* mk-sbuild: automatically install qemu-kvm-extras-static if requested

* mk-sbuild: conditionally install lvm2 only for lv-snapshot schroots
* mk-sbuild: rationalise architecture variables
* mk-sbuild: Generalise --type support and add "file" SCHROOT_TYPE
* mk-sbuild.1: Document the --type argument
This commit is contained in:
Emmet Hikory 2010-02-09 22:36:18 +09:00
commit 47be819276
3 changed files with 96 additions and 48 deletions

7
debian/changelog vendored
View File

@ -5,6 +5,11 @@ ubuntu-dev-tools (0.93) UNRELEASED; urgency=low
[ Emmet Hikory ]
* Support qemu-arm-static -> qemu-kvm-extras-static transition
* mk-sbuild: automatically install qemu-kvm-extras-static if requested
* mk-sbuild: conditionally install lvm2 only for lv-snapshot schroots
* mk-sbuild: rationalise architecture variables
* mk-sbuild: Generalise --type support and add "file" SCHROOT_TYPE
* mk-sbuild.1: Document the --type argument
[ Loïc Minier ]
* Demote qemu-kvm-extras-static to a Suggests since most people don't build
@ -17,7 +22,7 @@ ubuntu-dev-tools (0.93) UNRELEASED; urgency=low
* mk-sbuild.1: update documentation to reflect alternative config file
names for distro and schroot type overrides.
-- Kees Cook <kees@ubuntu.com> Tue, 09 Feb 2010 00:14:26 -0800
-- Emmet Hikory <persia@ubuntu.com> Tue, 09 Feb 2010 22:08:56 +0900
ubuntu-dev-tools (0.92) lucid; urgency=low

View File

@ -41,8 +41,11 @@ Enable distro-specific logic. Currently known distros: "ubuntu" (default)
and "debian".
.TP
.B \-\-vg
Specify a volume group, and subsequently use SCHROOT_TYPE of "lvm-snapshot"
rather than "directory" (via aufs) mounts.
Specify a volume group, and subsequently use a default SCHROOT_TYPE of
"lvm-snapshot" rather than "directory" (via aufs) mounts.
.TP
.B \-\-type
Specify a SCHROOT_TYPE. Supported values are "directory" (default if --vg not specified), "lvm-snapshot" (default if --vg specified), and "file".
.SH ENVIRONMENT VARIABLES
.TP
@ -61,6 +64,10 @@ Do not include the \-updates pocket in the installed sources.list.
.B SOURCE_CHROOTS_DIR
use SOURCE_CHROOTS_DIR as home of schroot source directories. (default
/var/lib/schroot/chroots)
.TP
.B SOURCE_CHROOTS_TGZ
use SOURCE_CHROOTS_TGZ as home of schroot source tarballs. (default
/var/lib/schroot/tarballs)
.SH FILES
.TP
@ -77,8 +84,8 @@ See sources.list(5) for more details on the format.
.B $HOME/.mk\-sbuild.schroot.conf[.$SCHROOT_TYPE]
Can contain a customized configuration section to be inserted into
/etc/schroot/schroot.conf.
If a file with ".lvm-snapshot" or ".directory" is found (based on the presence
of the \-\-vg argument) that file will use used instead.
If a file with ".lvm-snapshot", ".directory", or ".file" is found (based on the
values of the \-\-vg and \-\-type arguments) that file will use used instead.
See schroot.conf(5) for more details on the format.
.SH USING THE CHROOTS
.TP

