feat: introduce logger to config

.gitea/workflows/cd.yaml

@@ -4,14 +4,6 @@ on:
   push:
     branches:
       - main
-    paths:
-      - "go.mod"
-      - "go.sum"
-      - "**/*.go"
-      - "config.example.yaml"
-      - "Dockerfile"
-      - "Makefile"
-  workflow_dispatch:
 
 env:
   DOCKER_REGISTRY: gitea.t000-n.de
@@ -22,14 +14,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@v4
       - name: Setup go
-        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
+        uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
           check-latest: true
       - name: Create cache key
-        uses: https://gitea.com/actions/go-hashfiles@264ae76b7e50173ce71ed7da4b48e5e517f3f9ec # v0.0.1
+        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
         id: hash-go
         with:
           patterns: |
@@ -37,7 +29,7 @@ jobs:
             go.sum
       - name: cache go
         id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+        uses: actions/cache@v4
         with:
           path: |
             /go_path
@@ -52,90 +44,41 @@ jobs:
 
   build_and_push:
     name: Build and push
-    strategy:
-      matrix:
-        arch: [amd64, arm64]
     needs:
       - test
-    runs-on:
+    runs-on: ubuntu-latest
-      - ubuntu-latest
-      - linux_${{ matrix.arch }}
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
+        uses: docker/setup-buildx-action@v2
+
       - name: Login to Registry
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3
+        uses: docker/login-action@v2
         with:
           registry: ${{ env.DOCKER_REGISTRY }}
           username: ${{ secrets.REGISTRY_USER }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
+
       - name: Get Metadata
         id: meta
         run: |
           echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
           echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
+
       - name: Build and push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6
+        uses: docker/build-push-action@v4
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/${{ matrix.arch }}
+          platforms: |
+            linux/amd64
+            linux/arm64
           push: true
-          provenance: false
-          build-args: GOARCH=${{ matrix.arch }}
           tags: |
-            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-${{ matrix.arch }}
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}
-
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:latest
-  create_tag:
-    name: Create tag
-    runs-on: ubuntu-latest
-    outputs:
-      tag: ${{ steps.tag.outputs.new-tag }}
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-        with:
-          fetch-depth: 0
-      - uses: https://gitea.t000-n.de/t.behrendt/conventional-semantic-git-tag-increment@0.1.20
-        id: tag
-        with:
-          token: ${{ secrets.GITEA_TOKEN }}
-          prerelease: ${{ github.event_name == 'workflow_dispatch' }}
-      - run: |
-          git tag ${{ steps.tag.outputs.new-tag }}
-          git push origin ${{ steps.tag.outputs.new-tag }}
-      - name: Set output
-        run: |
-          echo "tag=${{ steps.tag.outputs.new-tag }}" >> $GITHUB_OUTPUT
-
-  create_manifest:
-    name: Create manifest
-    needs:
-      - build_and_push
-      - create_tag
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-
-      - name: Get Metadata
-        id: meta
-        run: |
-          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
-          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
-
-      - name: Login to Registry
-        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3
-        with:
-          registry: ${{ env.DOCKER_REGISTRY }}
-          username: ${{ secrets.REGISTRY_USER }}
-          password: ${{ secrets.REGISTRY_PASSWORD }}
-
-      - name: Create manifest
-        run: |
-          docker manifest create ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }} \
-            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-amd64 \
-            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-arm64
-
-          docker manifest push ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }}

.gitea/workflows/ci.yaml

@@ -13,14 +13,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@v4
       - name: Setup go
-        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
+        uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
           check-latest: true
       - name: Create cache key
-        uses: https://gitea.com/actions/go-hashfiles@264ae76b7e50173ce71ed7da4b48e5e517f3f9ec # v0.0.1
+        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
         id: hash-go
         with:
           patterns: |
@@ -28,7 +28,7 @@ jobs:
             go.sum
       - name: cache go
         id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+        uses: actions/cache@v4
         with:
           path: |
             /go_path

Dockerfile

@@ -1,14 +1,13 @@
-FROM golang:1.25-alpine@sha256:26111811bc967321e7b6f852e914d14bede324cd1accb7f81811929a6a57fea9 as build
+FROM golang:1.23-alpine
-
-ARG GOARCH=amd64
 
 WORKDIR /app
-COPY go.mod go.sum ./
-RUN go mod download
-COPY . .
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} \
-    go build -trimpath -ldflags="-s -w" -o main .
 
