# lib/nova_plugins/functions-libvirt # Common libvirt configuration functions # Dependencies: # ``functions`` file # ``STACK_USER`` has to be defined # Save trace setting LV_XTRACE=$(set +o | grep xtrace) set +o xtrace # Defaults # ------- # if we should turn on massive libvirt debugging DEBUG_LIBVIRT=$(trueorfalse False $DEBUG_LIBVIRT) # Installs required distro-specific libvirt packages. function install_libvirt { if is_ubuntu; then install_package qemu-kvm install_package libvirt-bin install_package python-libvirt install_package python-guestfs elif is_fedora || is_suse; then install_package kvm install_package libvirt install_package libvirt-python install_package python-libguestfs fi # Restart firewalld after install of libvirt to avoid a problem # with polkit, which libvirtd brings in. See # https://bugzilla.redhat.com/show_bug.cgi?id=1099031 # Note there is a difference between F20 rackspace cloud images # and HP images used in the gate; rackspace has firewalld but hp # cloud doesn't. RHEL6 doesn't have firewalld either. So we # don't care if it fails. if is_fedora && is_package_installed firewalld; then sudo service firewalld restart || true fi } # Configures the installed libvirt system so that is accessible by # STACK_USER via qemu:///system with management capabilities. function configure_libvirt { if is_service_enabled neutron && is_neutron_ovs_base_plugin && ! sudo grep -q '^cgroup_device_acl' $QEMU_CONF; then # Add /dev/net/tun to cgroup_device_acls, needed for type=ethernet interfaces cat </dev/null; then sudo groupadd $LIBVIRT_GROUP fi add_user_to_group $STACK_USER $LIBVIRT_GROUP # Enable server side traces for libvirtd if [[ "$DEBUG_LIBVIRT" = "True" ]] ; then if is_ubuntu; then # Unexpectedly binary package builds in ubuntu get fully qualified # source file paths, not relative paths. This screws with the matching # of '1:libvirt' making everything turn on. So use libvirt.c for now. # This will have to be re-visited when Ubuntu ships libvirt >= 1.2.3 local log_filters="1:libvirt.c 1:qemu 1:conf 1:security 3:object 3:event 3:json 3:file 1:util" else local log_filters="1:libvirt 1:qemu 1:conf 1:security 3:object 3:event 3:json 3:file 1:util" fi local log_outputs="1:file:/var/log/libvirt/libvirtd.log" if ! grep -q "log_filters=\"$log_filters\"" /etc/libvirt/libvirtd.conf; then echo "log_filters=\"$log_filters\"" | sudo tee -a /etc/libvirt/libvirtd.conf fi if ! grep -q "log_outputs=\"$log_outputs\"" /etc/libvirt/libvirtd.conf; then echo "log_outputs=\"$log_outputs\"" | sudo tee -a /etc/libvirt/libvirtd.conf fi fi # libvirt detects various settings on startup, as we potentially changed # the system configuration (modules, filesystems), we need to restart # libvirt to detect those changes. restart_service $LIBVIRT_DAEMON } # Restore xtrace $LV_XTRACE # Local variables: # mode: shell-script # End: