Merge pull request #471 from stefanprodan/dependabot/github_actions/actions-cb5fd4910d

build(deps): bump docker/login-action from 4.0.0 to 4.1.0 in the actions group

.github/workflows/cve-scan.yml

@@ -16,10 +16,10 @@ jobs:
   govulncheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: ./.github/actions/runner-cleanup
       - name: Vulnerability scan
         id: govulncheck
-        uses: golang/govulncheck-action@v1
+        uses: golang/govulncheck-action@b625fbe08f3bccbe446d94fbf87fcc875a4f50ee # v1.0.4
         with:
           repo-checkout: false

.github/workflows/e2e.yml

@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Disk Cleanup
         uses: ./.github/actions/runner-cleanup
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.14.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         with:
           cluster_name: kind
       - name: Build container image
@@ -26,7 +26,7 @@ jobs:
           ./test/build.sh
           kind load docker-image test/podinfo:latest
       - name: Setup Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
           version: v4.1.0
       - name: Deploy
@@ -49,12 +49,12 @@ jobs:
       PODINFO_MODULE_URL: "oci://localhost:5000/podinfo"
       PODINFO_VERSION: "0.0.0-devel"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: ./.github/actions/runner-cleanup
       - name: Setup Timoni
-        uses: stefanprodan/timoni/actions/setup@main
+        uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.14.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         with:
           cluster_name: kind
       - name: Build container

.github/workflows/release.yml

@@ -15,14 +15,15 @@ jobs:
       contents: write # needed to write releases
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
+      attestations: write # needed for provenance
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: ./.github/actions/runner-cleanup
-      - uses: sigstore/cosign-installer@v4.0.0
+      - uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
-      - uses: fluxcd/flux2/action@v2.8.1
+      - uses: fluxcd/flux2/action@871be9b40d53627786d3a3835a3ddba1e3234bd2 # v2.8.3
-      - uses: stefanprodan/timoni/actions/setup@v0.26.0
+      - uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
       - name: Setup Notation CLI
-        uses: notaryproject/notation-action/setup@v1
+        uses: notaryproject/notation-action/setup@b6fee73110795d6793253c673bd723f12bcf9bbb # v1.2.2
         with:
           version: "1.1.0"
       - name: Setup Notation signing keys
@@ -34,28 +35,28 @@ jobs:
         env:
           NOTATION_KEY: ${{ secrets.NOTATION_SIGNING_KEY }}
       - name: Setup Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: 1.26.x
       - name: Setup Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
           version: v4.1.1
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v4
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
         with:
           platforms: all
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v4
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Login to Docker Hub
-        uses: docker/login-action@v4
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
@@ -71,7 +72,7 @@ jobs:
           echo "REVISION=${GITHUB_SHA}" >> $GITHUB_OUTPUT
       - name: Generate images meta
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: |
             docker.io/stefanprodan/podinfo
@@ -80,7 +81,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
             type=raw,value=latest
       - name: Publish multi-arch image
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           sbom: true
           provenance: true
@@ -123,7 +124,7 @@ jobs:
           cosign sign ghcr.io/stefanprodan/charts/podinfo:${{ steps.prep.outputs.VERSION }} --yes
           cosign sign ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }} --yes
       - name: Publish base image
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           push: true
           builder: ${{ steps.buildx.outputs.name }}
@@ -132,7 +133,7 @@ jobs:
           file: ./Dockerfile.base
           tags: docker.io/stefanprodan/podinfo-base:latest
       - name: Publish helm chart
-        uses: stefanprodan/helm-gh-pages@master
+        uses: stefanprodan/helm-gh-pages@0ad2bb377311d61ac04ad9eb6f252fb68e207260 # v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Publish config artifact
@@ -158,9 +159,13 @@ jobs:
           notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }}
           notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:latest
       - name: Publish release
-        uses: goreleaser/goreleaser-action@v7
+        uses: goreleaser/goreleaser-action@ec59f474b9834571250b370d4735c50f8e2d1e29 # v7.0.0
         with:
           version: latest
           args: release --skip=validate
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Attest release
+        uses: actions/attest@59d89421af93a897026c735860bf21b6eb4f7b26 # v4.1.0
+        with:
+          subject-checksums: ./dist/podinfo_${{ steps.prep.outputs.VERSION }}_checksums.txt

