cloud/bmaas/bmdb: implement BMDB client metrics
This implements some basic BMDB metrics exported by any client code
using the BMDB.
It also enables their use in the Shepherd and BMSRV.
Change-Id: I1d5e82fd2c34a7bfd42f37fad540d69f7b23f347
Reviewed-on: https://review.monogon.dev/c/monogon/+/1600
Tested-by: Jenkins CI
Reviewed-by: Tim Windelschmidt <tim@monogon.tech>
diff --git a/cloud/bmaas/server/server.go b/cloud/bmaas/server/server.go
index 8867e4f..00972de 100644
--- a/cloud/bmaas/server/server.go
+++ b/cloud/bmaas/server/server.go
@@ -13,6 +13,7 @@
"k8s.io/klog/v2"
"source.monogon.dev/cloud/bmaas/bmdb"
+ "source.monogon.dev/cloud/bmaas/bmdb/metrics"
"source.monogon.dev/cloud/bmaas/bmdb/webug"
apb "source.monogon.dev/cloud/bmaas/server/api"
"source.monogon.dev/cloud/lib/component"
@@ -73,7 +74,7 @@
bo := backoff.NewExponentialBackOff()
err := backoff.Retry(func() error {
var err error
- session, err = s.bmdb.StartSession(ctx)
+ session, err = s.bmdb.StartSession(ctx, bmdb.SessionOption{Processor: metrics.ProcessorBMSRV})
if err != nil {
klog.Errorf("Failed to start session: %v", err)
return err
@@ -145,6 +146,8 @@
// Start the BMaaS Server in background goroutines. This should only be called
// once. The process will exit with debug logs if starting the server failed.
func (s *Server) Start(ctx context.Context) {
+ reg := s.Config.Component.PrometheusRegistry()
+ s.Config.BMDB.EnableMetrics(reg)
s.Config.Component.StartPrometheus(ctx)
conn, err := s.Config.BMDB.Open(true)