-FROM gcr.io/distroless/static-debian12@sha256:4b2a093ef4649bccd586625090a3c668b254cfe180dee54f4c94f3e9bd7e381e
+COPY go.mod go.sum ./
-COPY --from=build /app/main /
+
-CMD ["/main"]
+RUN go mod download
+
+COPY . .
+
+RUN go build -o main .
+
+CMD ["./main"]

README.md

@@ -38,7 +38,6 @@ domains:
       - www
 check_interval: 0 0 0/6 * * * *
 mode: Scheduled
-log_level: info
 ```
 
 The config file is expected to be in the same directory as the binary and called `config.yaml`. For the OCR image, the root directory is `/app`.

config.example.yaml

@@ -21,4 +21,3 @@ domains:
       - www
 check_interval: 0 0 0/6 * * * *
 mode: Scheduled
-log_level: info

go.mod

@@ -1,16 +1,15 @@
 module realdnydns
 
-go 1.25.0
+go 1.23
 
 require (
 	github.com/go-co-op/gocron v1.37.0
-	github.com/go-co-op/gocron/v2 v2.19.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/stretchr/testify v1.11.1 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
 )

go.sum

@@ -4,8 +4,6 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-co-op/gocron v1.37.0 h1:ZYDJGtQ4OMhTLKOKMIch+/CY70Brbb1dGdooLEhh7b0=
 github.com/go-co-op/gocron v1.37.0/go.mod h1:3L/n6BkO7ABj+TrfSVXLRzsP26zmikL4ISkLQ0O8iNY=
-github.com/go-co-op/gocron/v2 v2.18.0/go.mod h1:Zii6he+Zfgy5W9B+JKk/KwejFOW0kZTFvHtwIpR4aBI=
-github.com/go-co-op/gocron/v2 v2.19.0/go.mod h1:5lEiCKk1oVJV39Zg7/YG10OnaVrDAV5GGR6O0663k6U=
 github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -32,9 +30,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=

main.go

@@ -25,7 +25,8 @@ func main() {
 	configClient := config.Config{}
 	err := configClient.Load("config.yaml")
 	if err != nil {
-		logger.Error("Failed to load config file", slog.String("error", err.Error()))
+		logger.Error("Failed to load config file",
+			slog.String("error", err.Error()))
 		panic(err)
 	}
 
@@ -38,64 +39,39 @@ func main() {
 	var externalIpProvider externalIpProvider.ExternalIpProvider
 	switch configClient.ExternalIPProvider.Type {
 	case "plain":
-		logger.Info("Using plain external IP provider", slog.String("external_ip_provider", "plain"))
-
 		var plainConfig plainExternalIpProvider.PlainExternalIpProviderConfig
 		err := configClient.ExternalIPProvider.ProviderConfig.Decode(&plainConfig)
 		if err != nil {
-			logger.Error("Failed to create config",
-				slog.String("external_ip_provider", "plain"),
-				slog.String("error", err.Error()),
-			)
 			panic(err)
 		}
 
 		externalIpProvider, err = plainExternalIpProvider.New(plainConfig)
 		if err != nil {
-			logger.Error("Failed to create plain external IP provider",
-				slog.String("external_ip_provider", "plain"),
-				slog.String("error", err.Error()),
-			)
 			panic(err)
 		}
 	default:
-		logger.Error("Unknown external IP provider", slog.String("external_ip_provider", configClient.ExternalIPProvider.Type))
 		panic(fmt.Errorf("unknown external IP provider: %s", configClient.ExternalIPProvider.Type))
 	}
 
 	var dnsProvider dnsProvider.DNSProvider
 	switch configClient.DNSProvider.Type {
 	case "ionos":
-		logger.Info("Using IONOS DNS provider", slog.String("dns_provider", "ionos"))
-
 		var ionosConfig ionos.IONOSConfig
 		err := configClient.DNSProvider.ProviderConfig.Decode(&ionosConfig)
 		if err != nil {
-			logger.Error("Failed to create IONOS DNS provider",
-				slog.String("dns_provider", "ionos"),
-				slog.String("error", err.Error()),
-			)
 			panic(err)
 		}
-
 		dnsProvider, err = ionos.NewIonos(&ionosConfig)
 		if err != nil {
-			logger.Error("Failed to create IONOS DNS provider",
-				slog.String("dns_provider", "ionos"),
-				slog.String("error", err.Error()),
-			)
 			panic(err)
 		}
 	default:
-		logger.Error("Unknown DNS provider", slog.String("dns_provider", configClient.DNSProvider.Type))
