From 59c23a9132078b0577c7dc953c8243b69a451b42 Mon Sep 17 00:00:00 2001
From: xdrm-brackets <doowap31@gmail.com>
Date: Wed, 29 Nov 2017 07:17:48 -0500
Subject: [PATCH] ws.server@.service: service to launch the .jar websocket
 server and restart it on fail/stop + install.sh: installs the service into
 'systemd' + uninstall.sh: uninstalls all from 'systemd'

---
 install.sh         | 14 ++++++++++++++
 uninstall.sh       | 11 +++++++++++
 ws.server@.service | 12 ++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 install.sh
 create mode 100644 uninstall.sh
 create mode 100755 ws.server@.service

diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..c5a7c41
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+
+# (1) Copy the systemd service file
+sudo cp /opt/ws.server/ws.server@.service /lib/systemd/system/ws.server@.service;
+
+# Note: cannot create a symlink, it will be too much link level
+#sudo ln -s /opt/ws.server/ws.server@.service /lib/systemd/system/ws.server@.service;
+
+# (2) Reload systemctl daemon to manage the new service
+sudo systemctl daemon-reload;
+
+# (3) Enable /opt/ws.server/ndli1718.jar to be executed at startup + restart on fail
+sudo systemctl enable ws.server@ndli1718.service;
diff --git a/uninstall.sh b/uninstall.sh
new file mode 100644
index 0000000..04e7cec
--- /dev/null
+++ b/uninstall.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+
+# (1) disable /opt/ws.server/ndli1718.jar
+sudo systemctl disable ws.server@ndli1718.service;
+
+# (2) Remove the service from systemd
+sudo rm /lib/systemd/system/ws.server@.service;
+
+# (3) Reload systemctl
+sudo systemctl daemon-reload;
diff --git a/ws.server@.service b/ws.server@.service
new file mode 100755
index 0000000..cbd9795
--- /dev/null
+++ b/ws.server@.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=WebSocket Server [%i]
+Before=network-pre.target
+Wants=network-pre.target
+
+[Service]
+Type=simple
+Restart=always
+ExecStart=/usr/bin/env java -jar /opt/ws.server/%i.jar
+
+[Install]
+WantedBy=multi-user.target