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
|
#!/bin/bash
# -----------------------------------------------------------------------------
# Copyright (c) 2010 - RZ Uni FR
# Copyright (c) 2010 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# vmgrid
# - Script for autostarts defined in vmgrid::startvms
################################################################################
# include default directories
. /etc/opt/openslx/openslx.conf
################################################################################
### Manual Start
################################################################################
if [ -n "$1" ]; then
if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
echo -e "Usage: vmgrid [[-g] [--mem <memory size in MB>] \c"
echo -e "[--nice <nice level>] [/path/]filename[.xml]]"
exit 0
else
echo "Starting run-vmgrid.sh with options '$@'"
run-vmgrid.sh $@ 2>/dev/null
exit
fi
fi
################################################################################
### Define default dirs / get configs
################################################################################
PLUGINCONFROOT=${OPENSLX_DEFAULT_CONFDIR}/plugins
PLUGINCONFDIR=${PLUGINCONFROOT}/vmgrid
RWSHARE=/var/opt/openslx/plugins/vmgrid/share
# include general configuration from vmgrid
[ -f ${PLUGINCONFDIR}/vmgrid.conf ] && \
. ${PLUGINCONFDIR}/vmgrid.conf
# load general virtualization information
[ -f ${PLUGINCONFROOT}/virtualization/virtualization.conf ] && \
. ${PLUGINCONFROOT}/virtualization/virtualization.conf
################################################################################
### Functions used throughout the script
################################################################################
# function to write to stdout and logfile
writelog () {
# write to stdout
echo -e "$1"
# log into file
echo -e "$1" >> ${OPENSLX_DEFAULT_LOGDIR}/vmgrid.${USER}.$$.log
# log into share dir, so that log is available in vm as well
echo -e "$1" >> ${vmgrid_rwmnt}/logs/vmgrid.${USER}.$$.log
}
################################################################################
### Configure VMs for autostart and set RAM
################################################################################
# start to log, create share log dir
mkdir -m 1777 -p ${vmgrid_rwmnt}/logs
mkdir -m 1777 -p /tmp/vmgrid
mkdir -p /tmp/vmgrid/${USER}
echo "Starting to log at $(date)" \
>${vmgrid_rwmnt}/logs/vmgrid.${USER}.$$.log
if [ -z "${hostratio}" ]; then
writelog "There has been an error in the memory configuration in stage 3"
writelog "Please check your memory ratio settings, exiting!"
exit 1
fi
if [ -z "${hostratio}" ]; then
writelog "There has been an error in the memory configuration in stage 3"
writelog "Please check your memory ratio settings, exiting!"
exit 1
fi
# remove blanks
vmgrid_startvms=$(echo ${vmgrid_startvms} | sed -e "s, *,,g")
vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s, *,,g")
# hostmem, mainvirt from virtualization plugin
# ratio minus other vms and host
restratio=$(expr 100 - ${hostratio} - ${mainvirtratio})
# hostmem, totalmem, mainvirtmem from virtualization plugin
# calculate freemem
freemem=$(expr ${totalmem} - ${hostmem} - ${mainvirtmem} 2>/dev/null)
if [ ${freemem} -lt 512 2>/dev/null ]; then
writelog "Not enough free RAM for this plugin, free: ${freemem} MB"
exit 1
fi
# get clients mem ratio
vmsumratios=0
for i in {1..4}; do
vm[$i]=$(echo ${vmgrid_startvms} | awk -F ',' '{print $1}')
# remove ${vm[$i]} from list because of '{print $1}'
vmgrid_startvms=$(echo ${vmgrid_startvms} | sed -e "s,${vm[$i]}\,*,,")
vmratio[$i]=$(echo ${vmgrid_memratio} | awk -F ',' '{print $1}')
# remove ${vmratio[$i]} from list because of '{print $1}'
vmgrid_memratio=$(echo ${vmgrid_memratio} | sed -e "s/${vmratio[$i]},*//")
vmsumratios=$(expr ${vmsumratios} + ${vmratio[$i]} 2>/dev/null)
done
for i in {1..4}; do
# calculate VMs mem: mem = $freemem * $vmratio/100 * 100/$restratio
# multiple of 4
vmmem[$i]=$(expr ${freemem} \* ${vmratio[$i]} / ${restratio} / 4 \* 4 \
2>/dev/null)
if [ -n "${vm[$i]}" ] && [ ${vmmem[$i]} -lt 512 2>/dev/null ]; then
writelog "Not enough free RAM for ${vm[$i]} (min. 512 MB), \c"
writelog "free: ${vmmem[$i]} MB"
unset vm[$i]
fi
done
################################################################################
### Start the VMs
################################################################################
# start vms
for i in {1..4}; do
if [ -n "${vm[$i]}" ]; then
alreadyrunning=$(ps aux | grep run-vmgrid.sh | grep -v grep \
| grep "${vm[$i]}" | wc -l)
# if Xen use different method
if [ "${vmgrid_virt}" = "xen" ]; then
alreadyrunning=$(xm list 2>/dev/null | grep -vE "Domain-0|Name.*ID" \
| grep "${vm[$i]}-0.$" | wc -l)
fi
if [ ${alreadyrunning} -gt 0 2>/dev/null ]; then
writelog "${vm[$i]} already running, skipping!"
else
writelog "Starting ${vm[$i]} via run-vmgrid.sh with ${vmmem[$i]} MB RAM"
run-vmgrid.sh --mem ${vmmem[$i]} ${vm[$i]} 2>/dev/null &
echo $! > /tmp/vmgrid/${USER}/vmgrid.pids
# wait 10 secs for the next vm to start
sleep 10
fi
fi
done
exit 0
|