772 lines
32 KiB
Plaintext
772 lines
32 KiB
Plaintext
# lib/nova
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# Functions to control the configuration and operation of the **Nova** service
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# Dependencies:
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# ``functions`` file
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# ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
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# ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
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# ``LIBVIRT_TYPE`` must be defined
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# ``INSTANCE_NAME_PREFIX``, ``VOLUME_NAME_PREFIX`` must be defined
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# ``KEYSTONE_TOKEN_FORMAT`` must be defined
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# ``stack.sh`` calls the entry points in this order:
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#
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# install_nova
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# configure_nova
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# create_nova_conf
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# init_nova
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# start_nova
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# stop_nova
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# cleanup_nova
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Set up default directories
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NOVA_DIR=$DEST/nova
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NOVACLIENT_DIR=$DEST/python-novaclient
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NOVA_STATE_PATH=${NOVA_STATE_PATH:=$DATA_DIR/nova}
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# INSTANCES_PATH is the previous name for this
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NOVA_INSTANCES_PATH=${NOVA_INSTANCES_PATH:=${INSTANCES_PATH:=$NOVA_STATE_PATH/instances}}
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NOVA_AUTH_CACHE_DIR=${NOVA_AUTH_CACHE_DIR:-/var/cache/nova}
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NOVA_CONF_DIR=/etc/nova
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NOVA_CONF=$NOVA_CONF_DIR/nova.conf
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NOVA_CELLS_CONF=$NOVA_CONF_DIR/nova-cells.conf
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NOVA_CELLS_DB=${NOVA_CELLS_DB:-nova_cell}
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NOVA_API_PASTE_INI=${NOVA_API_PASTE_INI:-$NOVA_CONF_DIR/api-paste.ini}
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# Public facing bits
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NOVA_SERVICE_HOST=${NOVA_SERVICE_HOST:-$SERVICE_HOST}
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NOVA_SERVICE_PORT=${NOVA_SERVICE_PORT:-8774}
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NOVA_SERVICE_PORT_INT=${NOVA_SERVICE_PORT_INT:-18774}
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NOVA_SERVICE_PROTOCOL=${NOVA_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
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# Support entry points installation of console scripts
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if [[ -d $NOVA_DIR/bin ]]; then
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NOVA_BIN_DIR=$NOVA_DIR/bin
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else
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NOVA_BIN_DIR=$(get_python_exec_prefix)
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fi
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# Set the paths of certain binaries
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NOVA_ROOTWRAP=$(get_rootwrap_location nova)
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# Allow rate limiting to be turned off for testing, like for Tempest
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# NOTE: Set API_RATE_LIMIT="False" to turn OFF rate limiting
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API_RATE_LIMIT=${API_RATE_LIMIT:-"True"}
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# Nova supports pluggable schedulers. The default ``FilterScheduler``
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# should work in most cases.
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SCHEDULER=${SCHEDULER:-nova.scheduler.filter_scheduler.FilterScheduler}
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QEMU_CONF=/etc/libvirt/qemu.conf
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NOVNC_DIR=$DEST/noVNC
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SPICE_DIR=$DEST/spice-html5
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# Nova Network Configuration
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# --------------------------
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# Set defaults according to the virt driver
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if [ "$VIRT_DRIVER" = 'baremetal' ]; then
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NETWORK_MANAGER=${NETWORK_MANAGER:-FlatManager}
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PUBLIC_INTERFACE_DEFAULT=eth0
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FLAT_INTERFACE=${FLAT_INTERFACE:-eth0}
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FLAT_NETWORK_BRIDGE_DEFAULT=br100
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STUB_NETWORK=${STUB_NETWORK:-False}
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else
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PUBLIC_INTERFACE_DEFAULT=br100
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GUEST_INTERFACE_DEFAULT=eth0
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FLAT_NETWORK_BRIDGE_DEFAULT=br100
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fi
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NETWORK_MANAGER=${NETWORK_MANAGER:-${NET_MAN:-FlatDHCPManager}}
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PUBLIC_INTERFACE=${PUBLIC_INTERFACE:-$PUBLIC_INTERFACE_DEFAULT}
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VLAN_INTERFACE=${VLAN_INTERFACE:-$GUEST_INTERFACE_DEFAULT}
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FLAT_NETWORK_BRIDGE=${FLAT_NETWORK_BRIDGE:-$FLAT_NETWORK_BRIDGE_DEFAULT}
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EC2_DMZ_HOST=${EC2_DMZ_HOST:-$SERVICE_HOST}
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# If you are using the FlatDHCP network mode on multiple hosts, set the
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# ``FLAT_INTERFACE`` variable but make sure that the interface doesn't already
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# have an IP or you risk breaking things.
