feat: add metrics

cmd/spiracle/proxy.go

@@ -13,11 +13,17 @@ import (
 	"github.com/LilithGames/spiracle/services/roomproxy"
 	"github.com/LilithGames/spiracle/repos"
 	"github.com/LilithGames/spiracle/config"
+	"github.com/LilithGames/spiracle/infra/telemetry"
 )
 
 func spiracle(ctx context.Context, conf *config.Config, wg *sync.WaitGroup, mgr manager.Manager) {
 	defer wg.Done()
+	telemetry.InitMeter(ctx)
+	if conf.RoomProxy.MetricsAddr != "" {
+		go telemetry.RunMetricServer(ctx, conf.RoomProxy.MetricsAddr)
+	}
 	s := &proxy.Statd{}
+	s.Init()
 	var th proxy.TickHandler
 	if conf.RoomProxy.Debug {
 		th = proxy.StdoutTickHandler

config/config.go

@@ -19,6 +19,7 @@ type Config struct {
 			Expire          int `default:"30"`
 		}
 		Servers []Server
+		MetricsAddr string `default:":2222"`
 	}
 	Controller struct {
 		Reconciler struct {

deploy/config.yaml

@@ -17,4 +17,3 @@ controller:
   leaderelection:
     enable: true
     id: eed665e4.projectdavinci.com
-

deploy/spiracle.yaml

@@ -64,19 +64,25 @@ spec:
           configMap:
             name: spiracle-config
 
-# ---
-# apiVersion: v1
-# kind: Service
-# metadata:
-  # name: spiracle-metrics-service
-  # namespace: default
-# spec:
-  # selector:
-    # app: spiracle
-  # ports:
-    # - name: https
-      # port: 8443
-      # targetPort: https
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: spiracle-metric
+  namespace: default
+spec:
+  selector:
+    app: spiracle
+  type: LoadBalancer
+  ports:
+    - name: spiracle
+      port: 2222
+      targetPort: 2222
+      protocol: TCP
+    - name: controller
+      port: 8080
+      targetPort: 8080
+      protocol: TCP
 
 ---
 apiVersion: v1

go.mod

@@ -5,10 +5,16 @@ go 1.17
 require (
 	github.com/buraksezer/olric v0.4.0-beta.2.0.20210502130407-be0cf149f919
 	github.com/buraksezer/olric-cloud-plugin v0.3.0-beta.4.0.20201003183038-f78c20f7619d
-	github.com/go-logr/logr v0.3.0
+	github.com/go-logr/logr v1.2.1
 	github.com/jinzhu/configor v1.2.1
 	github.com/libp2p/go-reuseport v0.0.2
+	github.com/nursik/go-expire-map v1.1.0
 	github.com/stretchr/testify v1.7.0
+	go.opentelemetry.io/otel/exporters/prometheus v0.25.0
+	go.opentelemetry.io/otel/metric v0.25.0
+	go.opentelemetry.io/otel/sdk v1.2.0
+	go.opentelemetry.io/otel/sdk/export/metric v0.25.0
+	go.opentelemetry.io/otel/sdk/metric v0.25.0
 	golang.org/x/net v0.0.0-20210510120150-4163338589ed
 	k8s.io/apimachinery v0.20.2
 	k8s.io/client-go v0.20.2
@@ -49,7 +55,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/google/btree v1.0.0 // indirect
-	github.com/google/go-cmp v0.5.2 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/go-querystring v1.0.0 // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/google/uuid v1.1.2 // indirect
@@ -72,7 +78,7 @@ require (
 	github.com/imdario/mergo v0.3.10 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/joyent/triton-go v1.8.5 // indirect
-	github.com/json-iterator/go v1.1.10 // indirect
+	github.com/json-iterator/go v1.1.11 // indirect
 	github.com/linode/linodego v0.21.1 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/miekg/dns v1.1.31 // indirect
@@ -81,15 +87,14 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/nicolai86/scaleway-sdk v1.10.2-0.20180628010248-798f60e20bb2 // indirect
-	github.com/nursik/go-expire-map v1.1.0 // indirect
 	github.com/nursik/go-ordered-set v0.0.0-20190626022851-0e8872c36517 // indirect
 	github.com/packethost/packngo v0.3.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.7.1 // indirect
+	github.com/prometheus/client_golang v1.11.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.10.0 // indirect
-	github.com/prometheus/procfs v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
 	github.com/sirupsen/logrus v1.7.0 // indirect
 	github.com/softlayer/softlayer-go v1.0.1 // indirect
@@ -99,21 +104,24 @@ require (
 	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
 	github.com/vmware/govmomi v0.23.1 // indirect
 	go.opencensus.io v0.22.4 // indirect
+	go.opentelemetry.io/otel v1.2.0 // indirect
+	go.opentelemetry.io/otel/internal/metric v0.25.0 // indirect
+	go.opentelemetry.io/otel/trace v1.2.0 // indirect
 	go.uber.org/atomic v1.6.0 // indirect
 	go.uber.org/multierr v1.5.0 // indirect
 	go.uber.org/zap v1.15.0 // indirect
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0 // indirect
 	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43 // indirect
-	golang.org/x/sync v0.0.0-20200930132711-30421366ff76 // indirect
-	golang.org/x/sys v0.0.0-20210423082822-04245dca01da // indirect
+	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a // indirect
+	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
 	golang.org/x/text v0.3.6 // indirect
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e // indirect
 	gomodules.xyz/jsonpatch/v2 v2.1.0 // indirect
 	google.golang.org/api v0.32.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a // indirect
 	google.golang.org/grpc v1.32.0 // indirect
-	google.golang.org/protobuf v1.25.0 // indirect
+	google.golang.org/protobuf v1.26.0-rc.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.3.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
@@ -126,3 +134,5 @@ require (
 	sigs.k8s.io/structured-merge-diff/v4 v4.0.2 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )
+
+replace github.com/go-logr/logr => github.com/go-logr/logr v0.3.0