| #!/bin/bash | 
 | # | 
 | # lib/nova | 
 | # Functions to control the configuration and operation of the **Nova** service | 
 |  | 
 | # Dependencies: | 
 | # | 
 | # - ``functions`` file | 
 | # - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined | 
 | # - ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined | 
 | # - ``LIBVIRT_TYPE`` must be defined | 
 | # - ``INSTANCE_NAME_PREFIX``, ``VOLUME_NAME_PREFIX`` must be defined | 
 | # - ``KEYSTONE_TOKEN_FORMAT`` must be defined | 
 |  | 
 | # ``stack.sh`` calls the entry points in this order: | 
 | # | 
 | # - install_nova | 
 | # - configure_nova | 
 | # - _config_nova_apache_wsgi | 
 | # - create_nova_conf | 
 | # - init_nova | 
 | # - start_nova | 
 | # - stop_nova | 
 | # - cleanup_nova | 
 |  | 
 | # Save trace setting | 
 | XTRACE=$(set +o | grep xtrace) | 
 | set +o xtrace | 
 |  | 
 |  | 
 | # Defaults | 
 | # -------- | 
 |  | 
 | # Set up default directories | 
 | GITDIR["python-novaclient"]=$DEST/python-novaclient | 
 | NOVA_DIR=$DEST/nova | 
 |  | 
 | # Nova virtual environment | 
 | if [[ ${USE_VENV} = True ]]; then | 
 |     PROJECT_VENV["nova"]=${NOVA_DIR}.venv | 
 |     NOVA_BIN_DIR=${PROJECT_VENV["nova"]}/bin | 
 | else | 
 |     NOVA_BIN_DIR=$(get_python_exec_prefix) | 
 | fi | 
 |  | 
 | NOVA_STATE_PATH=${NOVA_STATE_PATH:=$DATA_DIR/nova} | 
 | # INSTANCES_PATH is the previous name for this | 
 | NOVA_INSTANCES_PATH=${NOVA_INSTANCES_PATH:=${INSTANCES_PATH:=$NOVA_STATE_PATH/instances}} | 
 | NOVA_AUTH_CACHE_DIR=${NOVA_AUTH_CACHE_DIR:-/var/cache/nova} | 
 |  | 
 | NOVA_CONF_DIR=/etc/nova | 
 | NOVA_CONF=$NOVA_CONF_DIR/nova.conf | 
 | NOVA_CELLS_CONF=$NOVA_CONF_DIR/nova-cells.conf | 
 | NOVA_FAKE_CONF=$NOVA_CONF_DIR/nova-fake.conf | 
 | NOVA_CELLS_DB=${NOVA_CELLS_DB:-nova_cell} | 
 | NOVA_API_DB=${NOVA_API_DB:-nova_api} | 
 |  | 
 | NOVA_API_PASTE_INI=${NOVA_API_PASTE_INI:-$NOVA_CONF_DIR/api-paste.ini} | 
 |  | 
 | # NOVA_V2_LEGACY defines whether we force the Nova v2.0 enpoint onto | 
 | # the Nova v2.0 legacy code base. Remove this option once the Nova | 
 | # v2.0 legacy codebase is removed. | 
 | NOVA_V2_LEGACY=$(trueorfalse False NOVA_V2_LEGACY) | 
 |  | 
 | if is_suse; then | 
 |     NOVA_WSGI_DIR=${NOVA_WSGI_DIR:-/srv/www/htdocs/nova} | 
 | else | 
 |     NOVA_WSGI_DIR=${NOVA_WSGI_DIR:-/var/www/nova} | 
 | fi | 
 |  | 
 | # Toggle for deploying Nova-API under HTTPD + mod_wsgi | 
 | NOVA_USE_MOD_WSGI=${NOVA_USE_MOD_WSGI:-False} | 
 |  | 
 | if is_ssl_enabled_service "nova" || is_service_enabled tls-proxy; then | 
 |     NOVA_SERVICE_PROTOCOL="https" | 
 |     EC2_SERVICE_PROTOCOL="https" | 
 | else | 
 |     EC2_SERVICE_PROTOCOL="http" | 
 | fi | 
 |  | 
 | # Public facing bits | 
 | NOVA_SERVICE_HOST=${NOVA_SERVICE_HOST:-$SERVICE_HOST} | 
 | NOVA_SERVICE_PORT=${NOVA_SERVICE_PORT:-8774} | 
 | NOVA_SERVICE_PORT_INT=${NOVA_SERVICE_PORT_INT:-18774} | 
 | NOVA_SERVICE_PROTOCOL=${NOVA_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL} | 
 | NOVA_SERVICE_LOCAL_HOST=${NOVA_SERVICE_LOCAL_HOST:-$SERVICE_LOCAL_HOST} | 
 | NOVA_SERVICE_LISTEN_ADDRESS=${NOVA_SERVICE_LISTEN_ADDRESS:-$SERVICE_LISTEN_ADDRESS} | 
 | EC2_SERVICE_PORT=${EC2_SERVICE_PORT:-8773} | 
 | EC2_SERVICE_PORT_INT=${EC2_SERVICE_PORT_INT:-18773} | 
 |  | 
 | # Option to enable/disable config drive | 
 | # NOTE: Set ``FORCE_CONFIG_DRIVE="False"`` to turn OFF config drive | 
 | FORCE_CONFIG_DRIVE=${FORCE_CONFIG_DRIVE:-"True"} | 
 |  | 
 | # Nova supports pluggable schedulers.  The default ``FilterScheduler`` | 
 | # should work in most cases. | 
 | SCHEDULER=${SCHEDULER:-nova.scheduler.filter_scheduler.FilterScheduler} | 
 |  | 
 | QEMU_CONF=/etc/libvirt/qemu.conf | 
 |  | 
 | # Set default defaults here as some hypervisor drivers override these | 
 | PUBLIC_INTERFACE_DEFAULT=br100 | 
 | FLAT_NETWORK_BRIDGE_DEFAULT=br100 | 
 | # Set ``GUEST_INTERFACE_DEFAULT`` to some interface on the box so that | 
 | # the default isn't completely crazy. This will match ``eth*``, ``em*``, or | 
 | # the new ``p*`` interfaces, then basically picks the first | 
 | # alphabetically. It's probably wrong, however it's less wrong than | 
 | # always using ``eth0`` which doesn't exist on new Linux distros at all. | 
 | GUEST_INTERFACE_DEFAULT=$(ip link \ | 
 |     | grep 'state UP' \ | 
 |     | awk '{print $2}' \ | 
 |     | sed 's/://' \ | 
 |     | grep ^[ep] \ | 
 |     | head -1) | 
 |  | 
 | # ``NOVA_VNC_ENABLED`` can be used to forcibly enable VNC configuration. | 
 | # In multi-node setups allows compute hosts to not run ``n-novnc``. | 
 | NOVA_VNC_ENABLED=$(trueorfalse False NOVA_VNC_ENABLED) | 
 |  | 
 | # Get hypervisor configuration | 
 | # ---------------------------- | 
 |  | 
 | NOVA_PLUGINS=$TOP_DIR/lib/nova_plugins | 
 | if is_service_enabled nova && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |     # Load plugin | 
 |     source $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER | 
 | fi | 
 |  | 
 |  | 
 | # Nova Network Configuration | 
 | # -------------------------- | 
 |  | 
 | NETWORK_MANAGER=${NETWORK_MANAGER:-${NET_MAN:-FlatDHCPManager}} | 
 | PUBLIC_INTERFACE=${PUBLIC_INTERFACE:-$PUBLIC_INTERFACE_DEFAULT} | 
 | VLAN_INTERFACE=${VLAN_INTERFACE:-$GUEST_INTERFACE_DEFAULT} | 
 | FLAT_NETWORK_BRIDGE=${FLAT_NETWORK_BRIDGE:-$FLAT_NETWORK_BRIDGE_DEFAULT} | 
