Merge pull request #64 from tobert/add-opentelemetry

add opentelemetry

cmd/hegel/main.go

@@ -10,6 +10,7 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/equinix-labs/otel-init-go/otelinit"
 	"github.com/packethost/pkg/env"
 	"github.com/packethost/pkg/log"
 	grpcserver "github.com/tinkerbell/hegel/grpc-server"
@@ -34,6 +35,10 @@ func main() {
 	defer l.Close()
 	metrics.Init(l)
 
+	ctx := context.Background()
+	ctx, otelShutdown := otelinit.InitOpenTelemetry(ctx, "hegel")
+	defer otelShutdown(ctx)
+
 	metrics.State.Set(metrics.Initializing)
 
 	hegelServer, err := grpcserver.NewServer(l, nil)

go.mod

@@ -3,7 +3,8 @@ module github.com/tinkerbell/hegel
 go 1.13
 
 require (
-	github.com/golang/protobuf v1.4.2
+	github.com/equinix-labs/otel-init-go v0.0.1
+	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.2.0
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/itchyny/gojq v0.11.0
@@ -13,6 +14,10 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.6.0
 	github.com/tinkerbell/tink v0.0.0-20201207184750-9c52cca562bc
-	google.golang.org/grpc v1.32.0
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.22.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.22.0
+	go.opentelemetry.io/otel v1.0.0-RC2
+	go.opentelemetry.io/otel/trace v1.0.0-RC2
+	google.golang.org/grpc v1.39.0
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
 )