 		panic(fmt.Errorf("unknown DNS provider: %s", configClient.DNSProvider.Type))
 	}
 
 	var notificationProvider notificationProvider.NotificationProvider
 	switch configClient.NotificationProvider.Type {
 	case "gotify":
-		logger.Info("Using Gotify notification provider", slog.String("notification_provider", "gotify"))
-
 		var gotifyConfig gotify.NotificationProviderImplGotifyConfig
 		err := configClient.NotificationProvider.ProviderConfig.Decode(&gotifyConfig)
 		if err != nil {
@@ -104,39 +80,29 @@ func main() {
 
 		notificationProvider, err = gotify.New(gotifyConfig)
 		if err != nil {
-			logger.Error("Failed to create Gotify notification provider",
-				slog.String("notification_provider", "gotify"),
-				slog.String("error", err.Error()),
-			)
 			panic(err)
 		}
 	default:
-		logger.Info("Using console notification provider", slog.String("notification_provider", "console"))
-
 		notificationProvider = notificationProviderConsole.New()
 	}
 
-	rdd := realDynDns.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains, logger.With(slog.String("service", "realDynDns")))
+	rdd := realDynDns.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains)
 
 	switch configClient.Mode {
 	case config.ScheduledMode:
-		logger.Info("Running in scheduled mode", slog.String("interval", configClient.CheckInterval))
-
 		schedule, job, err := rdd.RunWithSchedule(configClient.CheckInterval)
 		if err != nil {
-			logger.Error("Failed to create scheduler", slog.String("error", err.Error()))
 			panic(err)
 		}
 
-		logger.Info("Next run:", slog.String("time", job.NextRun().String()))
+		fmt.Println("Starting scheduler")
+		fmt.Println("Next run:", job.NextRun())
 		schedule.StartBlocking()
 	case config.RunOnceMode:
-		logger.Info("Running in run once mode")
+		numberOfChanges, err := rdd.RunOnce()
-
-		_, err := rdd.RunOnce()
 		if err != nil {
-			logger.Error("Failed to run once", slog.String("error", err.Error()))
 			panic(err)
 		}
+		fmt.Println("Number of changes:", numberOfChanges)
 	}
 }

pkg/externalIpProvider/plain/plain.go

@@ -2,7 +2,6 @@ package externalIpProvider
 
 import (
 	"errors"
-	"io"
 	"net"
 	"net/http"
 	"net/url"
@@ -41,15 +40,12 @@ func (p *ExternalIpProviderImplPlain) GetExternalIp() (net.IP, error) {
 	}
 
 	if res.StatusCode != 200 {
-		res.Body.Close()
 		return nil, errors.New("unexpected status code")
 	}
 
-	responseBody, err := io.ReadAll(res.Body)
+	responseBody := make([]byte, res.ContentLength)
-	res.Body.Close()
+	res.Body.Read(responseBody)
-	if err != nil {
+	defer res.Body.Close()
-		return nil, err
-	}
 
 	parsedIp := net.ParseIP(string(responseBody))
 	if parsedIp == nil {

pkg/realDynDns/realDynDns.go

@@ -2,8 +2,6 @@ package realDynDns
 
 import (
 	"fmt"
-	"log/slog"
-	"sync"
 	"time"
 
 	"realdnydns/pkg/config"
@@ -19,7 +17,6 @@ type ChangeDetector struct {
 	dnsProvider          dnsProvider.DNSProvider
 	notificationProvider notificationProvider.NotificationProvider
 	domains              []config.DomainConfig
-	logger               *slog.Logger
 }
 
 func New(
@@ -27,14 +24,12 @@ func New(
 	dnsProvider dnsProvider.DNSProvider,
 	notificationProvider notificationProvider.NotificationProvider,
 	domains []config.DomainConfig,
-	logger *slog.Logger,
 ) ChangeDetector {
 	return ChangeDetector{
 		externalIpProvider:   externalIpProvider,
 		dnsProvider:          dnsProvider,
 		notificationProvider: notificationProvider,
 		domains:              domains,
-		logger:               logger,
 	}
 }
 
@@ -63,90 +58,37 @@ func (c *ChangeDetector) RunOnce() (int, error) {
 }
 
 func (c *ChangeDetector) detectAndApplyChanges() (int, error) {
