#!/bin/bash
# This file is part of Cockpit.
#
# Copyright (C) 2016 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.

set -ex

# Disable device renaming for predictable names between different qemus
grubby --update-kernel=ALL --args="net.ifnames=0 biosdevname=0"

# HACK: docker fails without /etc/resolv.conf
# https://bugzilla.redhat.com/show_bug.cgi?id=1448331
mkdir -p /etc/systemd/system/docker.service.d
printf "[Service]\nExecStartPre=/bin/sh -c 'echo -n >> /etc/resolv.conf'\n" > /etc/systemd/system/docker.service.d/resolv.conf
systemctl daemon-reload

# The docker pool should grow automatically as needed, but we grow it
# explicitly here anyway.  This is hopefully more reliable.
# HACK: docker falls over regularly, print its log if it does
systemctl start docker || journalctl -u docker
lvresize atomicos/root        -l+50%FREE -r
lvresize atomicos/docker-pool -l+100%FREE

# we need cockpit/ws as well
docker pull cockpit/ws

# docker images that we need for integration testing
/var/lib/testvm/docker-images.setup

# Configure core dumps
echo "kernel.core_pattern=|/usr/lib/systemd/systemd-coredump %p %u %g %s %t %e" > /etc/sysctl.d/50-coredump.conf

# Switch to continuous stream
ostree remote add --set=gpg-verify=false centos-atomic-continuous https://ci.centos.org/artifacts/sig-atomic/rdgo/centos-continuous/ostree/repo/
rpm-ostree rebase centos-atomic-continuous:centos-atomic-host/7/x86_64/devel/continuous

ostree checkout centos-atomic-continuous:centos-atomic-host/7/x86_64/devel/continuous /var/local-tree

# reduce image size
/var/lib/testvm/zero-disk.setup

# Prevent SSH from hanging for a long time when no external network access
echo 'UseDNS no' >> /etc/ssh/sshd_config

# Final tweaks
rm -rf /var/log/journal/*