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tenku/docker/gitian-host/bin/build-base-vms.sh

48 lines
1.3 KiB
Bash

#!/bin/bash
if [ $# -eq 0 ]; then
echo "Please specify: [i386|amd64]" 1>&2
exit 1
fi
if [ -z "$USE_LXC" ]; then
echo "Environment variables not correctly setup (source .bash_profile?)" 1>&2
exit 2
fi
export MIRROR_HOST=$GITIAN_HOST_IP
SUITE=precise
cd gitian-builder && \
mkdir -p var || exit $?
if [ ! -e var/id_dsa ]; then
ssh-keygen -t dsa -f var/id_dsa -N ""
fi
## build both VMs in parallel
for TYPE in "$@"; do
echo -e "MIRROR_HOST=$GITIAN_HOST_IP bin/make-base-vm --lxc --arch $TYPE --suite $SUITE"
done | parallel -j$# || exit $?
## this function corresponds to part removed from gbuild via custom patch
function ext_partition() {
local OUT=$1
echo "Extracting $OUT partition for lxc" && \
qemu-img convert $OUT.qcow2 $OUT.raw && \
loop=`sudo kpartx -av $OUT.raw|sed -n '/loop.p1/{s/.*loop\(.\)p1.*/\1/;p}'` || return $?
sudo cp --sparse=always /dev/mapper/loop${loop}p1 $OUT && \
sudo chown $USER $OUT || return $?
## following 2 lines are a sloppy hack to an unknown problem with kpartx
sudo sync && \
sleep 5 || return $?
## these are silenced because if former fails, second doesn't and viceversa
sudo kpartx -d /dev/loop$loop 2>/dev/null && \
sudo rm /dev/mapper/loop${loop}p1 2>/dev/null && \
rm -f $OUT.raw
}
for TYPE in "$@"; do
ext_partition base-${SUITE}-${TYPE} || exit $?
done