+
+function do_udev_cfg {
+ local _conf='/etc/udev/rules.d/99-opnfv-fuel-vnet-mtu.rules'
+ # http://linuxaleph.blogspot.com/2013/01/how-to-network-jumbo-frames-to-kvm-guest.html
+ echo 'SUBSYSTEM=="net", ACTION=="add|change", KERNEL=="vnet*", RUN+="/bin/sh -c '"'/bin/sleep 1; /sbin/ip link set %k mtu 9000'\"" |& sudo tee "${_conf}"
+ echo 'SUBSYSTEM=="net", ACTION=="add|change", KERNEL=="*-nic", RUN+="/bin/sh -c '"'/bin/sleep 1; /sbin/ip link set %k mtu 9000'\"" |& sudo tee -a "${_conf}"
+ sudo udevadm control --reload
+ sudo udevadm trigger
+}
+
+function do_sysctl_cfg {
+ local _conf='/etc/sysctl.d/99-opnfv-fuel-bridge.conf'
+ # https://wiki.libvirt.org/page/Net.bridge.bridge-nf-call_and_sysctl.conf
+ if modprobe br_netfilter bridge; then
+ echo 'net.bridge.bridge-nf-call-arptables = 0' |& sudo tee "${_conf}"
+ echo 'net.bridge.bridge-nf-call-iptables = 0' |& sudo tee -a "${_conf}"
+ echo 'net.bridge.bridge-nf-call-ip6tables = 0' |& sudo tee -a "${_conf}"
+ # Some distros / sysadmins explicitly blacklist br_netfilter
+ sudo sysctl -q -p "${_conf}" || true
+ fi
+}
+
+function get_nova_compute_pillar_data {
+ local value=$(salt -C 'I@nova:compute and *01*' pillar.get _param:"${1}" --out yaml | cut -d ' ' -f2)
+ if [ "${value}" != "''" ]; then
+ echo "${value}"
+ fi
+}
+
+function docker_install {
+ local image_dir=$1
+ # Mininum effort attempt at installing Docker if missing
+ if ! docker --version; then
+ curl -fsSL https://get.docker.com -o get-docker.sh
+ sudo sh get-docker.sh
+ rm get-docker.sh
+ # On RHEL distros, the Docker service should be explicitly started
+ sudo systemctl start docker
+ else
+ DOCKER_VER=$(docker version --format '{{.Server.Version}}')
+ if [ "${DOCKER_VER%%.*}" -lt 2 ]; then
+ notify_e "[ERROR] Docker version ${DOCKER_VER} is too old, please upgrade it."
+ fi
+ fi
+ # Distro-provided docker-compose might be simply broken (Ubuntu 16.04, CentOS 7)
+ COMPOSE_BIN="${image_dir}/docker-compose"
+ COMPOSE_VERSION='1.22.0'
+ notify_n "[WARN] Using docker-compose ${COMPOSE_VERSION} in ${COMPOSE_BIN}" 3
+ if [ ! -e "${COMPOSE_BIN}" ]; then
+ COMPOSE_URL="https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}"
+ sudo curl -L "${COMPOSE_URL}/docker-compose-$(uname -s)-$(uname -m)" -o "${COMPOSE_BIN}"
+ sudo chmod +x "${COMPOSE_BIN}"
+ fi
+}