add systemd setup

.github/workflows/go.yml

@@ -29,7 +29,17 @@ jobs:
         run: go build -ldflags "-X main.release=${{ steps.vars.outputs.tag }} -v"
 
       - name: Make debian build directory
-        run: mkdir -p {debian/DEBIAN/,debian/usr/bin/}
+        run: mkdir -p {debian/DEBIAN/,debian/usr/bin/,debian/lib/systemd/system/,debian/etc/default/}
+
+      - name: Copy service file
+        run: cp birdrs.service debian/lib/systemd/system/birdrs.service
+
+      - name: Copy env defaults
+        run: |
+          echo "# Default settings for birdrs
+          # Options to pass to birdrs
+          BIRDRS_OPTS=""
+          " > debian/etc/default/birdrs
 
       - name: Copy binary
         run: cp birdrs debian/usr/bin/

birdrs.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=SSH route server for BIRD
+After=network.target
+
+[Service]
+EnvironmentFile=-/etc/default/birdrs
+ExecStart=/usr/bin/birdrs $BIRDRS_OPTS
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=process
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target