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#
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# **DHCP Warning**: If your flat interface device uses DHCP, there will be a
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# hiccup while the network is moved from the flat interface to the flat network
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# bridge. This will happen when you launch your first instance. Upon launch
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# you will lose all connectivity to the node, and the VM launch will probably
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# fail.
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#
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# If you are running on a single node and don't need to access the VMs from
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# devices other than that node, you can set ``FLAT_INTERFACE=``
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# This will stop nova from bridging any interfaces into ``FLAT_NETWORK_BRIDGE``.
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FLAT_INTERFACE=${FLAT_INTERFACE:-$GUEST_INTERFACE_DEFAULT}
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# ``MULTI_HOST`` is a mode where each compute node runs its own network node. This
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# allows network operations and routing for a VM to occur on the server that is
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# running the VM - removing a SPOF and bandwidth bottleneck.
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MULTI_HOST=`trueorfalse False $MULTI_HOST`
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# Test floating pool and range are used for testing. They are defined
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# here until the admin APIs can replace nova-manage
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TEST_FLOATING_POOL=${TEST_FLOATING_POOL:-test}
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TEST_FLOATING_RANGE=${TEST_FLOATING_RANGE:-192.168.253.0/29}
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# Functions
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# ---------
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# Helper to clean iptables rules
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function clean_iptables() {
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# Delete rules
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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
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# Delete nat rules
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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
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# Delete chains
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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
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# Delete nat chains
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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
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}
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# cleanup_nova() - Remove residual data files, anything left over from previous
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# runs that a clean run would need to clean up
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function cleanup_nova() {
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if is_service_enabled n-cpu; then
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# Clean iptables from previous runs
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clean_iptables
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# Destroy old instances
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instances=`sudo virsh list --all | grep $INSTANCE_NAME_PREFIX | sed "s/.*\($INSTANCE_NAME_PREFIX[0-9a-fA-F]*\).*/\1/g"`
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if [ ! "$instances" = "" ]; then
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echo $instances | xargs -n1 sudo virsh destroy || true
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echo $instances | xargs -n1 sudo virsh undefine --managed-save || true
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fi
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# Logout and delete iscsi sessions
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tgts=$(sudo iscsiadm --mode node | grep $VOLUME_NAME_PREFIX | cut -d ' ' -f2)
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for target in $tgts; do
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sudo iscsiadm --mode node -T $target --logout || true
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done
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sudo iscsiadm --mode node --op delete || true
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# Clean out the instances directory.
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sudo rm -rf $NOVA_INSTANCES_PATH/*
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fi
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sudo rm -rf $NOVA_STATE_PATH $NOVA_AUTH_CACHE_DIR
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# NOTE(dtroyer): This really should be called from here but due to the way
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# nova abuses the _cleanup() function we're moving it
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# directly into cleanup.sh until this can be fixed.
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#if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
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# cleanup_nova_hypervisor
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#fi
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}
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# configure_nova_rootwrap() - configure Nova's rootwrap
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function configure_nova_rootwrap() {
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# Deploy new rootwrap filters files (owned by root).
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# Wipe any existing rootwrap.d files first
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if [[ -d $NOVA_CONF_DIR/rootwrap.d ]]; then
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sudo rm -rf $NOVA_CONF_DIR/rootwrap.d
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fi
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# Deploy filters to /etc/nova/rootwrap.d
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sudo mkdir -m 755 $NOVA_CONF_DIR/rootwrap.d
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sudo cp $NOVA_DIR/etc/nova/rootwrap.d/*.filters $NOVA_CONF_DIR/rootwrap.d
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sudo chown -R root:root $NOVA_CONF_DIR/rootwrap.d
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sudo chmod 644 $NOVA_CONF_DIR/rootwrap.d/*
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# Set up rootwrap.conf, pointing to /etc/nova/rootwrap.d
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sudo cp $NOVA_DIR/etc/nova/rootwrap.conf $NOVA_CONF_DIR/
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sudo sed -e "s:^filters_path=.*$:filters_path=$NOVA_CONF_DIR/rootwrap.d:" -i $NOVA_CONF_DIR/rootwrap.conf
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sudo chown root:root $NOVA_CONF_DIR/rootwrap.conf
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sudo chmod 0644 $NOVA_CONF_DIR/rootwrap.conf
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# Specify rootwrap.conf as first parameter to nova-rootwrap
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ROOTWRAP_SUDOER_CMD="$NOVA_ROOTWRAP $NOVA_CONF_DIR/rootwrap.conf *"
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# Set up the rootwrap sudoers for nova
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TEMPFILE=`mktemp`
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echo "$USER ALL=(root) NOPASSWD: $ROOTWRAP_SUDOER_CMD" >$TEMPFILE
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chmod 0440 $TEMPFILE
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sudo chown root:root $TEMPFILE
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sudo mv $TEMPFILE /etc/sudoers.d/nova-rootwrap
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}
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# configure_nova() - Set config files, create data dirs, etc
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function configure_nova() {
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# Put config files in ``/etc/nova`` for everyone to find
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if [[ ! -d $NOVA_CONF_DIR ]]; then
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sudo mkdir -p $NOVA_CONF_DIR
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fi
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sudo chown $STACK_USER $NOVA_CONF_DIR
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cp -p $NOVA_DIR/etc/nova/policy.json $NOVA_CONF_DIR
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configure_nova_rootwrap
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if is_service_enabled n-api; then
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# Use the sample http middleware configuration supplied in the
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# Nova sources. This paste config adds the configuration required
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# for Nova to validate Keystone tokens.
