systemd support added

Makefile

@@ -0,0 +1,14 @@
+UID=1000
+GID=1000
+SERVICE_PATH="/etc/systemd/system"
+
+help:
+	@echo "make install (with root priviliges) - to install service"
+	@echo "make start (with root priviliges) - to start service"
+	@echo "make enable (with root priviliges) - to enable service on boot"
+install:
+	python __install__.py $(UID) $(GID) $(SERVICE_PATH)
+start:
+	systemctl start powerplug.service
+enable:
+	systemctl enable powerplug.service

__install__.py

@@ -0,0 +1,40 @@
+#!/bin/python
+#
+import os
+import sys
+
+SERVICE_FILE = """
+[Unit]
+Description=Powerplug Service
+After=mosquitto.target
+[Service]
+User=%(UID)d
+Group=%(GID)d
+ExecStart=%(MY_PATH)s/powerplug.sh
+Type=simple
+[Install]
+WantedBy=default.target
+"""
+
+
+def help():
+    print("Usage: prog <UID> <GID> <TARGET_PATH>")
+
+if __name__ == "__main__":
+    if len(sys.argv) == 4:
+        try:
+            uid = int(sys.argv[1])
+            gid = int(sys.argv[2])
+        except ValueError:
+            help()
+        else:
+            if os.path.isdir(sys.argv[3]):
+                with open(os.path.join(sys.argv[3], 'powerplug.service'), "w") as fh:
+                    fh.write(SERVICE_FILE % {
+                        "MY_PATH": os.path.dirname(os.path.abspath(__file__)),
+                        "UID": uid,
+                        "GID": gid})
+            else:
+                help()
+    else:
+        help()

powerplug.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+#
+BASEPATH=`dirname $0`
+$BASEPATH/venv/bin/python $BASEPATH/powerplug.py