mirror of https://github.com/docker/docs.git
68 lines
2.0 KiB
Bash
Executable File
68 lines
2.0 KiB
Bash
Executable File
#!/bin/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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PACSTRAP=$(which pacstrap)
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[ "$PACSTRAP" ] || {
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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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EXPECT=$(which expect)
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[ "$EXPECT" ] || {
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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=~/rootfs-arch-$$-$RANDOM
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mkdir $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 timeout 60
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set send_slow {1 1}
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spawn pacstrap -c -d -G -i $ROOTFS base haveged --ignore $PKGIGNORE
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expect {
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"Install anyway?" { send n\r; exp_continue }
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"(default=all)" { send \r; exp_continue }
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"Proceed with installation?" { send "\r"; exp_continue }
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"skip the above package" {send "y\r"; exp_continue }
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"checking" { exp_continue }
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"loading" { exp_continue }
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"installing" { 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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cat > $ROOTFS/etc/locale.gen <<DELIM
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en_US.UTF-8 UTF-8
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en_US ISO-8859-1
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DELIM
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arch-chroot $ROOTFS locale-gen
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arch-chroot $ROOTFS /bin/sh -c 'echo "Server = http://mirrors.kernel.org/archlinux/\$repo/os/\$arch" > /etc/pacman.d/mirrorlist'
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# udev doesn't work in containers, rebuild /dev
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DEV=${ROOTFS}/dev
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mv ${DEV} ${DEV}.old
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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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tar --numeric-owner -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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