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Add rootfs generator for Ubuntu 14.04

master
dump_stack() 2 years ago
parent
commit
5e6a9dec93
Signed by: dump_stack GPG Key ID: BE44DA8C062D87DC
  1. 34
      tools/qemu-debian-img/14.04/Dockerfile
  2. 17
      tools/qemu-debian-img/14.04/setup.sh

34
tools/qemu-debian-img/14.04/Dockerfile

@ -0,0 +1,34 @@
# Copyright 2018 Mikhail Klementev. All rights reserved.
# Use of this source code is governed by a AGPLv3 license
# (or later) that can be found in the LICENSE file.
#
# Usage:
#
# $ docker build -t gen-ubuntu1404-image .
# $ docker run --privileged -v $(pwd):/shared -t gen-ubuntu1404-image
#
# ubuntu1404.img will be created in current directory. You can change $(pwd) to
# different directory to use different destination for image.
#
FROM ubuntu:14.04
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update
RUN apt-get install -y debootstrap qemu
ENV TMPDIR=/tmp/ubuntu
ENV IMAGEDIR=/tmp/image
ENV IMAGE=/shared/out_of_tree_ubuntu_14__04.img
ENV REPOSITORY=http://archive.ubuntu.com/ubuntu
ENV RELEASE=trusty
RUN mkdir $IMAGEDIR
# Must be executed with --privileged because of /dev/loop
CMD debootstrap --include=openssh-server $RELEASE $TMPDIR $REPOSITORY && \
/shared/setup.sh $TMPDIR && \
qemu-img create $IMAGE 2G && \
mkfs.ext4 -F $IMAGE && \
mount -o loop $IMAGE $IMAGEDIR && \
cp -a $TMPDIR/* $IMAGEDIR/ && \
umount $IMAGEDIR

17
tools/qemu-debian-img/14.04/setup.sh

@ -0,0 +1,17 @@
#!/bin/sh -eux
# Copyright 2018 Mikhail Klementev. All rights reserved.
# Use of this source code is governed by a AGPLv3 license
# (or later) that can be found in the LICENSE file.
TMPDIR=$1
chroot $TMPDIR /bin/sh -c 'useradd -m user'
sed -i 's/root:\*:/root::/' $TMPDIR/etc/shadow
sed -i 's/user:!!:/user::/' $TMPDIR/etc/shadow
echo auth sufficient pam_permit.so > $TMPDIR/etc/pam.d/sshd
sed -i '/PermitEmptyPasswords/d' $TMPDIR/etc/ssh/sshd_config
echo PermitEmptyPasswords yes >> $TMPDIR/etc/ssh/sshd_config
sed -i '/PermitRootLogin/d' $TMPDIR/etc/ssh/sshd_config
echo PermitRootLogin yes >> $TMPDIR/etc/ssh/sshd_config
echo '#!/bin/sh' > $TMPDIR/etc/rc.local
echo 'dhclient eth0' >> $TMPDIR/etc/rc.local
chmod +x $TMPDIR/etc/rc.local
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