mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
154 lines
3.6 KiB
Bash
Executable file
154 lines
3.6 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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# reset umask to default
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umask 022
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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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export LANG="C.UTF-8"
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ROOTFS=$(mktemp -d ${TMPDIR:-/var/tmp}/rootfs-archlinux-XXXXXXXXXX)
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chmod 755 $ROOTFS
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# required packages
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PKGREQUIRED=(
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bash
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haveged
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pacman
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pacman-mirrorlist
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)
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# packages to ignore for space savings
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PKGIGNORE=(
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dhcpcd
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diffutils
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file
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inetutils
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iproute2
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iputils
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jfsutils
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licenses
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linux
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linux-firmware
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lvm2
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man-db
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man-pages
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mdadm
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nano
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netctl
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openresolv
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pciutils
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pcmciautils
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psmisc
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reiserfsprogs
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s-nail
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sysfsutils
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systemd-sysvcompat
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usbutils
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vi
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which
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xfsprogs
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)
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PKGREMOVE=(
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gawk
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haveged
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less
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linux-libre
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linux-libre-firmware
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)
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PKGREQUIRED="${PKGREQUIRED[*]}"
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IFS=','
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PKGIGNORE="${PKGIGNORE[*]}"
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unset IFS
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PKGREMOVE="${PKGREMOVE[*]}"
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arch="$(uname -m)"
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case "$arch" in
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armv*)
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if pacman -Q archlinuxarm-keyring >/dev/null 2>&1; then
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pacman-key --init
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pacman-key --populate archlinuxarm
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else
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echo "Could not find archlinuxarm-keyring. Please, install it and run pacman-key --populate archlinuxarm"
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exit 1
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fi
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PACMAN_CONF=$(mktemp ${TMPDIR:-/var/tmp}/pacman-conf-archlinux-XXXXXXXXX)
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version="$(echo $arch | cut -c 5)"
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sed "s/Architecture = armv/Architecture = armv${version}h/g" './mkimage-archarm-pacman.conf' > "${PACMAN_CONF}"
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PACMAN_MIRRORLIST='Server = http://mirror.archlinuxarm.org/$arch/$repo'
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PACMAN_EXTRA_PKGS='archlinuxarm-keyring'
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EXPECT_TIMEOUT=1800 # Most armv* based devices can be very slow (e.g. RPiv1)
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ARCH_KEYRING=archlinuxarm
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DOCKER_IMAGE_NAME="armv${version}h/archlinux"
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;;
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*)
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PACMAN_CONF='./mkimage-arch-pacman.conf'
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PACMAN_MIRRORLIST='Server = https://mirrors.kernel.org/archlinux/$repo/os/$arch'
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PACMAN_EXTRA_PKGS=''
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EXPECT_TIMEOUT=60
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ARCH_KEYRING=archlinux
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DOCKER_IMAGE_NAME=archlinux
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;;
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esac
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export PACMAN_MIRRORLIST
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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 $EXPECT_TIMEOUT
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spawn pacstrap -C $PACMAN_CONF -c -d -G -i $ROOTFS base $PKGREQUIRED $PACMAN_EXTRA_PKGS --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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-exact "delete it? \[Y/n\]" { send -- "y\r"; exp_continue }
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}
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EOF
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arch-chroot $ROOTFS /bin/sh -c 'rm -r /usr/share/man/*'
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arch-chroot $ROOTFS /bin/sh -c "haveged -w 1024; pacman-key --init; pkill haveged; pacman-key --populate $ARCH_KEYRING"
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arch-chroot $ROOTFS /bin/sh -c "ln -sf /usr/share/zoneinfo/UTC /etc/localtime"
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arch-chroot $ROOTFS /bin/sh -c "for pkg in $PKGREMOVE; do if pacman -Qi \$pkg > /dev/null 2>&1; then pacman -Rs --noconfirm \$pkg; fi; done"
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echo 'en_US.UTF-8 UTF-8' > $ROOTFS/etc/locale.gen
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arch-chroot $ROOTFS locale-gen
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# udev doesn't work in containers, rebuild /dev
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DEV=$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 - $DOCKER_IMAGE_NAME
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docker run --rm -t $DOCKER_IMAGE_NAME echo Success.
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rm -rf $ROOTFS
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