update mods, switch to slog

.github/workflows/go.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go 1.21
+    - name: Set up Go 1.23
       uses: actions/setup-go@v1
       with:
-        go-version: 1.21
+        go-version: 1.23
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/golangci-lint.yml

@@ -20,15 +20,15 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.21'
+          go-version: '1.23'
           cache: false
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
           # Require: The version of golangci-lint to use.
           # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.
           # When `install-mode` is `goinstall` the value can be v1.2.3, `latest`, or the hash of a commit.
-          version: v1.54
+          version: v1.60.1
 
           # Optional: working directory, useful for monorepos
           # working-directory: somedir

cmd/kubelet-summary-exporter/main.go

@@ -8,6 +8,7 @@ package main
 
 import (
 	"context"
+	"log/slog"
 	"net"
 	"net/http"
 	"os"
@@ -20,9 +21,6 @@ import (
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/salesforce/kubelet-summary-exporter/pkg/scraper"
 	"github.com/salesforce/kubelet-summary-exporter/pkg/utils"
-
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 )
 
 type CLI struct {
@@ -40,48 +38,44 @@ func main() {
 	_ = kong.Parse(cli)
 	ctx := context.Background()
 
-	zapConfig := zap.NewProductionConfig()
-	zapConfig.EncoderConfig.TimeKey = zapcore.OmitKey
-	zapConfig.EncoderConfig.MessageKey = "message"
+	logger := slog.Default().With(slog.String("app", "kubelet-stats-exporter"))
 
-	logger, err := zapConfig.Build()
-	if err != nil {
-		panic(err)
-	}
-	logger = logger.With(zap.String("app", "kubelet-stats-exporter"))
-
-	if err := utils.ConfigureTLS(logger, cli.CA, cli.Insecure, cli.NodeHost); err != nil {
-		logger.Fatal("unable to configure tls", zap.Error(err))
+	if err := utils.ConfigureTLS(cli.CA, cli.Insecure, cli.NodeHost); err != nil {
+		logger.Error("unable to configure tls", slog.Any("error", err))
+		os.Exit(1)
 	}
 
 	if _, err := os.Stat(cli.TokenPath); os.IsNotExist(err) {
-		logger.Error("token not found", zap.String("file", cli.TokenPath), zap.Error(err))
+		logger.Error("token not found", slog.String("file", cli.TokenPath), slog.Any("error", err))
 	}
 	serverAddr := cli.NodeHost
 	if cli.LookUpHostname {
 		//Handle downward API using a node name that isn't identical to the node's Hostname
 		name, err := utils.ServerAddrFromCluster(cli.NodeHost)
 		if err != nil {
-			logger.Fatal("failed to retrieve in node hostname", zap.Error(err))
+			logger.Error("failed to retrieve in node hostname", slog.Any("error", err))
+			os.Exit(1)
 		} else {
 			serverAddr = name
-			logger.Info("using updated serverAddr for certificate validation", zap.String("hostname", serverAddr), zap.String("original", cli.NodeHost))
+			logger.Info("using updated serverAddr for certificate validation", slog.String("hostname", serverAddr), slog.String("original", cli.NodeHost))
 		}
 	}
 	scraper := scraper.NewScraper(logger, serverAddr, cli.TokenPath, cli.Timeout)
 
 	promRegistry := prometheus.NewRegistry()
-	err = promRegistry.Register(scraper)
+	err := promRegistry.Register(scraper)
 	if err != nil {
-		logger.Fatal("failed to register storage metric")
+		logger.Error("failed to register storage metric")
+		os.Exit(1)
 	}
 
 	promLis, err := net.Listen("tcp", cli.PromListen)
 	if err != nil {
-		logger.Fatal("failed to open prometheus listener",
-			zap.String("prometheus-listen", cli.PromListen),
-			zap.Error(err),
+		logger.Error("failed to open prometheus listener",
+			slog.String("prometheus-listen", cli.PromListen),
+			slog.Any("error", err),
 		)
+		os.Exit(1)
 	}
 
 	promMux := http.NewServeMux()
@@ -105,11 +99,11 @@ func main() {
 	if err := g.Run(); err != nil {
 		if serr, ok := err.(run.SignalError); ok {
 			logger.Info("caught signal",
-				zap.String("signal", serr.Signal.String()),
+				slog.String("signal", serr.Signal.String()),
 			)
 		} else {
 			logger.Error("actor failed",
-				zap.Error(err),
+				slog.Any("error", err),
 			)
 
 			os.Exit(1)

go.mod

@@ -1,58 +1,57 @@
 module github.com/salesforce/kubelet-summary-exporter
 
-go 1.21
+go 1.23.0
 
 require (
-	github.com/alecthomas/kong v0.7.1
-	github.com/google/go-cmp v0.5.9
+	github.com/alecthomas/kong v0.9.0
+	github.com/google/go-cmp v0.6.0
 	github.com/oklog/run v1.1.0
-	github.com/prometheus/client_golang v1.14.0
-	go.uber.org/zap v1.24.0
-	k8s.io/api v0.26.2
-	k8s.io/apimachinery v0.26.2
-	k8s.io/client-go v0.26.2
+	github.com/prometheus/client_golang v1.20.1
+	k8s.io/api v0.31.0
+	k8s.io/apimachinery v0.31.0
+	k8s.io/client-go v0.31.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.10.1 // indirect
-	github.com/go-logr/logr v1.2.3 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.12.1 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/gnostic v0.6.9 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.41.0 // indirect
-	github.com/prometheus/procfs v0.9.0 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/net v0.23.0 // indirect
-	golang.org/x/oauth2 v0.6.0 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/term v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/oauth2 v0.22.0 // indirect
+	golang.org/x/sys v0.24.0 // indirect
+	golang.org/x/term v0.23.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+	golang.org/x/time v0.6.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/klog/v2 v2.90.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20230303024457-afdc3dddf62d // indirect
-	k8s.io/utils v0.0.0-20230220204549-a5ecb0141aa5 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20240816214639-573285566f34 // indirect
+	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )