gopkg.in/dotcloud/docker.v1@v1.13.1/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  
    18  export LANG="C.UTF-8"
    19  
    20  ROOTFS=$(mktemp -d ${TMPDIR:-/var/tmp}/rootfs-archlinux-XXXXXXXXXX)
    21  chmod 755 $ROOTFS
    22  
    23  # packages to ignore for space savings
    24  PKGIGNORE=(
    25      cryptsetup
    26      device-mapper
    27      dhcpcd
    28      iproute2
    29      jfsutils
    30      linux
    31      lvm2
    32      man-db
    33      man-pages
    34      mdadm
    35      nano
    36      netctl
    37      openresolv
    38      pciutils
    39      pcmciautils
    40      reiserfsprogs
    41      s-nail
    42      systemd-sysvcompat
    43      usbutils
    44      vi
    45      xfsprogs
    46  )
    47  IFS=','
    48  PKGIGNORE="${PKGIGNORE[*]}"
    49  unset IFS
    50  
    51  arch="$(uname -m)"
    52  case "$arch" in
    53  	armv*)
    54  		if pacman -Q archlinuxarm-keyring >/dev/null 2>&1; then
    55  			pacman-key --init
    56  			pacman-key --populate archlinuxarm
    57  		else
    58  			echo "Could not find archlinuxarm-keyring. Please, install it and run pacman-key --populate archlinuxarm"
    59  			exit 1
    60  		fi
    61  		PACMAN_CONF=$(mktemp ${TMPDIR:-/var/tmp}/pacman-conf-archlinux-XXXXXXXXX)
    62  		version="$(echo $arch | cut -c 5)"
    63  		sed "s/Architecture = armv/Architecture = armv${version}h/g" './mkimage-archarm-pacman.conf' > "${PACMAN_CONF}"
    64  		PACMAN_MIRRORLIST='Server = http://mirror.archlinuxarm.org/$arch/$repo'
    65  		PACMAN_EXTRA_PKGS='archlinuxarm-keyring'
    66  		EXPECT_TIMEOUT=1800 # Most armv* based devices can be very slow (e.g. RPiv1)
    67  		ARCH_KEYRING=archlinuxarm
    68  		DOCKER_IMAGE_NAME="armv${version}h/archlinux"
    69  		;;
    70  	*)
    71  		PACMAN_CONF='./mkimage-arch-pacman.conf'
    72  		PACMAN_MIRRORLIST='Server = https://mirrors.kernel.org/archlinux/$repo/os/$arch'
    73  		PACMAN_EXTRA_PKGS=''
    74  		EXPECT_TIMEOUT=60
    75  		ARCH_KEYRING=archlinux
    76  		DOCKER_IMAGE_NAME=archlinux
    77  		;;
    78  esac
    79  
    80  export PACMAN_MIRRORLIST
    81  
    82  expect <<EOF
    83  	set send_slow {1 .1}
    84  	proc send {ignore arg} {
    85  		sleep .1
    86  		exp_send -s -- \$arg
    87  	}
    88  	set timeout $EXPECT_TIMEOUT
    89  
    90  	spawn pacstrap -C $PACMAN_CONF -c -d -G -i $ROOTFS base haveged $PACMAN_EXTRA_PKGS --ignore $PKGIGNORE
    91  	expect {
    92  		-exact "anyway? \[Y/n\] " { send -- "n\r"; exp_continue }
    93  		-exact "(default=all): " { send -- "\r"; exp_continue }
    94  		-exact "installation? \[Y/n\]" { send -- "y\r"; exp_continue }
    95  		-exact "delete it? \[Y/n\]" { send -- "y\r"; exp_continue }
    96  	}
    97  EOF
    98  
    99  arch-chroot $ROOTFS /bin/sh -c 'rm -r /usr/share/man/*'
   100  arch-chroot $ROOTFS /bin/sh -c "haveged -w 1024; pacman-key --init; pkill haveged; pacman -Rs --noconfirm haveged; pacman-key --populate $ARCH_KEYRING; pkill gpg-agent"
   101  arch-chroot $ROOTFS /bin/sh -c "ln -s /usr/share/zoneinfo/UTC /etc/localtime"
   102  echo 'en_US.UTF-8 UTF-8' > $ROOTFS/etc/locale.gen
   103  arch-chroot $ROOTFS locale-gen
   104  arch-chroot $ROOTFS /bin/sh -c 'echo $PACMAN_MIRRORLIST > /etc/pacman.d/mirrorlist'
   105  
   106  # udev doesn't work in containers, rebuild /dev
   107  DEV=$ROOTFS/dev
   108  rm -rf $DEV
   109  mkdir -p $DEV
   110  mknod -m 666 $DEV/null c 1 3
   111  mknod -m 666 $DEV/zero c 1 5
   112  mknod -m 666 $DEV/random c 1 8
   113  mknod -m 666 $DEV/urandom c 1 9
   114  mkdir -m 755 $DEV/pts
   115  mkdir -m 1777 $DEV/shm
   116  mknod -m 666 $DEV/tty c 5 0
   117  mknod -m 600 $DEV/console c 5 1
   118  mknod -m 666 $DEV/tty0 c 4 0
   119  mknod -m 666 $DEV/full c 1 7
   120  mknod -m 600 $DEV/initctl p
   121  mknod -m 666 $DEV/ptmx c 5 2
   122  ln -sf /proc/self/fd $DEV/fd
   123  
   124  tar --numeric-owner --xattrs --acls -C $ROOTFS -c . | docker import - $DOCKER_IMAGE_NAME
   125  docker run --rm -t $DOCKER_IMAGE_NAME echo Success.
   126  rm -rf $ROOTFS