/[sysadmin-cookbook]/recepies/lxc/lxc-watchdog.sh
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Diff of /recepies/lxc/lxc-watchdog.sh

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 245 by dpavlin, Tue Mar 29 18:02:44 2011 UTC revision 271 by dpavlin, Fri Sep 9 18:21:14 2011 UTC
# Line 54  lxc_ip() { Line 54  lxc_ip() {
54  }  }
55    
56  lxc_status() {  lxc_status() {
57          ( find /var/lib/lxc/ -name "config" | cut -d/ -f5 | sort -u | xargs -i lxc-info -n {} | sed "s/'//g" | while read name is status ; do          ( find /var/lib/lxc/ -name "config" | cut -d/ -f5 | sort -u | while read name ; do
58                    status=`lxc-info -n $name 2>/dev/null | grep state: | cut -d: -f2`
59                  boot="-"                  boot="-"
60                  test -s /var/lib/lxc/$name/on_boot && boot="boot"                  test -s /var/lib/lxc/$name/on_boot && boot="boot"
61                  echo "$name $status $boot $(lxc_rootfs $name) $(lxc_ip $name) $(lxc_hostname $name)"                  echo "$name $status $boot $(lxc_rootfs $name) $(lxc_ip $name) $(lxc_hostname $name)"
# Line 145  lxc_start() { Line 146  lxc_start() {
146  lxc_watchdog() {  lxc_watchdog() {
147  name=$1  name=$1
148  rootfs=$(lxc_rootfs $1)  rootfs=$(lxc_rootfs $1)
149    run=$rootfs/var/run
150    test -L $run && run=$rootfs/`readlink $run` # recent Debian have symlink to /run
151    cd $run || echo "can't cd watchdog into $run"
152    
153  while true; do  while true; do
         vps_utmp=${rootfs}/var/run/utmp  
154          tasks=`wc -l < /cgroup/${name}/tasks`          tasks=`wc -l < /cgroup/${name}/tasks`
155          stop_on=1 # init          stop_on=1 # init
156          sulogins=`lxc-ps --name $name | grep sulogin | wc -l`          sulogins=`lxc-ps --name $name | grep sulogin | wc -l`
# Line 158  while true; do Line 161  while true; do
161          test -z "$tasks" && exit 1          test -z "$tasks" && exit 1
162          if [ "$tasks" -eq $stop_on ]; then          if [ "$tasks" -eq $stop_on ]; then
163    
164                  runlevel="$(runlevel ${vps_utmp})"                  runlevel="$(runlevel utmp)"
165                  lxc_log "$name runlevel $runlevel"                  lxc_log "$name runlevel $runlevel"
166    
167                  case $runlevel in                  case $runlevel in
168                  N*)                  N*)
169                          # nothing for new boot state                          # nothing for new boot state
170                  ;;                  ;;
171                  ??0)                  ??0|unknown)
172                          lxc_log "$name halt"                          lxc_log "$name halt"
173                          lxc-stop -n "${name}"                          lxc-stop -n "${name}"
174                          lxc-wait -n ${name} -s STOPPED                          lxc-wait -n ${name} -s STOPPED
# Line 188  while true; do Line 191  while true; do
191          fi          fi
192    
193          # time of 5 minutes on it JUST IN CASE...          # time of 5 minutes on it JUST IN CASE...
194          inotifywait -qqt 300 ${vps_utmp}          inotifywait -qqt 300 utmp
195  done  done
196    
197  lxc_log "$name watchdog exited"  lxc_log "$name watchdog exited"
Legend:
Removed from v.245  
changed lines
  Added in v.271
  ViewVC Help
Powered by ViewVC 1.1.26