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@@ -22,3 +22,4 @@ jobs: | |
| uses: actions/checkout@v2 | ||
| - name: CI Tasks | ||
| run: make ci | ||
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| name: Create and publish the Docker image | ||
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| on: | ||
| push: | ||
| tags: ['v*'] | ||
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| env: | ||
| REGISTRY: ghcr.io | ||
| IMAGE_NAME: ${{ github.repository }} | ||
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| jobs: | ||
| build-and-push-image: | ||
| runs-on: ubuntu-latest | ||
| permissions: | ||
| contents: read | ||
| packages: write | ||
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| steps: | ||
| - name: Checkout repository | ||
| uses: actions/checkout@v3 | ||
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| - name: Set up Docker Buildx | ||
| id: buildx | ||
| uses: docker/setup-buildx-action@v1 | ||
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| - name: Log in to the Container registry | ||
| uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9 | ||
| with: | ||
| registry: ${{ env.REGISTRY }} | ||
| username: ${{ github.actor }} | ||
| password: ${{ secrets.GITHUB_TOKEN }} | ||
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| - name: Extract metadata (tags, labels) for Docker | ||
| id: meta | ||
| uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38 | ||
| with: | ||
| images: | | ||
| ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest | ||
| ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }} | ||
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| - name: Build and push Docker image | ||
| uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc | ||
| with: | ||
| context: . | ||
| platforms: linux/amd64,linux/arm/v7 | ||
| file: ./build/package/Dockerfile | ||
| push: true | ||
| tags: ${{ steps.meta.outputs.tags }} | ||
| labels: ${{ steps.meta.outputs.labels }} |
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| # build stage | ||
| FROM golang:1.18.1-alpine3.15 as build-stage | ||
| WORKDIR /app | ||
| COPY . . | ||
| RUN CGO_ENABLED=0 go build -o /dyndns-docker ./cmd/dyndns-netcup-docker/main.go | ||
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| # production stage | ||
| LABEL org.opencontainers.image.source https://github.com/Hentra/dyndns-netcup-go | ||
| FROM alpine:latest | ||
| RUN mkdir /cache/ | ||
| COPY --from=build-stage /dyndns-docker /dyndns-docker | ||
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| ENTRYPOINT ["/dyndns-docker"] | ||
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| package main | ||
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| import ( | ||
| "log" | ||
| "os" | ||
| "strconv" | ||
| "time" | ||
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| "github.com/Hentra/dyndns-netcup-go/internal" | ||
| ) | ||
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| const ( | ||
| configFileLocation = "/config.yml" | ||
| ipCacheLocation = "/ipcache" | ||
| defaultInterval = time.Minute | ||
| intervalEnv = "INTERVAL" | ||
| ) | ||
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| func main() { | ||
| interval, err := parseEnv() | ||
| if err != nil { | ||
| log.Fatal("Could not parse interval: ", err) | ||
| } | ||
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| logger := internal.NewLogger(true) | ||
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| config, err := internal.LoadConfig(configFileLocation) | ||
| if err != nil { | ||
| logger.Error("Error loading config file. Make sure a config file is mounted to ", configFileLocation, ":", err) | ||
| } | ||
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| config.IPCache = ipCacheLocation | ||
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| cache, err := internal.NewCache(config.IPCache, time.Second*time.Duration(config.IPCacheTimeout)) | ||
| if err != nil { | ||
| logger.Error(err) | ||
| } | ||
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| configurator := internal.NewDNSConfigurator(config, cache, logger) | ||
| for { | ||
| logger.Info("configure DNS records") | ||
| configurator.Configure() | ||
| time.Sleep(interval) | ||
| } | ||
| } | ||
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| func parseEnv() (time.Duration, error) { | ||
| intervalTime := defaultInterval | ||
| if interval, exists := os.LookupEnv(intervalEnv); exists { | ||
| intervalSeconds, err := strconv.Atoi(interval) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
| intervalTime = time.Duration(intervalSeconds) * time.Second | ||
| } | ||
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| return intervalTime, nil | ||
| } |