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#!/bin/sh
set -e
arch=x86
subarch=64
arch_dash=${arch}-${subarch}
ver=17.01.4
image=openwrt
dist=lede
sdk_name=sdk-${ver}-${arch}-${subarch}
sdk=build_dir/${sdk_name}
procd_url=https://github.com/openwrt/openwrt/branches/lede-17.01/package/system/procd
procd_extra_ver=lxd-3
lxc_tar=bin/${dist}-${ver}-${arch_dash}-lxd.tar.gz
metadata=bin/metadata.yaml
download_rootfs() {
if test $ver = snapshot; then
local rootfs_url=https://downloads.openwrt.org/snapshots/targets/${arch}/${subarch}/${dist}-${arch_dash}-generic-rootfs.tar.gz
else
local rootfs_url=https://downloads.openwrt.org/releases/${ver}/targets/${arch}/${subarch}/${dist}-${ver}-${arch_dash}-generic-rootfs.tar.gz
fi
# global $rootfs
rootfs=dl/$(basename $rootfs_url)
download $rootfs_url $rootfs
check $rootfs $rootfs_url
}
download_sdk() {
if test $ver = snapshot; then
local sdk_url=https://downloads.openwrt.org/snapshots/targets/${arch}/${subarch}/${dist}-sdk-${arch}-${subarch}_gcc-7.3.0_musl.Linux-x86_64.tar.xz
else
local sdk_url=https://downloads.openwrt.org/releases/${ver}/targets/${arch}/${subarch}/${dist}-sdk-${ver}-${arch}-${subarch}_gcc-5.4.0_musl-1.1.16.Linux-x86_64.tar.xz
fi
local sdk_tar=dl/$(basename $sdk_url)
download $sdk_url $sdk_tar
check $sdk_tar $sdk_url
if ! test -e $sdk; then
test -e build_dir || mkdir build_dir
local sdk_dir=$(tar tpf $sdk_tar|head -1)
if ! test -e build_dir/$sdk_dir; then
tar xvpf $sdk_tar -C build_dir
fi
(cd build_dir && ln -sfT $sdk_dir $sdk_name)
fi
}
download() {
url=$1
dst=$2
dir=$(dirname $dst)
if ! test -e "$dst" ; then
echo Downloading $url
test -e $dir || mkdir $dir
wget -O $dst "$url"
fi
}
download_sums() {
local url=$1
local sums_url="$(dirname $url)/sha256sums"
local sums_file="dl/sha256sums_$(echo $sums_url|md5sum|cut -d ' ' -f 1)"
if ! test -e $sums_file; then
wget -O $sums_file $sums_url
fi
return=$sums_file
}
check() {
local dst=$1
local dst_url=$2
download_sums $dst_url
local sums=$return
local dst_sum="$(grep $(basename $dst_url) $sums|cut -d ' ' -f 1)"
sum=$(sha256sum $dst| cut -d ' ' -f1)
if test -z "$dst_sum" -o $dst_sum != $sum; then
echo Bad checksum $sum of $dst
exit 1
fi
}
download_procd() {
if ! test -e dl/procd; then
svn co $procd_url dl/procd
sed -i -e "s/PKG_RELEASE:=\(\S\+\)/PKG_RELEASE:=\1-${procd_extra_ver}/" dl/procd/Makefile
fi
test -e dl/procd/patches || mkdir dl/procd/patches
cp -a patches/procd/* dl/procd/patches
}
build_procd() {
if ! test -e $sdk/package/lxd-procd; then
ln -sfT $(pwd)/dl/procd $sdk/package/lxd-procd
fi
(cd $sdk
./scripts/feeds update base
./scripts/feeds install libubox
./scripts/feeds install ubus
make defconfig
make package/lxd-procd/compile
)
local date=$(grep PKG_SOURCE_DATE:= dl/procd/Makefile | cut -d '=' -f 2)
local version=$(grep PKG_SOURCE_VERSION:= dl/procd/Makefile | cut -d '=' -f 2 | cut -b '1-8')
local release=$(grep PKG_RELEASE:= dl/procd/Makefile | cut -d '=' -f 2)
test -e bin/packages/${arch}/${subarch} || mkdir -p bin/packages/${arch}/${subarch}
(cd bin/packages/${arch}/${subarch} && ln -sf ../../../../$sdk/bin/targets/${arch}/${subarch}/packages/procd_${date}-${version}-${release}_*.ipk .)
}
build_tarball() {
export SDK="$(pwd)/${sdk}"
export ARCH=${arch}
export SUBARCH=${subarch}
fakeroot ./build_rootfs.sh $rootfs $metadata $lxc_tar
}
build_metadata() {
local stat=`stat -c %Y $rootfs`
local date="`date -R -d \"@${stat}\"`"
if test ${subarch} = generic; then
local arch_lxd=${arch}
else
local arch_lxd=${arch}_${subarch}
fi
cat > $metadata <<EOF
architecture: "$arch_lxd"
creation_date: $(date +%s)
properties:
architecture: "$arch_lxd"
description: "OpenWrt $ver $arch_lxd ($date)"
os: "OpenWrt"
release: "$ver"
templates:
EOF
## Add templates
#
# templates:
# /etc/hostname:
# when:
# - start
# template: hostname.tpl
}
build_image() {
lxc image import $lxc_tar --alias $image
}
download_rootfs
download_sdk
download_procd
build_procd
build_metadata
build_tarball
build_image
echo \# start
echo "lxc launch $image <name>"
echo \# set root password
echo "lxc exec <name> passwd root"
|
