18947: Merge branch 'main'

[arvados.git] / cmd / arvados-server / cmd.go

diff --git a/cmd/arvados-server/cmd.go b/cmd/arvados-server/cmd.go
index ae1e3fbeee2d1e2d4310bb3f221b1f14bf77b17b..3a1fcd4c64e29b981ddb0234f1bf3eae6a14da7b 100644 (file)
--- a/cmd/arvados-server/cmd.go
+++ b/cmd/arvados-server/cmd.go
@@ -5,6 +5,7 @@
 package main
 
 import (
+       "context"
        "encoding/json"
        "fmt"
        "io"
@@ -21,6 +22,8 @@ import (
        "git.arvados.org/arvados.git/lib/install"
        "git.arvados.org/arvados.git/lib/lsf"
        "git.arvados.org/arvados.git/lib/recovercollection"
+       "git.arvados.org/arvados.git/lib/service"
+       "git.arvados.org/arvados.git/sdk/go/arvados"
        "git.arvados.org/arvados.git/sdk/go/health"
        "git.arvados.org/arvados.git/services/githttpd"
        keepbalance "git.arvados.org/arvados.git/services/keep-balance"
@@ -28,6 +31,7 @@ import (
        "git.arvados.org/arvados.git/services/keepproxy"
        "git.arvados.org/arvados.git/services/keepstore"
        "git.arvados.org/arvados.git/services/ws"
+       "github.com/prometheus/client_golang/prometheus"
 )
 
 var (
@@ -47,6 +51,7 @@ var (
                "dispatch-cloud":     dispatchcloud.Command,
                "dispatch-lsf":       lsf.DispatchCommand,
                "git-httpd":          githttpd.Command,
+               "health":             healthCommand,
                "install":            install.Command,
                "init":               install.InitCommand,
                "keep-balance":       keepbalance.Command,
@@ -90,3 +95,17 @@ func (wb2command) RunCommand(prog string, args []string, stdin io.Reader, stdout
        }
        return 0
 }
+
+var healthCommand cmd.Handler = service.Command(arvados.ServiceNameHealth, func(ctx context.Context, cluster *arvados.Cluster, _ string, reg *prometheus.Registry) service.Handler {
+       mClockSkew := prometheus.NewGauge(prometheus.GaugeOpts{
+               Namespace: "arvados",
+               Subsystem: "health",
+               Name:      "clock_skew_seconds",
+               Help:      "Clock skew observed in most recent health check",
+       })
+       reg.MustRegister(mClockSkew)
+       return &health.Aggregator{
+               Cluster:         cluster,
+               MetricClockSkew: mClockSkew,
+       }
+})