From 5e634d62d599c60a34f405e26ef0c3037e9a37a3 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 25 Oct 2015 12:09:29 +0100
Subject: o Experimenting with grunt.

---
 README.md                            | 20 ++++++++++++++++++++
 gulpfile.js                          | 27 +++++++++++++++++++++++++--
 src/DillerConfig.js                  |  3 +++
 src/web/DillerWeb.js                 |  3 +--
 systemd/.gitignore                   |  1 +
 systemd/diller-mqtt.template.service | 13 +++++++++++++
 systemd/diller-web.template.service  | 13 +++++++++++++
 7 files changed, 76 insertions(+), 4 deletions(-)
 create mode 100644 systemd/.gitignore
 create mode 100644 systemd/diller-mqtt.template.service
 create mode 100644 systemd/diller-web.template.service

diff --git a/README.md b/README.md
index 387098c..aada0ac 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,26 @@ Run Diller:
 
 This assumes that you have `gulp` installed globally. If you don't you can run `./node_modules/.bin/gulp`.
 
+## Installing services under Systemd
+
+Generate service configuration:
+
+    grunt gen-systemd
+
+Install services
+
+    sudo ln -s `pwd`/systemd/diller-mqtt.service /etc/systemd/system
+    sudo ln -s `pwd`/systemd/diller-web.service /etc/systemd/system
+    sudo systemctl --system daemon-reload
+    
+Start daemons
+    
+    sudo systemctl start diller-mqtt
+    sudo systemctl start diller-web
+    
+    sudo systemctl status diller-mqtt
+    sudo systemctl status diller-web
+
 # MQTT topics
 
     /diller
diff --git a/gulpfile.js b/gulpfile.js
index ae66565..724a0b1 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -2,7 +2,9 @@ var gulp = require('gulp-help')(require('gulp'));
 var bower = require('gulp-bower');
 var nodemon = require('gulp-nodemon');
 var path = require('path');
-var spawn = require('child_process').spawn
+var fs = require('fs');
+var spawn = require('child_process').spawn;
+var _ = require('lodash');
 
 gulp.task('bower', function () {
   return bower()
@@ -19,7 +21,6 @@ function readable(state, daemon) {
     '--color'
   ]);
 
-  //console.log('bunyan', bunyan);
   bunyan.stdout.pipe(process.stdout);
   bunyan.stderr.pipe(process.stderr);
 
@@ -72,4 +73,26 @@ gulp.task('diller-web', ['bower'], function () {
   });
 });
 
+gulp.task('gen-systemd', function () {
+  var config = {
+    WorkingDirectory: process.cwd(),
+    User: process.env.USER,
+    Group: process.env.USER,
+    NODE_ENV: 'prod'
+  };
+
+  function gen(inPath, outPath) {
+    var content = '' + fs.readFileSync(inPath);
+
+    _.each(config, function (value, key) {
+      content = content.replace('%' + key + '%', value);
+    });
+
+    fs.writeFileSync(outPath, content);
+  }
+
+  gen('systemd/diller-mqtt.template.service', 'systemd/diller-mqtt.service');
+  gen('systemd/diller-web.template.service', 'systemd/diller-web.service');
+});
+
 gulp.task('default', ['bower']);
diff --git a/src/DillerConfig.js b/src/DillerConfig.js
index 652561a..81ff046 100644
--- a/src/DillerConfig.js
+++ b/src/DillerConfig.js
@@ -53,11 +53,14 @@ function configureLogging(app) {
 }
 
 function DillerConfig() {
+  var httpPort = process.env.HTTP_PORT || 8080;
+
   return {
     isProd: isProd,
     updateDillerRpc: !isProd(),
     mqttUrl: mqttUrl,
     postgresqlConfig: postgresqlConfig,
+    httpPort: httpPort,
     configureLogging: configureLogging,
     log: function () {
       return log;
diff --git a/src/web/DillerWeb.js b/src/web/DillerWeb.js
index a5bdf6b..c261af7 100644
--- a/src/web/DillerWeb.js
+++ b/src/web/DillerWeb.js
@@ -105,8 +105,7 @@ function DillerWeb(diller, db, config) {
   }
 
   function listen() {
-    var port = process.env.HTTP_PORT || 8080;
-    app.listen(port);
+    app.listen(config.httpPort);
   }
 
   function generateRpc() {
diff --git a/systemd/.gitignore b/systemd/.gitignore
new file mode 100644
index 0000000..0e3ad1b
--- /dev/null
+++ b/systemd/.gitignore
@@ -0,0 +1 @@
+*.service
diff --git a/systemd/diller-mqtt.template.service b/systemd/diller-mqtt.template.service
new file mode 100644
index 0000000..30bd78f
--- /dev/null
+++ b/systemd/diller-mqtt.template.service
@@ -0,0 +1,13 @@
+[Service]
+ExecStart=/usr/bin/nodejs diller-mqtt.js
+WorkingDirectory=%WorkingDirectory%
+Restart=always
+StandardOutput=syslog
+StandardError=syslog
+SyslogIdentifier=diller
+User=%User%
+Group=%Group%
+Environment=NODE_ENV=%NODE_ENV%
+
+[Install]
+WantedBy=multi-user.target
diff --git a/systemd/diller-web.template.service b/systemd/diller-web.template.service
new file mode 100644
index 0000000..ad48fa5
--- /dev/null
+++ b/systemd/diller-web.template.service
@@ -0,0 +1,13 @@
+[Service]
+ExecStart=/usr/bin/nodejs diller-web.js
+WorkingDirectory=%WorkingDirectory%
+Restart=always
+StandardOutput=syslog
+StandardError=syslog
+SyslogIdentifier=diller
+User=%User%
+Group=%Group%
+Environment=NODE_ENV=%NODE_ENV% HTTP_PORT=1337
+
+[Install]
+WantedBy=multi-user.target
-- 
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