371 lines
18 KiB
Bash
371 lines
18 KiB
Bash
#!/bin/bash
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# Subnet IP version
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IP_VERSION=${IP_VERSION:-"4+6"}
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# Validate IP_VERSION
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if [[ $IP_VERSION != "4" ]] && [[ $IP_VERSION != "6" ]] && [[ $IP_VERSION != "4+6" ]]; then
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die $LINENO "IP_VERSION must be either 4, 6, or 4+6"
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fi
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# Specify if the initial private and external networks should be created
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NEUTRON_CREATE_INITIAL_NETWORKS=${NEUTRON_CREATE_INITIAL_NETWORKS:-True}
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## Provider Network Information
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PROVIDER_SUBNET_NAME=${PROVIDER_SUBNET_NAME:-"provider_net"}
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IPV6_PROVIDER_SUBNET_NAME=${IPV6_PROVIDER_SUBNET_NAME:-"provider_net_v6"}
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IPV6_PROVIDER_FIXED_RANGE=${IPV6_PROVIDER_FIXED_RANGE:-}
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IPV6_PROVIDER_NETWORK_GATEWAY=${IPV6_PROVIDER_NETWORK_GATEWAY:-}
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PUBLIC_BRIDGE=${PUBLIC_BRIDGE:-br-ex}
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# If Q_USE_PUBLIC_VETH=True, create and use a veth pair instead of
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# PUBLIC_BRIDGE. This is intended to be used with
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# Q_USE_PROVIDERNET_FOR_PUBLIC=True.
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Q_USE_PUBLIC_VETH=${Q_USE_PUBLIC_VETH:-False}
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Q_PUBLIC_VETH_EX=${Q_PUBLIC_VETH_EX:-veth-pub-ex}
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Q_PUBLIC_VETH_INT=${Q_PUBLIC_VETH_INT:-veth-pub-int}
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# The next variable is configured by plugin
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# e.g. _configure_neutron_l3_agent or lib/neutron_plugins/*
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#
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# L3 routers exist per tenant
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Q_L3_ROUTER_PER_TENANT=${Q_L3_ROUTER_PER_TENANT:-True}
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# Use flat providernet for public network
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#
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# If Q_USE_PROVIDERNET_FOR_PUBLIC=True, use a flat provider network
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# for external interface of neutron l3-agent. In that case,
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# PUBLIC_PHYSICAL_NETWORK specifies provider:physical_network value
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# used for the network. In case of ofagent, you should add the
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# corresponding entry to your OFAGENT_PHYSICAL_INTERFACE_MAPPINGS.
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# For openvswitch agent, you should add the corresponding entry to
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# your OVS_BRIDGE_MAPPINGS.
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#
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# eg. (ofagent)
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# Q_USE_PROVIDERNET_FOR_PUBLIC=True
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# Q_USE_PUBLIC_VETH=True
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# PUBLIC_PHYSICAL_NETWORK=public
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# OFAGENT_PHYSICAL_INTERFACE_MAPPINGS=public:veth-pub-int
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#
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# eg. (openvswitch agent)
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# Q_USE_PROVIDERNET_FOR_PUBLIC=True
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# PUBLIC_PHYSICAL_NETWORK=public
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# OVS_BRIDGE_MAPPINGS=public:br-ex
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Q_USE_PROVIDERNET_FOR_PUBLIC=${Q_USE_PROVIDERNET_FOR_PUBLIC:-False}
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PUBLIC_PHYSICAL_NETWORK=${PUBLIC_PHYSICAL_NETWORK:-public}
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# Generate 40-bit IPv6 Global ID to comply with RFC 4193
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IPV6_GLOBAL_ID=`uuidgen | sed s/-//g | cut -c 23- | sed -e "s/\(..\)\(....\)\(....\)/\1:\2:\3/"`
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# IPv6 gateway and subnet defaults, in case they are not customized in localrc
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IPV6_RA_MODE=${IPV6_RA_MODE:-slaac}
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IPV6_ADDRESS_MODE=${IPV6_ADDRESS_MODE:-slaac}
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IPV6_PUBLIC_SUBNET_NAME=${IPV6_PUBLIC_SUBNET_NAME:-ipv6-public-subnet}
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IPV6_PRIVATE_SUBNET_NAME=${IPV6_PRIVATE_SUBNET_NAME:-ipv6-private-subnet}
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FIXED_RANGE_V6=${FIXED_RANGE_V6:-fd$IPV6_GLOBAL_ID::/64}
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IPV6_PRIVATE_NETWORK_GATEWAY=${IPV6_PRIVATE_NETWORK_GATEWAY:-fd$IPV6_GLOBAL_ID::1}
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IPV6_PUBLIC_RANGE=${IPV6_PUBLIC_RANGE:-2001:db8::/64}
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IPV6_PUBLIC_NETWORK_GATEWAY=${IPV6_PUBLIC_NETWORK_GATEWAY:-2001:db8::2}
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IPV6_ROUTER_GW_IP=${IPV6_ROUTER_GW_IP:-2001:db8::1}
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# Gateway and subnet defaults, in case they are not customized in localrc
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NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}
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PUBLIC_NETWORK_GATEWAY=${PUBLIC_NETWORK_GATEWAY:-172.24.4.1}
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PRIVATE_SUBNET_NAME=${PRIVATE_SUBNET_NAME:-"private-subnet"}
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PUBLIC_SUBNET_NAME=${PUBLIC_SUBNET_NAME:-"public-subnet"}
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# Subnetpool defaults
