aboutsummaryrefslogtreecommitdiffstats
path: root/main/lxc/lxc.initd
blob: 1b348894d40fa3c3aa70ebf82e60053211a498df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
#!/sbin/runscript
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/lxc/files/lxc.initd.2,v 1.5 2012/07/21 05:07:15 flameeyes Exp $

CONTAINER=${SVCNAME#*.}
command="/usr/bin/lxc-start"
pidfile="/var/run/lxc/$CONTAINER.pid"
extra_started_commands="reboot"

depend() {
	need localmount
	after firewall net
}

lxc_get_configfile() {
	local i
	for i in /var/lib/lxc/${CONTAINER}/config \
			/etc/lxc/${CONTAINER}.conf \
			/etc/lxc/${CONTAINER}/config; do
		if [ -f "$i" ]; then
			echo "$i"
			return 0
		fi
	done
	eerror "Unable to find a suitable configuration file."
	eerror "If you set up the container in a non-standard"
	eerror "location, please set the CONFIGFILE variable."
	return 1
}

lxc_get_var() {
	awk 'BEGIN { FS="[ \t]*=[ \t]*" } $1 == "'$1'" { print $2; exit }' ${CONFIGFILE}
}

checkconfig() {
	if [ ${CONTAINER} = ${SVCNAME} ]; then
		eerror "You have to create an init script for each container:"
		eerror " ln -s lxc /etc/init.d/lxc.container"
		return 1
	fi
	CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)}

	# no need to output anything, the function takes care of that.
	[ -z "${CONFIGFILE}" ] && return 1

	utsname=$(lxc_get_var lxc.utsname)
	if [ "${CONTAINER}" != "${utsname}" ]; then
	    eerror "You should use the same name for the service and the"
	    eerror "lxc.utsname. Right now the lxc.utsname is set to ${utsname}"
	    return 1
	fi
}

start() {
	checkconfig || return 1
	rm -f /var/log/lxc/${CONTAINER}.log

	rootpath=$(lxc_get_var lxc.rootfs)
	checkpath -d ${pidfile%/*}
	ebegin "Starting container ${CONTAINER}"
	start-stop-daemon --start $command \
		--pidfile $pidfile \
		-- \
		--daemon \
		--pidfile $pidfile \
		--name ${CONTAINER} \
		--rcfile ${CONFIGFILE} \
		--logpriority WARN \
		--logfile /var/log/lxc/${CONTAINER}.log \
		|| eend $? || return $?
	lxc-wait -n ${CONTAINER} -t 5 -s RUNNING
	eend $?
}

stop() {
	checkconfig || return 1

	ebegin "Stopping container ${CONTAINER}"
	start-stop-daemon --stop --pidfile ${pidfile} \
		--retry ${POWEROFF_SIGNAL:-SIGUSR2}/${TIMEOUT:-30} \
		--progress
	eend $?
}

reboot() {
	checkconfig || return 1
	ebegin "Sending reboot signal to container $CONTAINER"
	start-stop-daemon --signal ${RESTART_SIG:-SIGTERM} \
		--pidfile ${pidfile}
	eend $?
}