generate postgres metrics in addition to mysql metrics

Author: evkuzin

:wq

@@ -0,0 +1,105 @@
+datadir = "/var/lib/proxysql"
+errorlog = "/var/lib/proxysql/proxysql.log"
+admin_variables=
+{
+    admin_credentials = "admin:wo0hQ4c9iUUNSf8kt1VZVOmSJMvde72XuZwPe4mSIDeyB7vl4MVSOUd2"
+    mysql_ifaces = "0.0.0.0:6032"
+    restapi_enabled = true
+    restapi_port = 6070
+}
+
+pgsql_variables=
+{
+    commands_stats = true
+    connect_retries_on_failure = 10
+    connect_timeout_server = 100000
+    connect_timeout_server_max = 1000000
+    default_query_delay = 0
+    default_query_timeout = "86400000"
+    default_schema = "information_schema"
+    eventslog_default_log = 1
+    eventslog_filename = "/var/lib/proxysql/queries.log"
+    eventslog_format = 2
+    have_compress = true
+    interfaces = "0.0.0.0:6133"
+    max_connections = 130000
+    monitor_connect_interval = 2000
+    monitor_history = 600000
+    monitor_password = "iYYjxj4687kBdAkl"
+    monitor_ping_interval = 2000
+    monitor_read_only_interval = 1000
+    monitor_read_only_timeout = 800
+    monitor_username = "pt_read"
+    ping_interval_server_msec = 10000
+    ping_timeout_server = 200
+    poll_timeout = 2000
+    query_cache_size_MB = 100000
+    server_version = "16.1"
+    sessions_sort = true
+    stacksize = "1048576"
+    threads = 8
+    threshold_resultset_size = "1000000000"
+    verbose_query_error = true
+}
+
+pgsql_servers=
+(
+    {
+      address = "rd1pgposttradearch05.hudson-trading.com"
+      comment = "rd1pgposttradearch05"
+      hostgroup_id = 1
+      max_connections = 100
+      max_replication_lag = 0
+      port = 5433
+      weight = 1
+    },
+    {
+      address = "rd1pgposttradearch06.hudson-trading.com"
+      comment = "rd1pgposttradearch06"
+      hostgroup_id = 1
+      max_connections = 100
+      max_replication_lag = 0
+      port = 5433
+      weight = 1
+    },
+    {
+      address = "shapgposttradearch01.hudson-trading.com"
+      comment = "shapgposttradearch01"
+      hostgroup_id = 1
+      max_connections = 100
+      max_replication_lag = 0
+      port = 5433
+      weight = 1
+    }
+)
+
+pgsql_users=
+(
+    {
+      active = 1
+      default_hostgroup = 1
+      max_connections = 130000
+      password = "iYYjxj4687kBdAkl"
+      username = "pt_read"
+    },
+    {
+      active = 1
+      default_hostgroup = 1
+      max_connections = 130000
+      password = "G5HdUmN5EV3sOuUMmFX1"
+      username = "readonly"
+    }
+)
+
+pgsql_query_rules=
+(
+    {
+      active = 1
+      apply = 0
+      cache_ttl = 36000000
+      destination_hostgroup = 1
+      match_pattern = "^(DECLARE|FETCH)"
+      negate_match_pattern = 1
+      rule_id = 101
+    }
+)

lib/ProxySQL_Admin.cpp

@@ -2512,6 +2512,10 @@ void update_modules_metrics() {
 	if (MyHGM) {
 		MyHGM->p_update_metrics();
 	}
+	// Update pgsql_hostgroups_manager metrics
+	if (PgHGM) {
+		PgHGM->p_update_metrics();
+	}
 	// Update monitor metrics
 	if (GloMyMon) {
 		GloMyMon->p_update_metrics();