Merge branch 'main' into chore-cleanup

fix: catch error when externalIpProvider cannot be created
2024-08-11 12:14:48 +02:00 · 2024-08-11 12:04:18 +02:00 · 2024-08-11 10:13:38 +02:00 · 2024-08-11 10:13:17 +02:00
25 changed files with 838 additions and 2144 deletions
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -1,141 +1,51 @@
 name: CD

 on:
-  push:
-    branches:
-      - main
-    paths:
-      - "go.mod"
-      - "go.sum"
-      - "**/*.go"
-      - "config.example.yaml"
-      - "Dockerfile"
-      - "Makefile"
-  workflow_dispatch:
+  workflow_run:
+    workflows: ["CI"]
+    branches: [main]
+    types:
+      - completed

 env:
  DOCKER_REGISTRY: gitea.t000-n.de

 jobs:
-  test:
-    name: test
+  build_and_push:
+    name: Build and push
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-      - name: Setup go
-        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
-        with:
-          go-version-file: go.mod
-          check-latest: true
-      - name: Create cache key
-        uses: https://gitea.com/actions/go-hashfiles@264ae76b7e50173ce71ed7da4b48e5e517f3f9ec # v0.0.1
-        id: hash-go
-        with:
-          patterns: |
-            go.mod
-            go.sum
-      - name: cache go
-        id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
-        with:
-          path: |
-            /go_path
-            /go_cache
-          key: go_path-${{ steps.hash-go.outputs.hash }}
-          restore-keys: |-
-            go_cache-${{ steps.hash-go.outputs.hash }}
-      - name: build
-        run: make build
-      - name: test
-        run: make test
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2

-  build_and_push:
-    name: Build and push
-    strategy:
-      matrix:
-        arch: [amd64, arm64]
-    needs:
-      - test
-    runs-on:
-      - ubuntu-latest
-      - linux_${{ matrix.arch }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
      - 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 }}
-
-  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@9841c96e72d4fc1ecec620e91e213895341cce86 # 0.1.22
-        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 }}
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:latest
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -1,6 +1,9 @@
 name: CI
 on:
  pull_request:
+  push:
+    branches:
+      - main

 env:
  GOPATH: /go_path
@@ -13,14 +16,14 @@ 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 +31,7 @@ jobs:
            go.sum
      - name: cache go
        id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+        uses: actions/cache@v4
        with:
          path: |
            /go_path
@@ -40,5 +43,3 @@ jobs:
        run: make build
      - name: test
        run: make test
-      - name: check:format
-        run: make check-format
--- a/29
+++ b/29
@@ -1,14 +1,21 @@
-FROM golang:1.25-alpine@sha256:26111811bc967321e7b6f852e914d14bede324cd1accb7f81811929a6a57fea9 as build
-
-ARG GOARCH=amd64
+FROM golang:1.21-alpine

+# Set the Current Working Directory inside the container
 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 --from=build /app/main /
-CMD ["/main"]
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
+RUN go mod download
+
+# Copy the source from the current directory to the Working Directory inside the container
+COPY . .
+
+# Build the Go app
+RUN go build -o main .
+
+
+# Command to run the executable
+
+CMD ["./main"]
--- a/15
+++ b/15
@@ -6,18 +6,3 @@ build:

 lint:
 	golint ./...
-
-run:
-	make build
-	./realdyndns
-
-format:
-	gofmt -w .
-
-check-format:
-	@OUTPUT=$$(gofmt -l .); \
-	if [ -n "$$OUTPUT" ]; then \
-		echo "Formatter failed for:"; \
-		echo "$$OUTPUT"; \
-		exit 1; \
-	fi
--- a/README.md
+++ b/README.md
@@ -1,12 +1,10 @@
 # realDynDNS
-
 RealDynDNS aims to be a replacement to "classical" dynDNS solutions that offer a subdomain. Instead realDynDns actually changes your DNS entries.

 This service requires your DNS provider to expose an API that allows your DNS entries to be changed.
 A service that provides your current external IP is also required.

 ## Configuration
-
 The configuration is done via a YAML file called `config.yaml`. The following example shows the configuration for a domain with two subdomains.

 Configuration of the IP provider and the DNS provider is mandatory.
@@ -37,52 +35,38 @@ 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`.
-
 ## DNS Providers
-
 The DNS provider abstracts the API of your DNS provider. Currently the following providers are supported:

 ### IONOS
-
 IONOS requires two configuration parameters. You can get your API key [here](https://developer.hosting.ionos.com/docs/getstarted).
-
 ```yaml
 api_key: <your-api-key>
 base_url: https://api.hosting.ionos.com/dns
 ```

 ## External IP Providers
-
 The external IP provider is used to get your current external IP. Currently the following providers are supported:

 ### Plain
-
 Any provider that returns your IP as plain text can be used. The following configuration is required:
-
 ```yaml
 url: <your-providers-URL>
 ```

 Examples for providers are:
-
 - https://ifconfig.me
 - https://api.ipify.org

 ## Notification Providers
-
 The notification provider is used to send notifications whena IP address changes and a DNS record is updated.

 ### Console
-
 The console notification provider is used to print the notification to the console. This is the default notification provider.

 ### Gotify
-
 The Gotify notification provider is used to send notifications to a Gotify server.

 ```yaml
@@ -92,19 +76,3 @@ priority: 0
 ```

 The priority must be between 0 and 4.
-
-## Mode Selection
-
-Two modes are available:
-
-### RunOnce
-
-The RunOnce mode is used to run the application once and exit. This is useful when providing your own external scheduler, like cron.
-
-Set the `mode` to `RunOnce`.
-
-### Scheduled
-
-The Scheduled mode is used to run the application in a scheduled interval.
-
-Set the `mode` to `Scheduled` and provide a cron expression for the `check_interval`.
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -2,16 +2,12 @@
 ip_provider:
  type: plain
  config:
-    url: https://api.ipify.org
+    url: https://ifconfig.me
 dns_provider:
  type: ionos
  config:
    api_key: <your-api-key>
    base_url: https://api.hosting.ionos.com/dns
-    # Optional: default TTL to use when patching records with missing TTL (default: 300)
-    # default_ttl: 300
-    # Optional: default priority to use when patching records with missing priority (default: 0)
-    # default_prio: 0
 notification_provider:
  type: gotify
  config:
@@ -24,5 +20,3 @@ domains:
      - "@"
      - www
 check_interval: 0 0 0/6 * * * *
-mode: Scheduled
-log_level: info
--- a/go.mod
+++ b/go.mod
@@ -1,18 +1,19 @@
 module realdnydns