 | EC2_DMZ_HOST=${EC2_DMZ_HOST:-$SERVICE_HOST} | 
 |  | 
 | # If you are using the FlatDHCP network mode on multiple hosts, set the | 
 | # ``FLAT_INTERFACE`` variable but make sure that the interface doesn't already | 
 | # have an IP or you risk breaking things. | 
 | # | 
 | # **DHCP Warning**:  If your flat interface device uses DHCP, there will be a | 
 | # hiccup while the network is moved from the flat interface to the flat network | 
 | # bridge.  This will happen when you launch your first instance.  Upon launch | 
 | # you will lose all connectivity to the node, and the VM launch will probably | 
 | # fail. | 
 | # | 
 | # If you are running on a single node and don't need to access the VMs from | 
 | # devices other than that node, you can set ``FLAT_INTERFACE=`` | 
 | # This will stop nova from bridging any interfaces into ``FLAT_NETWORK_BRIDGE``. | 
 | FLAT_INTERFACE=${FLAT_INTERFACE:-$GUEST_INTERFACE_DEFAULT} | 
 |  | 
 | # ``MULTI_HOST`` is a mode where each compute node runs its own network node.  This | 
 | # allows network operations and routing for a VM to occur on the server that is | 
 | # running the VM - removing a SPOF and bandwidth bottleneck. | 
 | MULTI_HOST=$(trueorfalse False MULTI_HOST) | 
 |  | 
 | # ``NOVA_ALLOW_MOVE_TO_SAME_HOST`` can be set to False in multi node DevStack, | 
 | # where there are at least two nova-computes. | 
 | NOVA_ALLOW_MOVE_TO_SAME_HOST=$(trueorfalse True NOVA_ALLOW_MOVE_TO_SAME_HOST) | 
 |  | 
 | # Test floating pool and range are used for testing.  They are defined | 
 | # here until the admin APIs can replace nova-manage | 
 | TEST_FLOATING_POOL=${TEST_FLOATING_POOL:-test} | 
 | TEST_FLOATING_RANGE=${TEST_FLOATING_RANGE:-192.168.253.0/29} | 
 |  | 
 | # Functions | 
 | # --------- | 
 |  | 
 | # Test if any Nova services are enabled | 
 | # is_nova_enabled | 
 | function is_nova_enabled { | 
 |     [[ ,${ENABLED_SERVICES} =~ ,"n-" ]] && return 0 | 
 |     return 1 | 
 | } | 
 |  | 
 | # Test if any Nova Cell services are enabled | 
 | # is_nova_enabled | 
 | function is_n-cell_enabled { | 
 |     [[ ,${ENABLED_SERVICES} =~ ,"n-cell" ]] && return 0 | 
 |     return 1 | 
 | } | 
 |  | 
 | # Helper to clean iptables rules | 
 | function clean_iptables { | 
 |     # Delete rules | 
 |     sudo iptables -S -v | sed "s/-c [0-9]* [0-9]* //g" | grep "nova" | grep "\-A" |  sed "s/-A/-D/g" | awk '{print "sudo iptables",$0}' | bash | 
 |     # Delete nat rules | 
 |     sudo iptables -S -v -t nat | sed "s/-c [0-9]* [0-9]* //g" | grep "nova" |  grep "\-A" | sed "s/-A/-D/g" | awk '{print "sudo iptables -t nat",$0}' | bash | 
 |     # Delete chains | 
 |     sudo iptables -S -v | sed "s/-c [0-9]* [0-9]* //g" | grep "nova" | grep "\-N" |  sed "s/-N/-X/g" | awk '{print "sudo iptables",$0}' | bash | 
 |     # Delete nat chains | 
 |     sudo iptables -S -v -t nat | sed "s/-c [0-9]* [0-9]* //g" | grep "nova" |  grep "\-N" | sed "s/-N/-X/g" | awk '{print "sudo iptables -t nat",$0}' | bash | 
 | } | 
 |  | 
 | # cleanup_nova() - Remove residual data files, anything left over from previous | 
 | # runs that a clean run would need to clean up | 
 | function cleanup_nova { | 
 |     if is_service_enabled n-cpu; then | 
 |         # Clean iptables from previous runs | 
 |         clean_iptables | 
 |  | 
 |         # Destroy old instances | 
 |         local instances | 
 |         instances=`sudo virsh list --all | grep $INSTANCE_NAME_PREFIX | sed "s/.*\($INSTANCE_NAME_PREFIX[0-9a-fA-F]*\).*/\1/g"` | 
 |         if [ ! "$instances" = "" ]; then | 
 |             echo $instances | xargs -n1 sudo virsh destroy || true | 
 |             echo $instances | xargs -n1 sudo virsh undefine --managed-save || true | 
 |         fi | 
 |  | 
 |         # Logout and delete iscsi sessions | 
 |         local tgts | 
 |         tgts=$(sudo iscsiadm --mode node | grep $VOLUME_NAME_PREFIX | cut -d ' ' -f2) | 
 |         local target | 
 |         for target in $tgts; do | 
 |             sudo iscsiadm --mode node -T $target --logout || true | 
 |         done | 
 |         sudo iscsiadm --mode node --op delete || true | 
 |  | 
 |         # Clean out the instances directory. | 
 |         sudo rm -rf $NOVA_INSTANCES_PATH/* | 
 |     fi | 
 |  | 
 |     sudo rm -rf $NOVA_STATE_PATH $NOVA_AUTH_CACHE_DIR | 
 |  | 
 |     # NOTE(dtroyer): This really should be called from here but due to the way | 
 |     #                nova abuses the _cleanup() function we're moving it | 
 |     #                directly into cleanup.sh until this can be fixed. | 
 |     #if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |     #    cleanup_nova_hypervisor | 
 |     #fi | 
 |  | 
 |     if [ "$NOVA_USE_MOD_WSGI" == "True" ]; then | 
 |         _cleanup_nova_apache_wsgi | 
 |     fi | 
 | } | 
 |  | 
 | # _cleanup_nova_apache_wsgi() - Remove wsgi files, disable and remove apache vhost file | 
 | function _cleanup_nova_apache_wsgi { | 
 |     sudo rm -f $NOVA_WSGI_DIR/* | 
 |     sudo rm -f $(apache_site_config_for nova-api) | 
 |     sudo rm -f $(apache_site_config_for nova-ec2-api) | 
 | } | 
 |  | 
 | # _config_nova_apache_wsgi() - Set WSGI config files of Keystone | 
 | function _config_nova_apache_wsgi { | 
 |     sudo mkdir -p $NOVA_WSGI_DIR | 
 |  | 
 |     local nova_apache_conf | 
 |     nova_apache_conf=$(apache_site_config_for nova-api) | 