.github/workflows/test.yml

@@ -17,29 +17,29 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: ./.github/actions/runner-cleanup
       - name: Setup Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: 1.26.x
           cache-dependency-path: |
             **/go.sum
             **/go.mod
       - name: Setup kubectl
-        uses: azure/setup-kubectl@v4
+        uses: azure/setup-kubectl@15650b3ad78fff148532a140b8a4c821796b2d7b # v5.0.0
         with:
           version: v${{ env.KUBERNETES_VERSION }}
       - name: Setup kubeconform
         uses: ./.github/actions/kubeconform
       - name: Setup Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
           version: v${{ env.HELM_VERSION }}
       - name: Setup CUE
-        uses: cue-lang/setup-cue@v1.0.1
+        uses: cue-lang/setup-cue@a93fa358375740cd8b0078f76355512b9208acb1 # v1.0.1
       - name: Setup Timoni
-        uses: stefanprodan/timoni/actions/setup@v0.26.0
+        uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
       - name: Run unit tests
         run: make test
       - name: Validate Helm chart

charts/podinfo/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
-version: 6.11.1
+version: 6.11.2
-appVersion: 6.11.1
+appVersion: 6.11.2
 name: podinfo
 engine: gotpl
 description: Podinfo Helm chart for Kubernetes

charts/podinfo/values-prod.yaml

@@ -8,7 +8,7 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.11.1
+  tag: 6.11.2
   pullPolicy: IfNotPresent
 
 ui:

charts/podinfo/values.yaml

@@ -8,7 +8,7 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.11.1
+  tag: 6.11.2
   pullPolicy: IfNotPresent
   pullSecrets: []
 

cmd/podinfo/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -10,6 +11,11 @@ import (
 
 	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
+	"go.opentelemetry.io/contrib/bridges/otelzap"
+	"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc"
+	sdklog "go.opentelemetry.io/otel/sdk/log"
+	"go.opentelemetry.io/otel/sdk/resource"
+	semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 
@@ -53,7 +59,7 @@ func main() {
 	fs.Int("stress-cpu", 0, "number of CPU cores with 100 load")
 	fs.Int("stress-memory", 0, "MB of data to load into memory")
 	fs.String("cache-server", "", "Redis address in the format 'tcp://<host>:<port>'")
-	fs.String("otel-service-name", "", "service name for reporting to open telemetry address, when not set tracing is disabled")
+	fs.String("otel-service-name", "", "service name for OpenTelemetry, when not set tracing and log export are disabled")
 
 	versionFlag := fs.BoolP("version", "v", false, "get version number")
 
@@ -93,8 +99,18 @@ func main() {
 		}
 	}
 
+	// initialize OTel log provider if service name is set
+	var loggerProvider *sdklog.LoggerProvider
+	if otelServiceName := viper.GetString("otel-service-name"); otelServiceName != "" {
+		var err error
+		loggerProvider, err = initLoggerProvider(context.Background(), otelServiceName)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error initializing OTel log provider: %s\n", err.Error())
+		}
+	}
+
 	// configure logging
-	logger, _ := initZap(viper.GetString("level"))
+	logger, _ := initZap(viper.GetString("level"), loggerProvider)
 	defer logger.Sync()
 	stdLog := zap.RedirectStdLog(logger)
 	defer stdLog()
@@ -163,10 +179,29 @@ func main() {
 	// graceful shutdown
 	stopCh := signals.SetupSignalHandler()
 	sd, _ := signals.NewShutdown(srvCfg.ServerShutdownTimeout, logger)
+	sd.SetLoggerProvider(loggerProvider)
 	sd.Graceful(stopCh, httpServer, httpsServer, grpcServer, healthy, ready)
 }
 