-go 1.25.0
+go 1.20

 require (
-	gitea.t000-n.de/t.behrendt/ionosDnsClient v1.0.2
 	github.com/go-co-op/gocron v1.37.0
 	gopkg.in/yaml.v3 v3.0.1
 )

 require (
-	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/oapi-codegen/runtime v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/stretchr/testify v1.11.1 // indirect
+	github.com/stretchr/objx v0.5.0 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,55 +1,47 @@
-gitea.t000-n.de/t.behrendt/ionosDnsClient v1.0.2 h1:EWz4kLLv7lSZx/F8K0/WxN5xeVNh7z4qbeDurZYBcNk=
-gitea.t000-n.de/t.behrendt/ionosDnsClient v1.0.2/go.mod h1:HZfdMF7X9LK/3FP1jJVzMWbM5BcgcZg/Qwx2WClFipg=
-github.com/RaveNoX/go-jsoncommentstrip v1.0.0/go.mod h1:78ihd09MekBnJnxpICcwzCMzGrKSKYe4AqU6PDYYpjk=
-github.com/apapsch/go-jsonmerge/v2 v2.0.0 h1:axGnT1gRIfimI7gJifB699GoE/oq+F2MU7Dml6nw9rQ=
-github.com/apapsch/go-jsonmerge/v2 v2.0.0/go.mod h1:lvDnEdqiQrp0O42VQGgmlKpxL1AP2+08jFMw88y4klk=
-github.com/bmatcuk/doublestar v1.1.1/go.mod h1:UD6OnuiIn0yFxxA2le/rnRU1G4RaI4UvFv1sNto9p6w=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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 v1.31.2 h1:tAUW64bxYc5QlzEy2t30TnHX2+uInNDajKXxWi4SACA=
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 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/main.go
+++ b/main.go
@@ -2,10 +2,9 @@ package main

 import (
 	"fmt"
-	"log/slog"
-	"os"
-	"strings"
+	"time"

+	"realdnydns/pkg/changeDetector"
 	"realdnydns/pkg/config"
 	"realdnydns/pkg/dnsProvider"
 	ionos "realdnydns/pkg/dnsProvider/ionos"
@@ -14,88 +13,53 @@ import (
 	"realdnydns/pkg/notificationProvider"
 	notificationProviderConsole "realdnydns/pkg/notificationProvider/console"
 	gotify "realdnydns/pkg/notificationProvider/gotify"
-	"realdnydns/pkg/realDynDns"
+
+	"github.com/go-co-op/gocron"
 )

 func main() {
-	logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
-		Level: slog.LevelInfo,
-	}))
-
 	configClient := config.Config{}
 	err := configClient.Load("config.yaml")
 	if err != nil {
-		logger.Error("Failed to load config file", slog.String("error", err.Error()))
 		panic(err)
 	}

-	if configClient.LogLevel != "" {
-		logger = slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
-			Level: slog.Level(config.LogLevelMap[strings.ToLower(configClient.LogLevel)]),
-		}))
-	}
-
 	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 +68,30 @@ 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"))
-
+		// Use default console notification provider
 		notificationProvider = notificationProviderConsole.New()
 	}

-	rdd := realDynDns.New(externalIpProvider, dnsProvider, notificationProvider, configClient.Domains, logger.With(slog.String("service", "realDynDns")))
+	changeDetector := changeDetector.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)
+	s := gocron.NewScheduler(time.UTC)
+	s.SingletonMode()
+	job, err := s.CronWithSeconds(configClient.CheckInterval).DoWithJobDetails(func(job gocron.Job) {
+		numberChanged, err := changeDetector.DetectAndApplyChanges()
+		if err != nil {
+			panic(err)
+		}
+		fmt.Printf("Number of changes: %d\n", numberChanged)
+		fmt.Println("Next run:", job.NextRun())
+	})
 	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()))
-		schedule.StartBlocking()
-	case config.RunOnceMode:
-		logger.Info("Running in run once mode")
-
-		_, err := rdd.RunOnce()
-		if err != nil {
-			logger.Error("Failed to run once", slog.String("error", err.Error()))
-			panic(err)
-		}
-	}
+	fmt.Println("Starting scheduler")
+	fmt.Println("Next run:", job.NextRun())
+	s.StartBlocking()
 }
--- a/pkg/changeDetector/changeDetector.go
+++ b/pkg/changeDetector/changeDetector.go
@@ -0,0 +1,66 @@
+package changeDetector
+
+import (
+	"fmt"
+	"realdnydns/pkg/config"
+	"realdnydns/pkg/dnsProvider"
+	"realdnydns/pkg/externalIpProvider"
+	"realdnydns/pkg/notificationProvider"
+)
+
+type ChangeDetector struct {
+	externalIpProvider   externalIpProvider.ExternalIpProvider
+	dnsProvider          dnsProvider.DNSProvider
+	notificationProvider notificationProvider.NotificationProvider
+	domains              []config.DomainConfig
+}
+
+func New(
+	externalIpProvider externalIpProvider.ExternalIpProvider,
+	dnsProvider dnsProvider.DNSProvider,
+	notificationProvider notificationProvider.NotificationProvider,
+	domains []config.DomainConfig,
+) ChangeDetector {
+	return ChangeDetector{
+		externalIpProvider:   externalIpProvider,
+		dnsProvider:          dnsProvider,
+		notificationProvider: notificationProvider,
+		domains:              domains,
+	}
+}
+
+func (c *ChangeDetector) DetectAndApplyChanges() (int, error) {
+	externalIp, err := c.externalIpProvider.GetExternalIp()
+	if err != nil {
+		return 0, err
+	}
+
+	var numberUpdated int
+
+	for _, domain := range c.domains {
+		for _, subdomain := range domain.Subdomains {
+			currentRecord, err := c.dnsProvider.GetRecord(domain.TLD, subdomain)
+			if err != nil {
+				return numberUpdated, err
+			}
+
+			if currentRecord.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 {
+					return numberUpdated, err
+				}
+
+				_, err = c.dnsProvider.UpdateRecord(domain.TLD, subdomain, externalIp, currentRecord.TTL, currentRecord.Prio, currentRecord.Disabled)
+				numberUpdated++
+				if err != nil {
+					return numberUpdated, err
+				}
+			}
+		}
+	}
+
+	return numberUpdated, nil
+}
--- a/pkg/changeDetector/changeDetector_test.go
+++ b/pkg/changeDetector/changeDetector_test.go
@@ -1,7 +1,6 @@
-package realDynDns
+package changeDetector

 import (
-	"log/slog"
 	"net"
 	"realdnydns/model/common"
 	"realdnydns/pkg/config"
@@ -73,11 +72,9 @@ func testDetectAndApplyChangesWithChanges() func(t *testing.T) {
 						"@",
 					},
 				},
-			},
-			slog.Default(),
-		)
+			})