120
mk-sbuild
View File

@ -1,4 +1,4 @@
#!/bin/bash
# !/bin/bash
#
# Copyright 2006-2010 (C) Canonical Ltd.
# Author: Kees Cook <kees@ubuntu.com>
@ -37,10 +37,10 @@ if [ -w /etc/passwd ]; then
exit 1
fi
# Perform once-only things to initially set up for using sbuild+schroot+lvm
# Perform once-only things to initially set up for using sbuild+schroot
if [ ! -w /var/lib/sbuild ]; then
# Load all the packages you'll need to do work
sudo apt-get install sbuild schroot debootstrap lvm2
sudo apt-get install sbuild schroot debootstrap
# Add self to the sbuild group
sudo adduser "$USER" sbuild
@ -95,6 +95,7 @@ fi
LV_SIZE="5G"
SNAPSHOT_SIZE="4G"
SOURCE_CHROOTS_DIR="/var/lib/schroot/chroots"
SOURCE_CHROOTS_TGZ="/var/lib/schroot/tarballs"
function usage()
{
@ -110,11 +111,13 @@ function usage()
echo " --debootstrap-mirror=URL Use URL as the debootstrap source"
echo " --distro=DISTRO Install specific distro:"
echo " 'ubuntu'(default), or 'debian'"
echo " --type=SCHROOT_TYPE Define the schroot type"
echo ""
echo "Configuration (via ~/.mk-sbuild.rc)"
echo " LV_SIZE Size of source LVs (default ${LV_SIZE})"
echo " SNAPSHOT_SIZE Size of snapshot LVs (default ${SNAPSHOT_SIZE})"
echo " SOURCE_CHROOTS_DIR Directory to put aufs source chroots into"
echo " SOURCE_CHROOTS_DIR Directory to store directory source chroots"
echo " SOURCE_CHROOTS_TGZ Directory to store file source chroots"
echo " SCHROOT_CONF_SUFFIX Lines to append to schroot.conf entries"
echo " SKIP_UPDATES Enable --skip-updates"
echo " TEMPLATE_SOURCES A template for sources.list"
@ -126,7 +129,7 @@ function usage()
if [ -z "$1" ]; then
usage
fi
OPTS=`getopt -o '' --long "help,debug,skip-updates,arch:,name:,source-template:,debootstrap-mirror:,personality:,distro:,volume-group:,vg:" -- "$@"`
OPTS=`getopt -o '' --long "help,debug,skip-updates,arch:,name:,source-template:,debootstrap-mirror:,personality:,distro:,volume-group:,vg:,type:" -- "$@"`
eval set -- "$OPTS"
VG=""
@ -139,9 +142,6 @@ while :; do
shift
;;
--arch)
# By default, use the native architecture.
arch_opt="--arch=$2"
arch_suffix="-$2"
CHROOT_ARCH="$2"
if [ "$2" = "i386" ] || [ "$2" = "lpia" ] && [ -z "$personality" ];
then
@ -181,6 +181,10 @@ while :; do
VG="$2"
shift 2
;;
--type)
SCHROOT_TYPE="$2"
shift 2
;;
--)
shift
break
@ -191,7 +195,7 @@ while :; do
esac
done
# We need to know the release to debootstrap
# To build the chroot, we need to know which release of Ubuntu to debootstrap
RELEASE="$1"
if [ -z "$RELEASE" ]; then
usage
@ -202,28 +206,30 @@ if [ -z "$name" ]; then
name="$RELEASE"
fi
CHROOT_NAME="${name}${arch_suffix}"
# By default, use the native architecture.
HOST_ARCH=$(dpkg --print-architecture)