-func initZap(logLevel string) (*zap.Logger, error) {
+func initLoggerProvider(ctx context.Context, serviceName string) (*sdklog.LoggerProvider, error) {
+	exporter, err := otlploggrpc.New(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("creating OTLP log exporter: %w", err)
+	}
+
+	provider := sdklog.NewLoggerProvider(
+		sdklog.WithProcessor(sdklog.NewBatchProcessor(exporter)),
+		sdklog.WithResource(resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceNameKey.String(serviceName),
+			semconv.ServiceVersionKey.String(version.VERSION),
+		)),
+	)
+
+	return provider, nil
+}
+
+func initZap(logLevel string, loggerProvider *sdklog.LoggerProvider) (*zap.Logger, error) {
 	level := zap.NewAtomicLevelAt(zapcore.InfoLevel)
 	switch logLevel {
 	case "debug":
@@ -210,7 +245,21 @@ func initZap(logLevel string) (*zap.Logger, error) {
 		ErrorOutputPaths: []string{"stderr"},
 	}
 
-	return zapConfig.Build()
+	logger, err := zapConfig.Build()
+	if err != nil {
+		return nil, err
+	}
+
+	if loggerProvider != nil {
+		otelCore := otelzap.NewCore("github.com/stefanprodan/podinfo",
+			otelzap.WithLoggerProvider(loggerProvider),
+		)
+		logger = logger.WithOptions(zap.WrapCore(func(core zapcore.Core) zapcore.Core {
+			return zapcore.NewTee(core, otelCore)
+		}))
+	}
+
+	return logger, nil
 }
 
 var stressMemoryPayload []byte

deploy/bases/backend/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/bases/database/cronjob-backup-daily.yaml

@@ -23,7 +23,7 @@ spec:
           restartPolicy: Never
           containers:
           - name: backup
-            image: ghcr.io/stefanprodan/podinfo:6.11.1
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
             imagePullPolicy: IfNotPresent
             command:
             - /bin/sh

deploy/bases/database/cronjob-rollup-daily.yaml

@@ -23,7 +23,7 @@ spec:
           restartPolicy: OnFailure
           containers:
           - name: healthcheck
-            image: ghcr.io/stefanprodan/podinfo:6.11.1
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
             imagePullPolicy: IfNotPresent
             command:
             - /bin/sh

deploy/bases/database/cronjob-rollup-weekly.yaml

@@ -23,7 +23,7 @@ spec:
           restartPolicy: OnFailure
           containers:
           - name: healthcheck
-            image: ghcr.io/stefanprodan/podinfo:6.11.1
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
             imagePullPolicy: IfNotPresent
             command:
             - /bin/sh

deploy/bases/database/deployment-replica.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: database
       containers:
       - name: database
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: db

deploy/bases/database/statefulset-primary.yaml

@@ -22,7 +22,7 @@ spec:
       serviceAccountName: database
       containers:
       - name: database
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: db

deploy/bases/frontend/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/webapp/backend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/webapp/frontend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/spf13/viper v1.21.0
 	github.com/swaggo/http-swagger v1.3.4
 	github.com/swaggo/swag v1.16.6
+	go.opentelemetry.io/contrib/bridges/otelzap v0.15.0
 	go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.65.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.65.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.65.0
@@ -23,14 +24,16 @@ require (
 	go.opentelemetry.io/contrib/propagators/b3 v1.40.0
 	go.opentelemetry.io/contrib/propagators/jaeger v1.40.0
 	go.opentelemetry.io/contrib/propagators/ot v1.40.0
-	go.opentelemetry.io/otel v1.40.0
+	go.opentelemetry.io/otel v1.43.0
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.40.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.40.0
-	go.opentelemetry.io/otel/sdk v1.40.0
+	go.opentelemetry.io/otel/sdk v1.43.0
-	go.opentelemetry.io/otel/trace v1.40.0
+	go.opentelemetry.io/otel/sdk/log v0.16.0
+	go.opentelemetry.io/otel/trace v1.43.0
 	go.uber.org/zap v1.27.1
 	golang.org/x/net v0.51.0
-	google.golang.org/grpc v1.79.1
+	google.golang.org/grpc v1.79.3
 	google.golang.org/protobuf v1.36.11
 )
 