-		numberUpdated, err := changeDetector.RunOnce()
+		numberUpdated, err := changeDetector.DetectAndApplyChanges()
 		if err != nil {
 			t.Errorf("expected no error, got %v", err)
 		}
@@ -104,11 +101,9 @@ func testDetectAndApplyChangesWithoutChanges() func(t *testing.T) {
 						"@",
 					},
 				},
-			},
-			slog.Default(),
-		)
+			})

-		numberUpdated, err := changeDetector.RunOnce()
+		numberUpdated, err := changeDetector.DetectAndApplyChanges()
 		if err != nil {
 			t.Errorf("expected no error, got %v", err)
 		}
--- a/pkg/config/mocks/testLoadCanFindFile.yaml
+++ b/pkg/config/mocks/testLoadCanFindFile.yaml
@@ -1,15 +1,16 @@
+---
 ip_provider:
  type: plain
  config:
-    url: https://example.com
+    url: https://ifconfig.me
 dns_provider:
  type: ionos
  config:
-    api_key: exampleapikey
+    api_key: exampleAPIKey
    base_url: https://example.com
 domains:
  - tld: example.com
    subdomains:
      - "@"
-check_interval: 0 0 * * * *
-mode: RunOnce
+      - www
+check_interval: 0 0 0/6 * * * *
--- a/pkg/config/mocks/testLoadInvalidMode.yaml
+++ b/pkg/config/mocks/testLoadInvalidMode.yaml
@@ -1,2 +0,0 @@
-mode: "InvalidMode"
-check_interval: "5m"
--- a/pkg/config/mocks/testLoadInvalidYAML.yaml
+++ b/pkg/config/mocks/testLoadInvalidYAML.yaml
@@ -1,3 +0,0 @@
-mode: "Scheduled"
-check_interval: "5m"
- invalid_content
--- a/pkg/config/mocks/testLoadMissingCheckInterval.yaml
+++ b/pkg/config/mocks/testLoadMissingCheckInterval.yaml
@@ -1,3 +0,0 @@
-mode: "Scheduled"
-ip_provider:
-  type: "plain"
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -1,45 +1,22 @@
 package config

 import (
-	"errors"
-	"fmt"
-	"log/slog"
 	"os"
-	"strings"

 	"gopkg.in/yaml.v3"
 )

+type DomainConfig struct {
+	TLD        string   `yaml:"tld"`
+	Subdomains []string `yaml:"subdomains"`
+}
+
 type Config struct {
-	Mode                 string                     `yaml:"mode"`
 	ExternalIPProvider   ExternalIpProviderConfig   `yaml:"ip_provider"`
 	DNSProvider          DNSProviderConfig          `yaml:"dns_provider"`
 	NotificationProvider NotificationProviderConfig `yaml:"notification_provider,omitempty"`
 	Domains              []DomainConfig             `yaml:"domains"`
 	CheckInterval        string                     `yaml:"check_interval"`
-	LogLevel             string                     `yaml:"log_level"`
-}
-
-const (
-	RunOnceMode   = "RunOnce"
-	ScheduledMode = "Scheduled"
-)
-
-var LogLevelMap = map[string]slog.Level{
-	"debug": slog.LevelDebug,
-	"info":  slog.LevelInfo,
-	"warn":  slog.LevelWarn,
-	"error": slog.LevelError,
-}
-
-func isValidLogLevel(level string) bool {
-	_, ok := LogLevelMap[strings.ToLower(level)]
-	return ok
-}
-
-type DomainConfig struct {
-	TLD        string   `yaml:"tld"`
-	Subdomains []string `yaml:"subdomains"`
 }

 type ExternalIpProviderConfig struct {
@@ -58,34 +35,15 @@ type NotificationProviderConfig struct {
 }

 func (c *Config) Load(filePath string) error {
+	err := yaml.Unmarshal([]byte(filePath), c)
+	if err != nil {
 		inputConfig, err := os.ReadFile(filePath)
 		if err != nil {
-		return fmt.Errorf("failed to read config file: %w", err)
+			return err
 		}

-	if err := yaml.Unmarshal(inputConfig, c); err != nil {
-		return fmt.Errorf("failed to unmarshal config file: %w", err)
+		return yaml.Unmarshal(inputConfig, c)
 	}

-	if err := c.validate(); err != nil {
-		return fmt.Errorf("failed to validate config: %w", err)
-	}
-
-	return nil
-}
-
-func (c *Config) validate() error {
-	if c.Mode != RunOnceMode && c.Mode != ScheduledMode {
-		return errors.New("mode must be one of 'RunOnce' or 'Scheduled'")
-	}
-
-	if c.Mode == ScheduledMode && c.CheckInterval == "" {
-		return errors.New("check interval must be set when mode is 'Scheduled'")
-	}
-
-	if c.LogLevel != "" && !isValidLogLevel(c.LogLevel) {
-		return fmt.Errorf("log level must be one of 'debug', 'info', 'warn', 'error', but got %s", c.LogLevel)
-	}
-
-	return nil
+	return err
 }
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -1,52 +1,69 @@
 package config

 import (
-	"fmt"
 	"testing"
 )

