uses systemd instead of upstart for later versions of ubuntu

recipes/default.rb

@@ -1,6 +1,8 @@
 # install monit
 package 'monit'
 
+use_systemd = node['platform_version'].to_f >= 15.10
+
 # update the main monit configuration file
 template "/etc/monit/monitrc" do
   owner "root"
@@ -19,15 +21,6 @@
   #  /etc/init.d/monit stop
 end
 
-# Use upstart to manage monit
-template '/etc/init/monit.conf' do
-  owner "root"
-  group "root"
-  mode "0644"
-  source "monit-upstart.conf.erb"
-  notifies :run, "execute[restart-monit]", :immediately
-end
-
 # allow monit to startup
 template '/etc/default/monit' do
   owner "root"
@@ -37,8 +30,38 @@
   notifies :run, "execute[restart-monit]", :immediately
 end
 
-execute "restart-monit" do
-  command "initctl reload-configuration"
-  command "monit reload"
-  action :nothing
+if use_systemd
+  # Use upstart to manage monit
+  template '/lib/systemd/system/monit.service' do
+    owner "root"
+    group "root"
+    mode "0644"
+    source "monit-systemd.conf.erb"
+    notifies :run, "execute[enable-monit]", :immediately
+    notifies :run, "execute[restart-monit]", :immediately
+  end
+  execute "enable-monit" do
+    command "systemctl enable monit.service"
+    action :nothing
+  end
+  execute "restart-monit" do
+    command "systemctl reload monit.service"
+    action :nothing
+  end
+else
+  # Use upstart to manage monit
+  template '/etc/init/monit.conf' do
+    owner "root"
+    group "root"
+    mode "0644"
+    source "monit-upstart.conf.erb"
+    notifies :run, "execute[restart-monit]", :immediately
+  end
+
+  execute "restart-monit" do
+    command "initctl reload-configuration"
+    command "monit reload"
+    action :nothing
+  end
+
 end

templates/default/monit-systemd.conf.erb

@@ -0,0 +1,31 @@
+# This file is systemd template for monit service. To
+# register monit with systemd, place the monit.service file
+# to the /lib/systemd/system/ directory and then start it
+# using systemctl (see bellow).
+#
+# Enable monit to start on boot:
+#         systemctl enable monit.service
+#
+# Start monit immediately:
+#         systemctl start monit.service
+#
+# Stop monit:
+#         systemctl stop monit.service
+#
+# Status:
+#         systemctl status monit.service
+
+[Unit]
+Description=Pro-active monitoring utility for unix systems
+After=network.target
+
+[Service]
+Type=simple
+KillMode=process
+ExecStart=/usr/bin/monit -I
+ExecStop=/usr/bin/monit quit
+ExecReload=/usr/bin/monit reload
+Restart = on-abnormal
+
+[Install]
+WantedBy=multi-user.target