Merge "Add IPv6 support for tenant data network"
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Gerrit Code Review
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b103e1abd8
@ -365,6 +365,35 @@ API rate limits
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API_RATE_LIMIT=False
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API_RATE_LIMIT=False
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IP Version
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| Default: ``IP_VERSION=4``
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| This setting can be used to configure DevStack to create either an IPv4,
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IPv6, or dual stack tenant data network by setting ``IP_VERSION`` to
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either ``IP_VERSION=4``, ``IP_VERSION=6``, or ``IP_VERSION=4+6``
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respectively. This functionality requires that the Neutron networking
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service is enabled by setting the following options:
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::
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disable_service n-net
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enable_service q-svc q-agt q-dhcp q-l3
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| The following optional variables can be used to alter the default IPv6
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behavior:
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::
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IPV6_RA_MODE=slaac
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IPV6_ADDRESS_MODE=slaac
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FIXED_RANGE_V6=fd$IPV6_GLOBAL_ID::/64
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IPV6_PRIVATE_NETWORK_GATEWAY=fd$IPV6_GLOBAL_ID::1
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| *Note: ``FIXED_RANGE_V6`` and ``IPV6_PRIVATE_NETWORK_GATEWAY``
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can be configured with any valid IPv6 prefix. The default values make
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use of an auto-generated ``IPV6_GLOBAL_ID`` to comply with RFC 4193.*
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Examples
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Examples
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========
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========
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242
lib/neutron
242
lib/neutron
@ -51,10 +51,22 @@
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#
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#
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# With Neutron networking the NETWORK_MANAGER variable is ignored.
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# With Neutron networking the NETWORK_MANAGER variable is ignored.
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# Settings
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# --------
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# Timeout value in seconds to wait for IPv6 gateway configuration
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GATEWAY_TIMEOUT=30
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# Neutron Network Configuration
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# Neutron Network Configuration
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# -----------------------------
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# -----------------------------
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# Subnet IP version
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IP_VERSION=${IP_VERSION:-4}
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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 $LINENO "IP_VERSION must be either 4, 6, or 4+6"
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fi
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# Gateway and subnet defaults, in case they are not customized in localrc
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# Gateway and subnet defaults, in case they are not customized in localrc
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NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}
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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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PUBLIC_NETWORK_GATEWAY=${PUBLIC_NETWORK_GATEWAY:-172.24.4.1}
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@ -65,6 +77,22 @@ if is_ssl_enabled_service "neutron" || is_service_enabled tls-proxy; then
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Q_PROTOCOL="https"
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Q_PROTOCOL="https"
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fi
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fi
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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=${IPV6_PUBLIC_RANGE:-fe80:cafe:cafe::/64}
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IPV6_PUBLIC_NETWORK_GATEWAY=${IPV6_PUBLIC_NETWORK_GATEWAY:-fe80:cafe:cafe::2}
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# IPV6_ROUTER_GW_IP must be defined when IP_VERSION=4+6 as it cannot be
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# obtained conventionally until the l3-agent has support for dual-stack
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# TODO (john-davidge) Remove once l3-agent supports dual-stack
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IPV6_ROUTER_GW_IP=${IPV6_ROUTER_GW_IP:-fe80:cafe:cafe::1}
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# Set up default directories
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# Set up default directories