@@ -66,14 +69,15 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/swaggo/files v1.0.1 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
-	go.opentelemetry.io/otel/metric v1.40.0 // indirect
+	go.opentelemetry.io/otel/log v0.16.0 // indirect
+	go.opentelemetry.io/otel/metric v1.43.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/mod v0.33.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
 	golang.org/x/text v0.34.0 // indirect
 	golang.org/x/tools v0.42.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 // indirect

go.sum

@@ -117,6 +117,8 @@ github.com/swaggo/swag v1.16.6/go.mod h1:ngP2etMK5a0P3QBizic5MEwpRmluJZPHjXcMoj4
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
 go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/contrib/bridges/otelzap v0.15.0 h1:x4qzjKkTl2hXmLl+IviSXvzaTyCJSYvpFZL5SRVLBxs=
+go.opentelemetry.io/contrib/bridges/otelzap v0.15.0/go.mod h1:h7dZHJgqkzUiKFXCTJBrPWH0LEZaZXBFzKWstjWBRxw=
 go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.65.0 h1:LIMn2KWRS0jRDDHYyIEYgKWsMwufA9GXusJiwik0u64=
 go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.65.0/go.mod h1:JwJa4o3Wq+4Yz2BjlYFGWyx2h0Fw1lnoj5kpsaTI97o=
 go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.65.0 h1:ab5U7DpTjjN8pNgwqlA/s0Csb+N2Raqo9eTSDhfg4Z8=
@@ -131,22 +133,32 @@ go.opentelemetry.io/contrib/propagators/jaeger v1.40.0 h1:aXl9uobjJs5vquMLt9ZkI/
 go.opentelemetry.io/contrib/propagators/jaeger v1.40.0/go.mod h1:ioMePqe6k6c/ovXSkmkMr1mbN5qRBGJxNTVop7/2XO0=
 go.opentelemetry.io/contrib/propagators/ot v1.40.0 h1:Lon8J5SPmWaL1Ko2TIlCNHJ42/J1b5XbJlgJaE/9m7I=
 go.opentelemetry.io/contrib/propagators/ot v1.40.0/go.mod h1:dKWtJTlp1Yj+8Cneye5idO46eRPIbi23qVuJYKjNnvY=
-go.opentelemetry.io/otel v1.40.0 h1:oA5YeOcpRTXq6NN7frwmwFR0Cn3RhTVZvXsP4duvCms=
+go.opentelemetry.io/otel v1.43.0 h1:mYIM03dnh5zfN7HautFE4ieIig9amkNANT+xcVxAj9I=
-go.opentelemetry.io/otel v1.40.0/go.mod h1:IMb+uXZUKkMXdPddhwAHm6UfOwJyh4ct1ybIlV14J0g=
+go.opentelemetry.io/otel v1.43.0/go.mod h1:JuG+u74mvjvcm8vj8pI5XiHy1zDeoCS2LB1spIq7Ay0=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0 h1:ZVg+kCXxd9LtAaQNKBxAvJ5NpMf7LpvEr4MIZqb0TMQ=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0/go.mod h1:hh0tMeZ75CCXrHd9OXRYxTlCAdxcXioWHFIpYw2rZu8=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.40.0 h1:QKdN8ly8zEMrByybbQgv8cWBcdAarwmIPZ6FThrWXJs=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.40.0/go.mod h1:bTdK1nhqF76qiPoCCdyFIV+N/sRHYXYCTQc+3VCi3MI=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.40.0 h1:DvJDOPmSWQHWywQS6lKL+pb8s3gBLOZUtw4N+mavW1I=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.40.0/go.mod h1:EtekO9DEJb4/jRyN4v4Qjc2yA7AtfCBuz2FynRUWTXs=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.40.0 h1:MzfofMZN8ulNqobCmCAVbqVL5syHw+eB2qPRkCMA/fQ=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.40.0/go.mod h1:E73G9UFtKRXrxhBsHtG00TB5WxX57lpsQzogDkqBTz8=
-go.opentelemetry.io/otel/metric v1.40.0 h1:rcZe317KPftE2rstWIBitCdVp89A2HqjkxR3c11+p9g=