 |     local nova_ec2_apache_conf | 
 |     nova_ec2_apache_conf=$(apache_site_config_for nova-ec2-api) | 
 |     local nova_ssl="" | 
 |     local nova_certfile="" | 
 |     local nova_keyfile="" | 
 |     local nova_api_port=$NOVA_SERVICE_PORT | 
 |     local nova_ec2_api_port=$EC2_SERVICE_PORT | 
 |     local venv_path="" | 
 |  | 
 |     if is_ssl_enabled_service nova-api; then | 
 |         nova_ssl="SSLEngine On" | 
 |         nova_certfile="SSLCertificateFile $NOVA_SSL_CERT" | 
 |         nova_keyfile="SSLCertificateKeyFile $NOVA_SSL_KEY" | 
 |     fi | 
 |     if [[ ${USE_VENV} = True ]]; then | 
 |         venv_path="python-path=${PROJECT_VENV["nova"]}/lib/$(python_version)/site-packages" | 
 |     fi | 
 |  | 
 |     # copy proxy vhost and wsgi helper files | 
 |     sudo cp $NOVA_DIR/nova/wsgi/nova-api.py $NOVA_WSGI_DIR/nova-api | 
 |     sudo cp $NOVA_DIR/nova/wsgi/nova-ec2-api.py $NOVA_WSGI_DIR/nova-ec2-api | 
 |  | 
 |     sudo cp $FILES/apache-nova-api.template $nova_apache_conf | 
 |     sudo sed -e " | 
 |         s|%PUBLICPORT%|$nova_api_port|g; | 
 |         s|%APACHE_NAME%|$APACHE_NAME|g; | 
 |         s|%PUBLICWSGI%|$NOVA_WSGI_DIR/nova-api|g; | 
 |         s|%SSLENGINE%|$nova_ssl|g; | 
 |         s|%SSLCERTFILE%|$nova_certfile|g; | 
 |         s|%SSLKEYFILE%|$nova_keyfile|g; | 
 |         s|%USER%|$STACK_USER|g; | 
 |         s|%VIRTUALENV%|$venv_path|g | 
 |         s|%APIWORKERS%|$API_WORKERS|g | 
 |     " -i $nova_apache_conf | 
 |  | 
 |     sudo cp $FILES/apache-nova-ec2-api.template $nova_ec2_apache_conf | 
 |     sudo sed -e " | 
 |         s|%PUBLICPORT%|$nova_ec2_api_port|g; | 
 |         s|%APACHE_NAME%|$APACHE_NAME|g; | 
 |         s|%PUBLICWSGI%|$NOVA_WSGI_DIR/nova-ec2-api|g; | 
 |         s|%SSLENGINE%|$nova_ssl|g; | 
 |         s|%SSLCERTFILE%|$nova_certfile|g; | 
 |         s|%SSLKEYFILE%|$nova_keyfile|g; | 
 |         s|%USER%|$STACK_USER|g; | 
 |         s|%VIRTUALENV%|$venv_path|g | 
 |         s|%APIWORKERS%|$API_WORKERS|g | 
 |     " -i $nova_ec2_apache_conf | 
 | } | 
 |  | 
 | # configure_nova() - Set config files, create data dirs, etc | 
 | function configure_nova { | 
 |     # Put config files in ``/etc/nova`` for everyone to find | 
 |     sudo install -d -o $STACK_USER $NOVA_CONF_DIR | 
 |  | 
 |     install_default_policy nova | 
 |  | 
 |     configure_rootwrap nova | 
 |  | 
 |     if [[ "$ENABLED_SERVICES" =~ "n-api" ]]; then | 
 |         # Get the sample configuration file in place | 
 |         cp $NOVA_DIR/etc/nova/api-paste.ini $NOVA_CONF_DIR | 
 |  | 
 |         # For setting up an environment where v2.0 is running on the | 
 |         # v2.0 legacy code base. | 
 |         if [[ "$NOVA_V2_LEGACY" == "True" ]]; then | 
 |             sed -i s@"^/v2: openstack_compute_api_v21_legacy_v2_compatible$"@"/v2: openstack_compute_api_legacy_v2"@ \ | 
 |                 "$NOVA_API_PASTE_INI" | 
 |         fi | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-cpu; then | 
 |         # Force IP forwarding on, just on case | 
 |         sudo sysctl -w net.ipv4.ip_forward=1 | 
 |  | 
 |         if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then | 
 |             # Check for kvm (hardware based virtualization).  If unable to initialize | 
 |             # kvm, we drop back to the slower emulation mode (qemu).  Note: many systems | 
 |             # come with hardware virtualization disabled in BIOS. | 
 |             if [[ "$LIBVIRT_TYPE" == "kvm" ]]; then | 
 |                 sudo modprobe kvm || true | 
 |                 if [ ! -e /dev/kvm ]; then | 
 |                     echo "WARNING: Switching to QEMU" | 
 |                     LIBVIRT_TYPE=qemu | 
 |                     if which selinuxenabled >/dev/null 2>&1 && selinuxenabled; then | 
 |                         # https://bugzilla.redhat.com/show_bug.cgi?id=753589 | 
 |                         sudo setsebool virt_use_execmem on | 
 |                     fi | 
 |                 fi | 
 |             fi | 
 |  | 
 |             # 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 | 
 |                         local cgline="none /cgroup cgroup cpuacct,memory,devices,cpu,freezer,blkio 0 0" | 
 |                         sudo mkdir -p /cgroup | 
 |                         if ! grep -q cgroup /etc/fstab; then | 
 |                             echo "$cgline" | sudo tee -a /etc/fstab | 
 |                         fi | 
 |                         if ! mount -n | grep -q cgroup; then | 
 |                             sudo mount /cgroup | 
 |                         fi | 
 |                     fi | 
 |  | 
 |                     # enable nbd for lxc unless you're using an lvm backend | 
 |                     # otherwise you can't boot instances | 
 |                     if [[ "$NOVA_BACKEND" != "LVM" ]]; then | 
 |                         sudo modprobe nbd | 
 |                     fi | 
 |                 fi | 
 |             fi | 
 |         fi | 
 |  | 
 |         # Instance Storage | 
 |         # ---------------- | 
 |  | 
 |         # Nova stores each instance in its own directory. | 
 |         sudo install -d -o $STACK_USER $NOVA_INSTANCES_PATH | 
 |  | 
 |         # You can specify a different disk to be mounted and used for backing the | 
