devstack/lib/nova_plugins/hypervisor-libvirt

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#!/bin/bash
#
# lib/nova_plugins/hypervisor-libvirt
# Configure the libvirt hypervisor
# Enable with:
# VIRT_DRIVER=libvirt
# Dependencies:
# ``functions`` file
# ``nova`` configuration
# install_nova_hypervisor - install any external requirements
# configure_nova_hypervisor - make configuration changes, including those to other services
# start_nova_hypervisor - start any external services
# stop_nova_hypervisor - stop any external services
# cleanup_nova_hypervisor - remove transient data and cache
# Save trace setting
MY_XTRACE=$(set +o | grep xtrace)
set +o xtrace
source $TOP_DIR/lib/nova_plugins/functions-libvirt
# Defaults
# --------
# Entry Points
# ------------
# clean_nova_hypervisor - Clean up an installation
function cleanup_nova_hypervisor {
# This function intentionally left blank
:
}
# configure_nova_hypervisor - Set config files, create data dirs, etc
function configure_nova_hypervisor {
configure_libvirt
iniset $NOVA_CONF libvirt virt_type "$LIBVIRT_TYPE"
iniset $NOVA_CONF libvirt cpu_mode "none"
iniset $NOVA_CONF libvirt use_usb_tablet "False"
iniset $NOVA_CONF libvirt live_migration_uri "qemu+ssh://$STACK_USER@%s/system"
iniset $NOVA_CONF DEFAULT default_ephemeral_format "ext4"
iniset $NOVA_CONF DEFAULT compute_driver "libvirt.LibvirtDriver"
LIBVIRT_FIREWALL_DRIVER=${LIBVIRT_FIREWALL_DRIVER:-"nova.virt.libvirt.firewall.IptablesFirewallDriver"}
iniset $NOVA_CONF DEFAULT firewall_driver "$LIBVIRT_FIREWALL_DRIVER"
# Power architecture currently does not support graphical consoles.
if is_arch "ppc64"; then
iniset $NOVA_CONF DEFAULT vnc_enabled "false"
fi
# arm64-specific configuration
if is_arch "aarch64"; then
# arm64 architecture currently does not support graphical consoles.
iniset $NOVA_CONF DEFAULT vnc_enabled "false"
fi
# File injection is being disabled by default in the near future -
# disable it here for now to avoid surprises later.
iniset $NOVA_CONF libvirt inject_partition '-2'
if [[ "$LIBVIRT_TYPE" = "parallels" ]]; then
iniset $NOVA_CONF libvirt connection_uri "parallels+unix:///system"
iniset $NOVA_CONF libvirt images_type "ploop"
iniset $NOVA_CONF DEFAULT force_raw_images "False"
iniset $NOVA_CONF DEFAULT vncserver_proxyclient_address $HOST_IP
iniset $NOVA_CONF DEFAULT vncserver_listen $HOST_IP
iniset $NOVA_CONF DEFAULT vnc_keymap
fi
}
# install_nova_hypervisor() - Install external components
function install_nova_hypervisor {
install_libvirt
# Install and configure **LXC** if specified. LXC is another approach to
# splitting a system into many smaller parts. LXC uses cgroups and chroot
# to simulate multiple systems.
if [[ "$LIBVIRT_TYPE" == "lxc" ]]; then
if is_ubuntu; then
if [[ "$DISTRO" > natty ]]; then
install_package cgroup-lite
fi
else
### FIXME(dtroyer): figure this out
echo "RPM-based cgroup not implemented yet"
yum_install libcgroup-tools
fi
fi
}
# start_nova_hypervisor - Start any required external services
function start_nova_hypervisor {
# This function intentionally left blank
:
}
# stop_nova_hypervisor - Stop any external services
function stop_nova_hypervisor {
# This function intentionally left blank
:
}
# Restore xtrace
$MY_XTRACE
# Local variables:
# mode: shell-script
# End: