115 lines
3.5 KiB
Bash
115 lines
3.5 KiB
Bash
#!/bin/bash
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#
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# lib/nova_plugins/hypervisor-libvirt
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# Configure the libvirt hypervisor
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# Enable with:
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# VIRT_DRIVER=libvirt
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# Dependencies:
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# ``functions`` file
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# ``nova`` configuration
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# install_nova_hypervisor - install any external requirements
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# configure_nova_hypervisor - make configuration changes, including those to other services
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# start_nova_hypervisor - start any external services
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# stop_nova_hypervisor - stop any external services
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# cleanup_nova_hypervisor - remove transient data and cache
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# Save trace setting
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MY_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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source $TOP_DIR/lib/nova_plugins/functions-libvirt
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# Defaults
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# --------
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# File injection is disabled by default in Nova. This will turn it back on.
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ENABLE_FILE_INJECTION=${ENABLE_FILE_INJECTION:-False}
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# Entry Points
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# ------------
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# clean_nova_hypervisor - Clean up an installation
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function cleanup_nova_hypervisor {
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# This function intentionally left blank
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:
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}
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# configure_nova_hypervisor - Set config files, create data dirs, etc
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function configure_nova_hypervisor {
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configure_libvirt
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iniset $NOVA_CONF libvirt virt_type "$LIBVIRT_TYPE"
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iniset $NOVA_CONF libvirt cpu_mode "none"
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iniset $NOVA_CONF libvirt use_usb_tablet "False"
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iniset $NOVA_CONF libvirt live_migration_uri "qemu+ssh://$STACK_USER@%s/system"
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iniset $NOVA_CONF DEFAULT default_ephemeral_format "ext4"
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iniset $NOVA_CONF DEFAULT compute_driver "libvirt.LibvirtDriver"
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LIBVIRT_FIREWALL_DRIVER=${LIBVIRT_FIREWALL_DRIVER:-"nova.virt.libvirt.firewall.IptablesFirewallDriver"}
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iniset $NOVA_CONF DEFAULT firewall_driver "$LIBVIRT_FIREWALL_DRIVER"
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# Power architecture currently does not support graphical consoles.
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if is_arch "ppc64"; then
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iniset $NOVA_CONF DEFAULT vnc_enabled "false"
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fi
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ENABLE_FILE_INJECTION=$(trueorfalse False $ENABLE_FILE_INJECTION)
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if [[ "$ENABLE_FILE_INJECTION" = "True" ]] ; then
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# When libguestfs is available for file injection, enable using
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# libguestfs to inspect the image and figure out the proper
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# partition to inject into.
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iniset $NOVA_CONF libvirt inject_partition '-1'
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iniset $NOVA_CONF libvirt inject_key 'true'
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else
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# File injection is being disabled by default in the near future -
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# disable it here for now to avoid surprises later.
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iniset $NOVA_CONF libvirt inject_partition '-2'
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fi
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if [[ "$LIBVIRT_TYPE" = "parallels" ]]; then
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iniset $NOVA_CONF libvirt connection_uri "parallels+unix:///system"
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iniset $NOVA_CONF libvirt images_type "ploop"
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fi
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}
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# install_nova_hypervisor() - Install external components
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function install_nova_hypervisor {
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install_libvirt
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# Install and configure **LXC** if specified. LXC is another approach to
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# splitting a system into many smaller parts. LXC uses cgroups and chroot
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# to simulate multiple systems.
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if [[ "$LIBVIRT_TYPE" == "lxc" ]]; then
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if is_ubuntu; then
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if [[ "$DISTRO" > natty ]]; then
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install_package cgroup-lite
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fi
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else
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### FIXME(dtroyer): figure this out
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echo "RPM-based cgroup not implemented yet"
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yum_install libcgroup-tools
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fi
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fi
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}
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# start_nova_hypervisor - Start any required external services
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function start_nova_hypervisor {
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# This function intentionally left blank
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:
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}
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# stop_nova_hypervisor - Stop any external services
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function stop_nova_hypervisor {
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# This function intentionally left blank
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:
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}
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# Restore xtrace
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$MY_XTRACE
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# Local variables:
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# mode: shell-script
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# End:
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