+go.opentelemetry.io/otel/log v0.16.0 h1:DeuBPqCi6pQwtCK0pO4fvMB5eBq6sNxEnuTs88pjsN4=
-go.opentelemetry.io/otel/metric v1.40.0/go.mod h1:ib/crwQH7N3r5kfiBZQbwrTge743UDc7DTFVZrrXnqc=
+go.opentelemetry.io/otel/log v0.16.0/go.mod h1:rWsmqNVTLIA8UnwYVOItjyEZDbKIkMxdQunsIhpUMes=
-go.opentelemetry.io/otel/sdk v1.40.0 h1:KHW/jUzgo6wsPh9At46+h4upjtccTmuZCFAc9OJ71f8=
+go.opentelemetry.io/otel/log/logtest v0.16.0 h1:jr1CG3Z6FD9pwUaL/D0s0X4lY2ZVm1jP3JfCtzGxUmE=
-go.opentelemetry.io/otel/sdk v1.40.0/go.mod h1:Ph7EFdYvxq72Y8Li9q8KebuYUr2KoeyHx0DRMKrYBUE=
+go.opentelemetry.io/otel/log/logtest v0.16.0/go.mod h1:qeeZw+cI/rAtCzZ03Kq1ozq6C4z/PCa+K+bb0eJfKNs=
-go.opentelemetry.io/otel/sdk/metric v1.40.0 h1:mtmdVqgQkeRxHgRv4qhyJduP3fYJRMX4AtAlbuWdCYw=
+go.opentelemetry.io/otel/metric v1.43.0 h1:d7638QeInOnuwOONPp4JAOGfbCEpYb+K6DVWvdxGzgM=
-go.opentelemetry.io/otel/sdk/metric v1.40.0/go.mod h1:4Z2bGMf0KSK3uRjlczMOeMhKU2rhUqdWNoKcYrtcBPg=
+go.opentelemetry.io/otel/metric v1.43.0/go.mod h1:RDnPtIxvqlgO8GRW18W6Z/4P462ldprJtfxHxyKd2PY=
-go.opentelemetry.io/otel/trace v1.40.0 h1:WA4etStDttCSYuhwvEa8OP8I5EWu24lkOzp+ZYblVjw=
+go.opentelemetry.io/otel/sdk v1.43.0 h1:pi5mE86i5rTeLXqoF/hhiBtUNcrAGHLKQdhg4h4V9Dg=
-go.opentelemetry.io/otel/trace v1.40.0/go.mod h1:zeAhriXecNGP/s2SEG3+Y8X9ujcJOTqQ5RgdEJcawiA=
+go.opentelemetry.io/otel/sdk v1.43.0/go.mod h1:P+IkVU3iWukmiit/Yf9AWvpyRDlUeBaRg6Y+C58QHzg=
+go.opentelemetry.io/otel/sdk/log v0.16.0 h1:e/b4bdlQwC5fnGtG3dlXUrNOnP7c8YLVSpSfEBIkTnI=
+go.opentelemetry.io/otel/sdk/log v0.16.0/go.mod h1:JKfP3T6ycy7QEuv3Hj8oKDy7KItrEkus8XJE6EoSzw4=
+go.opentelemetry.io/otel/sdk/log/logtest v0.16.0 h1:/XVkpZ41rVRTP4DfMgYv1nEtNmf65XPPyAdqV90TMy4=
+go.opentelemetry.io/otel/sdk/log/logtest v0.16.0/go.mod h1:iOOPgQr5MY9oac/F5W86mXdeyWZGleIx3uXO98X2R6Y=
+go.opentelemetry.io/otel/sdk/metric v1.43.0 h1:S88dyqXjJkuBNLeMcVPRFXpRw2fuwdvfCGLEo89fDkw=
+go.opentelemetry.io/otel/sdk/metric v1.43.0/go.mod h1:C/RJtwSEJ5hzTiUz5pXF1kILHStzb9zFlIEe85bhj6A=
+go.opentelemetry.io/otel/trace v1.43.0 h1:BkNrHpup+4k4w+ZZ86CZoHHEkohws8AY+WTX09nk+3A=
+go.opentelemetry.io/otel/trace v1.43.0/go.mod h1:/QJhyVBUUswCphDVxq+8mld+AvhXZLhe+8WVFxiFff0=
 go.opentelemetry.io/proto/otlp v1.9.0 h1:l706jCMITVouPOqEnii2fIAuO3IVGBRPV5ICjceRb/A=
 go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
@@ -182,8 +194,8 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
-golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -205,8 +217,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409/go.mod h1:fl8J1IvUjCilwZzQowmw2b7HQB2eAuYBabMXzWurF+I=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 h1:H86B94AW+VfJWDqFeEbBPhEtHzJwJfTbgE2lZa54ZAQ=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
-google.golang.org/grpc v1.79.1 h1:zGhSi45ODB9/p3VAawt9a+O/MULLl9dpizzNNpq7flY=
+google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
-google.golang.org/grpc v1.79.1/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
+google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

