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

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revision 193 by dpavlin, Fri Mar 19 14:11:49 2010 UTC revision 232 by dpavlin, Sun Oct 24 11:55:02 2010 UTC
# Line 37  lxc_exists() { Line 37  lxc_exists() {
37    
38    
39  lxc_rootfs() {  lxc_rootfs() {
40          grep lxc.rootfs "/var/lib/lxc/$1/config" | cut -d= -f2 | sed 's/^ *//'          grep '^ *lxc\.rootfs *=' "/var/lib/lxc/$1/config" | cut -d= -f2 | sed 's/^ *//'
41  }  }
42    
43    lxc_hostname() {
44            inside=`cat $(lxc_rootfs $1)/etc/hostname`
45            config=`grep lxc.utsname /var/lib/lxc/$name/config | cut -d= -f2`
46            echo "$config [$inside]";
47    }
48    
49    lxc_ip() {
50            grep lxc.network.ipv4 /var/lib/lxc/$name/config | cut -d= -f2 ||
51            grep address $(lxc_rootfs $name)/etc/network/interfaces | sed 's/.*address //'
52    }
53    
54  lxc_status() {  lxc_status() {
55          lxc-ls -1 | sort -u | xargs -i lxc-info -n {} | sed "s/'//g" | while read name is status ; do          ( find /var/lib/lxc/ -name "config" | cut -d/ -f5 | sort -u | xargs -i lxc-info -n {} | sed "s/'//g" | while read name is status ; do
56                  boot="    "                  boot="-"
57                  test -s /var/lib/lxc/$name/on_boot && boot="boot"                  test -s /var/lib/lxc/$name/on_boot && boot="boot"
58                  echo "$name $status $boot $(lxc_rootfs $name)"                  echo "$name $status $boot $(lxc_rootfs $name) $(lxc_ip $name) $(lxc_hostname $name)"
59          done          done ) | column -t
60  }  }
61    
62    
# Line 57  cleanup_init_scripts() { Line 67  cleanup_init_scripts() {
67                  $rootfs/etc/rc?.d/*umountfs \                  $rootfs/etc/rc?.d/*umountfs \
68                  $rootfs/etc/rc?.d/*umountroot \                  $rootfs/etc/rc?.d/*umountroot \
69                  $rootfs/etc/rc?.d/*hwclock* \                  $rootfs/etc/rc?.d/*hwclock* \
70                    $rootfs/etc/rc?.d/*udev* \
71          2>/dev/null | xargs -i rm -v {}          2>/dev/null | xargs -i rm -v {}
72    
73            echo $1 > $rootfs/etc/hostname
74  }  }
75    
76    
# Line 68  setup_inittab() { Line 81  setup_inittab() {
81    
82          # let container respond to kill -SIGPWR          # let container respond to kill -SIGPWR
83          inittab=$rootfs/etc/inittab          inittab=$rootfs/etc/inittab
84          if ! grep "$add" ${inittab} >/dev/null ; then          if test -e $inittab && ! grep "$add" ${inittab} >/dev/null ; then
85                  grep -v "$remove" ${inittab} > ${inittab}.new                  grep -v "$remove" ${inittab} > ${inittab}.new
86                  echo $add >> ${inittab}.new                  echo $add >> ${inittab}.new
87                  mv ${inittab}.new ${inittab}                  mv ${inittab}.new ${inittab}
# Line 106  lxc_stop() { Line 119  lxc_stop() {
119    
120  lxc_start() {  lxc_start() {
121          name=$1          name=$1
122            rootfs=$(lxc_rootfs $1)
123    
124            if [ ! -e $rootfs ] ; then
125                    echo "ERROR $name rootfs $rootfs not found"
126                    return
127            fi
128    
129          if ! lxc-info -n $name | grep RUNNING ; then          if ! lxc-info -n $name | grep RUNNING ; then
130                  lxc_log "$name start"                  lxc_log "$name start"
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