if [ -z "$CHROOT_ARCH" ]; then
CHROOT_ARCH=$HOST_ARCH
CHROOT_ARCH="$HOST_ARCH"
fi
CHROOT_NAME="${name}-${CHROOT_ARCH}"
# Load customizations
if [ -r ~/.mk-sbuild.rc ]; then
. ~/.mk-sbuild.rc
fi
SRC_TYPE="union"
SCHROOT_CONF_TYPE="directory"
# To build the LV, we need to know which volume group to use
if [ -n "${VG}" ]; then
SRC_TYPE="lvm"
SCHROOT_CONF_TYPE="lvm-snapshot"
if [ -z "$SCHROOT_TYPE" ]; then
# To build the LV, we need to know which volume group to use
if [ -n "$VG" ]; then
SCHROOT_TYPE=lvm-snapshot
else
SCHROOT_TYPE=directory
fi
fi
case "$SRC_TYPE" in
"lvm")
case "$SCHROOT_TYPE" in
"lvm-snapshot")
# Make sure LVM tools that operate on the snapshots have needed module
if ! sudo dmsetup targets | grep -q ^snapshot; then
sudo modprobe dm_snapshot
@ -231,17 +237,28 @@ case "$SRC_TYPE" in
fi
# Set up some variables for use in the paths and names
CHROOT_LV="${name}_chroot${arch_suffix}"
CHROOT_LV="${name}_chroot-${CHROOT_ARCH}"
CHROOT_PATH="/dev/$VG/$CHROOT_LV"
# Does the specified VG exist? (vgdisplay doesn't set error codes...)
if [ `sudo vgdisplay -c "$VG" | wc -l` -eq 0 ]; then
echo "Volume group ${VG} does not appear to exist" >&2
exit 1
fi
;;
"union")
"directory")
if [ ! -d "${SOURCE_CHROOTS_DIR}" ]; then
sudo mkdir -p "${SOURCE_CHROOTS_DIR}"
fi
# Set up some variables for use in the paths and names
CHROOT_PATH="${SOURCE_CHROOTS_DIR}/${CHROOT_NAME}"
;;
"file")
if [ ! -d "$SOURCE_CHROOTS_TGZ" ]; then
sudo mkdir -p "$SOURCE_CHROOTS_TGZ"
fi
# Set up some variables for use in the paths and names
CHROOT_PATH="${SOURCE_CHROOTS_TGZ}/${CHROOT_NAME}.tgz"
;;
*)
echo 'unknown source type!?' >&2
@ -335,18 +352,19 @@ debian)
esac
DEBOOTSTRAP_COMMAND=debootstrap
# Use qemu-arm-static / build-arm-chroot for foreign armel chroots
# Use qemu-kvm-extras-static / build-arm-chroot for foreign armel chroots
if [ "$CHROOT_ARCH" = 'armel' ] && [ ! "$HOST_ARCH" = 'armel' ] ; then
if [ -f "/usr/bin/build-arm-chroot" ]; then
DEBOOTSTRAP_COMMAND=build-arm-chroot
else
echo 'Please install qemu-arm-static to use foreign armel chroots' >&2
exit 1
if [ ! -f "/usr/bin/build-arm-chroot" ]; then
sudo apt-get install qemu-kvm-extras-static
fi
DEBOOTSTRAP_COMMAND=build-arm-chroot
fi
case "$SRC_TYPE" in
"lvm")
case "$SCHROOT_TYPE" in
"lvm-snapshot")
# Install lvm2 if missing
dpkg -l lvm2 > /dev/null || sudo apt-get install lvm2
# Allocate the "golden" chroot LV
sudo lvcreate -n "$CHROOT_LV" -L "$LV_SIZE" "$VG"
sudo mkfs -t ext4 "$CHROOT_PATH"
@ -355,8 +373,7 @@ case "$SRC_TYPE" in
MNT=`mktemp -d -t schroot-XXXXXX`
sudo mount "$CHROOT_PATH" "$MNT"
;;
"union")
CHROOT_PATH="${SOURCE_CHROOTS_DIR}/${CHROOT_NAME}"
"directory")
MNT="${CHROOT_PATH}"