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GITDIR["python-neutronclient"]=$DEST/python-neutronclient
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GITDIR["python-neutronclient"]=$DEST/python-neutronclient
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@ -531,8 +559,16 @@ function create_neutron_initial_network {
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else
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else
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NET_ID=$(neutron net-create --tenant-id $TENANT_ID "$PRIVATE_NETWORK_NAME" | grep ' id ' | get_field 2)
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NET_ID=$(neutron net-create --tenant-id $TENANT_ID "$PRIVATE_NETWORK_NAME" | grep ' id ' | get_field 2)
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die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PHYSICAL_NETWORK $TENANT_ID"
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die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PHYSICAL_NETWORK $TENANT_ID"
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SUBNET_ID=$(neutron subnet-create --tenant-id $TENANT_ID --ip_version 4 --gateway $NETWORK_GATEWAY --name $PRIVATE_SUBNET_NAME $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 $TENANT_ID"
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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# Create IPv4 private subnet
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SUBNET_ID=$(_neutron_create_private_subnet_v4)
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fi
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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# Create IPv6 private subnet
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IPV6_SUBNET_ID=$(_neutron_create_private_subnet_v6)
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fi
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fi
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fi
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if [[ "$Q_L3_ENABLED" == "True" ]]; then
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if [[ "$Q_L3_ENABLED" == "True" ]]; then
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@ -546,7 +582,7 @@ function create_neutron_initial_network {
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ROUTER_ID=$(neutron router-create $Q_ROUTER_NAME | grep ' id ' | get_field 2)
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ROUTER_ID=$(neutron 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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die_if_not_set $LINENO ROUTER_ID "Failure creating ROUTER_ID for $Q_ROUTER_NAME"
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fi
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fi
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neutron router-interface-add $ROUTER_ID $SUBNET_ID
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# Create an external network, and a subnet. Configure the external network as router gw
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# Create an external network, and a subnet. Configure the external network as router gw
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if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" = "True" ]; then
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if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" = "True" ]; then
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EXT_NET_ID=$(neutron net-create "$PUBLIC_NETWORK_NAME" -- --router:external=True --provider:network_type=flat --provider:physical_network=${PUBLIC_PHYSICAL_NETWORK} | grep ' id ' | get_field 2)
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EXT_NET_ID=$(neutron net-create "$PUBLIC_NETWORK_NAME" -- --router:external=True --provider:network_type=flat --provider:physical_network=${PUBLIC_PHYSICAL_NETWORK} | grep ' id ' | get_field 2)
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@ -554,35 +590,15 @@ function create_neutron_initial_network {
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EXT_NET_ID=$(neutron net-create "$PUBLIC_NETWORK_NAME" -- --router:external=True | grep ' id ' | get_field 2)
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EXT_NET_ID=$(neutron net-create "$PUBLIC_NETWORK_NAME" -- --router:external=True | grep ' id ' | get_field 2)
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fi
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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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die_if_not_set $LINENO EXT_NET_ID "Failure creating EXT_NET_ID for $PUBLIC_NETWORK_NAME"
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EXT_GW_IP=$(neutron subnet-create --ip_version 4 ${Q_FLOATING_ALLOCATION_POOL:+--allocation-pool $Q_FLOATING_ALLOCATION_POOL} --gateway $PUBLIC_NETWORK_GATEWAY --name $PUBLIC_SUBNET_NAME $EXT_NET_ID $FLOATING_RANGE -- --enable_dhcp=False | grep 'gateway_ip' | get_field 2)
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die_if_not_set $LINENO EXT_GW_IP "Failure creating EXT_GW_IP"
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neutron router-gateway-set $ROUTER_ID $EXT_NET_ID
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if is_service_enabled q-l3; then
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if [[ "$IP_VERSION" =~ 4.* ]]; then
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# logic is specific to using the l3-agent for l3
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# Configure router for IPv4 public access
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if is_neutron_ovs_base_plugin && [[ "$Q_USE_NAMESPACE" = "True" ]]; then
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_neutron_configure_router_v4
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local ext_gw_interface
