add opcache

defaults/main.yml

@@ -15,6 +15,8 @@ prometheus_mongodb_exporter_port: 27017
 prometheus_phpfpm_sockets_directory: "/run/php/"
 prometheus_phpfpm_sockets_directory_additional: "/var/run/php*.sock"
 
+prometheus_php-opcache_exporter_fcgi-uri: "unix:///var/run/php-000-default.sock"
+
 prometheus_postgres_exporter_systemd_user: "postgres"
 prometheus_postgres_exporter_host: "/var/run/postgresql/"
 prometheus_postgres_exporter_sslmode: "disable"