if [ -d "${MNT}" ]; then
echo "E: ${MNT} already exists; aborting" >&2
@ -364,10 +381,12 @@ case "$SRC_TYPE" in
fi
sudo mkdir -p "${MNT}"
;;
"file")
MNT=`mktemp -d -t schroot-XXXXXX`
esac
# debootstrap the chroot
sudo $DEBOOTSTRAP_COMMAND $arch_opt $variant_opt "$RELEASE" "$MNT" "${DEBOOTSTRAP_MIRROR:-http://archive.ubuntu.com/ubuntu}"
sudo "$DEBOOTSTRAP_COMMAND" --arch="$CHROOT_ARCH" $variant_opt "$RELEASE" "$MNT" "${DEBOOTSTRAP_MIRROR:-http://archive.ubuntu.com/ubuntu}"
# Update the package sources
TEMP_SOURCES=`mktemp -t sources-XXXXXX`
@ -402,7 +421,7 @@ sudo cp /etc/localtime /etc/timezone "$MNT"/etc/
# Create a schroot entry for this chroot
TEMP_SCHROOTCONF=`mktemp -t schrootconf-XXXXXX`
TEMPLATE_SCHROOTCONF=~/.mk-sbuild.schroot.conf
TYPED_TEMPLATE_SCHROOTCONF="${TEMPLATE_SCHROOTCONF}.${SCHROOT_CONF_TYPE}"
TYPED_TEMPLATE_SCHROOTCONF="${TEMPLATE_SCHROOTCONF}.${SCHROOT_TYPE}"
if [ -r "${TYPED_TEMPLATE_SCHROOTCONF}" ]; then
cat "${TYPED_TEMPLATE_SCHROOTCONF}" > "$TEMP_SCHROOTCONF"
@ -410,7 +429,6 @@ elif [ -r "${TEMPLATE_SCHROOT}" ]; then
cat "$TEMPLATE_SCHROOTCONF" > "$TEMP_SCHROOTCONF"
else
cat > "$TEMP_SCHROOTCONF" <<EOM
[CHROOT_NAME]
description=CHROOT_NAME
priority=3
@ -420,20 +438,29 @@ root-groups=root,sbuild,admin
# the -source chroots directly (useful for automated updates, etc).
#source-root-users=root,sbuild,admin
#source-root-groups=root,sbuild,admin
type=SCHROOT_CONF_TYPE
type=SCHROOT_TYPE
EOM
if [ "${SRC_TYPE}" = "lvm" ]; then
case "$SCHROOT_TYPE" in
"lvm-snapshot")
cat >> "$TEMP_SCHROOTCONF" <<EOM
device=CHROOT_PATH
mount-options=-o noatime
lvm-snapshot-options=--size SNAPSHOT_SIZE
EOM
elif [ "${SRC_TYPE}" = "union" ]; then
;;
"directory")
cat >> "${TEMP_SCHROOTCONF}" <<EOM
union-type=aufs
directory=CHROOT_PATH
EOM
fi
;;
"file")
cat >> "$TEMP_SCHROOTCONF" << EOM
union-type=aufs
file=CHROOT_PATH
EOM
;;
esac
fi
if [ ! -z "$personality" ]; then
echo "personality=$personality" >> "$TEMP_SCHROOTCONF"
@ -445,7 +472,7 @@ cat "$TEMP_SCHROOTCONF" | sed \
-e "s|CHROOT_NAME|$CHROOT_NAME|g" \
-e "s|CHROOT_PATH|$CHROOT_PATH|g" \
-e "s|SNAPSHOT_SIZE|$SNAPSHOT_SIZE|g" \
-e "s|SCHROOT_CONF_TYPE|$SCHROOT_CONF_TYPE|g" \
-e "s|SCHROOT_TYPE|$SCHROOT_TYPE|g" \
| \
sudo bash -c "cat >> /etc/schroot/schroot.conf"
rm -f "$TEMP_SCHROOTCONF"
@ -476,10 +503,19 @@ rm /finish.sh
EOM
sudo chmod a+x "$MNT"/finish.sh
if [ "$SRC_TYPE" = "lvm" ]; then
case "$SCHROOT_TYPE" in
"lvm-snapshot")
sudo umount "$MNT"
rmdir "$MNT"
fi
;;
"directory")
;;
"file")
(cd "$MNT" && sudo tar czf "$CHROOT_PATH" .)
sudo rm -r "$MNT"
;;
esac
# Run finalization script on the "golden" copy via schroot.
sudo schroot -c "$CHROOT_NAME"-source -u root /finish.sh