blob: b29f04c24a54a796a08a9c6fdc59986e4c2d7ecb (
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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
#!/sbin/openrc-run
description="Virtual Machine Management (libvirt) Guests"
depend() {
use libvirtd
}
# set the default to QEMU
[ -z "${LIBVIRT_URIS}" ] && LIBVIRT_URIS="qemu:///system"
# default to suspending the VM via managedsave
case "${LIBVIRT_SHUTDOWN}" in
managedsave|shutdown|destroy) ;;
*) LIBVIRT_SHUTDOWN="managedsave" ;;
esac
# default to 500 seconds
[ -z ${LIBVIRT_MAXWAIT} ] && LIBVIRT_MAXWAIT=500
gueststatefile="/var/lib/libvirt/libvirt-guests.state"
netstatefile="/var/lib/libvirt/libvirt-net.state"
do_virsh() {
local hvuri=$1
shift
# if unset, default to qemu
[ -z ${hvuri} ] && hvuri="qemu:///system"
# if only qemu was supplied then correct the value
[ "xqemu" = x${hvuri} ] && hvuri="qemu:///system"
# Silence errors because virsh always throws an error about
# not finding the hypervisor version when connecting to libvirtd
# lastly strip the blank line at the end
LC_ALL=C virsh -c ${hvuri} "$@" 2>/dev/null | head -n -1
}
libvirtd_dom_list() {
# Only work with domains by their UUIDs
local hvuri=$1
shift
# The grep is to remove dom0 for xen domains. Otherwise we never hit 0
do_virsh "${hvuri}" list --uuid $@ | grep -v 00000000-0000-0000-0000-000000000000
}
libvirtd_dom_count() {
local hvuri=$1
shift
libvirtd_dom_list "${hvuri}" $@ | wc -l
}
libvirtd_net_list() {
# Only work with networks by their UUIDs
local hvuri=$1
shift
do_virsh "${hvuri}" net-list --uuid $@
}
libvirtd_net_count() {
local hvuri=$1
shift
libvirtd_net_list "${hvuri}" $@ | wc -l
}
libvirtd_dom_stop() {
# stops all persistent or transient domains for a given URI
# $1 - uri
# $2 - persisent/transient
local uri=$1
local persist=$2
local shutdown_type=${LIBVIRT_SHUTDOWN}
local counter=${LIBVIRT_MAXWAIT}
local dom_name=
local dom_as=
local dom_ids=
local uuid=
local dom_count=
[ "${persist}" = "--transient" ] && shutdown_type="shutdown"
[ -n "${counter}" ] || counter=500
einfo " Shutting down domain(s) ..."
# grab all persistent or transient domains running
dom_ids=$(libvirtd_dom_list ${uri} ${persist})
for uuid in ${dom_ids}; do
# Get the name
dom_name=$(do_virsh ${uri} domname ${uuid})
einfo " ${dom_name}"
# Get autostart state
dom_as=$(do_virsh ${uri} dominfo ${uuid} | \
awk '$1 == "Autostart:" { print $2 }')
if [ "${persist}" = "--persistent" ]; then
# Save our running state only if LIBVIRT_IGNORE_AUTOSTART != yes
if [ "x${LIBVIRT_IGNORE_AUTOSTART}" = "xyes" ] && \
[ ${dom_as} = "enabled" ]; then
:
else
echo "${uri} ${uuid}" >> ${gueststatefile}
fi
fi
# Now let's stop it
do_virsh "${uri}" ${shutdown_type} ${uuid} > /dev/null
done
dom_count="$(libvirtd_dom_count ${uri} ${persist})"
while [ ${dom_count} -gt 0 ] && [ ${counter} -gt 0 ] ; do
dom_count="$(libvirtd_dom_count ${uri} ${persist})"
sleep 1
if [ "${shutdown_type}" = "shutdown" ]; then
counter=$((${counter} - 1))
fi
printf "."
done
if [ "${shutdown_type}" = "shutdown" ]; then
# grab all domains still running
dom_ids=$(libvirtd_dom_list ${uri} ${persist})
for uuid in ${dom_ids}; do
dom_name=$(do_virsh ${uri} domname ${uuid})
eerror " ${dom_name} forcibly stopped"
do_virsh "${uri}" destroy ${uuid} > /dev/null
done
fi
}
libvirtd_net_stop() {
# stops all persistent or transient domains for a given URI
# $1 - uri
# $2 - persisent/transient
local uri=$1
local persist=$2
local uuid=
local net_name=
if [ "${LIBVIRT_NET_SHUTDOWN}" != "no" ]; then
einfo " Shutting down network(s):"
for uuid in $(libvirtd_net_list ${uri} ${persist}); do
net_name=$(do_virsh ${uri} net-name ${uuid})
einfo " ${net_name}"
if [ "${persist}" = "--persistent" ]; then
# Save our running state
echo "${uri} ${uuid}" >> ${netstatefile}
fi
# Actually stop the network
do_virsh qemu net-destroy ${uuid} > /dev/null
done
fi
}
start() {
local uri=
local uuid=
local name=
for uri in ${LIBVIRT_URIS}; do
do_virsh "${uri}" connect
if [ $? -ne 0 ]; then
eerror "Failed to connect to '${uri}'. Domains may not start."
fi
done
[ ! -e "${netstatefile}" ] && touch "${netstatefile}"
[ ! -e "${gueststatefile}" ] && touch "${gueststatefile}"
# if the user didn't want to start any guests up then respect their wish
[ "x${LIBVIRT_START}" = "xno" ] && return 0
# start networks
ebegin "Starting libvirt networks"
while read -r uri uuid
do
# ignore trash
[ -z "${uri}" ] || [ -z "${uuid}" ] && continue
name=$(do_virsh "${uri}" net-name ${uuid})
einfo " ${name}"
do_virsh "${uri}" net-start ${uuid} > /dev/null
done <"${netstatefile}"
eend 0
# start domains
ebegin "Starting libvirt domains"
while read -r uri uuid
do
# ignore trash
[ -z "${uri}" ] || [ -z "${uuid}" ] && continue
name=$(do_virsh "${uri}" domname ${uuid})
einfo " ${name}"
do_virsh "${uri}" start ${uuid} > /dev/null
do_virsh "${uri}" domtime --sync ${uuid} > /dev/null
done <"${gueststatefile}"
eend 0
}
stop() {
local counter=
local dom_name=
local net_name=
local dom_ids=
local uuid=
local dom_count=
rm -f "${gueststatefile}"
[ $? -ne 0 ] && eerror "Unable to save domain state"
rm -f "${netstatefile}"
[ $? -ne 0 ] && eerror "Unable to save net state"
for uri in ${LIBVIRT_URIS}; do
einfo "Stopping libvirt domains and networks for ${uri}"
libvirtd_dom_stop "${uri}" "--persistent"
libvirtd_dom_stop "${uri}" "--transient"
libvirtd_net_stop "${uri}" "--persistent"
libvirtd_net_stop "${uri}" "--transient"
einfo "Done stopping domains and networks for ${uri}"
done
}
|