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SUBNETPOOL_NAME=${SUBNETPOOL_NAME:-"shared-default-subnetpool"}
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SUBNETPOOL_PREFIX_V4=${SUBNETPOOL_PREFIX_V4:-10.0.0.0/8}
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SUBNETPOOL_PREFIX_V6=${SUBNETPOOL_PREFIX_V6:-2001:db8:8000::/48}
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SUBNETPOOL_SIZE_V4=${SUBNETPOOL_SIZE_V4:-24}
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SUBNETPOOL_SIZE_V6=${SUBNETPOOL_SIZE_V6:-64}
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function _determine_config_l3 {
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local opts="--config-file $NEUTRON_CONF --config-file $Q_L3_CONF_FILE"
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echo "$opts"
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}
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function _configure_neutron_l3_agent {
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cp $NEUTRON_DIR/etc/l3_agent.ini.sample $Q_L3_CONF_FILE
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iniset $Q_L3_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
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iniset $Q_L3_CONF_FILE AGENT root_helper "$Q_RR_COMMAND"
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if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
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iniset $Q_L3_CONF_FILE AGENT root_helper_daemon "$Q_RR_DAEMON_COMMAND"
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fi
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_neutron_setup_interface_driver $Q_L3_CONF_FILE
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neutron_plugin_configure_l3_agent
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_move_neutron_addresses_route "$PUBLIC_INTERFACE" "$OVS_PHYSICAL_BRIDGE" True False "inet"
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if [[ $(ip -f inet6 a s dev "$PUBLIC_INTERFACE" | grep -c 'global') != 0 ]]; then
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_move_neutron_addresses_route "$PUBLIC_INTERFACE" "$OVS_PHYSICAL_BRIDGE" False False "inet6"
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fi
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}
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# Explicitly set router id in l3 agent configuration
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function _neutron_set_router_id {
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if [[ "$Q_L3_ROUTER_PER_TENANT" == "False" ]]; then
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iniset $Q_L3_CONF_FILE DEFAULT router_id $ROUTER_ID
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fi
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}
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# Get ext_gw_interface depending on value of Q_USE_PUBLIC_VETH
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function _neutron_get_ext_gw_interface {
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if [[ "$Q_USE_PUBLIC_VETH" == "True" ]]; then
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echo $Q_PUBLIC_VETH_EX
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else
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# Disable in-band as we are going to use local port
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# to communicate with VMs
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sudo ovs-vsctl set Bridge $PUBLIC_BRIDGE \
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other_config:disable-in-band=true
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echo $PUBLIC_BRIDGE
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fi
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}
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function create_neutron_initial_network {
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local project_id
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project_id=$(openstack project list | grep " demo " | get_field 1)
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die_if_not_set $LINENO project_id "Failure retrieving project_id for demo"
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# Allow drivers that need to create an initial network to do so here
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if type -p neutron_plugin_create_initial_network_profile > /dev/null; then
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neutron_plugin_create_initial_network_profile $PHYSICAL_NETWORK
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fi
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if is_provider_network; then
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die_if_not_set $LINENO PHYSICAL_NETWORK "You must specify the PHYSICAL_NETWORK"
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die_if_not_set $LINENO PROVIDER_NETWORK_TYPE "You must specify the PROVIDER_NETWORK_TYPE"
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NET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" net-create $PHYSICAL_NETWORK --tenant_id $project_id --provider:network_type $PROVIDER_NETWORK_TYPE --provider:physical_network "$PHYSICAL_NETWORK" ${SEGMENTATION_ID:+--provider:segmentation_id $SEGMENTATION_ID} --shared | grep ' id ' | get_field 2)
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die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PHYSICAL_NETWORK $project_id"
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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SUBNET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create --tenant_id $project_id --ip_version 4 ${ALLOCATION_POOL:+--allocation-pool $ALLOCATION_POOL} --name $PROVIDER_SUBNET_NAME --gateway $NETWORK_GATEWAY $NET_ID $FIXED_RANGE | grep ' id ' | get_field 2)
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die_if_not_set $LINENO SUBNET_ID "Failure creating SUBNET_ID for $PROVIDER_SUBNET_NAME $project_id"
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fi
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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die_if_not_set $LINENO IPV6_PROVIDER_FIXED_RANGE "IPV6_PROVIDER_FIXED_RANGE has not been set, but Q_USE_PROVIDERNET_FOR_PUBLIC is true and IP_VERSION includes 6"
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die_if_not_set $LINENO IPV6_PROVIDER_NETWORK_GATEWAY "IPV6_PROVIDER_NETWORK_GATEWAY has not been set, but Q_USE_PROVIDERNET_FOR_PUBLIC is true and IP_VERSION includes 6"
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SUBNET_V6_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create --tenant_id $project_id --ip_version 6 --ipv6-address-mode $IPV6_ADDRESS_MODE --gateway $IPV6_PROVIDER_NETWORK_GATEWAY --name $IPV6_PROVIDER_SUBNET_NAME $NET_ID $IPV6_PROVIDER_FIXED_RANGE | grep 'id' | get_field 2)
