2011-boston/handout/lastlogin.sh

   1 #!/bin/bash -
   2
   3 #set -x
   4
   5 winkey='HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon'
   6 winval=DefaultUserName
   7
   8 # List of guests.
   9 for name in $(virsh -q list --all | awk '{print $2}'); do
  10     # What guest is it?
  11     eval $(guestfish --listen --ro -d "$name" -i)
  12     root=$(guestfish --remote "inspect-get-roots")
  13     type=$(guestfish --remote inspect-get-type "$root")
  14     guestfish --remote exit
  15     # Depending on the guest type ...
  16     case "$type" in
  17         windows)
  18             echo -n "$name "
  19             virt-win-reg "$name" "$winkey" "$winval"
  20             ;;
  21         linux)
  22             echo -n "$name "
  23             virt-cat -d "$name" /var/log/wtmp > /tmp/wtmp
  24             last -f /tmp/wtmp | \
  25                 grep -Ev "^reboot|^shutdown|^wtmp begins|^$" | \
  26                 tail -1 | \
  27                 awk '{print $1}'
  28             ;;
  29         *)
  30             echo -n "($name - unknown guest type, ignored)"
  31             ;;
  32     esac
  33 done