-func testFactoryFileRelatedError(fileName string, expectedErrorText string) func(t *testing.T) {
-	return func(t *testing.T) {
-		c := Config{}
-		err := c.Load(fmt.Sprintf("./__mocks__/%s", fileName))
-
-		want := err != nil && err.Error() == expectedErrorText
-
-		if !want {
-			t.Fatalf("Expected error message %s, but got %s", expectedErrorText, err.Error())
-		}
-	}
-}
-
 func TestLoad(t *testing.T) {
 	t.Run("Can find file", testLoadCanFindFile())
-	t.Run("Cannot find file", testFactoryFileRelatedError(
-		"nonexistent.yaml",
-		"failed to read config file: open ./__mocks__/nonexistent.yaml: no such file or directory",
-	))
-	t.Run("Missing CheckInterval in Scheduled mode", testFactoryFileRelatedError(
-		"testLoadMissingCheckInterval.yaml",
-		"failed to validate config: check interval must be set when mode is 'Scheduled'",
-	))
-	t.Run("Invalid mode", testFactoryFileRelatedError(
-		"testLoadInvalidMode.yaml",
-		"failed to validate config: mode must be one of 'RunOnce' or 'Scheduled'",
-	))
-	t.Run("Invalid YAML", testFactoryFileRelatedError(
-		"testLoadInvalidYAML.yaml",
-		"failed to unmarshal config file: yaml: line 2: did not find expected key",
-	))
+	t.Run("Cannot find file", testLoadCannotFindFile())
+	t.Run("Unmarshals from direct input", testLoadUnmarshalsFromDirectInput())
 }

 func testLoadCanFindFile() func(t *testing.T) {
 	return func(t *testing.T) {
+
 		c := Config{}
 		err := c.Load("./__mocks__/testLoadCanFindFile.yaml")

-		want := err == nil && c.DNSProvider.Type == "ionos" && c.ExternalIPProvider.Type == "plain" && c.Mode == "RunOnce"
+		want := c.DNSProvider.Type == "ionos" && c.ExternalIPProvider.Type == "plain"