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# Remove legacy paste config if present
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rm -f $NOVA_DIR/bin/nova-api-paste.ini
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# Get the sample configuration file in place
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cp $NOVA_DIR/etc/nova/api-paste.ini $NOVA_CONF_DIR
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iniset $NOVA_API_PASTE_INI filter:authtoken auth_host $KEYSTONE_AUTH_HOST
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if is_service_enabled tls-proxy; then
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iniset $NOVA_API_PASTE_INI filter:authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
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fi
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iniset $NOVA_API_PASTE_INI filter:authtoken admin_tenant_name $SERVICE_TENANT_NAME
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iniset $NOVA_API_PASTE_INI filter:authtoken admin_user nova
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iniset $NOVA_API_PASTE_INI filter:authtoken admin_password $SERVICE_PASSWORD
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fi
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iniset $NOVA_API_PASTE_INI filter:authtoken signing_dir $NOVA_AUTH_CACHE_DIR
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if is_service_enabled n-cpu; then
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# Force IP forwarding on, just on case
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sudo sysctl -w net.ipv4.ip_forward=1
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if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
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# Attempt to load modules: network block device - used to manage qcow images
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sudo modprobe nbd || true
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# Check for kvm (hardware based virtualization). If unable to initialize
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# kvm, we drop back to the slower emulation mode (qemu). Note: many systems
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# come with hardware virtualization disabled in BIOS.
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if [[ "$LIBVIRT_TYPE" == "kvm" ]]; then
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sudo modprobe kvm || true
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if [ ! -e /dev/kvm ]; then
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echo "WARNING: Switching to QEMU"
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LIBVIRT_TYPE=qemu
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if which selinuxenabled 2>&1 > /dev/null && selinuxenabled; then
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# https://bugzilla.redhat.com/show_bug.cgi?id=753589
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sudo setsebool virt_use_execmem on
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fi
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fi
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fi
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# Install and configure **LXC** if specified. LXC is another approach to
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# splitting a system into many smaller parts. LXC uses cgroups and chroot
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# to simulate multiple systems.
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if [[ "$LIBVIRT_TYPE" == "lxc" ]]; then
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if is_ubuntu; then
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if [[ ! "$DISTRO" > natty ]]; then
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cgline="none /cgroup cgroup cpuacct,memory,devices,cpu,freezer,blkio 0 0"
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sudo mkdir -p /cgroup
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if ! grep -q cgroup /etc/fstab; then
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echo "$cgline" | sudo tee -a /etc/fstab
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fi
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if ! mount -n | grep -q cgroup; then
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sudo mount /cgroup
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fi
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fi
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fi
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fi
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fi
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# Prepare directories and packages for baremetal driver
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if is_baremetal; then
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configure_baremetal_nova_dirs
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fi
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if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
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if is_service_enabled neutron && is_neutron_ovs_base_plugin && ! sudo grep -q '^cgroup_device_acl' $QEMU_CONF; then
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# Add /dev/net/tun to cgroup_device_acls, needed for type=ethernet interfaces
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cat <<EOF | sudo tee -a $QEMU_CONF
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cgroup_device_acl = [
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"/dev/null", "/dev/full", "/dev/zero",
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"/dev/random", "/dev/urandom",
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"/dev/ptmx", "/dev/kvm", "/dev/kqemu",
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"/dev/rtc", "/dev/hpet","/dev/net/tun",
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]
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EOF
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fi
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if is_ubuntu; then
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LIBVIRT_DAEMON=libvirt-bin
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else
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LIBVIRT_DAEMON=libvirtd
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fi
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if is_fedora || is_suse; then
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if is_fedora && [[ $DISTRO =~ (rhel6) || "$os_RELEASE" -le "17" ]]; then
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sudo bash -c "cat <<EOF >/etc/polkit-1/localauthority/50-local.d/50-libvirt-remote-access.pkla
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[libvirt Management Access]
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Identity=unix-group:$LIBVIRT_GROUP
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Action=org.libvirt.unix.manage
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ResultAny=yes
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ResultInactive=yes
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ResultActive=yes
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EOF"
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elif is_suse && [[ $os_RELEASE = 12.2 || "$os_VENDOR" = "SUSE LINUX" ]]; then
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# openSUSE < 12.3 or SLE
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# Work around the fact that polkit-default-privs overrules pklas
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# with 'unix-group:$group'.
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sudo bash -c "cat <<EOF >/etc/polkit-1/localauthority/50-local.d/50-libvirt-remote-access.pkla
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[libvirt Management Access]
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Identity=unix-user:$USER
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Action=org.libvirt.unix.manage
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ResultAny=yes
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ResultInactive=yes
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ResultActive=yes
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EOF"
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else
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# Starting with fedora 18 and opensuse-12.3 enable stack-user to
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# virsh -c qemu:///system by creating a policy-kit rule for
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# stack-user using the new Javascript syntax
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rules_dir=/etc/polkit-1/rules.d
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sudo mkdir -p $rules_dir
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sudo bash -c "cat <<EOF > $rules_dir/50-libvirt-$STACK_USER.rules
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polkit.addRule(function(action, subject) {
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if (action.id == 'org.libvirt.unix.manage' &&
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subject.user == '"$STACK_USER"') {
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return polkit.Result.YES;
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}
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});
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EOF"
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unset rules_dir
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fi
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fi
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# The user that nova runs as needs to be member of **libvirtd** group otherwise
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# nova-compute will be unable to use libvirt.
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if ! getent group $LIBVIRT_GROUP >/dev/null; then
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sudo groupadd $LIBVIRT_GROUP
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fi
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add_user_to_group $STACK_USER $LIBVIRT_GROUP
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# libvirt detects various settings on startup, as we potentially changed
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# the system configuration (modules, filesystems), we need to restart
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# libvirt to detect those changes.
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restart_service $LIBVIRT_DAEMON
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fi
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# Instance Storage
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# ----------------
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# Nova stores each instance in its own directory.
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sudo mkdir -p $NOVA_INSTANCES_PATH
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sudo chown -R $STACK_USER $NOVA_INSTANCES_PATH
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# You can specify a different disk to be mounted and used for backing the
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# virtual machines. If there is a partition labeled nova-instances we
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# mount it (ext filesystems can be labeled via e2label).
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if [ -L /dev/disk/by-label/nova-instances ]; then
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if ! mount -n | grep -q $NOVA_INSTANCES_PATH; then
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sudo mount -L nova-instances $NOVA_INSTANCES_PATH
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sudo chown -R $STACK_USER $NOVA_INSTANCES_PATH
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fi
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fi
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fi
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}
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# create_nova_accounts() - Set up common required nova accounts
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# Tenant User Roles
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# ------------------------------------------------------------------
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# service nova admin, [ResellerAdmin (swift only)]
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# Migrated from keystone_data.sh
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create_nova_accounts() {
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SERVICE_TENANT=$(keystone tenant-list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
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ADMIN_ROLE=$(keystone role-list | awk "/ admin / { print \$2 }")
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# Nova
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if [[ "$ENABLED_SERVICES" =~ "n-api" ]]; then
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NOVA_USER=$(keystone user-create \
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--name=nova \
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--pass="$SERVICE_PASSWORD" \
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--tenant_id $SERVICE_TENANT \
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--email=nova@example.com \
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| grep " id " | get_field 2)
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keystone user-role-add \
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--tenant-id $SERVICE_TENANT \
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--user-id $NOVA_USER \
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--role-id $ADMIN_ROLE
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if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
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NOVA_SERVICE=$(keystone service-create \
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--name=nova \
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--type=compute \
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--description="Nova Compute Service" \
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| grep " id " | get_field 2)
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keystone endpoint-create \
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--region RegionOne \
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--service_id $NOVA_SERVICE \
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--publicurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s" \
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--adminurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s" \
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--internalurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v2/\$(tenant_id)s"
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NOVA_V3_SERVICE=$(keystone service-create \
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--name=nova \
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--type=computev3 \
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--description="Nova Compute Service V3" \
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| grep " id " | get_field 2)
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keystone endpoint-create \
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--region RegionOne \
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--service_id $NOVA_V3_SERVICE \
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--publicurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v3" \
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--adminurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v3" \
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--internalurl "$NOVA_SERVICE_PROTOCOL://$NOVA_SERVICE_HOST:$NOVA_SERVICE_PORT/v3"
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fi
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fi
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}
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# create_nova_conf() - Create a new nova.conf file
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function create_nova_conf() {
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# Remove legacy ``nova.conf``
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rm -f $NOVA_DIR/bin/nova.conf
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# (Re)create ``nova.conf``
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rm -f $NOVA_CONF
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iniset $NOVA_CONF DEFAULT verbose "True"
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iniset $NOVA_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
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iniset $NOVA_CONF DEFAULT auth_strategy "keystone"
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iniset $NOVA_CONF DEFAULT allow_resize_to_same_host "True"
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iniset $NOVA_CONF DEFAULT api_paste_config "$NOVA_API_PASTE_INI"
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iniset $NOVA_CONF DEFAULT rootwrap_config "$NOVA_CONF_DIR/rootwrap.conf"
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iniset $NOVA_CONF DEFAULT scheduler_driver "$SCHEDULER"
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iniset $NOVA_CONF DEFAULT dhcpbridge_flagfile "$NOVA_CONF"
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iniset $NOVA_CONF DEFAULT force_dhcp_release "True"
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iniset $NOVA_CONF DEFAULT fixed_range ""
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iniset $NOVA_CONF DEFAULT default_floating_pool "$PUBLIC_NETWORK_NAME"
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iniset $NOVA_CONF DEFAULT s3_host "$SERVICE_HOST"
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iniset $NOVA_CONF DEFAULT s3_port "$S3_SERVICE_PORT"
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iniset $NOVA_CONF DEFAULT osapi_compute_extension "nova.api.openstack.compute.contrib.standard_extensions"
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iniset $NOVA_CONF DEFAULT my_ip "$HOST_IP"
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iniset $NOVA_CONF DEFAULT osapi_compute_workers "4"
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iniset $NOVA_CONF DEFAULT ec2_workers "4"
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iniset $NOVA_CONF DEFAULT metadata_workers "4"
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iniset $NOVA_CONF DEFAULT sql_connection `database_connection_url nova`
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if is_baremetal; then
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iniset $NOVA_CONF baremetal sql_connection `database_connection_url nova_bm`
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fi
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if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
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iniset $NOVA_CONF DEFAULT libvirt_type "$LIBVIRT_TYPE"
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iniset $NOVA_CONF DEFAULT libvirt_cpu_mode "none"
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iniset $NOVA_CONF DEFAULT use_usb_tablet "False"
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fi
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iniset $NOVA_CONF DEFAULT instance_name_template "${INSTANCE_NAME_PREFIX}%08x"
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iniset $NOVA_CONF osapi_v3 enabled "True"
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if is_fedora; then
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# nova defaults to /usr/local/bin, but fedora pip likes to
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# install things in /usr/bin
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iniset $NOVA_CONF DEFAULT bindir "/usr/bin"
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fi
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if is_service_enabled n-api; then
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iniset $NOVA_CONF DEFAULT enabled_apis "$NOVA_ENABLED_APIS"
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if is_service_enabled tls-proxy; then
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# Set the service port for a proxy to take the original
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iniset $NOVA_CONF DEFAULT osapi_compute_listen_port "$NOVA_SERVICE_PORT_INT"
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fi
