| #!/bin/bash |
| # Generate a minimal filesystem for archlinux and load it into the local |
| # docker as "archlinux" |
| # requires root |
| set -e |
| |
| PACSTRAP=$(which pacstrap) |
| [ "$PACSTRAP" ] || { |
| echo "Could not find pacstrap. Run pacman -S arch-install-scripts" |
| exit 1 |
| } |
| EXPECT=$(which expect) |
| [ "$EXPECT" ] || { |
| echo "Could not find expect. Run pacman -S expect" |
| exit 1 |
| } |
| |
| ROOTFS=~/rootfs-arch-$$-$RANDOM |
| mkdir $ROOTFS |
| |
| #packages to ignore for space savings |
| PKGIGNORE=linux,jfsutils,lvm2,cryptsetup,groff,man-db,man-pages,mdadm,pciutils,pcmciautils,reiserfsprogs,s-nail,xfsprogs |
| |
| expect -c " |
| set timeout 60 |
| spawn pacstrap -c -d -G -i $ROOTFS base haveged --ignore $PKGIGNORE |
| expect { |
| \"Install anyway\" { send "n\\r"; exp_continue } |
| \"(default=all)\" { send "\\r"; exp_continue } |
| \"Proceed with installation?\" { send "\\r"; exp_continue } |
| \"skip the above package\" {send "y\\r"; exp_continue } |
| \"checking\" { exp_continue } |
| \"loading\" { exp_continue } |
| \"installing\" { exp_continue } |
| }" |
| |
| arch-chroot $ROOTFS /bin/sh -c "haveged -w 1024; pacman-key --init; pkill haveged; pacman -Rs --noconfirm haveged; pacman-key --populate archlinux" |
| arch-chroot $ROOTFS /bin/sh -c "ln -s /usr/share/zoneinfo/UTC /etc/localtime" |
| cat > $ROOTFS/etc/locale.gen <<DELIM |
| en_US.UTF-8 UTF-8 |
| en_US ISO-8859-1 |
| DELIM |
| arch-chroot $ROOTFS locale-gen |
| arch-chroot $ROOTFS /bin/sh -c 'echo "Server = http://mirrors.kernel.org/archlinux/\$repo/os/\$arch" > /etc/pacman.d/mirrorlist' |
| |
| # udev doesn't work in containers, rebuild /dev |
| DEV=${ROOTFS}/dev |
| mv ${DEV} ${DEV}.old |
| mkdir -p ${DEV} |
| mknod -m 666 ${DEV}/null c 1 3 |
| mknod -m 666 ${DEV}/zero c 1 5 |
| mknod -m 666 ${DEV}/random c 1 8 |
| mknod -m 666 ${DEV}/urandom c 1 9 |
| mkdir -m 755 ${DEV}/pts |
| mkdir -m 1777 ${DEV}/shm |
| mknod -m 666 ${DEV}/tty c 5 0 |
| mknod -m 600 ${DEV}/console c 5 1 |
| mknod -m 666 ${DEV}/tty0 c 4 0 |
| mknod -m 666 ${DEV}/full c 1 7 |
| mknod -m 600 ${DEV}/initctl p |
| mknod -m 666 ${DEV}/ptmx c 5 2 |
| |
| tar -C $ROOTFS -c . | docker import - archlinux |
| docker run -i -t archlinux echo Success. |
| rm -rf $ROOTFS |