Add Tracing

cmd/wksctl/main.go

@@ -1,11 +1,14 @@
 package main
 
 import (
+	"context"
 	"os"
 
+	ot "github.com/opentracing/opentracing-go"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/weaveworks/go-checkpoint"
+	"sigs.k8s.io/controller-runtime/pkg/tracing"
 
 	"github.com/weaveworks/wksctl/cmd/wksctl/addon"
 	"github.com/weaveworks/wksctl/cmd/wksctl/apply"
@@ -42,6 +45,16 @@ func configureLogger(cmd *cobra.Command, args []string) {
 }
 
 func main() {
+	tracingCloser, err := tracing.SetupJaeger("wksctl")
+	if err != nil {
+		log.Fatalf("failed to set up Jaeger: %v", err)
+	}
+	defer tracingCloser.Close()
+
+	sp := ot.StartSpan("wksctl")
+	defer sp.Finish()
+	ctx := ot.ContextWithSpan(context.Background(), sp)
+
 	rootCmd.PersistentFlags().BoolVarP(&options.verbose, "verbose", "v", false, "Enable verbose output")
 
 	rootCmd.AddCommand(addon.Cmd)
@@ -65,7 +78,8 @@ func main() {
 			checkResponse.CurrentVersion, checkResponse.CurrentDownloadURL)
 	}
 
-	if err := rootCmd.Execute(); err != nil {
+	if err := rootCmd.ExecuteContext(ctx); err != nil {
+		sp.Finish()
 		os.Exit(1)
 	}
 

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/google/go-jsonnet v0.16.0
 	github.com/googleapis/gnostic v0.4.1 // indirect
-	github.com/hashicorp/go-cleanhttp v0.5.1 // indirect
+	github.com/opentracing/opentracing-go v1.2.0
 	github.com/pelletier/go-toml v1.8.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.5.1 // indirect
@@ -22,15 +22,14 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.6.1
 	github.com/thanhpk/randstr v1.0.4
-	github.com/weaveworks/cluster-api-provider-existinginfra v0.0.4-0.20201019151825-abde7d1650ca
+	github.com/weaveworks/cluster-api-provider-existinginfra v0.0.4-0.20201022134757-9265a295f8a1
 	github.com/weaveworks/footloose v0.0.0-20200609124411-8f3df89ea188
 	github.com/weaveworks/go-checkpoint v0.0.0-20170503165305-ebbb8b0518ab
 	github.com/weaveworks/launcher v0.0.0-20180824102238-59a4fcc32c9c
 	github.com/weaveworks/libgitops v0.0.2
 	github.com/whilp/git-urls v0.0.0-20191001220047-6db9661140c0
 	golang.org/x/crypto v0.0.0-20200707235045-ab33eee955e0
 	golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae // indirect
-	golang.org/x/tools v0.0.0-20200708003708-134513de8882 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.1.0 // indirect
 	google.golang.org/appengine v1.6.5 // indirect
 	gopkg.in/src-d/go-git.v4 v4.13.1
@@ -42,7 +41,7 @@ require (
 	k8s.io/utils v0.0.0-20200619165400-6e3d28b6ed19
 	sigs.k8s.io/cluster-api v0.3.6
 	sigs.k8s.io/controller-runtime v0.6.0
-	sigs.k8s.io/kustomize/kyaml v0.6.0 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.6.0
 	sigs.k8s.io/yaml v1.2.0
 )
 
@@ -75,4 +74,5 @@ replace (
 	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.18.5
 	k8s.io/sample-cli-plugin => k8s.io/sample-cli-plugin v0.18.5
 	k8s.io/sample-controller => k8s.io/sample-controller v0.18.5
+	sigs.k8s.io/controller-runtime => github.com/bboreham/controller-runtime v0.6.4-0.20201021142033-b7613e6bd7ff
 )