 		if !want || err != nil {
-			t.Fatalf("Failed to load config file, expected no errors but got: %s", err)
+			t.Fatalf("DnsProviderName couldn't be properly loaded or unmarshaled, Load() = %v, want %v", err, want)
+		}
+	}
+}
+
+func testLoadCannotFindFile() func(t *testing.T) {
+	return func(t *testing.T) {
+		c := Config{}
+		err := c.Load("nonexistent.yaml")
+		want := err != nil
+
+		if !want {
+			t.Fatalf("Config didn't throw an error")
+		}
+	}
+}
+
+func testLoadUnmarshalsFromDirectInput() func(t *testing.T) {
+	return func(t *testing.T) {
+		c := Config{}
+		err := c.Load(`---
+ip_provider:
+  type: plain
+  config:
+    url: https://ifconfig.me
+dns_provider:
+  type: ionos
+  config:
+    api_key: exampleAPIKey
+    base_url: https://example.com
+notification_provider:
+  type: gotify
+  config:
+    url: https://example.com
+domains:
+  - tld: example.com
+    subdomains:
+      - "@"
+      - www
+check_interval: 0 0 0/6 * * * *`)
+
+		want := c.DNSProvider.Type == "ionos" && c.ExternalIPProvider.Type == "plain" && c.NotificationProvider.Type == "gotify"
+
+		if !want || err != nil {
+			t.Fatalf("DnsProviderName couldn't be properly loaded or unmarshaled, Load() = %v, want %v", err, want)
 		}
 	}
 }
--- a/pkg/dnsProvider/ionos/api/ionosAPI.go
+++ b/pkg/dnsProvider/ionos/api/ionosAPI.go
@@ -0,0 +1,213 @@
+package ionosAPI
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"io"
+	"net"
+	"net/http"
+	"realdnydns/model/common"
+)
+
+/**
+ * Docs: https://developer.hosting.ionos.com/docs/dns
+ */
+type IonosAPI interface {
+	GetARecord(tld string, subdomain string) (*common.ARecord, error)
+	SetARecord(tld string, subdomain string, ip net.IP, ttl int, prio int, disabled bool) (*common.ARecord, error)
+	GetZoneId(tld string) (string, error)
+	GetRecordId(zoneId string, tld string, subdomain string, recordType string) (string, error)
+	HttpCall(method string, url string, body io.Reader) (*http.Response, error)
+}
+
+type IonosAPIImpl struct {
+	APIKey     string
+	BaseURL    string
+	HTTPClient *http.Client
+}
+
+type ZonesResponse []struct {
+	Name string `json:"name"`
+	Id   string `json:"id"`
+	Type string `json:"type"`
+}
+
+type ZoneResponse struct {
+	Id      string           `json:"id"`
+	Name    string           `json:"name"`
+	Type    string           `json:"type"`
+	Records []RecordResponse `json:"records"`
+}
+
+type RecordResponse struct {
+	Id         string `json:"id"`
+	Name       string `json:"name"`
+	RootName   string `json:"rootName"`
+	Type       string `json:"type"`
+	Content    string `json:"content"`
+	ChangeDate string `json:"changeDate"`
+	TTL        int    `json:"ttl"`
+	Prio       int    `json:"prio"`
+	Disabled   bool   `json:"disabled"`
+}
+
+type ChangeRecord struct {
+	Name     string `json:"name"`
+	Type     string `json:"type"`
+	Content  string `json:"content"`
+	TTL      int    `json:"ttl"`
+	Prio     int    `json:"prio"`
+	Disabled bool   `json:"disabled"`
+}
+
+type ChangeRecordRequest struct {
+	Content  string `json:"content"`
+	TTL      int    `json:"ttl"`
+	Prio     int    `json:"prio"`
+	Disabled bool   `json:"disabled"`
+}
+
+func New(APIKey string, BaseURL string) IonosAPI {
+	return &IonosAPIImpl{
+		APIKey:     APIKey,
+		BaseURL:    BaseURL,
+		HTTPClient: &http.Client{},
+	}
+}
+
+func (i *IonosAPIImpl) HttpCall(method string, url string, body io.Reader) (*http.Response, error) {
+	req, err := http.NewRequest(method, i.BaseURL+url, body)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Add("X-API-Key", i.APIKey)
+
+	return i.HTTPClient.Do(req)
+}
+
+func (i *IonosAPIImpl) GetZoneId(tld string) (string, error) {
+	res, err := i.HttpCall("GET", "/v1/zones", nil)
+	if err != nil {
+		return "", err
+	}
+
+	responseBody := make([]byte, res.ContentLength)
+	res.Body.Read(responseBody)
+
+	zones := []ZoneResponse{}
+	json.Unmarshal(responseBody, &zones)
+
+	for _, z := range zones {
+		if z.Name == tld {
+			return z.Id, nil
+		}
+	}
+
+	return "", errors.New("zone not found")
+}
+
+func (i *IonosAPIImpl) GetRecordId(zoneId string, tld string, subdomain string, recordType string) (string, error) {
+	res, err := i.HttpCall("GET", "/v1/zones/"+zoneId, nil)
+	if err != nil {
+		return "", err
+	}
+
+	responseBody := make([]byte, res.ContentLength)
+	res.Body.Read(responseBody)
+
+	zone := ZoneResponse{}
+	json.Unmarshal(responseBody, &zone)
+
+	var domain string
+	if subdomain != "" {
+		domain = subdomain + "." + tld
+	} else {
+		domain = tld
+	}
+
+	for _, record := range zone.Records {
+		if record.Type == recordType && record.Name == domain {
+			return record.Id, nil
+		}
+	}
+
+	return "", errors.New("record not found")
+}
+
+func (i *IonosAPIImpl) SetARecord(tld string, subdomain string, ip net.IP, ttl int, prio int, disabled bool) (*common.ARecord, error) {
+	zoneId, err := i.GetZoneId(tld)
+	if err != nil {
+		return nil, err
+	}
+
+	recordId, err := i.GetRecordId(zoneId, tld, subdomain, "A")
+	if err != nil {
+		return nil, err
+	}
+
+	changeRecordRequest, err := json.Marshal(ChangeRecordRequest{
+		Content:  ip.String(),
+		TTL:      ttl,
+		Prio:     prio,
+		Disabled: false,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := i.HttpCall("PUT", "/v1/zones/"+zoneId+"/records/"+recordId, bytes.NewReader(changeRecordRequest))
+	if err != nil {
+		return nil, err
+	}
+
+	if res.StatusCode != 200 {
+		return nil, errors.New("error updating record")
+	}
+
+	responseBody := make([]byte, res.ContentLength)
+	res.Body.Read(responseBody)
+
+	changeRecord := ChangeRecord{}
+	json.Unmarshal(responseBody, &changeRecord)
+
+	return &common.ARecord{
+		Domain:   changeRecord.Name,
+		IP:       changeRecord.Content,
+		TTL:      changeRecord.TTL,
+		Prio:     changeRecord.Prio,
+		Disabled: changeRecord.Disabled,
+	}, nil
+}
+
+func (ionos *IonosAPIImpl) GetARecord(tld string, subdomain string) (*common.ARecord, error) {
+	zoneId, err := ionos.GetZoneId(tld)
+	if err != nil {
+		return nil, err
+	}
+
+	recordId, err := ionos.GetRecordId(zoneId, tld, subdomain, "A")
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := ionos.HttpCall("GET", "/v1/zones/"+zoneId+"/records/"+recordId, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	responseBody := make([]byte, res.ContentLength)
+	res.Body.Read(responseBody)
+
+	record := RecordResponse{}
+	json.Unmarshal(responseBody, &record)
+
+	return &common.ARecord{
+		Domain:   record.Name,
+		IP:       record.Content,
+		TTL:      record.TTL,
+		Prio:     record.Prio,
+		Disabled: record.Disabled,
+	}, nil
+}
--- a/pkg/dnsProvider/ionos/api/ionosAPI_test.go
+++ b/pkg/dnsProvider/ionos/api/ionosAPI_test.go
@@ -0,0 +1,284 @@
+package ionosAPI
+
+import (
+	"encoding/json"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func utilMockServerImpl() func(w http.ResponseWriter, r *http.Request) {
+	zonesResponse := []ZoneResponse{
+		{
+			Name: "example.com",
+			Id:   "1234567890",
+			Type: "NATIVE",
+		},
+		{
+			Name: "notTheExample.org",
+			Id:   "0987654321",
+			Type: "SLAVE",
+		},
+	}
+	zonesResponseJson, _ := json.Marshal(zonesResponse)
+
+	recordResponseSub := RecordResponse{
+		Id:         "abcdefghij",
+		Name:       "example.com",
+		RootName:   "example.com",
+		Type:       "A",
+		Content:    "127.0.0.1",
+		ChangeDate: "2019-12-09T13:04:25.772Z",