-	c.logger.Info("Detecting and applying changes")
-
 	externalIp, err := c.externalIpProvider.GetExternalIp()
 	if err != nil {
-		c.logger.Error("Failed to retrieve external IP", slog.String("error", err.Error()))
 		return 0, err
 	}
 
-	var wg sync.WaitGroup
+	var numberUpdated int
-
-	numberUpdatedChannel := make(chan int)
 
 	for _, domain := range c.domains {
 		for _, subdomain := range domain.Subdomains {
-			wg.Add(1)
-
-			go func(domain config.DomainConfig, subdomain string) {
-				defer wg.Done()
-
-				c.logger.Info("Checking record",
-					slog.String("tld", domain.TLD),
-					slog.String("subdomain", subdomain),
-				)
 			currentRecord, err := c.dnsProvider.GetRecord(domain.TLD, subdomain)
 			if err != nil {
-					c.logger.Error("Failed to retrieve record",
+				return numberUpdated, err
-						slog.String("error", err.Error()),
-						slog.String("tld", domain.TLD),
-						slog.String("subdomain", subdomain),
-					)
-					return
 			}
 
 			if currentRecord.IP != externalIp.String() {
-					c.logger.Info("Record has changed",
-						slog.String("tld", domain.TLD),
-						slog.String("subdomain", subdomain),
-						slog.String("current_ip", currentRecord.IP),
-						slog.String("external_ip", externalIp.String()),
-					)
-
 				err = c.notificationProvider.SendNotification(
 					fmt.Sprintf("Update %s.%s", subdomain, domain.TLD),
 					fmt.Sprintf("The IP of %s has changed from %s to %s", domain.TLD, currentRecord.IP, externalIp.String()),
 				)
 				if err != nil {
-						c.logger.Warn("Failed to send notification",
+					return numberUpdated, err
-							slog.String("error", err.Error()),
-						)
-						return
 				}
 
-					c.logger.Info("Updating record",
-						slog.String("tld", domain.TLD),
-						slog.String("subdomain", subdomain),
-						slog.String("current_ip", currentRecord.IP),
-						slog.String("external_ip", externalIp.String()),
-					)
 				_, err = c.dnsProvider.UpdateRecord(domain.TLD, subdomain, externalIp, currentRecord.TTL, currentRecord.Prio, currentRecord.Disabled)
+				numberUpdated++
 				if err != nil {
-						c.logger.Error("Failed to update record",
+					return numberUpdated, err
-							slog.String("error", err.Error()),
-							slog.String("tld", domain.TLD),
-							slog.String("subdomain", subdomain),
-						)
-						return
 				}
-
-					numberUpdatedChannel <- 1
 			}
-			}(domain, subdomain)
 		}
 	}
 
-	go func() {
-		wg.Wait()
-		close(numberUpdatedChannel)
-	}()
-
-	numberUpdated := 0
-	for v := range numberUpdatedChannel {
-		numberUpdated += v
-	}
-
-	c.logger.Info("Run completed", slog.Int("number_of_changes", numberUpdated))
 	return numberUpdated, nil
 }

pkg/realDynDns/realDynDns_test.go

@@ -1,7 +1,6 @@
 package realDynDns
 
 import (
-	"log/slog"
 	"net"
 	"realdnydns/model/common"
 	"realdnydns/pkg/config"
@@ -73,9 +72,7 @@ func testDetectAndApplyChangesWithChanges() func(t *testing.T) {
 						"@",
 					},
 				},
-			},
+			})
-			slog.Default(),
-		)
 
 		numberUpdated, err := changeDetector.RunOnce()
 		if err != nil {
@@ -104,9 +101,7 @@ func testDetectAndApplyChangesWithoutChanges() func(t *testing.T) {
 						"@",
 					},
 				},
-			},
+			})
-			slog.Default(),
-		)
 
 		numberUpdated, err := changeDetector.RunOnce()
 		if err != nil {

renovate.json

@@ -1,22 +0,0 @@
-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "local>t.behrendt/renovate-configs:common",
-    "local>t.behrendt/renovate-configs:action"
-  ],
-  "packageRules": [
-    {
-      "matchPackageNames": [
-        "golang",
-        "gomod",
-        "go"
-      ],
-      "groupName": "go version",
-      "matchUpdateTypes": [
-        "major",
-        "minor",
-        "patch"
-      ]
-    }
-  ]
-}