build-vm-openstack

   1 #
   2 # Openstack specific functions
   3 #
   4 ################################################################
   5 #
   6 # Copyright (c) 1995-2014 SUSE Linux Products GmbH
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License version 2 or 3 as
  10 # published by the Free Software Foundation.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program (see the file COPYING); if not, write to the
  19 # Free Software Foundation, Inc.,
  20 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  21 #
  22 ################################################################
  23
  24 cloud_volume_attach_openstack() {
  25     local VM_SERVER="$1"
  26     local VM_VOL_NAME="$2"
  27     local VM_VOL_DEV="$3"
  28
  29     if ! nova volume-attach "$VM_SERVER" "$VM_VOL_NAME" "$VM_VOL_DEV"; then
  30         echo "ERROR: nova attach failed. $?" >&2
  31         return 3
  32     fi
  33     while true; do
  34         state=`nova volume-show "$VM_VOL_NAME" | sed -n 's,^|[ ]*status[ ]*|[ ]*\([^ ]*\).*,\1,p'`
  35         test "$state" = "in-use" && break
  36         if test -z "$state" ; then
  37             echo "ERROR: unable to find state of volume $VM_VOL_NAME" >&2
  38             return 3
  39         fi
  40         if test "$state" = available ; then
  41             echo "WARNING: volume $VM_VOL_NAME got not attached, retrying" >&2
  42             if ! nova volume-attach "$VM_SERVER" "$VM_VOL_NAME" "$VM_VOL_DEV"; then
  43                 echo "ERROR: nova attach failed. $?" >&2
  44                 return 3
  45             fi
  46         fi
  47         sleep 3
  48     done
  49     if test ! -e "$VM_VOL_DEV" ; then
  50         #GROSS HACK: kernel does not care about the given device name
  51 #       VM_VOL_DEV="/dev/"`dmesg| sed -n 's,.*\(vd.\): unknown partition tab.*,\1,p' | tail -n 1`
  52         VM_VOL_DEV=`ls -1 /dev/vd? | tail -n 1`
  53     fi
  54     echo "$VM_VOL_DEV"
  55 }
  56
  57 cloud_volume_detach_openstack() {
  58     local VM_SERVER="$1"
  59     local VM_VOL_NAME="$2"
  60
  61     # needed at all?
  62     nova volume-show "$VM_VOL_NAME" | grep -q in-use || return 0
  63     # umount seems not to be enough
  64     sync
  65     if ! nova volume-detach "$VM_SERVER" "$VM_VOL_NAME"; then
  66         echo "ERROR: nova detach of $VM_VOL_NAME failed." >&2
  67         return 3
  68     fi
  69     while nova volume-show "$VM_VOL_NAME" | grep -q availabe; do
  70         sleep 3
  71     done
  72     return 0
  73 }
  74
  75 vm_verify_options_openstack() {
  76     # verify settings
  77     if test -z "$OS_AUTH_URL" ; then
  78         echo "ERROR: No openstack environment set. This vm-type works only inside of an openstack VM."
  79         cleanup_and_exit 3
  80     fi
  81     if test -z "$OBS_OPENSTACK_KERNEL_IMAGE_ID" ; then
  82         echo "ERROR: No image refering to kernel and ramdisk is defined in OBS_OPENSTACK_KERNEL_IMAGE_ID env."
  83         cleanup_and_exit 3
  84     fi
  85     if test -z "$VM_VOLUME_NAME" ; then
  86         echo "ERROR: No worker root VM volume name specified."
  87         cleanup_and_exit 3
  88     fi
  89     if test -z "$VM_VOLUME_SWAP" ; then
  90         echo "ERROR: No worker swap VM volume name specified."
  91         cleanup_and_exit 3
  92     fi
  93     if test -z "$VM_SERVER" ; then
  94         echo "ERROR: No VM server nod name specified (usually this instance)."
  95         cleanup_and_exit 3
  96     fi
  97
  98     # XXX why here?
  99     VM_SWAPDEV=/dev/vdb
 100     qemu_rootdev=/dev/vda
 101 }
 102
 103 vm_attach_root_openstack() {
 104     VM_IMAGE=`cloud_volume_attach_openstack "$VM_SERVER" "$VM_VOLUME_NAME" "$VM_IMAGE"`
 105     test "${VM_IMAGE:0:5}" = "/dev/" || cleanup_and_exit 3
 106 }
 107
 108 vm_attach_swap_openstack() {
 109     VM_SWAP=`cloud_volume_attach_openstack "$VM_SERVER" "$VM_VOLUME_SWAP" "$VM_SWAP"`
 110     test "${VM_SWAP:0:5}" = /dev/ || cleanup_and_exit 3
 111 }
 112
 113 vm_detach_root_openstack() {
 114     cloud_volume_detach_openstack "$VM_SERVER" "$VM_VOLUME_NAME"
 115 }
 116
 117 vm_detach_swap_openstack() {
 118     cloud_volume_detach_openstack "$VM_SERVER" "$VM_VOLUME_SWAP"
 119 }
 120
 121 vm_cleanup_openstack() {
 122     cloud_volume_detach_openstack "$VM_SERVER" "$VM_VOLUME_NAME"
 123     cloud_volume_detach_openstack "$VM_SERVER" "$VM_VOLUME_SWAP"
 124 }
 125
 126 vm_fixup_openstack() {
 127     # No way to handle this via init= parameter here....
 128     echo "#!/bin/sh"               >  "$BUILD_ROOT/sbin/init"
 129     echo 'exec /.build/build "$@"' >> "$BUILD_ROOT/sbin/init"
 130     chmod 0755 "$BUILD_ROOT/sbin/init"
 131 }
 132
 133 vm_kill_openstack() {
 134     if nova show "$VM_VOLUME_NAME" >/dev/null 2>&1 ; then
 135         if ! nova delete "$VM_VOLUME_NAME" ; then
 136             echo "could not kill openstack vm build $VM_VOLUME_NAME"
 137             cleanup_and_exit 1
 138         fi
 139     fi
 140 }
 141
 142 vm_startup_openstack() {
 143     nova boot --image $OBS_OPENSTACK_KERNEL_IMAGE_ID --flavor m1.small --block_device_mapping vda=${VM_VOLUME_NAME}::$(( $VMDISK_ROOTSIZE / 1024 )):0 --block_device_mapping vdb=${VM_VOLUME_SWAP}::1:0 --poll "build-$VM_VOLUME_NAME" || cleanup_and_exit 3
 144     nova console-log "build-$VM_VOLUME_NAME"
 145 }