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die_if_not_set $LINENO SUBNET_V6_ID "Failure creating SUBNET_V6_ID for $IPV6_PROVIDER_SUBNET_NAME $project_id"
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fi
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if [[ $Q_AGENT == "openvswitch" ]]; then
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sudo ip link set $OVS_PHYSICAL_BRIDGE up
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sudo ip link set br-int up
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sudo ip link set $PUBLIC_INTERFACE up
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fi
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else
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NET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" net-create --tenant-id $project_id "$PRIVATE_NETWORK_NAME" | grep ' id ' | get_field 2)
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die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PRIVATE_NETWORK_NAME $project_id"
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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# Create IPv4 private subnet
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SUBNET_ID=$(_neutron_create_private_subnet_v4 $project_id)
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fi
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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# Create IPv6 private subnet
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IPV6_SUBNET_ID=$(_neutron_create_private_subnet_v6 $project_id)
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fi
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fi
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if is_networking_extension_supported "router" && is_networking_extension_supported "external-net"; then
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# Create a router, and add the private subnet as one of its interfaces
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if [[ "$Q_L3_ROUTER_PER_TENANT" == "True" ]]; then
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# create a tenant-owned router.
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ROUTER_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-create --tenant-id $project_id $Q_ROUTER_NAME | grep ' id ' | get_field 2)
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die_if_not_set $LINENO ROUTER_ID "Failure creating ROUTER_ID for $project_id $Q_ROUTER_NAME"
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else
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# Plugin only supports creating a single router, which should be admin owned.
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ROUTER_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-create $Q_ROUTER_NAME | grep ' id ' | get_field 2)
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die_if_not_set $LINENO ROUTER_ID "Failure creating ROUTER_ID for $Q_ROUTER_NAME"
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fi
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EXTERNAL_NETWORK_FLAGS="--router:external"
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if is_networking_extension_supported "auto-allocated-topology" && is_networking_extension_supported "subnet_allocation"; then
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EXTERNAL_NETWORK_FLAGS="$EXTERNAL_NETWORK_FLAGS --is-default"
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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SUBNETPOOL_V4_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnetpool-create $SUBNETPOOL_NAME --default-prefixlen $SUBNETPOOL_SIZE_V4 --pool-prefix $SUBNETPOOL_PREFIX_V4 --shared --is-default=True | grep ' id ' | get_field 2)
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fi
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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SUBNETPOOL_V6_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnetpool-create $SUBNETPOOL_NAME --default-prefixlen $SUBNETPOOL_SIZE_V6 --pool-prefix $SUBNETPOOL_PREFIX_V6 --shared --is-default=True | grep ' id ' | get_field 2)
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fi
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fi
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# Create an external network, and a subnet. Configure the external network as router gw
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if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" = "True" ]; then
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EXT_NET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" net-create "$PUBLIC_NETWORK_NAME" -- $EXTERNAL_NETWORK_FLAGS --provider:network_type=flat --provider:physical_network=${PUBLIC_PHYSICAL_NETWORK} | grep ' id ' | get_field 2)
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else
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EXT_NET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" net-create "$PUBLIC_NETWORK_NAME" -- $EXTERNAL_NETWORK_FLAGS | grep ' id ' | get_field 2)
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fi
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die_if_not_set $LINENO EXT_NET_ID "Failure creating EXT_NET_ID for $PUBLIC_NETWORK_NAME"
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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# Configure router for IPv4 public access
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_neutron_configure_router_v4
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fi
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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# Configure router for IPv6 public access
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_neutron_configure_router_v6
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fi
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fi
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}
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# Create private IPv4 subnet
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function _neutron_create_private_subnet_v4 {
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local project_id=$1
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local subnet_params="--tenant-id $project_id "
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subnet_params+="--ip_version 4 "
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subnet_params+="--gateway $NETWORK_GATEWAY "
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subnet_params+="--name $PRIVATE_SUBNET_NAME "
