package api import ( "github.com/TrueCloudLab/frostfs-s3-gw/internal/version" "github.com/prometheus/client_golang/prometheus" ) type stats struct { desc *prometheus.Desc } var ( versionInfo = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Namespace: "frostfs_s3", Name: "version_info", Help: "Version of current FrostFS S3 Gate instance", }, []string{ // current version "version", }, ) statsMetrics = &stats{ desc: prometheus.NewDesc("frostfs_s3_stats", "Statistics exposed by FrostFS S3 Gate instance", nil, nil), } ) func init() { prometheus.MustRegister(versionInfo) prometheus.MustRegister(statsMetrics) prometheus.MustRegister(httpRequestsDuration) } func collectNetworkMetrics(ch chan<- prometheus.Metric) { // Network Sent/Received Bytes (Outbound) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName("frostfs_s3", "tx", "bytes_total"), "Total number of bytes sent by current FrostFS S3 Gate instance", nil, nil), prometheus.CounterValue, float64(httpStatsMetric.getInputBytes()), ) ch <- prometheus.MustNewConstMetric( prometheus.NewDesc( prometheus.BuildFQName("frostfs_s3", "rx", "bytes_total"), "Total number of bytes received by current FrostFS S3 Gate instance", nil, nil), prometheus.CounterValue, float64(httpStatsMetric.getOutputBytes()), ) } func (s *stats) Describe(ch chan<- *prometheus.Desc) { ch <- s.desc } func (s *stats) Collect(ch chan<- prometheus.Metric) { // Expose current version information versionInfo.WithLabelValues(version.Version).Set(1.0) // connect collectors collectHTTPMetrics(ch) collectNetworkMetrics(ch) }