Merge branch 'master' into 13937-keepstore-prometheus
[arvados.git] / services / keepstore / handlers.go
index 2a1bbc972ffa6e4fe0675291b0c923efc4d4ac8d..51dd73a513c1d4c729a6743aaabe0cefa1202c4b 100644 (file)
@@ -24,6 +24,7 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/health"
        "git.curoverse.com/arvados.git/sdk/go/httpserver"
        "github.com/gorilla/mux"
+       "github.com/prometheus/client_golang/prometheus"
 )
 
 type router struct {
@@ -31,14 +32,16 @@ type router struct {
        limiter     httpserver.RequestCounter
        cluster     *arvados.Cluster
        remoteProxy remoteProxy
+       metrics     *nodeMetrics
 }
 
 // MakeRESTRouter returns a new router that forwards all Keep requests
 // to the appropriate handlers.
-func MakeRESTRouter(cluster *arvados.Cluster) http.Handler {
+func MakeRESTRouter(cluster *arvados.Cluster, reg *prometheus.Registry) http.Handler {
        rtr := &router{
                Router:  mux.NewRouter(),
                cluster: cluster,
+               metrics: &nodeMetrics{reg: reg},
        }
 
        rtr.HandleFunc(
@@ -85,8 +88,12 @@ func MakeRESTRouter(cluster *arvados.Cluster) http.Handler {
        rtr.NotFoundHandler = http.HandlerFunc(BadRequestHandler)
 
        rtr.limiter = httpserver.NewRequestLimiter(theConfig.MaxRequests, rtr)
+       rtr.metrics.setupBufferPoolMetrics(bufs)
+       rtr.metrics.setupWorkQueueMetrics(pullq, "pull")
+       rtr.metrics.setupWorkQueueMetrics(trashq, "trash")
+       rtr.metrics.setupRequestMetrics(rtr.limiter)
 
-       instrumented := httpserver.Instrument(nil, nil,
+       instrumented := httpserver.Instrument(rtr.metrics.reg, nil,
                httpserver.AddRequestIDs(httpserver.LogRequests(nil, rtr.limiter)))
        return instrumented.ServeAPI(theConfig.ManagementToken, instrumented)
 }