devstack/tools/xen/scripts/install-os-vpx.sh
Ian Wienand ada886dd43 Don't mix declaration and set of locals
Ia0957b47187c3dcadd46154b17022c4213781112 proposes to have bashate
find instances of setting a local value.  The issue is that "local"
always returns 0, thus hiding any failure in the commands running to
set the variable.

This is an automated replacement of such instances

Depends-On: I676c805e8f0401f75cc5367eee83b3d880cdef81
Change-Id: I9c8912a8fd596535589b207d7fc553b9d951d3fe
2015-10-07 17:03:32 +11:00

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Bash
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#!/bin/bash
#
# Copyright (c) 2011 Citrix Systems, Inc.
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
set -eux
BRIDGE=
NAME_LABEL=
TEMPLATE_NAME=
usage()
{
cat << EOF
Usage: $0 -t TEMPLATE_NW_INSTALL -l NAME_LABEL [-n BRIDGE]
Install a VM from a template
OPTIONS:
-h Shows this message.
-t template VM template to use
-l name Specifies the name label for the VM.
-n bridge The bridge/network to use for eth0. Defaults to xenbr0
EOF
}
get_params()
{
while getopts "hbn:r:l:t:" OPTION; do
case $OPTION in
h) usage
exit 1
;;
n)
BRIDGE=$OPTARG
;;
l)
NAME_LABEL=$OPTARG
;;
t)
TEMPLATE_NAME=$OPTARG
;;
?)
usage
exit
;;
esac
done
if [[ -z $BRIDGE ]]; then
BRIDGE=xenbr0
fi
if [[ -z $TEMPLATE_NAME ]]; then
echo "Please specify a template name" >&2
exit 1
fi
if [[ -z $NAME_LABEL ]]; then
echo "Please specify a name-label for the new VM" >&2
exit 1
fi
}
xe_min()
{
local cmd="$1"
shift
xe "$cmd" --minimal "$@"
}
find_network()
{
result=$(xe_min network-list bridge="$1")
if [ "$result" = "" ]; then
result=$(xe_min network-list name-label="$1")
fi
echo "$result"
}
create_vif()
{
local v="$1"
echo "Installing VM interface on [$BRIDGE]"
local out_network_uuid
out_network_uuid=$(find_network "$BRIDGE")
xe vif-create vm-uuid="$v" network-uuid="$out_network_uuid" device="0"
}
# Make the VM auto-start on server boot.
set_auto_start()
{
local v="$1"
xe vm-param-set uuid="$v" other-config:auto_poweron=true
}
destroy_vifs()
{
local v="$1"
IFS=,
for vif in $(xe_min vif-list vm-uuid="$v"); do
xe vif-destroy uuid="$vif"
done
unset IFS
}
get_params "$@"
vm_uuid=$(xe_min vm-install template="$TEMPLATE_NAME" new-name-label="$NAME_LABEL")
destroy_vifs "$vm_uuid"
set_auto_start "$vm_uuid"
create_vif "$vm_uuid"
xe vm-param-set actions-after-reboot=Destroy uuid="$vm_uuid"