github.com/fcwu/docker@v1.4.2-0.20150115145920-2a69ca89f0df/contrib/mkimage-arch.sh (about)

     1  #!/usr/bin/env bash
     2  # Generate a minimal filesystem for archlinux and load it into the local
     3  # docker as "archlinux"
     4  # requires root
     5  set -e
     6  
     7  hash pacstrap &>/dev/null || {
     8  	echo "Could not find pacstrap. Run pacman -S arch-install-scripts"
     9  	exit 1
    10  }
    11  
    12  hash expect &>/dev/null || {
    13  	echo "Could not find expect. Run pacman -S expect"
    14  	exit 1
    15  }
    16  
    17  ROOTFS=$(mktemp -d ${TMPDIR:-/var/tmp}/rootfs-archlinux-XXXXXXXXXX)
    18  chmod 755 $ROOTFS
    19  
    20  # packages to ignore for space savings
    21  PKGIGNORE=linux,jfsutils,lvm2,cryptsetup,groff,man-db,man-pages,mdadm,pciutils,pcmciautils,reiserfsprogs,s-nail,xfsprogs
    22  
    23  expect <<EOF
    24  	set send_slow {1 .1}
    25  	proc send {ignore arg} {
    26  		sleep .1
    27  		exp_send -s -- \$arg
    28  	}
    29  	set timeout 60
    30  
    31  	spawn pacstrap -C ./mkimage-arch-pacman.conf -c -d -G -i $ROOTFS base haveged --ignore $PKGIGNORE
    32  	expect {
    33  		-exact "anyway? \[Y/n\] " { send -- "n\r"; exp_continue }
    34  		-exact "(default=all): " { send -- "\r"; exp_continue }
    35  		-exact "installation? \[Y/n\]" { send -- "y\r"; exp_continue }
    36  	}
    37  EOF
    38  
    39  arch-chroot $ROOTFS /bin/sh -c "haveged -w 1024; pacman-key --init; pkill haveged; pacman -Rs --noconfirm haveged; pacman-key --populate archlinux; pkill gpg-agent"
    40  arch-chroot $ROOTFS /bin/sh -c "ln -s /usr/share/zoneinfo/UTC /etc/localtime"
    41  echo 'en_US.UTF-8 UTF-8' > $ROOTFS/etc/locale.gen
    42  arch-chroot $ROOTFS locale-gen
    43  arch-chroot $ROOTFS /bin/sh -c 'echo "Server = https://mirrors.kernel.org/archlinux/\$repo/os/\$arch" > /etc/pacman.d/mirrorlist'
    44  
    45  # udev doesn't work in containers, rebuild /dev
    46  DEV=$ROOTFS/dev
    47  rm -rf $DEV
    48  mkdir -p $DEV
    49  mknod -m 666 $DEV/null c 1 3
    50  mknod -m 666 $DEV/zero c 1 5
    51  mknod -m 666 $DEV/random c 1 8
    52  mknod -m 666 $DEV/urandom c 1 9
    53  mkdir -m 755 $DEV/pts
    54  mkdir -m 1777 $DEV/shm
    55  mknod -m 666 $DEV/tty c 5 0
    56  mknod -m 600 $DEV/console c 5 1
    57  mknod -m 666 $DEV/tty0 c 4 0
    58  mknod -m 666 $DEV/full c 1 7
    59  mknod -m 600 $DEV/initctl p
    60  mknod -m 666 $DEV/ptmx c 5 2
    61  ln -sf /proc/self/fd $DEV/fd
    62  
    63  tar --numeric-owner --xattrs --acls -C $ROOTFS -c . | docker import - archlinux
    64  docker run -i -t archlinux echo Success.
    65  rm -rf $ROOTFS