+		TTL:        300,
+		Prio:       0,
+		Disabled:   false,
+	}
+	recordResponseSubJson, _ := json.Marshal(recordResponseSub)
+
+	recordResponseTLD := RecordResponse{
+		Id:         "jihgfedcba",
+		Name:       "sub.example.com",
+		RootName:   "example.com",
+		Type:       "A",
+		Content:    "127.0.0.2",
+		ChangeDate: "2019-12-09T13:04:25.772Z",
+		TTL:        300,
+		Prio:       0,
+		Disabled:   false,
+	}
+	recordResponseTLDJson, _ := json.Marshal(recordResponseTLD)
+
+	zoneResponse := ZoneResponse{
+		Id:   "1234567890",
+		Name: "example.com",
+		Type: "NATIVE",
+		Records: []RecordResponse{
+			recordResponseSub,
+			recordResponseTLD,
+		},
+	}
+	zoneResponseJson, _ := json.Marshal(zoneResponse)
+
+	changeRecord := ChangeRecord{
+		Name:     "sub.example.com",
+		Type:     "A",
+		Content:  "127.0.0.1",
+		TTL:      300,
+		Prio:     0,
+		Disabled: false,
+	}
+	changeRecordJson, _ := json.Marshal(changeRecord)
+
+	return func(w http.ResponseWriter, r *http.Request) {
+		var response []byte
+
+		if r.Method == "GET" {
+			if r.RequestURI == "/v1/zones" {
+				response = zonesResponseJson
+			} else if r.RequestURI == "/v1/zones/1234567890" {
+				response = zoneResponseJson
+			} else if r.RequestURI == "/v1/zones/1234567890/records/abcdefghij" {
+				response = recordResponseSubJson
+			} else if r.RequestURI == "/v1/zones/1234567890/records/jihgfedcba" {
+				response = recordResponseTLDJson
+			}
+		} else if r.Method == "PUT" {
+			response = changeRecordJson
+		} else {
+			response = []byte("404")
+		}
+
+		w.Write(response)
+	}
+}
+
+func TestHttpCall(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(utilMockServerImpl()))
+	defer mockServer.Close()
+
+	ionosAPI := New("dummyKey", mockServer.URL)
+
+	t.Run("returns response for GET request", testHttpCallGet(ionosAPI))
+	t.Run("returns response for PUT request", testHttpCallPut(ionosAPI))
+	t.Run("returns error for non existing endpoint", testHttpCallNonExistingEndpoint())
+}
+
+func testHttpCallGet(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		res, err := api.HttpCall("GET", "/v1/zones", nil)
+
+		if err != nil {
+			t.Fatalf("HttpCall() returned unexpected error: %v", err)
+		}
+
+		if res.StatusCode != 200 {
+			t.Fatalf("HttpCall() returned unexpected status code: %v instead of 200", res.StatusCode)
+		}
+	}
+}
+
+func testHttpCallPut(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		res, err := api.HttpCall("PUT", "/v1/zones/1234567890/records/abcdefghij", nil)
+
+		if err != nil {
+			t.Fatalf("HttpCall() returned unexpected error: %v", err)
+		}
+
+		if res.StatusCode != 200 {
+			t.Fatalf("HttpCall() returned unexpected status code: %v instead of 200", res.StatusCode)
+		}
+	}
+}
+
+func testHttpCallNonExistingEndpoint() func(t *testing.T) {
+	return func(t *testing.T) {
+		mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			w.WriteHeader(404)
+		}))
+		defer mockServer.Close()
+
+		api := New("dummyKey", mockServer.URL)
+
+		res, err := api.HttpCall("GET", "/v1/nonExistingEndpoint", nil)
+
+		if err != nil {
+			t.Fatalf("HttpCall() returned unexpected error: %v", err)
+		}
+
+		if res.StatusCode != 404 {
+			t.Fatalf("HttpCall() returned unexpected status code: %v instead of 404", res.StatusCode)
+		}
+	}
+}
+
+func TestGetZoneId(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(utilMockServerImpl()))
+
+	ionosAPI := New("dummyKey", mockServer.URL)
+
+	t.Run("returns zoneId for tracked domain", testGetZoneIdSuccess(ionosAPI))
+	t.Run("returns error for non tracked domain", testGetZoneIdNoMatch(ionosAPI))
+}
+
+func testGetZoneIdSuccess(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		zoneId, err := api.GetZoneId("example.com")
+
+		if err != nil {
+			t.Fatalf("GetZoneId() returned unexpected error: %v", err)
+		}
+
+		if zoneId != "1234567890" {
+			t.Fatalf("GetZoneId() returned unexpected zoneId: %v instead of 1234567890", zoneId)
+		}
+	}
+}
+
+func testGetZoneIdNoMatch(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		zoneId, err := api.GetZoneId("nonTrackedDomain.com")
+
+		if err == nil || zoneId != "" {
+			t.Fatalf("GetZoneId() did not return an error for a non tracked domain")
+		}
+	}
+}
+
+func TestGetRecordId(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(utilMockServerImpl()))
+	defer mockServer.Close()
+
+	ionosAPI := New("dummyKey", mockServer.URL)
+
+	t.Run("returns zoneId for top level domain", testGetRecordIdForTopLevelDomain(ionosAPI))
+	t.Run("returns zoneId for subdomain", testGetRecordIdForSubdomain(ionosAPI))
+	t.Run("returns error for untracked subdomain", testGetRecordIdWithUntrackedSubdomain(ionosAPI))
+}
+
+func testGetRecordIdForTopLevelDomain(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		recordId, err := api.GetRecordId("1234567890", "example.com", "", "A")
+
+		if err != nil {
+			t.Fatalf("GetZoneId() returned unexpected error: %v", err)
+		}
+
+		if recordId != "abcdefghij" {
+			t.Fatalf("GetZoneId() returned unexpected zoneId: %v instead of abcdefghij", recordId)
+		}
+	}
+}
+
+func testGetRecordIdForSubdomain(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		recordId, err := api.GetRecordId("1234567890", "example.com", "sub", "A")
+
+		if err != nil {
+			t.Fatalf("GetZoneId() returned unexpected error: %v", err)
+		}
+
+		if recordId != "jihgfedcba" {
+			t.Fatalf("GetZoneId() returned unexpected zoneId: %v instead of jihgfedcba", recordId)
+		}
+	}
+}
+
+func testGetRecordIdWithUntrackedSubdomain(api IonosAPI) func(t *testing.T) {
+	return func(t *testing.T) {
+		recordId, err := api.GetRecordId("1234567890", "example.com", "untrackedSub", "A")
+
+		if err == nil && recordId == "" {
+			t.Fatalf("GetZoneId() did not return an error for a non tracked domain")
+		}
+	}
+}
+
+func TestGetARecord(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(utilMockServerImpl()))
+	defer mockServer.Close()
+
+	ionosAPI := New("dummyKey", mockServer.URL)
+
+	t.Run("returns A record for top level domain", testGetARecordFor(ionosAPI, "example.com", ""))
+	t.Run("returns A record for subdomain", testGetARecordFor(ionosAPI, "example.com", "sub"))
+}
+
+func testGetARecordFor(api IonosAPI, tld string, subdomain string) func(t *testing.T) {
+	return func(t *testing.T) {
+		var domain string
+		if subdomain == "" {
+			domain = tld
+		} else {
+			domain = subdomain + "." + tld
+		}
+
+		record, err := api.GetARecord(tld, subdomain)
+
+		if err != nil {
+			t.Fatalf("GetARecord() returned unexpected error: %v", err)
+		}
+
+		if record.Domain != domain {
+			t.Fatalf("GetARecord() returned unexpected record for: %v instead of %v", record.Domain, domain)
+		}
+	}
+}
+
+func TestSetARecord(t *testing.T) {
+	mockServer := httptest.NewServer(http.HandlerFunc(utilMockServerImpl()))
+	defer mockServer.Close()
+
+	ionosAPI := New("dummyKey", mockServer.URL)
+
+	changedARecord, err := ionosAPI.SetARecord("example.com", "sub", net.ParseIP("127.0.0.1"), 300, 0, false)
+
+	if err != nil {
+		t.Fatalf("SetARecord() returned unexpected error: %v", err)
+	}
+
+	if changedARecord.Domain != "sub.example.com" {
+		t.Fatalf("SetARecord() returned unexpected record for: %v instead of sub.example.com", changedARecord.Domain)
+	}
+}
--- a/pkg/dnsProvider/ionos/ionos.go
+++ b/pkg/dnsProvider/ionos/ionos.go
@@ -1,30 +1,20 @@
 package ionosDnsProvider

