daemon.upstart.erb
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daemon.upstart.erb
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	# Prometheus <%= @name %> (Upstart unit)
	description "Prometheus <%= @name %>"
	start on runlevel [2345]
	stop on runlevel [06]

	env DAEMON=<%= @bin_dir %>/<%= @name %>
	env USER=<%= @user %>
	env GROUP=<%= @group %>
	env DEFAULTS=/etc/default/<%= @name %>
	env RUNDIR=/var/run/<%= @name %>
	env PID_FILE=/var/run/<%= @name %>/<%= @name %>.pid
	pre-start script
	[ -e $DEFAULTS ] && . $DEFAULTS

	mkdir -p $RUNDIR \|\| true
	chmod 0750 $RUNDIR \|\| true
	chown $USER:$GROUP $RUNDIR \|\| true
	end script

	script
	# read settings like GOMAXPROCS from "/etc/default/<%= @name %>", if available.
	[ -e $DEFAULTS ] && . $DEFAULTS

	export GOMAXPROCS=${GOMAXPROCS:-2}
	<%- require 'shellwords' -%>
	exec start-stop-daemon -c $USER -g $GROUP -p $PID_FILE -x $DAEMON -S -- <% for option in Shellwords.split(@options) %> \
	<%= option -%>
	<% end %>

	end script

	respawn
	respawn limit 10 10
	kill timeout 10