kustomize/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: podinfod
-        image: ghcr.io/stefanprodan/podinfo:6.11.1
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

otel/README.md

@@ -1,27 +1,34 @@
-# Tracing Demo
+# Tracing & Logging Demo
 
 The directory contains sample [OpenTelemetry Collector](https://github.com/open-telemetry/opentelemetry-collector)
-and [Jaeger](https://www.jaegertracing.io) configurations for a tracing demo.
+and [Jaeger](https://www.jaegertracing.io) / [Loki](https://grafana.com/oss/loki/) configurations for a tracing and logging demo.
 
 ## Configuration
 
-The provided [docker-compose.yaml](docker-compose.yaml) sets up 4 Containers
+The provided [docker-compose.yaml](docker-compose.yaml) sets up 6 containers:
 
 1. PodInfo Frontend on port 9898
 2. PodInfo Backend on port 9899
 3. OpenTelemetry Collector listening on port 4317 for GRPC
-4. Jaeger all-in-one listening on multiple ports
+4. Jaeger all-in-one with UI on port 16686
+5. Loki on port 3100
+6. Grafana on port 3000
 
 ## How does it work?
 
-The frontend pods are configured to call onto the backend pods. Both the podinfo
+The frontend pod is configured to call the backend pod. Both podinfo pods send traces
-pods are configured to send traces over to the collector at port 4317 using GRPC.
+and logs to the collector at port 4317 using OTLP gRPC.
-The collector forwards all received spans to Jaeger over port 14250 and Jaeger
+
-exposes a UI over port `16686`.
+The collector forwards:
+- **Traces** to Jaeger via OTLP gRPC on port 4317
+- **Logs** to Loki via OTLP HTTP on port 3100
+
+Jaeger exposes its UI on port `16686`. Grafana exposes its UI on port `3000` and is
+pre-configured with both Jaeger and Loki as datasources.
 
