e857716d2d
Failure to do this means that file capabilites are not preserved in the image. Ping fails to work as a non-root user if cap_net_raw is capability is not set Signed-off-by: Dan Griffin <dgriffin@peer1.com>
65 lines
2 KiB
Bash
Executable file
65 lines
2 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Generate a minimal filesystem for archlinux and load it into the local
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# docker as "archlinux"
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# requires root
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set -e
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hash pacstrap &>/dev/null || {
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echo "Could not find pacstrap. Run pacman -S arch-install-scripts"
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exit 1
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}
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hash expect &>/dev/null || {
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echo "Could not find expect. Run pacman -S expect"
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exit 1
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}
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ROOTFS=$(mktemp -d ${TMPDIR:-/var/tmp}/rootfs-archlinux-XXXXXXXXXX)
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chmod 755 $ROOTFS
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# packages to ignore for space savings
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PKGIGNORE=linux,jfsutils,lvm2,cryptsetup,groff,man-db,man-pages,mdadm,pciutils,pcmciautils,reiserfsprogs,s-nail,xfsprogs
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expect <<EOF
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set send_slow {1 .1}
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proc send {ignore arg} {
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sleep .1
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exp_send -s -- \$arg
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}
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set timeout 60
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spawn pacstrap -C ./mkimage-arch-pacman.conf -c -d -G -i $ROOTFS base haveged --ignore $PKGIGNORE
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expect {
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-exact "anyway? \[Y/n\] " { send -- "n\r"; exp_continue }
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-exact "(default=all): " { send -- "\r"; exp_continue }
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-exact "installation? \[Y/n\]" { send -- "y\r"; exp_continue }
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}
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EOF
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arch-chroot $ROOTFS /bin/sh -c "haveged -w 1024; pacman-key --init; pkill haveged; pacman -Rs --noconfirm haveged; pacman-key --populate archlinux"
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arch-chroot $ROOTFS /bin/sh -c "ln -s /usr/share/zoneinfo/UTC /etc/localtime"
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echo 'en_US.UTF-8 UTF-8' > $ROOTFS/etc/locale.gen
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arch-chroot $ROOTFS locale-gen
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arch-chroot $ROOTFS /bin/sh -c 'echo "Server = https://mirrors.kernel.org/archlinux/\$repo/os/\$arch" > /etc/pacman.d/mirrorlist'
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# udev doesn't work in containers, rebuild /dev
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DEV=$ROOTFS/dev
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rm -rf $DEV
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mkdir -p $DEV
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mknod -m 666 $DEV/null c 1 3
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mknod -m 666 $DEV/zero c 1 5
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mknod -m 666 $DEV/random c 1 8
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mknod -m 666 $DEV/urandom c 1 9
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mkdir -m 755 $DEV/pts
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mkdir -m 1777 $DEV/shm
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mknod -m 666 $DEV/tty c 5 0
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mknod -m 600 $DEV/console c 5 1
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mknod -m 666 $DEV/tty0 c 4 0
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mknod -m 666 $DEV/full c 1 7
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mknod -m 600 $DEV/initctl p
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mknod -m 666 $DEV/ptmx c 5 2
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ln -sf /proc/self/fd $DEV/fd
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tar --numeric-owner --xattrs --acls -C $ROOTFS -c . | docker import - archlinux
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docker run -i -t archlinux echo Success.
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rm -rf $ROOTFS
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