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build_bpf_demo.sh
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#!/bin/bash
#set -x
set -e
function usage() {
cat <<DELIM__
usage: $(basename $0) [options]
Options:
-b, --bridge BRNAME Which linux bridge to attach to
-c, --cpu NUM Number of CPUs to reserve to the instance (default 4)
-g, --github_token X HTTP Github oauth token (for buildbots)
-k, --kickstart KS Path to kickstart file to use (required)
-m, --mirror URL URL at which to reach netinstallable packages
-M, --mem NUM Number of MB to reserve to the instance (default 4094)
-n, --name NAME Name of the instance (required)
-p, --password PASS Password to set in the VM
-s, --size NUM Size in GB to reserve for the virtual HDD (default 40GB)
DELIM__
}
TEMP=$(getopt -o b:c:k:m:M:n:p:s: --long bridge:,cpu:,kickstart:,mirror:,mem:,name:,password:size: -- "$@")
if [[ $? -ne 0 ]]; then
usage
exit 1
fi
eval set -- "$TEMP"
while true; do
case "$1" in
-b|--bridge) BRIDGE="$2"; shift 2 ;;
-c|--cpu) CPU="$2"; shift 2 ;;
-k|--kickstart) KICKSTART="$2"; shift 2 ;;
-n|--name) NAME="$2"; shift 2 ;;
-m|--mirror) MIRROR="$2"; shift 2 ;;
-M|--mem) MEM="$2"; shift 2 ;;
-p|--password) PASSWORD="$2"; shift 2 ;;
-s|--size) SIZE="$2"; shift 2 ;;
--) shift; break ;;
*) usage; exit 1
;;
esac
done
[[ ! -f "$KICKSTART" ]] && { usage; exit 1; }
[[ -z "$NAME" ]] && { usage; exit 1; }
PASSWORD=${PASSWORD:-"iovisor"}
BRIDGE=${BRIDGE:-virbr0}
MIRROR=${MIRROR:-http://mirror.pnl.gov/fedora/linux/releases/22}
MEM=${MEM:-4094}
CPU=${CPU:-4}
SIZE=${SIZE:-40}
if [[ "$(id -u)" != "0" ]]; then
sudo="sudo"
fi
if ! which virt-install &> /dev/null; then
echo "Error:
5FC2
virt-install is not installed"
exit 1
fi
libvirt_dir=/var/lib/libvirt/images
img_name=$NAME
tmpdir=$(mktemp -d /tmp/virt-install_XXXXX)
tmp_ks_file=$tmpdir/$img_name.ks
function cleanup() {
set +e
[[ -d "$tmpdir" ]] && rm -fr "$tmpdir"
local destroy_kvm=n
[[ -f "/etc/libvirt/qemu/$img_name.xml" ]] && read -p "Destroy libvirt VM (y/n)? " destroy_kvm
if [[ "$destroy_kvm" != n* ]]; then
virsh destroy $img_name
virsh undefine $img_name
virsh vol-delete $img_name.img --pool default
$sudo rm -f $libvirt_dir/$img_name.img
fi
}
trap cleanup EXIT
ruby <<DELIM__
require 'erb'
@password="$PASSWORD"
@name="$NAME"
@domain="example.com"
@github_access_token="$GITHUB_ACCESS_TOKEN"
@mirror="$MIRROR"
File.open('$tmp_ks_file', 'w') do |f|
f.puts ERB.new(File.open('$KICKSTART', 'rb').read, nil, '-').result()
end
DELIM__
tree=$MIRROR/Server/x86_64/os/
virt-install --connect=qemu:///system \
--network=bridge:$BRIDGE \
--initrd-inject=$tmp_ks_file \
--controller type=scsi,model=virtio-scsi \
--extra-args="ks=file:/$(basename $tmp_ks_file) console=tty0 console=ttyS0,115200" \
--name=$img_name \
--disk $libvirt_dir/$img_name.img,cache=none,format=qcow2,size=$SIZE,bus=scsi \
--ram $MEM \
--vcpus=$CPU \
--check-cpu \
--accelerate \
--hvm \
--location=$tree \
--nographics
echo "SUCCESS"
exit 0