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fi
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if is_service_enabled cinder; then
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iniset $NOVA_CONF DEFAULT volume_api_class "nova.volume.cinder.API"
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fi
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if [ -n "$NOVA_STATE_PATH" ]; then
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iniset $NOVA_CONF DEFAULT state_path "$NOVA_STATE_PATH"
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iniset $NOVA_CONF DEFAULT lock_path "$NOVA_STATE_PATH"
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fi
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if [ -n "$NOVA_INSTANCES_PATH" ]; then
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iniset $NOVA_CONF DEFAULT instances_path "$NOVA_INSTANCES_PATH"
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fi
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if [ "$MULTI_HOST" != "False" ]; then
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iniset $NOVA_CONF DEFAULT multi_host "True"
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iniset $NOVA_CONF DEFAULT send_arp_for_ha "True"
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fi
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if [ "$SYSLOG" != "False" ]; then
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iniset $NOVA_CONF DEFAULT use_syslog "True"
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fi
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if [ "$API_RATE_LIMIT" != "True" ]; then
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iniset $NOVA_CONF DEFAULT api_rate_limit "False"
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fi
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# Format logging
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if [ "$LOG_COLOR" == "True" ] && [ "$SYSLOG" == "False" ]; then
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setup_colorized_logging $NOVA_CONF DEFAULT
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else
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# Show user_name and project_name instead of user_id and project_id
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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"
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fi
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if is_service_enabled ceilometer; then
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iniset $NOVA_CONF DEFAULT instance_usage_audit "True"
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iniset $NOVA_CONF DEFAULT instance_usage_audit_period "hour"
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iniset $NOVA_CONF DEFAULT notify_on_state_change "vm_and_task_state"
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iniset $NOVA_CONF DEFAULT notification_driver "nova.openstack.common.notifier.rpc_notifier"
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fi
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# Provide some transition from ``EXTRA_FLAGS`` to ``EXTRA_OPTS``
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if [[ -z "$EXTRA_OPTS" && -n "$EXTRA_FLAGS" ]]; then
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EXTRA_OPTS=$EXTRA_FLAGS
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fi
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# Define extra nova conf flags by defining the array ``EXTRA_OPTS``.
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# For Example: ``EXTRA_OPTS=(foo=true bar=2)``
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for I in "${EXTRA_OPTS[@]}"; do
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# Replace the first '=' with ' ' for iniset syntax
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iniset $NOVA_CONF DEFAULT ${I/=/ }
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done
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# All nova-compute workers need to know the vnc configuration options
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# These settings don't hurt anything if n-xvnc and n-novnc are disabled
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if is_service_enabled n-cpu; then
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NOVNCPROXY_URL=${NOVNCPROXY_URL:-"http://$SERVICE_HOST:6080/vnc_auto.html"}
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iniset $NOVA_CONF DEFAULT novncproxy_base_url "$NOVNCPROXY_URL"
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XVPVNCPROXY_URL=${XVPVNCPROXY_URL:-"http://$SERVICE_HOST:6081/console"}
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iniset $NOVA_CONF DEFAULT xvpvncproxy_base_url "$XVPVNCPROXY_URL"
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SPICEHTML5PROXY_URL=${SPICEHTML5PROXY_URL:-"http://$SERVICE_HOST:6082/spice_auto.html"}
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iniset $NOVA_CONF spice html5proxy_base_url "$SPICEHTML5PROXY_URL"
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fi
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if is_service_enabled n-novnc || is_service_enabled n-xvnc; then
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# Address on which instance vncservers will listen on compute hosts.
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# For multi-host, this should be the management ip of the compute host.
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VNCSERVER_LISTEN=${VNCSERVER_LISTEN=127.0.0.1}
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VNCSERVER_PROXYCLIENT_ADDRESS=${VNCSERVER_PROXYCLIENT_ADDRESS=127.0.0.1}
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iniset $NOVA_CONF DEFAULT vnc_enabled true
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iniset $NOVA_CONF DEFAULT vncserver_listen "$VNCSERVER_LISTEN"
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iniset $NOVA_CONF DEFAULT vncserver_proxyclient_address "$VNCSERVER_PROXYCLIENT_ADDRESS"
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else
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iniset $NOVA_CONF DEFAULT vnc_enabled false
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fi
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if is_service_enabled n-spice; then
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# Address on which instance spiceservers will listen on compute hosts.
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# For multi-host, this should be the management ip of the compute host.
