GitLab

* - added protocol & port label to metrics
- removed some redundant code

* added example dashboard

* added dashboard screenshot

* updated dashboard json & screenshot

* ammend bad dashboard export

* first new metric

* .

* more metrics: controller_publish_metrics_time & controller_iptables_sync_time

* namespace redeclared

* fix typo in name

* smal fixes

* new metric controller_bgp_peers & controller_bgp_internal_peers_sync_time

* typo fix

* new metric controller_ipvs_service_sync_time

* fix

* register metric

* fix

* fix

* added more metrics

* service controller log levels

* fix

* fix

* added metrics controller

* fixes

* fix

* fix

* fixed more log levels

* server and graceful shutdown

* fix

* fix

* fix

* code cleanup

* docs

* move metrics exporting to controller

* fix

* fix

* fixes

* fix

* fix missing

* fix

* fix

* test

* test

* fix

* fix

* fi...