return mux, nil } } // This adds collection of net/http-related metrics func MetricsCollectionOption(handlerName string) ServeOption { return func(_ *core.IpfsNode, _ net.Listener, mux *http.ServeMux) (*http.ServeMux, error) { childMux := http.NewServeMux() mux.HandleFunc("/", prometheus.InstrumentHandler(handlerName, childMux)) return childMux, nil } } var ( peersTotalMetric = prometheus.NewDesc( prometheus.BuildFQName("ipfs", "p2p", "peers_total"), "Number of connected peers", nil, nil) ) type IpfsNodeCollector struct { Node *core.IpfsNode } func (_ IpfsNodeCollector) Describe(ch chan<- *prometheus.Desc) { ch <- peersTotalMetric } func (c IpfsNodeCollector) Collect(ch chan<- prometheus.Metric) { ch <- prometheus.MustNewConstMetric( peersTotalMetric, prometheus.GaugeValue,
return mux, nil } } // This adds collection of net/http-related metrics func MetricsCollectionOption(handlerName string) ServeOption { return func(_ *core.IpfsNode, _ net.Listener, mux *http.ServeMux) (*http.ServeMux, error) { childMux := http.NewServeMux() mux.HandleFunc("/", prometheus.InstrumentHandler(handlerName, childMux)) return childMux, nil } } var ( peersTotalMetric = prometheus.NewDesc( prometheus.BuildFQName("ipfs", "p2p", "peers_total"), "Number of connected peers", []string{"transport"}, nil) ) type IpfsNodeCollector struct { Node *core.IpfsNode } func (_ IpfsNodeCollector) Describe(ch chan<- *prometheus.Desc) { ch <- peersTotalMetric } func (c IpfsNodeCollector) Collect(ch chan<- prometheus.Metric) { for tr, val := range c.PeersTotalValues() { ch <- prometheus.MustNewConstMetric( peersTotalMetric,