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subnet_params+="$NET_ID $FIXED_RANGE"
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local subnet_id
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subnet_id=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep ' id ' | get_field 2)
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die_if_not_set $LINENO subnet_id "Failure creating private IPv4 subnet for $project_id"
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echo $subnet_id
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}
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# Create private IPv6 subnet
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function _neutron_create_private_subnet_v6 {
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local project_id=$1
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die_if_not_set $LINENO IPV6_RA_MODE "IPV6 RA Mode not set"
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die_if_not_set $LINENO IPV6_ADDRESS_MODE "IPV6 Address Mode not set"
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local ipv6_modes="--ipv6-ra-mode $IPV6_RA_MODE --ipv6-address-mode $IPV6_ADDRESS_MODE"
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local subnet_params="--tenant-id $project_id "
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subnet_params+="--ip_version 6 "
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subnet_params+="--gateway $IPV6_PRIVATE_NETWORK_GATEWAY "
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subnet_params+="--name $IPV6_PRIVATE_SUBNET_NAME "
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subnet_params+="$NET_ID $FIXED_RANGE_V6 $ipv6_modes"
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local ipv6_subnet_id
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ipv6_subnet_id=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep ' id ' | get_field 2)
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die_if_not_set $LINENO ipv6_subnet_id "Failure creating private IPv6 subnet for $project_id"
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echo $ipv6_subnet_id
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}
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# Create public IPv4 subnet
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function _neutron_create_public_subnet_v4 {
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local subnet_params+="--ip_version 4 "
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subnet_params+="${Q_FLOATING_ALLOCATION_POOL:+--allocation-pool $Q_FLOATING_ALLOCATION_POOL} "
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subnet_params+="--gateway $PUBLIC_NETWORK_GATEWAY "
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subnet_params+="--name $PUBLIC_SUBNET_NAME "
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subnet_params+="$EXT_NET_ID $FLOATING_RANGE "
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subnet_params+="-- --enable_dhcp=False"
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local id_and_ext_gw_ip
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id_and_ext_gw_ip=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep -e 'gateway_ip' -e ' id ')
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die_if_not_set $LINENO id_and_ext_gw_ip "Failure creating public IPv4 subnet"
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echo $id_and_ext_gw_ip
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}
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# Create public IPv6 subnet
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function _neutron_create_public_subnet_v6 {
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local subnet_params="--ip_version 6 "
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subnet_params+="--gateway $IPV6_PUBLIC_NETWORK_GATEWAY "
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subnet_params+="--name $IPV6_PUBLIC_SUBNET_NAME "
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subnet_params+="$EXT_NET_ID $IPV6_PUBLIC_RANGE "
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subnet_params+="-- --enable_dhcp=False"
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local ipv6_id_and_ext_gw_ip
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ipv6_id_and_ext_gw_ip=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep -e 'gateway_ip' -e ' id ')
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die_if_not_set $LINENO ipv6_id_and_ext_gw_ip "Failure creating an IPv6 public subnet"
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echo $ipv6_id_and_ext_gw_ip
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}
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# Configure neutron router for IPv4 public access
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function _neutron_configure_router_v4 {
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neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-interface-add $ROUTER_ID $SUBNET_ID
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# Create a public subnet on the external network
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local id_and_ext_gw_ip
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id_and_ext_gw_ip=$(_neutron_create_public_subnet_v4 $EXT_NET_ID)
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local ext_gw_ip
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ext_gw_ip=$(echo $id_and_ext_gw_ip | get_field 2)
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PUB_SUBNET_ID=$(echo $id_and_ext_gw_ip | get_field 5)
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# Configure the external network as the default router gateway
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neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-gateway-set $ROUTER_ID $EXT_NET_ID
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# This logic is specific to using the l3-agent for layer 3
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if is_service_enabled q-l3; then
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# Configure and enable public bridge
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local ext_gw_interface="none"
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if is_neutron_ovs_base_plugin; then
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ext_gw_interface=$(_neutron_get_ext_gw_interface)
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elif [[ "$Q_AGENT" = "linuxbridge" ]]; then
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# Search for the brq device the neutron router and network for $FIXED_RANGE
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# will be using.
