feat: add versioning to release

Author: zeidlitz

.github/workflows/build.yaml

@@ -26,4 +26,6 @@ jobs:
       - name: Build binary
         run: |
           echo "Building for ${{ matrix.goarch }}"
-          GOOS=linux GOARCH=${{ matrix.goarch }} go build -o observer-${{ matrix.goarch }} .
+          GOOS=linux GOARCH=${{ matrix.goarch }} go build \
+          -ldflags "-X github.com/dhtech/observer/main.Version=${{ github.ref_name }}" \
+          -o observer-${{ matrix.goarch }} .

.github/workflows/release.yaml

@@ -23,7 +23,9 @@ jobs:
       - name: Build binary
         run: |
           echo "Building for ${{ matrix.goarch }}"
-          GOOS=linux GOARCH=${{ matrix.goarch }} go build -o observer-${{ matrix.goarch }} .
+          GOOS=linux GOARCH=${{ matrix.goarch }} go build \
+          -ldflags "-X github.com/dhtech/observer/main.Version=${{ github.ref_name }}" \
+          -o observer-${{ matrix.goarch }} .
 
       - name: Package artifacts
         run: |

main.go

@@ -28,7 +28,10 @@ var (
 	hostPort    int
 )
 
+var Version = "0-development"
+
 func main() {
+	slog.Info("running", "version", Version)
 	flag.StringVar(&iface, "interface", "", "Interface to operate on")
 	flag.StringVar(&icmpTargets, "icmp-targets", "", "Comma sepperated list with ICMP targets")
 	flag.IntVar(&icmpCount, "icmp-count", 3, "ICMP count")