_stat_statements, auto_explain",

stackgres-k8s/src/test-util/src/main/resources/stackgres/postgres_config/to_version1beta1.json

@@ -55,7 +55,6 @@
       "track_activity_query_size",
       "lc_messages",
       "log_directory",
-      "listen_addresses",
       "log_destination",
       "log_statement",
       "shared_preload_libraries",