 ## Running it locally
 
-1. Start all the Containers
+1. Start all the containers
 ```shell
 make run
 ```
@@ -30,8 +37,9 @@ make run
 curl -v http://localhost:9898/status/200
 curl -X POST -v http://localhost:9898/api/echo
 ```
-3. Visit `http://localhost:16686/` to see the spans
+3. Visit `http://localhost:16686/` to see traces in Jaeger
-4. Stop all the containers
+4. Visit `http://localhost:3000/` to explore logs in Grafana (Explore → Loki) and traces (Explore → Jaeger)
+5. Stop all the containers
 ```shell
 make stop
 ```

otel/docker-compose.yaml

@@ -5,31 +5,38 @@ services:
     build: ..
     command: ./podinfo --backend-url http://podinfo_backend:9899/status/200 --otel-service-name=podinfo_frontend
     environment:
-      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otel:4317
+      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel:4317
     ports:
       - "9898:9898"
   podinfo_backend:
     build: ..
     command: ./podinfo --port 9899 --otel-service-name=podinfo_backend
     environment:
-      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otel:4317
+      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel:4317
     ports:
       - "9899:9899"
   otel:
     command: --config otel-config.yaml
-    image: otel/opentelemetry-collector:0.41.0
+    image: otel/opentelemetry-collector-contrib:0.116.1
     ports:
       - "4317:4317"
     volumes:
       - ${PWD}/otel-config.yaml:/otel-config.yaml
-  jaeger:
+  loki:
-    image: jaegertracing/all-in-one:1.29.0
+    image: grafana/loki:3.0.0
+    ports:
+      - "3100:3100"
+    command: -config.file=/etc/loki/local-config.yaml
+  grafana:
+    image: grafana/grafana:10.4.0
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+    volumes:
+      - ${PWD}/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+  jaeger:
+    image: jaegertracing/all-in-one:1.57.0
     ports:
-      - "5775:5775/udp"
-      - "6831:6831/udp"
-      - "6832:6832/udp"
-      - "5778:5778"
       - "16686:16686"
-      - "14268:14268"
-      - "14250:14250"
-      - "9411:9411"

otel/grafana-datasources.yaml

@@ -0,0 +1,10 @@
+apiVersion: 1
+
+datasources:
+  - name: Loki
+    type: loki
+    url: http://loki:3100
+    isDefault: true
+  - name: Jaeger
+    type: jaeger
+    url: http://jaeger:16686

otel/otel-config.yaml

@@ -2,15 +2,18 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
 
 processors:
 
 exporters:
-  jaeger:
+  otlp/jaeger:
-    endpoint: jaeger:14250
+    endpoint: jaeger:4317
     tls:
       insecure: true
+  otlphttp/loki:
+    endpoint: http://loki:3100/otlp
 
 extensions:
   health_check:
@@ -23,4 +26,8 @@ service:
     traces:
       receivers: [otlp]
       processors: []
-      exporters: [jaeger]
+      exporters: [otlp/jaeger]
+    logs:
+      receivers: [otlp]
+      processors: []
+      exporters: [otlphttp/loki]

pkg/signals/shutdown.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/gomodule/redigo/redis"
 	"github.com/spf13/viper"
+	sdklog "go.opentelemetry.io/otel/sdk/log"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
@@ -17,9 +18,14 @@ type Shutdown struct {
 	logger                *zap.Logger
 	pool                  *redis.Pool
 	tracerProvider        *sdktrace.TracerProvider
+	loggerProvider        *sdklog.LoggerProvider
 	serverShutdownTimeout time.Duration
 }
 
+func (s *Shutdown) SetLoggerProvider(lp *sdklog.LoggerProvider) {
+	s.loggerProvider = lp
+}
+
 func NewShutdown(serverShutdownTimeout time.Duration, logger *zap.Logger) (*Shutdown, error) {
 	srv := &Shutdown{
 		logger:                logger,
@@ -62,6 +68,13 @@ func (s *Shutdown) Graceful(stopCh <-chan struct{}, httpServer *http.Server, htt
 		}
 	}
 
+	// stop OpenTelemetry logger provider
+	if s.loggerProvider != nil {
+		if err := s.loggerProvider.Shutdown(ctx); err != nil {
+			s.logger.Warn("stopping logger provider", zap.Error(err))
+		}
+	}
+
 	// determine if the GRPC was started
 	if grpcServer != nil {
 		s.logger.Info("Shutting down GRPC server", zap.Duration("timeout", s.serverShutdownTimeout))

pkg/version/version.go

@@ -1,4 +1,4 @@
 package version
 
-var VERSION = "6.11.1"
+var VERSION = "6.11.2"
 var REVISION = "unknown"

timoni/podinfo/values.cue

@@ -9,7 +9,7 @@ package main
 values: {
 	image: {
 		repository: "ghcr.io/stefanprodan/podinfo"
-		tag:        "6.11.1"
+		tag:        "6.11.2"
 		digest:     ""
 	}
 	test: image: {