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SPICESERVER_PROXYCLIENT_ADDRESS=${SPICESERVER_PROXYCLIENT_ADDRESS=127.0.0.1}
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SPICESERVER_LISTEN=${SPICESERVER_LISTEN=127.0.0.1}
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iniset $NOVA_CONF spice enabled true
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iniset $NOVA_CONF spice server_listen "$SPICESERVER_LISTEN"
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iniset $NOVA_CONF spice server_proxyclient_address "$SPICESERVER_PROXYCLIENT_ADDRESS"
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else
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iniset $NOVA_CONF spice enabled false
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fi
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iniset $NOVA_CONF DEFAULT ec2_dmz_host "$EC2_DMZ_HOST"
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iniset_rpc_backend nova $NOVA_CONF DEFAULT
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iniset $NOVA_CONF DEFAULT glance_api_servers "$GLANCE_HOSTPORT"
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}
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function init_nova_cells() {
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if is_service_enabled n-cell; then
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cp $NOVA_CONF $NOVA_CELLS_CONF
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iniset $NOVA_CELLS_CONF DEFAULT sql_connection `database_connection_url $NOVA_CELLS_DB`
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iniset $NOVA_CELLS_CONF DEFAULT rabbit_virtual_host child_cell
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iniset $NOVA_CELLS_CONF DEFAULT dhcpbridge_flagfile $NOVA_CELLS_CONF
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iniset $NOVA_CELLS_CONF cells enable True
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iniset $NOVA_CELLS_CONF cells cell_type compute
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iniset $NOVA_CELLS_CONF cells name child
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iniset $NOVA_CONF cells enable True
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iniset $NOVA_CONF cells cell_type api
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iniset $NOVA_CONF cells name region
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if is_service_enabled n-api-meta; then
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NOVA_ENABLED_APIS=$(echo $NOVA_ENABLED_APIS | sed "s/,metadata//")
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iniset $NOVA_CONF DEFAULT enabled_apis $NOVA_ENABLED_APIS
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iniset $NOVA_CELLS_CONF DEFAULT enabled_apis metadata
|
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fi
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$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CELLS_CONF db sync
|
|
$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CELLS_CONF cell create --name=region --cell_type=parent --username=guest --hostname=$RABBIT_HOST --port=5672 --password=$RABBIT_PASSWORD --virtual_host=/ --woffset=0 --wscale=1
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|
$NOVA_BIN_DIR/nova-manage cell create --name=child --cell_type=child --username=guest --hostname=$RABBIT_HOST --port=5672 --password=$RABBIT_PASSWORD --virtual_host=child_cell --woffset=0 --wscale=1
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fi
|
|
}
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# create_nova_cache_dir() - Part of the init_nova() process
|
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function create_nova_cache_dir() {
|
|
# Create cache dir
|
|
sudo mkdir -p $NOVA_AUTH_CACHE_DIR
|
|
sudo chown $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"
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iniset $NOVA_CONF DEFAULT public_interface "$PUBLIC_INTERFACE"
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iniset $NOVA_CONF DEFAULT vlan_interface "$VLAN_INTERFACE"
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|
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 mkdir -p ${NOVA_STATE_PATH}/keys
|
|
sudo chown -R $STACK_USER ${NOVA_STATE_PATH}
|
|
}
|
|
|
|
# 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
|
|
# Explicitly use latin1: to avoid lp#829209, nova expects the database to
|
|
# use latin1 by default, and then upgrades the database to utf8 (see the
|
|
# 082_essex.py in nova)
|
|
recreate_database nova latin1
|
|
|
|
# Migrate nova database
|
|
$NOVA_BIN_DIR/nova-manage db sync
|
|
|
|
if is_service_enabled n-cell; then
|
|
recreate_database $NOVA_CELLS_DB latin1
|
|
fi
|
|
|
|
# (Re)create nova baremetal database
|
|
if is_baremetal; then
|
|
recreate_database nova_bm latin1
|
|
$NOVA_BIN_DIR/nova-baremetal-manage db sync
|
|
fi
|
|
fi
|
|
|
|
create_nova_cache_dir
|
|
create_nova_keys_dir
|
|
}
|
|
|
|
# install_novaclient() - Collect source and prepare
|
|
function install_novaclient() {
|
|
git_clone $NOVACLIENT_REPO $NOVACLIENT_DIR $NOVACLIENT_BRANCH
|
|
setup_develop $NOVACLIENT_DIR
|
|
sudo install -D -m 0644 -o $STACK_USER {$NOVACLIENT_DIR/tools/,/etc/bash_completion.d/}nova.bash_completion
|
|
}
|
|
|
|
# install_nova() - Collect source and prepare
|
|
function install_nova() {
|
|
if is_service_enabled n-cpu; then
|
|
if [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
|
|
install_nova_hypervisor
|
|
elif [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
|
|
if is_ubuntu; then
|
|
install_package kvm
|
|
install_package libvirt-bin
|
|
install_package python-libvirt
|
|
elif is_fedora || is_suse; then
|
|
install_package kvm
|
|
install_package libvirt
|
|
install_package libvirt-python
|
|
else
|
|
exit_distro_not_supported "libvirt installation"
