grafana dashboard for gitlab-ci-runner metrics
in the runners config.toml add a metrics_server key to the global section
the value can specify any [host]:<port> combination, like ":9999"
configure a scraping job in your prometheus instance like so:
- job_name: 'gitlab-ci-runner'
scrape_interval: 5s
static_configs:
- targets: ['1.2.3.1:9999', '1.2.3.2:9999']
labels:
alias: gitlab-ci-runner