debian/xvm-iscsi-config.postinst

   1 #!/bin/sh
   2 # postinst script for xvm-iscsi-config
   3 #
   4 # see: dh_installdeb(1)
   5
   6 set -e
   7
   8 # Source debconf library
   9 . /usr/share/debconf/confmodule
  10
  11 # summary of how this script can be called:
  12 #        * <postinst> `configure' <most-recently-configured-version>
  13 #        * <old-postinst> `abort-upgrade' <new version>
  14 #        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
  15 #          <new-version>
  16 #        * <postinst> `abort-remove'
  17 #        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
  18 #          <failed-install-package> <version> `removing'
  19 #          <conflicting-package> <version>
  20 # for details, see http://www.debian.org/doc/debian-policy/ or
  21 # the debian-policy package
  22
  23 # dh_installdeb will replace this with shell code automatically
  24 # generated by other debhelper scripts.
  25
  26 #DEBHELPER#
  27
  28 case "$1" in
  29     configure)
  30         db_get xvm-iscsi-config/address
  31         ADDRESS="$RET"
  32         db_get xvm-iscsi-config/username
  33         USERNAME="$RET"
  34         db_get xvm-iscsi-config/password
  35         PASSWORD="$RET"
  36         db_stop
  37
  38         cat >/etc/invirt/conf.d/iscsi <<EOF
  39 iscsi:
  40  address: $ADDRESS
  41  username: $USERNAME
  42  password: $PASSWORD
  43 EOF
  44         if [ -z "$2" ]; then
  45             invoke-rc.d xvm-iscsi-config restart
  46             invoke-rc.d open-iscsi restart
  47             iscsiadm -m discovery -t st -p $(invirt-getconf iscsi.address):3260
  48         else
  49             # Don't disrupt an existing installation.
  50             cat <<EOF
  51 xvm-iscsi-config: If the configuration has changed, restart iscsi:
  52   /etc/init.d/xvm-iscsi-config restart
  53   /etc/init.d/open-iscsi restart
  54   iscsiadm -m discovery -t st -p $(invirt-getconf iscsi.address):3260
  55   lvchange -a ln /dev/xenvg && lvchange -a y /dev/xenvg
  56 This will leave VMs unable to access their disks, so migrate them first.
  57
  58 EOF
  59         fi
  60     ;;
  61
  62     abort-upgrade|abort-remove|abort-deconfigure)
  63     ;;
  64
  65     *)
  66         echo "postinst called with unknown argument \`$1'" >&2
  67         exit 1
  68     ;;
  69 esac
  70
  71 exit 0