|
|
fi
|
|
|
|
# Install and configure **LXC** if specified. LXC is another approach to
|
|
# splitting a system into many smaller parts. LXC uses cgroups and chroot
|
|
# to simulate multiple systems.
|
|
if [[ "$LIBVIRT_TYPE" == "lxc" ]]; then
|
|
if is_ubuntu; then
|
|
if [[ "$DISTRO" > natty ]]; then
|
|
install_package cgroup-lite
|
|
fi
|
|
else
|
|
### FIXME(dtroyer): figure this out
|
|
echo "RPM-based cgroup not implemented yet"
|
|
yum_install libcgroup-tools
|
|
fi
|
|
fi
|
|
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
|
|
}
|
|
|
|
# start_nova_api() - Start the API process ahead of other things
|
|
function start_nova_api() {
|
|
# Get right service port for testing
|
|
local service_port=$NOVA_SERVICE_PORT
|
|
if is_service_enabled tls-proxy; then
|
|
service_port=$NOVA_SERVICE_PORT_INT
|
|
fi
|
|
|
|
screen_it n-api "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-api"
|
|
echo "Waiting for nova-api to start..."
|
|
if ! wait_for_service $SERVICE_TIMEOUT http://$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 $NOVA_SERVICE_PORT_INT &
|
|
fi
|
|
}
|
|
|
|
# start_nova() - Start running processes, including screen
|
|
function start_nova() {
|
|
NOVA_CONF_BOTTOM=$NOVA_CONF
|
|
|
|
# ``screen_it`` checks ``is_service_enabled``, it is not needed here
|
|
screen_it n-cond "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-conductor"
|
|
|
|
if is_service_enabled n-cell; then
|
|
NOVA_CONF_BOTTOM=$NOVA_CELLS_CONF
|
|
screen_it n-cond "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-conductor --config-file $NOVA_CELLS_CONF"
|
|
screen_it n-cell-region "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cells --config-file $NOVA_CONF"
|
|
screen_it n-cell-child "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cells --config-file $NOVA_CELLS_CONF"
|
|
fi
|
|
|
|
if [[ "$VIRT_DRIVER" = 'libvirt' ]]; then
|
|
# The group **$LIBVIRT_GROUP** is added to the current user in this script.
|
|
# Use 'sg' to execute nova-compute as a member of the **$LIBVIRT_GROUP** group.
|
|
screen_it n-cpu "cd $NOVA_DIR && sg $LIBVIRT_GROUP '$NOVA_BIN_DIR/nova-compute --config-file $NOVA_CONF_BOTTOM'"
|
|
elif [[ "$VIRT_DRIVER" = 'fake' ]]; then
|
|
for i in `seq 1 $NUMBER_FAKE_NOVA_COMPUTE`
|
|
do
|
|
screen_it n-cpu "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-compute --config-file $NOVA_CONF_BOTTOM"
|
|
done
|
|
else
|
|
if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
|
|
start_nova_hypervisor
|
|
fi
|
|
screen_it n-cpu "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-compute --config-file $NOVA_CONF_BOTTOM"
|
|
fi
|
|
screen_it n-crt "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-cert"
|
|
screen_it n-net "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-network --config-file $NOVA_CONF_BOTTOM"
|
|
screen_it n-sch "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-scheduler --config-file $NOVA_CONF_BOTTOM"
|
|
screen_it n-api-meta "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-api-metadata --config-file $NOVA_CONF_BOTTOM"
|
|
|
|
screen_it n-novnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-novncproxy --config-file $NOVA_CONF --web $NOVNC_DIR"
|
|
screen_it n-xvnc "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-xvpvncproxy --config-file $NOVA_CONF"
|
|
screen_it n-spice "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-spicehtml5proxy --config-file $NOVA_CONF --web $SPICE_DIR"
|
|
screen_it n-cauth "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-consoleauth"
|
|
|
|
# Starting the nova-objectstore only if swift3 service is not enabled.
|
|
# Swift will act as s3 objectstore.
|
|
is_service_enabled swift3 || \
|
|
screen_it n-obj "cd $NOVA_DIR && $NOVA_BIN_DIR/nova-objectstore"
|
|
}
|
|
|
|
# stop_nova() - Stop running processes (non-screen)
|
|
function stop_nova() {
|
|
# 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-cpu n-crt n-net n-sch n-novnc n-xvnc n-cauth n-spice n-cond n-cond n-cell n-cell n-api-meta; do
|
|
screen -S $SCREEN_NAME -p $serv -X kill
|
|
done
|
|
if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then
|
|
stop_nova_hypervisor
|
|
fi
|
|
}
|
|
|
|
|
|
# Restore xtrace
|
|
$XTRACE
|
|
|
|
# Local variables:
|
|
# mode: shell-script
|
|
# End:
|