 |         # virtual machines.  If there is a partition labeled nova-instances we | 
 |         # mount it (ext filesystems can be labeled via e2label). | 
 |         if [ -L /dev/disk/by-label/nova-instances ]; then | 
 |             if ! mount -n | grep -q $NOVA_INSTANCES_PATH; then | 
 |                 sudo mount -L nova-instances $NOVA_INSTANCES_PATH | 
 |                 sudo chown -R $STACK_USER $NOVA_INSTANCES_PATH | 
 |             fi | 
 |         fi | 
 |         if is_suse; then | 
 |             # iscsid is not started by default | 
 |             start_service iscsid | 
 |         fi | 
 |     fi | 
 |  | 
 |     # Rebuild the config file from scratch | 
 |     create_nova_conf | 
 |  | 
 |     if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |         # Configure hypervisor plugin | 
 |         configure_nova_hypervisor | 
 |     fi | 
 | } | 
 |  | 
 | # create_nova_accounts() - Set up common required nova accounts | 
 | # | 
 | # Project              User         Roles | 
 | # ------------------------------------------------------------------ | 
 | # SERVICE_TENANT_NAME  nova         admin | 
 | # SERVICE_TENANT_NAME  nova         ResellerAdmin (if Swift is enabled) | 
 | function create_nova_accounts { | 
 |  | 
 |     # Nova | 
 |     if [[ "$ENABLED_SERVICES" =~ "n-api" ]]; then | 
 |  | 
 |         # NOTE(jamielennox): Nova doesn't need the admin role here, however neutron uses | 
 |         # this service user when notifying nova of changes and that requires the admin role. | 
 |         create_service_user "nova" "admin" | 
 |  | 
 |         if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then | 
 |             local nova_api_url | 
 |             if [[ "$NOVA_USE_MOD_WSGI" == "False" ]]; then | 
 |                 nova_api_url="$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT" | 
 |             else | 
 |                 nova_api_url="$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST/compute" | 
 |             fi | 
 |  | 
 |             get_or_create_service "nova_legacy" "compute_legacy" \ | 
 |                 "Nova Compute Service (Legacy 2.0)" | 
 |             get_or_create_endpoint "compute_legacy" \ | 
 |                 "$REGION_NAME" \ | 
 |                 "$nova_api_url/v2/\$(tenant_id)s" \ | 
 |                 "$nova_api_url/v2/\$(tenant_id)s" \ | 
 |                 "$nova_api_url/v2/\$(tenant_id)s" | 
 |  | 
 |             get_or_create_service "nova" "compute" "Nova Compute Service" | 
 |             get_or_create_endpoint "compute" \ | 
 |                 "$REGION_NAME" \ | 
 |                 "$nova_api_url/v2.1/\$(tenant_id)s" \ | 
 |                 "$nova_api_url/v2.1/\$(tenant_id)s" \ | 
 |                 "$nova_api_url/v2.1/\$(tenant_id)s" | 
 |         fi | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-api; then | 
 |         # Swift | 
 |         if is_service_enabled swift; then | 
 |             # Nova needs ResellerAdmin role to download images when accessing | 
 |             # swift through the s3 api. | 
 |             get_or_add_user_project_role ResellerAdmin nova $SERVICE_TENANT_NAME | 
 |         fi | 
 |  | 
 |         # EC2 | 
 |         if [[ "$KEYSTONE_CATALOG_BACKEND" = "sql" ]]; then | 
 |             local nova_ec2_api_url | 
 |             if [[ "$NOVA_USE_MOD_WSGI" == "False" ]]; then | 
 |                 nova_ec2_api_url="$EC2_SERVICE_PROTOCOL://$SERVICE_HOST:$EC2_SERVICE_PORT/" | 
 |             else | 
 |                 nova_ec2_api_url="$EC2_SERVICE_PROTOCOL://$SERVICE_HOST/ec2" | 
 |             fi | 
 |             get_or_create_service "ec2" "ec2" "EC2 Compatibility Layer" | 
 |             get_or_create_endpoint "ec2" \ | 
 |                 "$REGION_NAME" \ | 
 |                 "$nova_ec2_api_url" \ | 
 |                 "$nova_ec2_api_url" \ | 
 |                 "$nova_ec2_api_url" | 
 |         fi | 
 |     fi | 
 |  | 
 |     # S3 | 
 |     if is_service_enabled n-obj swift3; then | 
 |         if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then | 
 |  | 
 |             get_or_create_service "s3" "s3" "S3" | 
 |             get_or_create_endpoint "s3" \ | 
 |                 "$REGION_NAME" \ | 
 |                 "http://$SERVICE_HOST:$S3_SERVICE_PORT" \ | 
 |                 "http://$SERVICE_HOST:$S3_SERVICE_PORT" \ | 
 |                 "http://$SERVICE_HOST:$S3_SERVICE_PORT" | 
 |         fi | 
 |     fi | 
 | } | 
 |  | 
 | # create_nova_conf() - Create a new nova.conf file | 
 | function create_nova_conf { | 
 |     # Remove legacy ``nova.conf`` | 
 |     rm -f $NOVA_DIR/bin/nova.conf | 
 |  | 
 |     # (Re)create ``nova.conf`` | 
 |     rm -f $NOVA_CONF | 
 |     iniset $NOVA_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL" | 
 |     if [ "$NOVA_ALLOW_MOVE_TO_SAME_HOST" == "True" ]; then | 
 |         iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True" | 
 |     fi | 
 |     iniset $NOVA_CONF DEFAULT api_paste_config "$NOVA_API_PASTE_INI" | 
 |     iniset $NOVA_CONF DEFAULT rootwrap_config "$NOVA_CONF_DIR/rootwrap.conf" | 
 |     iniset $NOVA_CONF DEFAULT scheduler_driver "$SCHEDULER" | 
 |     iniset $NOVA_CONF DEFAULT dhcpbridge_flagfile "$NOVA_CONF" | 
 |     iniset $NOVA_CONF DEFAULT force_dhcp_release "True" | 
 |     iniset $NOVA_CONF DEFAULT default_floating_pool "$PUBLIC_NETWORK_NAME" | 
 |     iniset $NOVA_CONF DEFAULT s3_host "$SERVICE_HOST" | 
 |     iniset $NOVA_CONF DEFAULT s3_port "$S3_SERVICE_PORT" | 
 |     if [[ $SERVICE_IP_VERSION == 6 ]]; then | 
 |         iniset $NOVA_CONF DEFAULT my_ip "$HOST_IPV6" | 
 |         iniset $NOVA_CONF DEFAULT use_ipv6 "True" | 
 |     else | 
 |         iniset $NOVA_CONF DEFAULT my_ip "$HOST_IP" | 
 |     fi | 
 |     iniset $NOVA_CONF database connection `database_connection_url nova` | 
 |     iniset $NOVA_CONF api_database connection `database_connection_url nova_api` | 
 |     iniset $NOVA_CONF DEFAULT instance_name_template "${INSTANCE_NAME_PREFIX}%08x" | 
 |     iniset $NOVA_CONF DEFAULT osapi_compute_listen "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |     iniset $NOVA_CONF DEFAULT ec2_listen "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |     iniset $NOVA_CONF DEFAULT metadata_listen "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |     iniset $NOVA_CONF DEFAULT s3_listen "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |  | 
 |     if is_fedora || is_suse; then | 
 |         # nova defaults to /usr/local/bin, but fedora and suse pip like to | 
 |         # install things in /usr/bin | 
 |         iniset $NOVA_CONF DEFAULT bindir "/usr/bin" | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-api; then | 
 |         if is_service_enabled n-api-meta; then | 
 |             # If running n-api-meta as a separate service | 
 |             NOVA_ENABLED_APIS=$(echo $NOVA_ENABLED_APIS | sed "s/,metadata//") | 
 |         fi | 
 |         iniset $NOVA_CONF DEFAULT enabled_apis "$NOVA_ENABLED_APIS" | 
 |         if is_service_enabled tls-proxy; then | 
 |             # Set the service port for a proxy to take the original | 
 |             iniset $NOVA_CONF DEFAULT osapi_compute_listen_port "$NOVA_SERVICE_PORT_INT" | 
 |             iniset $NOVA_CONF DEFAULT osapi_compute_link_prefix $NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT | 
 |         fi | 
 |  | 
 |         configure_auth_token_middleware $NOVA_CONF nova $NOVA_AUTH_CACHE_DIR | 
 |     fi | 
 |  | 
 |     if is_service_enabled cinder; then | 
 |         if is_ssl_enabled_service "cinder" || is_service_enabled tls-proxy; then | 
 |             CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST} | 
 |             CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776} | 
 |             iniset $NOVA_CONF cinder cafile $SSL_BUNDLE_FILE | 
 |         fi | 
 |     fi | 
 |  | 
 |     if [ -n "$NOVA_STATE_PATH" ]; then | 
 |         iniset $NOVA_CONF DEFAULT state_path "$NOVA_STATE_PATH" | 
 |         iniset $NOVA_CONF oslo_concurrency lock_path "$NOVA_STATE_PATH" | 
 |     fi | 
 |     if [ -n "$NOVA_INSTANCES_PATH" ]; then | 
 |         iniset $NOVA_CONF DEFAULT instances_path "$NOVA_INSTANCES_PATH" | 
 |     fi | 
 |     if [ "$MULTI_HOST" != "False" ]; then | 
 |         iniset $NOVA_CONF DEFAULT multi_host "True" | 
 |         iniset $NOVA_CONF DEFAULT send_arp_for_ha "True" | 
 |     fi | 
 |     if [ "$SYSLOG" != "False" ]; then | 
 |         iniset $NOVA_CONF DEFAULT use_syslog "True" | 
 |     fi | 
 |     if [ "$FORCE_CONFIG_DRIVE" != "False" ]; then | 
 |         iniset $NOVA_CONF DEFAULT force_config_drive "$FORCE_CONFIG_DRIVE" | 
 |     fi | 
 |     # Format logging | 
 |     if [ "$LOG_COLOR" == "True" ] && [ "$SYSLOG" == "False" ] && [ "$NOVA_USE_MOD_WSGI" == "False" ]  ; then | 
 |         setup_colorized_logging $NOVA_CONF DEFAULT | 
 |     else | 
 |         # Show user_name and project_name instead of user_id and project_id | 
 |         iniset $NOVA_CONF DEFAULT logging_context_format_string "%(asctime)s.%(msecs)03d %(levelname)s %(name)s [%(request_id)s %(user_name)s %(project_name)s] %(instance)s%(message)s" | 
 |     fi | 
 |     if [ "$NOVA_USE_MOD_WSGI" == "True" ]; then | 
 |         _config_nova_apache_wsgi | 
 |     fi | 
 |  | 
 |     if is_service_enabled ceilometer; then | 
 |         iniset $NOVA_CONF DEFAULT instance_usage_audit "True" | 
 |         iniset $NOVA_CONF DEFAULT instance_usage_audit_period "hour" | 
 |         iniset $NOVA_CONF DEFAULT notify_on_state_change "vm_and_task_state" | 
 |         iniset $NOVA_CONF DEFAULT notification_driver "messaging" | 
 |     fi | 
 |  | 
 |     # All nova-compute workers need to know the vnc configuration options | 
 |     # These settings don't hurt anything if n-xvnc and n-novnc are disabled | 
 |     if is_service_enabled n-cpu; then | 
 |         NOVNCPROXY_URL=${NOVNCPROXY_URL:-"http://$SERVICE_HOST:6080/vnc_auto.html"} | 
 |         iniset $NOVA_CONF DEFAULT novncproxy_base_url "$NOVNCPROXY_URL" | 
 |         XVPVNCPROXY_URL=${XVPVNCPROXY_URL:-"http://$SERVICE_HOST:6081/console"} | 
 |         iniset $NOVA_CONF DEFAULT xvpvncproxy_base_url "$XVPVNCPROXY_URL" | 
 |         SPICEHTML5PROXY_URL=${SPICEHTML5PROXY_URL:-"http://$SERVICE_HOST:6082/spice_auto.html"} | 
 |         iniset $NOVA_CONF spice html5proxy_base_url "$SPICEHTML5PROXY_URL" | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-novnc || is_service_enabled n-xvnc || [ "$NOVA_VNC_ENABLED" != False ]; then | 
 |         # Address on which instance vncservers will listen on compute hosts. | 
 |         # For multi-host, this should be the management ip of the compute host. | 
 |         VNCSERVER_LISTEN=${VNCSERVER_LISTEN=$NOVA_SERVICE_LOCAL_HOST} | 
 |         VNCSERVER_PROXYCLIENT_ADDRESS=${VNCSERVER_PROXYCLIENT_ADDRESS=$NOVA_SERVICE_LOCAL_HOST} | 
 |         iniset $NOVA_CONF DEFAULT vnc_enabled true | 
 |         iniset $NOVA_CONF DEFAULT vncserver_listen "$VNCSERVER_LISTEN" | 
 |         iniset $NOVA_CONF DEFAULT vncserver_proxyclient_address "$VNCSERVER_PROXYCLIENT_ADDRESS" | 
 |         iniset $NOVA_CONF DEFAULT novncproxy_host "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |         iniset $NOVA_CONF DEFAULT xvpvncproxy_host "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |     else | 
 |         iniset $NOVA_CONF DEFAULT vnc_enabled false | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-spice; then | 
 |         # Address on which instance spiceservers will listen on compute hosts. | 
 |         # For multi-host, this should be the management ip of the compute host. | 
 |         SPICESERVER_PROXYCLIENT_ADDRESS=${SPICESERVER_PROXYCLIENT_ADDRESS=$NOVA_SERVICE_LOCAL_HOST} | 
 |         SPICESERVER_LISTEN=${SPICESERVER_LISTEN=$NOVA_SERVICE_LOCAL_HOST} | 
 |         iniset $NOVA_CONF spice enabled true | 
 |         iniset $NOVA_CONF spice server_listen "$SPICESERVER_LISTEN" | 
 |         iniset $NOVA_CONF spice server_proxyclient_address "$SPICESERVER_PROXYCLIENT_ADDRESS" | 
 |         iniset $NOVA_CONF spice html5proxy_host "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |     else | 
 |         iniset $NOVA_CONF spice enabled false | 
 |     fi | 
 |  | 
 |     iniset $NOVA_CONF DEFAULT ec2_dmz_host "$EC2_DMZ_HOST" | 
 |     iniset $NOVA_CONF DEFAULT keystone_ec2_url $KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_SERVICE_PORT/v2.0/ec2tokens | 
 |     iniset_rpc_backend nova $NOVA_CONF | 
 |     iniset $NOVA_CONF glance api_servers "${GLANCE_SERVICE_PROTOCOL}://${GLANCE_HOSTPORT}" | 
 |  | 
 |     iniset $NOVA_CONF DEFAULT osapi_compute_workers "$API_WORKERS" | 
 |     iniset $NOVA_CONF DEFAULT ec2_workers "$API_WORKERS" | 
 |     iniset $NOVA_CONF DEFAULT metadata_workers "$API_WORKERS" | 
 |     # don't let the conductor get out of control now that we're using a pure python db driver | 
 |     iniset $NOVA_CONF conductor workers "$API_WORKERS" | 
 |  | 
 |     iniset $NOVA_CONF cinder os_region_name "$REGION_NAME" | 
 |  | 
 |     if [[ "$NOVA_BACKEND" == "LVM" ]]; then | 
 |         iniset $NOVA_CONF libvirt images_type "lvm" | 
 |         iniset $NOVA_CONF libvirt images_volume_group $DEFAULT_VOLUME_GROUP_NAME | 
 |     fi | 
 |  | 
 |     if is_ssl_enabled_service glance || is_service_enabled tls-proxy; then | 
 |         iniset $NOVA_CONF DEFAULT glance_protocol https | 
 |     fi | 
 |  | 
 |     # Register SSL certificates if provided | 
 |     if is_ssl_enabled_service nova; then | 
 |         ensure_certificates NOVA | 
 |  | 
 |         iniset $NOVA_CONF DEFAULT ssl_cert_file "$NOVA_SSL_CERT" | 
 |         iniset $NOVA_CONF DEFAULT ssl_key_file "$NOVA_SSL_KEY" | 
 |  | 
 |         iniset $NOVA_CONF DEFAULT enabled_ssl_apis "$NOVA_ENABLED_APIS" | 
 |     fi | 
 |  | 
 |     if is_service_enabled tls-proxy; then | 
 |         iniset $NOVA_CONF DEFAULT ec2_listen_port $EC2_SERVICE_PORT_INT | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-sproxy; then | 
 |         iniset $NOVA_CONF serial_console serialproxy_host "$NOVA_SERVICE_LISTEN_ADDRESS" | 
 |         iniset $NOVA_CONF serial_console enabled True | 
 |     fi | 
 | } | 
 |  | 
 | function init_nova_cells { | 
 |     if is_service_enabled n-cell; then | 
 |         cp $NOVA_CONF $NOVA_CELLS_CONF | 
 |         iniset $NOVA_CELLS_CONF database connection `database_connection_url $NOVA_CELLS_DB` | 
 |         iniset $NOVA_CELLS_CONF DEFAULT rabbit_virtual_host child_cell | 
 |         iniset $NOVA_CELLS_CONF DEFAULT dhcpbridge_flagfile $NOVA_CELLS_CONF | 
 |         iniset $NOVA_CELLS_CONF cells enable True | 
 |         iniset $NOVA_CELLS_CONF cells cell_type compute | 
 |         iniset $NOVA_CELLS_CONF cells name child | 
 |  | 
 |         iniset $NOVA_CONF cells enable True | 
 |         iniset $NOVA_CONF cells cell_type api | 
 |         iniset $NOVA_CONF cells name region | 
 |  | 
 |         if is_service_enabled n-api-meta; then | 
 |             NOVA_ENABLED_APIS=$(echo $NOVA_ENABLED_APIS | sed "s/,metadata//") | 
 |             iniset $NOVA_CONF DEFAULT enabled_apis $NOVA_ENABLED_APIS | 
 |             iniset $NOVA_CELLS_CONF DEFAULT enabled_apis metadata | 
 |         fi | 
 |  | 
 |         $NOVA_BIN_DIR/nova-manage --config-file $NOVA_CELLS_CONF db sync | 
 |         $NOVA_BIN_DIR/nova-manage --config-file $NOVA_CELLS_CONF cell create --name=region --cell_type=parent --username=$RABBIT_USERID --hostname=$RABBIT_HOST --port=5672 --password=$RABBIT_PASSWORD --virtual_host=/ --woffset=0 --wscale=1 | 
 |         $NOVA_BIN_DIR/nova-manage cell create --name=child --cell_type=child --username=$RABBIT_USERID --hostname=$RABBIT_HOST --port=5672 --password=$RABBIT_PASSWORD --virtual_host=child_cell --woffset=0 --wscale=1 | 
 |     fi | 
 | } | 
 |  | 
 | # create_nova_cache_dir() - Part of the init_nova() process | 
 | function create_nova_cache_dir { | 
 |     # Create cache dir | 
 |     sudo install -d -o $STACK_USER $NOVA_AUTH_CACHE_DIR | 
 |     rm -f $NOVA_AUTH_CACHE_DIR/* | 
 | } | 
 |  | 
 | function create_nova_conf_nova_network { | 
