devstack/lib/nova_plugins/hypervisor-libvirt
Matt Riedemann 9278eb78df Move setting lvm libvirt configs to hypervisor-libvirt
When the nova backend is LVM we set some libvirt configs
in nova.conf. Those should happen in the libvirt plugin
file rather than the generic nova file since it's specific
to running nova-compute with libvirt.

Change-Id: I37a63a5fba2e9eea4daafe4ec390b2e7aac236f3
2016-05-18 13:38:38 -04:00

119 lines
3.7 KiB
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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
_XTRACE_NOVA_LIBVIRT=$(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 vnc enabled "false"
fi
# arm64-specific configuration
if is_arch "aarch64"; then
# arm64 architecture currently does not support graphical consoles.
iniset $NOVA_CONF 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 vnc vncserver_proxyclient_address $HOST_IP
iniset $NOVA_CONF vnc vncserver_listen $HOST_IP
iniset $NOVA_CONF vnc keymap
elif [[ "$NOVA_BACKEND" == "LVM" ]]; then
iniset $NOVA_CONF libvirt images_type "lvm"
iniset $NOVA_CONF libvirt images_volume_group $DEFAULT_VOLUME_GROUP_NAME
if isset LVM_VOLUME_CLEAR; then
iniset $NOVA_CONF libvirt volume_clear "$LVM_VOLUME_CLEAR"
fi
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
$_XTRACE_NOVA_LIBVIRT
# Local variables:
# mode: shell-script
# End: