metrics: Add go_* metrics and go_build_info metrics

Prometheus provides metrics collectors that expose go runtime and go build information, which can be useful to server administrators, lets expose them. Signed-off-by: Chance Zibolski <chance.zibolski@gmail.com>
cilium · Mar 17, 2022 · 6c5e2d6 · 6c5e2d6
1 parent 2f08d4d
commit 6c5e2d6
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Showing 9 changed files with 377 additions and 3 deletions.
diff --git a/pkg/metrics/metrics.go b/pkg/metrics/metrics.go
@@ -14,6 +14,7 @@ import (
 	"net/http"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/collectors"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	dto "github.com/prometheus/client_model/go"
 	"github.com/sirupsen/logrus"
@@ -1414,9 +1415,8 @@ func NewBPFMapPressureGauge(mapname string, threshold float64) *GaugeWithThresho
 }
 
 func init() {
-	MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{Namespace: Namespace}))
-	// TODO: Figure out how to put this into a Namespace
-	// MustRegister(prometheus.NewGoCollector())
+	MustRegister(collectors.NewProcessCollector(collectors.ProcessCollectorOpts{Namespace: Namespace}))
+	MustRegister(collectors.NewGoCollector())
 	MustRegister(newStatusCollector())
 	MustRegister(newbpfCollector())
 }

diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/collectors.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/collectors.go
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector.go
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector_go115.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector_go115.go
diff --git a/.../github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector_pre_go115.go b/.../github.com/prometheus/client_golang/prometheus/collectors/dbstats_collector_pre_go115.go
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/expvar_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/expvar_collector.go
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector.go
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/process_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/process_collector.go