 |     iniset $NOVA_CONF DEFAULT network_manager "nova.network.manager.$NETWORK_MANAGER" | 
 |     iniset $NOVA_CONF DEFAULT public_interface "$PUBLIC_INTERFACE" | 
 |     iniset $NOVA_CONF DEFAULT vlan_interface "$VLAN_INTERFACE" | 
 |     iniset $NOVA_CONF DEFAULT flat_network_bridge "$FLAT_NETWORK_BRIDGE" | 
 |     if [ -n "$FLAT_INTERFACE" ]; then | 
 |         iniset $NOVA_CONF DEFAULT flat_interface "$FLAT_INTERFACE" | 
 |     fi | 
 | } | 
 |  | 
 | # create_nova_keys_dir() - Part of the init_nova() process | 
 | function create_nova_keys_dir { | 
 |     # Create keys dir | 
 |     sudo install -d -o $STACK_USER ${NOVA_STATE_PATH} ${NOVA_STATE_PATH}/keys | 
 | } | 
 |  | 
 | # init_nova() - Initialize databases, etc. | 
 | function init_nova { | 
 |     # All nova components talk to a central database. | 
 |     # Only do this step once on the API node for an entire cluster. | 
 |     if is_service_enabled $DATABASE_BACKENDS && is_service_enabled n-api; then | 
 |         # (Re)create nova database | 
 |         recreate_database nova | 
 |  | 
 |         # Migrate nova database | 
 |         $NOVA_BIN_DIR/nova-manage db sync | 
 |  | 
 |         if is_service_enabled n-cell; then | 
 |             recreate_database $NOVA_CELLS_DB | 
 |         fi | 
 |  | 
 |         recreate_database $NOVA_API_DB | 
 |         $NOVA_BIN_DIR/nova-manage api_db sync | 
 |     fi | 
 |  | 
 |     create_nova_cache_dir | 
 |     create_nova_keys_dir | 
 |  | 
 |     if [[ "$NOVA_BACKEND" == "LVM" ]]; then | 
 |         init_default_lvm_volume_group | 
 |     fi | 
 | } | 
 |  | 
 | # install_novaclient() - Collect source and prepare | 
 | function install_novaclient { | 
 |     if use_library_from_git "python-novaclient"; then | 
 |         git_clone_by_name "python-novaclient" | 
 |         setup_dev_lib "python-novaclient" | 
 |         sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-novaclient"]}/tools/,/etc/bash_completion.d/}nova.bash_completion | 
 |     fi | 
 | } | 
 |  | 
 | # install_nova() - Collect source and prepare | 
 | function install_nova { | 
 |     if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |         install_nova_hypervisor | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-novnc; then | 
 |         # a websockets/html5 or flash powered VNC console for vm instances | 
 |         NOVNC_FROM_PACKAGE=$(trueorfalse False NOVNC_FROM_PACKAGE) | 
 |         if [ "$NOVNC_FROM_PACKAGE" = "True" ]; then | 
 |             NOVNC_WEB_DIR=/usr/share/novnc | 
 |             install_package novnc | 
 |         else | 
 |             NOVNC_WEB_DIR=$DEST/noVNC | 
 |             git_clone $NOVNC_REPO $NOVNC_WEB_DIR $NOVNC_BRANCH | 
 |         fi | 
 |     fi | 
 |  | 
 |     if is_service_enabled n-spice; then | 
 |         # a websockets/html5 or flash powered SPICE console for vm instances | 
 |         SPICE_FROM_PACKAGE=$(trueorfalse True SPICE_FROM_PACKAGE) | 
 |         if [ "$SPICE_FROM_PACKAGE" = "True" ]; then | 
 |             SPICE_WEB_DIR=/usr/share/spice-html5 | 
 |             install_package spice-html5 | 
 |         else | 
 |             SPICE_WEB_DIR=$DEST/spice-html5 | 
 |             git_clone $SPICE_REPO $SPICE_WEB_DIR $SPICE_BRANCH | 
 |         fi | 
 |     fi | 
 |  | 
 |     git_clone $NOVA_REPO $NOVA_DIR $NOVA_BRANCH | 
 |     setup_develop $NOVA_DIR | 
 |     sudo install -D -m 0644 -o $STACK_USER {$NOVA_DIR/tools/,/etc/bash_completion.d/}nova-manage.bash_completion | 
 |  | 
 |     if [ "$NOVA_USE_MOD_WSGI" == "True" ]; then | 
 |         install_apache_wsgi | 
 |         if is_ssl_enabled_service "nova-api"; then | 
 |             enable_mod_ssl | 
 |         fi | 
 |     fi | 
 | } | 
 |  | 
 | # start_nova_api() - Start the API process ahead of other things | 
 | function start_nova_api { | 
 |     # Get right service port for testing | 
 |     local service_port=$NOVA_SERVICE_PORT | 
 |     local service_protocol=$NOVA_SERVICE_PROTOCOL | 
 |     if is_service_enabled tls-proxy; then | 
 |         service_port=$NOVA_SERVICE_PORT_INT | 
 |         service_protocol="http" | 
 |     fi | 
 |  | 
 |     # Hack to set the path for rootwrap | 
 |     local old_path=$PATH | 
 |     export PATH=$NOVA_BIN_DIR:$PATH | 
 |  | 
 |     # If the site is not enabled then we are in a grenade scenario | 
 |     local enabled_site_file | 
 |     enabled_site_file=$(apache_site_config_for nova-api) | 
 |     if [ -f ${enabled_site_file} ] && [ "$NOVA_USE_MOD_WSGI" == "True" ]; then | 
 |         enable_apache_site nova-api | 
 |         enable_apache_site nova-ec2-api | 
 |         restart_apache_server | 
 |         tail_log nova-api /var/log/$APACHE_NAME/nova-api.log | 
 |         tail_log nova-ec2-api /var/log/$APACHE_NAME/nova-ec2-api.log | 
 |     else | 
 |         run_process n-api "$NOVA_BIN_DIR/nova-api" | 
 |     fi | 
 |  | 
 |     echo "Waiting for nova-api to start..." | 
 |     if ! wait_for_service $SERVICE_TIMEOUT $service_protocol://$SERVICE_HOST:$service_port; then | 
 |         die $LINENO "nova-api did not start" | 
 |     fi | 
 |  | 
 |     # Start proxies if enabled | 
 |     if is_service_enabled tls-proxy; then | 
 |         start_tls_proxy '*' $NOVA_SERVICE_PORT $NOVA_SERVICE_HOST $NOVA_SERVICE_PORT_INT & | 
 |         start_tls_proxy '*' $EC2_SERVICE_PORT $NOVA_SERVICE_HOST $EC2_SERVICE_PORT_INT & | 
