blob: 58ab6414e2ae4f7705338c5dba2c052f238047d6 (
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#!/sbin/openrc-run
# 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 $
extra_started_commands="reboot"
description="Linux Containers (LXC)"
description_reboot="Reboot containers"
CONTAINER=${SVCNAME#*.}
: ${lxc_group:=$LXC_GROUP}
: ${systemd_container:=no}
: ${logdir:=/var/log/lxc}
command="/usr/bin/lxc-start"
pidfile="/var/run/lxc/$CONTAINER.pid"
depend() {
need localmount sysfs
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} = ${SVCNAME} ]; then
CONTAINER=
return 0
fi
CONFIGFILE=${CONFIGFILE:-$(lxc_get_configfile)}
# no need to output anything, the function takes care of that.
[ -z "${CONFIGFILE}" ] && return 1
utsname=$(lxc_get_var lxc.uts.name)
if [ "${CONTAINER}" != "${utsname}" ]; then
eerror "You should use the same name for the service and the"
eerror "lxc.uts.name : Right now the lxc.uts.name is set to : ${utsname}"
return 1
fi
}
systemd_ctr() {
local cmd="$1"
# Required for lxc-console and services inside systemd containers.
local cgroup=/sys/fs/cgroup/systemd
local mnt_opts='rw,nosuid,nodev,noexec,relatime,none,name=systemd'
case "$cmd" in
mount)
checkpath -d $cgroup
if ! mount | grep $cgroup >/dev/null; then
mount -t cgroup -o $mnt_opts cgroup $cgroup
fi
;;
unmount)
if mount | grep $cgroup >/dev/null; then
umount $cgroup
fi
;;
esac
}
_autostart() {
ebegin "$1 LXC containers"
shift
lxc-autostart --group "$lxc_group" "$@"
eend $?
}
start() {
checkconfig || return 1
if yesno "$systemd_container"; then
systemd_ctr mount
fi
if [ -z "$CONTAINER" ]; then
_autostart "Starting"
return
fi
rm -f "$logdir"/${CONTAINER}.log
rootpath=$(lxc_get_var lxc.rootfs.path)
# verify that container is not on tmpfs
dev=$(df -P "${rootpath}" | awk '{d=$1}; END {print d}')
type=$(awk -v dev="$dev" '$1 == dev {m=$3}; END {print m}' /proc/mounts)
if [ "$type" = tmpfs ] && ! yesno "$ALLOW_TMPFS"; then
eerror "${rootpath} is on tmpfs and ALLOW_TMPFS is not set"
return 1
fi
checkpath -d -m 750 -o root:wheel $logdir
checkpath -d ${pidfile%/*}
ebegin "Starting container ${CONTAINER}"
start-stop-daemon --start $command \
--pidfile $pidfile \
-- \
--daemon \
--pidfile $pidfile \
--name ${CONTAINER} \
--rcfile ${CONFIGFILE} \
--logpriority WARN \
--logfile $logdir/${CONTAINER}.log \
|| eend $? || return $?
lxc-wait -n ${CONTAINER} -t 5 -s RUNNING
eend $?
}
stop() {
checkconfig || return 1
systemd_ctr unmount
if [ -z "$CONTAINER" ]; then
_autostart "Stopping" --shutdown --timeout ${LXC_TIMEOUT:-30}
return
fi
ebegin "Stopping container ${CONTAINER}"
start-stop-daemon --stop --pidfile ${pidfile} \
--retry ${POWEROFF_SIGNAL:-SIGUSR2}/${TIMEOUT:-30} \
--progress
eend $?
}
reboot() {
checkconfig || return 1
if [ -z "$CONTAINER" ]; then
_autostart "Rebooting" --reboot
return
fi
ebegin "Sending reboot signal to container $CONTAINER"
start-stop-daemon --signal ${RESTART_SIG:-SIGTERM} \
--pidfile ${pidfile}
eend $?
}
|
