Container Infrastructure Management Service for OpenStack
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# This file contains docker storage drivers configuration for fedora
# atomic hosts, as supported by Magnum.
# * Remove any existing docker-storage configuration. In case of an
# existing configuration, docker-storage-setup will fail.
# * Remove docker storage graph
ssh_cmd="ssh -F /srv/magnum/.ssh/config root@localhost"
clear_docker_storage () {
# stop docker
$ssh_cmd systemctl stop docker
$ssh_cmd systemctl disable docker-storage-setup
# clear storage graph
$ssh_cmd rm -rf /var/lib/docker/*
if [ -f /etc/sysconfig/docker-storage ]; then
sed -i "/^DOCKER_STORAGE_OPTIONS=/ s/=.*/=/" /etc/sysconfig/docker-storage
fi
}
# Configure generic docker storage driver.
configure_storage_driver_generic() {
clear_docker_storage
if [ -n "$DOCKER_VOLUME_SIZE" ] && [ "$DOCKER_VOLUME_SIZE" -gt 0 ]; then
$ssh_cmd mkfs.xfs -f ${device_path}
echo "${device_path} /var/lib/docker xfs defaults 0 0" >> /etc/fstab
$ssh_cmd mount -a
fi
echo "DOCKER_STORAGE_OPTIONS=\"--storage-driver $1\"" > /etc/sysconfig/docker-storage
}
# Configure docker storage with devicemapper using direct LVM
configure_devicemapper () {
clear_docker_storage
echo "GROWROOT=True" > /etc/sysconfig/docker-storage-setup
echo "STORAGE_DRIVER=devicemapper" >> /etc/sysconfig/docker-storage-setup
if [ -n "$DOCKER_VOLUME_SIZE" ] && [ "$DOCKER_VOLUME_SIZE" -gt 0 ]; then
$ssh_cmd pvcreate -f ${device_path}
$ssh_cmd vgcreate docker ${device_path}
echo "VG=docker" >> /etc/sysconfig/docker-storage-setup
else
echo "ROOT_SIZE=5GB" >> /etc/sysconfig/docker-storage-setup
echo "DATA_SIZE=95%FREE" >> /etc/sysconfig/docker-storage-setup
fi
$ssh_cmd docker-storage-setup
}