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# e.x. brq3592e767-da for NET_ID 3592e767-da66-4bcb-9bec-cdb03cd96102
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ext_gw_interface=brq${EXT_NET_ID:0:11}
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fi
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if [[ "$ext_gw_interface" != "none" ]]; then
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local cidr_len=${FLOATING_RANGE#*/}
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local testcmd="ip -o link | grep -q $ext_gw_interface"
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test_with_retry "$testcmd" "$ext_gw_interface creation failed"
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if [[ $(ip addr show dev $ext_gw_interface | grep -c $ext_gw_ip) == 0 && ( $Q_USE_PROVIDERNET_FOR_PUBLIC == "False" || $Q_USE_PUBLIC_VETH == "True" ) ]]; then
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sudo ip addr add $ext_gw_ip/$cidr_len dev $ext_gw_interface
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sudo ip link set $ext_gw_interface up
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fi
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ROUTER_GW_IP=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" port-list -c fixed_ips -c device_owner | grep router_gateway | awk -F'ip_address' '{ print $2 }' | cut -f3 -d\" | tr '\n' ' ')
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die_if_not_set $LINENO ROUTER_GW_IP "Failure retrieving ROUTER_GW_IP"
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sudo ip route replace $FIXED_RANGE via $ROUTER_GW_IP
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fi
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_neutron_set_router_id
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fi
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}
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# Configure neutron router for IPv6 public access
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function _neutron_configure_router_v6 {
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neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-interface-add $ROUTER_ID $IPV6_SUBNET_ID
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# Create a public subnet on the external network
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local ipv6_id_and_ext_gw_ip
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ipv6_id_and_ext_gw_ip=$(_neutron_create_public_subnet_v6 $EXT_NET_ID)
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local ipv6_ext_gw_ip
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ipv6_ext_gw_ip=$(echo $ipv6_id_and_ext_gw_ip | get_field 2)
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local ipv6_pub_subnet_id
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ipv6_pub_subnet_id=$(echo $ipv6_id_and_ext_gw_ip | get_field 5)
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|
|
|
# If the external network has not already been set as the default router
|
|
# gateway when configuring an IPv4 public subnet, do so now
|
|
if [[ "$IP_VERSION" == "6" ]]; then
|
|
neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-gateway-set $ROUTER_ID $EXT_NET_ID
|
|
fi
|
|
|
|
# This logic is specific to using the l3-agent for layer 3
|
|
if is_service_enabled q-l3; then
|
|
# Ensure IPv6 forwarding is enabled on the host
|
|
sudo sysctl -w net.ipv6.conf.all.forwarding=1
|
|
# Configure and enable public bridge
|
|
# Override global IPV6_ROUTER_GW_IP with the true value from neutron
|
|
IPV6_ROUTER_GW_IP=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" port-list -c fixed_ips | grep $ipv6_pub_subnet_id | awk -F'ip_address' '{ print $2 }' | cut -f3 -d\" | tr '\n' ' ')
|
|
die_if_not_set $LINENO IPV6_ROUTER_GW_IP "Failure retrieving IPV6_ROUTER_GW_IP"
|
|
|
|
if is_neutron_ovs_base_plugin; then
|
|
local ext_gw_interface
|
|
ext_gw_interface=$(_neutron_get_ext_gw_interface)
|
|
local ipv6_cidr_len=${IPV6_PUBLIC_RANGE#*/}
|
|
|
|
# Configure interface for public bridge
|
|
sudo ip -6 addr add $ipv6_ext_gw_ip/$ipv6_cidr_len dev $ext_gw_interface
|
|
sudo ip -6 route replace $FIXED_RANGE_V6 via $IPV6_ROUTER_GW_IP dev $ext_gw_interface
|
|
fi
|
|
_neutron_set_router_id
|
|
fi
|
|
}
|
|
|
|
function is_provider_network {
|
|
if [ "$Q_USE_PROVIDER_NETWORKING" == "True" ]; then
|
|
return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
function is_networking_extension_supported {
|
|
local extension=$1
|
|
# TODO(sc68cal) cache this instead of calling every time
|
|
EXT_LIST=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" ext-list -c alias -f value)
|
|
[[ $EXT_LIST =~ $extension ]] && return 0
|
|
}
|