 |     fi | 
 |  | 
 |     export PATH=$old_path | 
 | } | 
 |  | 
 | # start_nova_compute() - Start the compute process | 
 | function start_nova_compute { | 
 |     # Hack to set the path for rootwrap | 
 |     local old_path=$PATH | 
 |     export PATH=$NOVA_BIN_DIR:$PATH | 
 |  | 
 |     if is_service_enabled n-cell; then | 
 |         local compute_cell_conf=$NOVA_CELLS_CONF | 
 |     else | 
 |         local compute_cell_conf=$NOVA_CONF | 
 |     fi | 
 |  | 
 |     if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then | 
 |         # The group **$LIBVIRT_GROUP** is added to the current user in this script. | 
 |         # ``sg`` is used in run_process to execute nova-compute as a member of the | 
 |         # **$LIBVIRT_GROUP** group. | 
 |         run_process n-cpu "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf" $LIBVIRT_GROUP | 
 |     elif [[ "$VIRT_DRIVER" = 'fake' ]]; then | 
 |         local i | 
 |         for i in `seq 1 $NUMBER_FAKE_NOVA_COMPUTE`; do | 
 |             # Avoid process redirection of fake host configurations by | 
 |             # creating or modifying real configurations. Each fake | 
 |             # gets its own configuration and own log file. | 
 |             local fake_conf="${NOVA_FAKE_CONF}-${i}" | 
 |             iniset $fake_conf DEFAULT nhost "${HOSTNAME}${i}" | 
 |             run_process "n-cpu-${i}" "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf --config-file $fake_conf" | 
 |         done | 
 |     else | 
 |         if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |             start_nova_hypervisor | 
 |         fi | 
 |         run_process n-cpu "$NOVA_BIN_DIR/nova-compute --config-file $compute_cell_conf" | 
 |     fi | 
 |  | 
 |     export PATH=$old_path | 
 | } | 
 |  | 
 | # start_nova() - Start running processes, including screen | 
 | function start_nova_rest { | 
 |     # Hack to set the path for rootwrap | 
 |     local old_path=$PATH | 
 |     export PATH=$NOVA_BIN_DIR:$PATH | 
 |  | 
 |     local api_cell_conf=$NOVA_CONF | 
 |     if is_service_enabled n-cell; then | 
 |         local compute_cell_conf=$NOVA_CELLS_CONF | 
 |     else | 
 |         local compute_cell_conf=$NOVA_CONF | 
 |     fi | 
 |  | 
 |     # ``run_process`` checks ``is_service_enabled``, it is not needed here | 
 |     run_process n-cond "$NOVA_BIN_DIR/nova-conductor --config-file $compute_cell_conf" | 
 |     run_process n-cell-region "$NOVA_BIN_DIR/nova-cells --config-file $api_cell_conf" | 
 |     run_process n-cell-child "$NOVA_BIN_DIR/nova-cells --config-file $compute_cell_conf" | 
 |  | 
 |     run_process n-crt "$NOVA_BIN_DIR/nova-cert --config-file $api_cell_conf" | 
 |     run_process n-net "$NOVA_BIN_DIR/nova-network --config-file $compute_cell_conf" | 
 |     run_process n-sch "$NOVA_BIN_DIR/nova-scheduler --config-file $compute_cell_conf" | 
 |     run_process n-api-meta "$NOVA_BIN_DIR/nova-api-metadata --config-file $compute_cell_conf" | 
 |  | 
 |     run_process n-novnc "$NOVA_BIN_DIR/nova-novncproxy --config-file $api_cell_conf --web $NOVNC_WEB_DIR" | 
 |     run_process n-xvnc "$NOVA_BIN_DIR/nova-xvpvncproxy --config-file $api_cell_conf" | 
 |     run_process n-spice "$NOVA_BIN_DIR/nova-spicehtml5proxy --config-file $api_cell_conf --web $SPICE_WEB_DIR" | 
 |     run_process n-cauth "$NOVA_BIN_DIR/nova-consoleauth --config-file $api_cell_conf" | 
 |     run_process n-sproxy "$NOVA_BIN_DIR/nova-serialproxy --config-file $api_cell_conf" | 
 |  | 
 |     # Starting the nova-objectstore only if swift3 service is not enabled. | 
 |     # Swift will act as s3 objectstore. | 
 |     is_service_enabled swift3 || \ | 
 |         run_process n-obj "$NOVA_BIN_DIR/nova-objectstore --config-file $api_cell_conf" | 
 |  | 
 |     export PATH=$old_path | 
 | } | 
 |  | 
 | function start_nova { | 
 |     start_nova_rest | 
 |     start_nova_compute | 
 | } | 
 |  | 
 | function stop_nova_compute { | 
 |     if [ "$VIRT_DRIVER" == "fake" ]; then | 
 |         local i | 
 |         for i in `seq 1 $NUMBER_FAKE_NOVA_COMPUTE`; do | 
 |             stop_process n-cpu-${i} | 
 |         done | 
 |     else | 
 |         stop_process n-cpu | 
 |     fi | 
 |     if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then | 
 |         stop_nova_hypervisor | 
 |     fi | 
 | } | 
 |  | 
 | function stop_nova_rest { | 
 |     if [ "$NOVA_USE_MOD_WSGI" == "True" ]; then | 
 |         disable_apache_site nova-api | 
 |         disable_apache_site nova-ec2-api | 
 |         restart_apache_server | 
 |     else | 
 |         stop_process n-api | 
 |     fi | 
 |     # Kill the nova screen windows | 
 |     # Some services are listed here twice since more than one instance | 
 |     # of a service may be running in certain configs. | 
 |     for serv in n-api n-crt n-net n-sch n-novnc n-xvnc n-cauth n-spice n-cond n-cell n-cell n-api-meta n-obj n-sproxy; do | 
 |         stop_process $serv | 
 |     done | 
 | } | 
 |  | 
 | # stop_nova() - Stop running processes (non-screen) | 
 | function stop_nova { | 
 |     stop_nova_rest | 
 |     stop_nova_compute | 
 | } | 
 |  | 
 |  | 
 | # Restore xtrace | 
 | $XTRACE | 
 |  | 
 | # Tell emacs to use shell-script-mode | 
 | ## Local variables: | 
 | ## mode: shell-script | 
 | ## End: |