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fi
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if [[ "$Q_USE_PUBLIC_VETH" = "True" ]]; then
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if [[ "$IP_VERSION" =~ .*6 ]]; then
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ext_gw_interface=$Q_PUBLIC_VETH_EX
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# Configure router for IPv6 public access
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else
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_neutron_configure_router_v6
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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 $PUBLIC_BRIDGE \
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other_config:disable-in-band=true
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ext_gw_interface=$PUBLIC_BRIDGE
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fi
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CIDR_LEN=${FLOATING_RANGE#*/}
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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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ROUTER_GW_IP=`neutron port-list -c fixed_ips -c device_owner | grep router_gateway | awk -F '"' '{ print $8; }'`
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die_if_not_set $LINENO ROUTER_GW_IP "Failure retrieving ROUTER_GW_IP"
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sudo route add -net $FIXED_RANGE gw $ROUTER_GW_IP
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fi
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if [[ "$Q_USE_NAMESPACE" == "False" ]]; then
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# Explicitly set router id in l3 agent configuration
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iniset $Q_L3_CONF_FILE DEFAULT router_id $ROUTER_ID
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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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}
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}
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@ -1065,6 +1081,172 @@ function _neutron_setup_interface_driver {
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neutron_plugin_setup_interface_driver $1
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neutron_plugin_setup_interface_driver $1
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}
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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 subnet_params="--tenant-id $TENANT_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 $FIXED_RANGE"
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local subnet_id=$(neutron 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 $TENANT_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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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 $TENANT_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 $ipv6_modes"
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local ipv6_subnet_id=$(neutron 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 $TENANT_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 $FLOATING_RANGE "
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subnet_params+="-- --enable_dhcp=False"
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local id_and_ext_gw_ip=$(neutron 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 $IPV6_PUBLIC_RANGE "
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subnet_params+="-- --enable_dhcp=False"
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local ipv6_id_and_ext_gw_ip=$(neutron 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 router-interface-add $ROUTER_ID $SUBNET_ID
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# Create a public subnet on the external network
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local id_and_ext_gw_ip=$(_neutron_create_public_subnet_v4 $EXT_NET_ID)
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local ext_gw_ip=$(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 router-gateway-set $ROUTER_ID $EXT_NET_ID
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# This logic is specific to using the l3-agent for layer 3
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if is_service_enabled q-l3; then
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# Configure and enable public bridge
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if is_neutron_ovs_base_plugin && [[ "$Q_USE_NAMESPACE" = "True" ]]; then
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local ext_gw_interface=$(_neutron_get_ext_gw_interface)
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local cidr_len=${FLOATING_RANGE#*/}
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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 $ext_gw_interface up
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ROUTER_GW_IP=`neutron port-list -c fixed_ips -c device_owner | grep router_gateway | awk -F '"' -v subnet_id=$PUB_SUBNET_ID '$4 == subnet_id { print $8; }'`
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die_if_not_set $LINENO ROUTER_GW_IP "Failure retrieving ROUTER_GW_IP"
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sudo route add -net $FIXED_RANGE gw $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 router-interface-add $ROUTER_ID $IPV6_SUBNET_ID
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# Create a public subnet on the external network
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local ipv6_id_and_ext_gw_ip=$(_neutron_create_public_subnet_v6 $EXT_NET_ID)
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local ipv6_ext_gw_ip=$(echo $ipv6_id_and_ext_gw_ip | get_field 2)
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local ipv6_pub_subnet_id=$(echo $ipv6_id_and_ext_gw_ip | get_field 5)