 import (
-	"context"
 	"errors"
 	"net"
-	"net/http"
 	"realdnydns/model/common"
 	"realdnydns/pkg/dnsProvider"
-	"sync"
-
-	ionosDnsClient "gitea.t000-n.de/t.behrendt/ionosDnsClient"
+	ionosAPI "realdnydns/pkg/dnsProvider/ionos/api"
 )

 type IONOS struct {
-	client         *ionosDnsClient.ClientWithResponses
-	zoneIdMap      map[string]string
-	defaultTtl     int
-	defaultPrio    int
-	zoneIdMapMutex sync.Mutex
+	API ionosAPI.IonosAPI
 }

 type IONOSConfig struct {
 	APIKey  string `yaml:"api_key"`
 	BaseURL string `yaml:"base_url"`
-	DefaultTTL  *int   `yaml:"default_ttl,omitempty"`
-	DefaultPrio *int   `yaml:"default_prio,omitempty"`
 }

 func NewIonos(config *IONOSConfig) (dnsProvider.DNSProvider, error) {
@@ -36,231 +26,15 @@ func NewIonos(config *IONOSConfig) (dnsProvider.DNSProvider, error) {
 		return nil, errors.New("base_url is required")
 	}

-	options := []ionosDnsClient.ClientOption{
-		ionosDnsClient.WithRequestEditorFn(func(ctx context.Context, req *http.Request) error {
-			req.Header.Set("X-API-Key", config.APIKey)
-			return nil
-		}),
-	}
-
-	client, err := ionosDnsClient.NewClientWithResponses(config.BaseURL, options...)
-	if err != nil {
-		return nil, err
-	}
-
-	// Set default values for TTL and Prio if not provided
-	defaultTtl := 300
-	if config.DefaultTTL != nil {
-		defaultTtl = *config.DefaultTTL
-	}
-
-	defaultPrio := 0
-	if config.DefaultPrio != nil {
-		defaultPrio = *config.DefaultPrio
-	}
-
 	return &IONOS{
-		client:      client,
-		zoneIdMap:   make(map[string]string),
-		defaultTtl:  defaultTtl,
-		defaultPrio: defaultPrio,
+		ionosAPI.New(config.APIKey, config.BaseURL),
 	}, nil
 }

-func (i *IONOS) UpdateRecord(tld string, subdomain string, ip net.IP, ttl int, prio int, disabled bool) (*common.ARecord, error) {
-
-	zoneId, err := i.getZoneIdForTld(tld)
-	if err != nil {
-		return nil, err
+func (ionos *IONOS) UpdateRecord(tld string, subdomain string, ip net.IP, ttl int, prio int, disabled bool) (*common.ARecord, error) {
+	return ionos.API.SetARecord(tld, subdomain, ip, ttl, prio, disabled)
 }

-	domain := assembleTldSubdomainToDomain(tld, subdomain)
-	recordId, err := i.getRecordIdForDomain(zoneId, domain)
-	if err != nil {
-		return nil, err
-	}
-
-	ipString := ip.String()
-	res, err := i.client.UpdateRecordWithResponse(context.Background(), zoneId, recordId, ionosDnsClient.RecordUpdate{
-		Content:  &ipString,
-		Ttl:      &ttl,
-		Prio:     &prio,
-		Disabled: &disabled,
-	})
-	if err != nil || res.StatusCode() != 200 {
-		return nil, errors.New("failed to update record")
-	}
-
-	if res.JSON200 == nil {
-		return nil, errors.New("record response is empty")
-	}
-
-	record := *res.JSON200
-	if record.Name == nil || record.Content == nil {
-		return nil, errors.New("record is empty")
-	}
-
-	// Handle optional fields with defaults
-	recordTtl := 0
-	if record.Ttl != nil {
-		recordTtl = *record.Ttl
-	}
-
-	recordPrio := 0
-	if record.Prio != nil {
-		recordPrio = *record.Prio
-	}
-
-	recordDisabled := false
-	if record.Disabled != nil {
-		recordDisabled = *record.Disabled
-	}
-
-	return &common.ARecord{
-		Domain:   *record.Name,
-		IP:       *record.Content,
-		TTL:      recordTtl,
-		Prio:     recordPrio,
-		Disabled: recordDisabled,
-	}, nil
-}
-
-func (i *IONOS) getZoneIdForTld(tld string) (string, error) {
-	i.zoneIdMapMutex.Lock()
-	defer i.zoneIdMapMutex.Unlock()
-	if zoneId, ok := i.zoneIdMap[tld]; ok {
-		return zoneId, nil
-	}
-
-	res, err := i.client.GetZonesWithResponse(context.Background())
-	if err != nil {
-		return "", err
-	} else if res.StatusCode() != 200 {
-		return "", errors.New("failed to get zones")
-	}
-
-	if res.JSON200 == nil {
-		return "", errors.New("zones response is empty")
-	}
-
-	zones := *res.JSON200
-
-	for _, zone := range zones {
-		if *zone.Name == tld {
-			if zone.Id == nil || *zone.Id == "" {
-				return "", errors.New("zone id is empty")
-			}
-
-			i.zoneIdMap[tld] = *zone.Id
-			return *zone.Id, nil
-		}
-	}
-
-	return "", errors.New("no zone found")
-}
-
-var recordTypeA = "A"
-
-func assembleTldSubdomainToDomain(tld string, subdomain string) string {
-	if subdomain == "@" || subdomain == "" {
-		return tld
-	}
-	return subdomain + "." + tld
-}
-
-func (i *IONOS) getRecordIdForDomain(zoneId string, domain string) (string, error) {
-	res, err := i.client.GetZoneWithResponse(context.Background(), zoneId, &ionosDnsClient.GetZoneParams{
-		RecordName: &domain,
-		RecordType: &recordTypeA,
-	})
-	if err != nil || res.StatusCode() != 200 {
-		return "", errors.New("failed to get zone")
-	}
-
-	if res.JSON200 == nil {
-		return "", errors.New("zone response is empty")
-	}
-
-	zone := *res.JSON200
-
-	for _, record := range *zone.Records {
-		if *record.Name == domain && *record.Type == ionosDnsClient.RecordTypes("A") {
-			return *record.Id, nil
-		}
-	}
-
-	return "", errors.New("no record found")
-}
-
-func (i *IONOS) GetRecord(tld string, subdomain string) (*common.ARecord, error) {
-	zoneId, err := i.getZoneIdForTld(tld)
-	if err != nil {
-		return nil, err
-	}
-
-	domain := assembleTldSubdomainToDomain(tld, subdomain)
-	recordId, err := i.getRecordIdForDomain(zoneId, domain)
-	if err != nil {
-		return nil, err
-	}
-
-	res, err := i.client.GetRecordWithResponse(context.Background(), zoneId, recordId)
-	if err != nil || res.StatusCode() != 200 || res.JSON200 == nil {
-		return nil, errors.New("failed to get record")
-	}
-
-	record := *res.JSON200
-
-	if record.Name == nil || *record.Name == "" || *record.Name != domain {
-		return nil, errors.New("record name does not match or is empty")
-	}
-
-	if record.Content == nil || *record.Content == "" {
-		return nil, errors.New("record content is empty")
-	}
-
-	needsUpdate := false
-
-	ttl := i.defaultTtl
-	if record.Ttl != nil {
-		ttl = *record.Ttl
-	} else {
-		needsUpdate = true
-	}
-
-	prio := i.defaultPrio
-	if record.Prio != nil {
-		prio = *record.Prio
-	} else {
-		needsUpdate = true
-	}
-
-	disabled := false
-	if record.Disabled != nil {
-		disabled = *record.Disabled
-	} else {
-		needsUpdate = true
-	}
-
-	// realDynDns requires every field to be set, so we need to update the record if any of the fields are missing
-	if needsUpdate {
-		ip := net.ParseIP(*record.Content)
-		if ip == nil {
-			return nil, errors.New("invalid IP address in record content")
-		}
-
-		updatedRecord, err := i.UpdateRecord(tld, subdomain, ip, ttl, prio, disabled)
-		if err != nil {
-			return nil, err
-		}
-		return updatedRecord, nil
-	}
-
-	return &common.ARecord{
-		Domain:   *record.Name,
-		IP:       *record.Content,
-		TTL:      ttl,
-		Prio:     prio,
-		Disabled: disabled,
-	}, nil
+func (ionos *IONOS) GetRecord(tld string, subdomain string) (*common.ARecord, error) {
+	return ionos.API.GetARecord(tld, subdomain)
 }
--- a/pkg/dnsProvider/ionos/ionos_test.go
+++ b/pkg/dnsProvider/ionos/ionos_test.go
--- a/pkg/externalIpProvider/plain/plain.go
+++ b/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)
-	res.Body.Close()
-	if err != nil {
-		return nil, err
-	}
+	responseBody := make([]byte, res.ContentLength)
+	res.Body.Read(responseBody)
+	defer res.Body.Close()

 	parsedIp := net.ParseIP(string(responseBody))
 	if parsedIp == nil {
--- a/pkg/notificationProvider/gotify/gotify.go
+++ b/pkg/notificationProvider/gotify/gotify.go
@@ -64,10 +64,8 @@ func (p *NotificationProviderImplGotify) SendNotification(title string, message
 	}

 	messageUrl := p.Url
-	messageUrl = *messageUrl.JoinPath("message")
-	queryParams := messageUrl.Query()
-	queryParams.Add("token", p.Token)
-	messageUrl.RawQuery = queryParams.Encode()
+	messageUrl.JoinPath("message")
+	messageUrl.Query().Add("token", p.Token)

 	req, err := http.NewRequest("POST", messageUrl.String(), bytes.NewBuffer(messageJson))
 	if err != nil {
--- a/pkg/realDynDns/realDynDns.go
+++ b/pkg/realDynDns/realDynDns.go
@@ -1,152 +0,0 @@
-package realDynDns
-
-import (
-	"fmt"
-	"log/slog"
-	"sync"
-	"time"
-
-	"realdnydns/pkg/config"
-	"realdnydns/pkg/dnsProvider"
-	"realdnydns/pkg/externalIpProvider"
-	"realdnydns/pkg/notificationProvider"
-
-	"github.com/go-co-op/gocron"
-)
-
-type ChangeDetector struct {
-	externalIpProvider   externalIpProvider.ExternalIpProvider
-	dnsProvider          dnsProvider.DNSProvider
-	notificationProvider notificationProvider.NotificationProvider
-	domains              []config.DomainConfig
-	logger               *slog.Logger
-}
-
-func New(
-	externalIpProvider externalIpProvider.ExternalIpProvider,
-	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,
-	}
-}
-
-func (c *ChangeDetector) RunWithSchedule(checkInterval string) (*gocron.Scheduler, *gocron.Job, error) {
-	s := gocron.NewScheduler(time.UTC)
-	s.SingletonMode()
-	s.CronWithSeconds(checkInterval)
-
-	job, err := s.DoWithJobDetails(func(job gocron.Job) {
-		numberChanged, err := c.detectAndApplyChanges()
-		if err != nil {
-			panic(err)
-		}
-		fmt.Printf("Number of changes: %d\n", numberChanged)
-		fmt.Println("Next run:", job.NextRun())
-	})
-	if err != nil {
-		return nil, nil, err
-	}
-
-	return s, job, nil
-}
-
-func (c *ChangeDetector) RunOnce() (int, error) {
-	return c.detectAndApplyChanges()
-}
-
-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
-
-	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",
-						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",
-							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)
-					if err != nil {
-						c.logger.Error("Failed to update record",
-							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
-}
--- a/renovate.json
+++ b/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"
-      ]
-    }
-  ]
-}
Author	SHA1	Message	Date
t.behrendt	62be0d3539	Merge branch 'main' into chore-cleanup All checks were successful CI / test (pull_request) Successful in 38s Details	2024-08-11 12:14:48 +02:00
t.behrendt	eac2c16d70	Merge branch 'main' into chore-cleanup All checks were successful CI / test (pull_request) Successful in 1m48s Details	2024-08-11 12:04:18 +02:00
Timo Behrendt	d3c823b239	fix: catch error when externalIpProvider cannot be created All checks were successful CI / test (pull_request) Successful in 2m26s Details	2024-08-11 10:13:38 +02:00
Timo Behrendt	3d19f2c93e	chore: add config.yaml to .gitignore	2024-08-11 10:13:17 +02:00