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# If the external network has not already been set as the default router
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# gateway when configuring an IPv4 public subnet, do so now
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if [[ "$IP_VERSION" == "6" ]]; then
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neutron router-gateway-set $ROUTER_ID $EXT_NET_ID
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fi
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# This logic is specific to using the l3-agent for layer 3
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if is_service_enabled q-l3; then
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local ipv6_router_gw_port
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# Ensure IPv6 forwarding is enabled on the host
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sudo sysctl -w net.ipv6.conf.all.forwarding=1
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# Configure and enable public bridge
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if [[ "$IP_VERSION" = "6" ]]; then
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# Override global IPV6_ROUTER_GW_IP with the true value from neutron
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IPV6_ROUTER_GW_IP=`neutron port-list -c fixed_ips -c device_owner | grep router_gateway | awk -F '"' -v subnet_id=$ipv6_pub_subnet_id '$4 == subnet_id { print $8; }'`
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die_if_not_set $LINENO IPV6_ROUTER_GW_IP "Failure retrieving IPV6_ROUTER_GW_IP"
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ipv6_router_gw_port=`neutron port-list -c id -c fixed_ips -c device_owner | grep router_gateway | awk -F '"' -v subnet_id=$ipv6_pub_subnet_id '$4 == subnet_id { print $1; }' | awk -F ' | ' '{ print $2; }'`
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die_if_not_set $LINENO ipv6_router_gw_port "Failure retrieving ipv6_router_gw_port"
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else
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ipv6_router_gw_port=`neutron port-list -c id -c fixed_ips -c device_owner | grep router_gateway | awk -F '"' -v subnet_id=$PUB_SUBNET_ID '$4 == subnet_id { print $1; }' | awk -F ' | ' '{ print $2; }'`
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die_if_not_set $LINENO ipv6_router_gw_port "Failure retrieving ipv6_router_gw_port"
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fi
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# The ovs_base_configure_l3_agent function flushes the public
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# bridge's ip addresses, so turn IPv6 support in the host off
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# and then on to recover the public bridge's link local address
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||||||
|
sudo sysctl -w net.ipv6.conf.${PUBLIC_BRIDGE}.disable_ipv6=1
|
||||||
|
sudo sysctl -w net.ipv6.conf.${PUBLIC_BRIDGE}.disable_ipv6=0
|
||||||
|
if is_neutron_ovs_base_plugin && [[ "$Q_USE_NAMESPACE" = "True" ]]; then
|
||||||
|
local ext_gw_interface=$(_neutron_get_ext_gw_interface)
|
||||||
|
local ipv6_cidr_len=${IPV6_PUBLIC_RANGE#*/}
|
||||||
|
|
||||||
|
# Define router_ns based on whether DVR is enabled
|
||||||
|
local router_ns=qrouter
|
||||||
|
if [[ "$Q_DVR_MODE" == "dvr_snat" ]]; then
|
||||||
|
router_ns=snat
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Configure interface for public bridge
|
||||||
|
sudo ip -6 addr add $ipv6_ext_gw_ip/$ipv6_cidr_len dev $ext_gw_interface
|
||||||
|
|
||||||
|
# Wait until layer 3 agent has configured the gateway port on
|
||||||
|
# the public bridge, then add gateway address to the interface
|
||||||
|
# TODO (john-davidge) Remove once l3-agent supports dual-stack
|
||||||
|
if [[ "$IP_VERSION" == "4+6" ]]; then
|
||||||
|
if ! timeout $GATEWAY_TIMEOUT sh -c "until sudo ip netns exec $router_ns-$ROUTER_ID ip addr show qg-${ipv6_router_gw_port:0:11} | grep $ROUTER_GW_IP; do sleep 1; done"; then
|
||||||
|
die $LINENO "Timeout retrieving ROUTER_GW_IP"
|
||||||
|
fi
|
||||||
|
# Configure the gateway port with the public IPv6 adress
|
||||||
|
sudo ip netns exec $router_ns-$ROUTER_ID ip -6 addr add $IPV6_ROUTER_GW_IP/$ipv6_cidr_len dev qg-${ipv6_router_gw_port:0:11}
|
||||||
|
# Add a default IPv6 route to the neutron router as the
|
||||||
|
# l3-agent does not add one in the dual-stack case
|
||||||
|
sudo ip netns exec $router_ns-$ROUTER_ID ip -6 route replace default via $ipv6_ext_gw_ip dev qg-${ipv6_router_gw_port:0:11}
|
||||||
|
fi
|
||||||
|
sudo ip -6 route add $FIXED_RANGE_V6 via $IPV6_ROUTER_GW_IP dev $ext_gw_interface
|
||||||
|
fi
|
||||||
|
_neutron_set_router_id
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
# Explicitly set router id in l3 agent configuration
|
||||||
|
function _neutron_set_router_id {
|
||||||
|
if [[ "$Q_USE_NAMESPACE" == "False" ]]; then
|
||||||
|
iniset $Q_L3_CONF_FILE DEFAULT router_id $ROUTER_ID
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
# Get ext_gw_interface depending on value of Q_USE_PUBLIC_VETH
|
||||||
|
function _neutron_get_ext_gw_interface {
|
||||||
|
if [[ "$Q_USE_PUBLIC_VETH" == "True" ]]; then
|
||||||
|
echo $Q_PUBLIC_VETH_EX
|
||||||
|
else
|
||||||
|
# Disable in-band as we are going to use local port
|
||||||
|
# to communicate with VMs
|
||||||
|
sudo ovs-vsctl set Bridge $PUBLIC_BRIDGE \
|
||||||
|
other_config:disable-in-band=true
|
||||||
|
echo $PUBLIC_BRIDGE
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
# Functions for Neutron Exercises
|
# Functions for Neutron Exercises
|
||||||
#--------------------------------
|
#--------------------------------
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user