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Sean M. Collins2a242512016-05-03 09:03:09 -04001#!/bin/bash
2# Subnet IP version
3IP_VERSION=${IP_VERSION:-"4+6"}
4# Validate IP_VERSION
5if [[ $IP_VERSION != "4" ]] && [[ $IP_VERSION != "6" ]] && [[ $IP_VERSION != "4+6" ]]; then
6 die $LINENO "IP_VERSION must be either 4, 6, or 4+6"
7fi
8# Specify if the initial private and external networks should be created
9NEUTRON_CREATE_INITIAL_NETWORKS=${NEUTRON_CREATE_INITIAL_NETWORKS:-True}
10
11## Provider Network Information
12PROVIDER_SUBNET_NAME=${PROVIDER_SUBNET_NAME:-"provider_net"}
13IPV6_PROVIDER_SUBNET_NAME=${IPV6_PROVIDER_SUBNET_NAME:-"provider_net_v6"}
14IPV6_PROVIDER_FIXED_RANGE=${IPV6_PROVIDER_FIXED_RANGE:-}
15IPV6_PROVIDER_NETWORK_GATEWAY=${IPV6_PROVIDER_NETWORK_GATEWAY:-}
16
17PUBLIC_BRIDGE=${PUBLIC_BRIDGE:-br-ex}
Ihar Hrachyshka7b5c7dc2016-07-15 20:17:13 +020018PUBLIC_BRIDGE_MTU=${PUBLIC_BRIDGE_MTU:-1500}
Sean M. Collins2a242512016-05-03 09:03:09 -040019
20# If Q_USE_PUBLIC_VETH=True, create and use a veth pair instead of
21# PUBLIC_BRIDGE. This is intended to be used with
22# Q_USE_PROVIDERNET_FOR_PUBLIC=True.
23Q_USE_PUBLIC_VETH=${Q_USE_PUBLIC_VETH:-False}
24Q_PUBLIC_VETH_EX=${Q_PUBLIC_VETH_EX:-veth-pub-ex}
25Q_PUBLIC_VETH_INT=${Q_PUBLIC_VETH_INT:-veth-pub-int}
26
vsaienkod8942212016-05-13 12:51:30 +030027# The next variable is configured by plugin
Sean M. Collins2a242512016-05-03 09:03:09 -040028# e.g. _configure_neutron_l3_agent or lib/neutron_plugins/*
29#
Sean M. Collins2a242512016-05-03 09:03:09 -040030# L3 routers exist per tenant
31Q_L3_ROUTER_PER_TENANT=${Q_L3_ROUTER_PER_TENANT:-True}
32
33
34# Use flat providernet for public network
35#
36# If Q_USE_PROVIDERNET_FOR_PUBLIC=True, use a flat provider network
37# for external interface of neutron l3-agent. In that case,
38# PUBLIC_PHYSICAL_NETWORK specifies provider:physical_network value
39# used for the network. In case of ofagent, you should add the
40# corresponding entry to your OFAGENT_PHYSICAL_INTERFACE_MAPPINGS.
41# For openvswitch agent, you should add the corresponding entry to
42# your OVS_BRIDGE_MAPPINGS.
43#
44# eg. (ofagent)
45# Q_USE_PROVIDERNET_FOR_PUBLIC=True
46# Q_USE_PUBLIC_VETH=True
47# PUBLIC_PHYSICAL_NETWORK=public
48# OFAGENT_PHYSICAL_INTERFACE_MAPPINGS=public:veth-pub-int
49#
50# eg. (openvswitch agent)
51# Q_USE_PROVIDERNET_FOR_PUBLIC=True
52# PUBLIC_PHYSICAL_NETWORK=public
53# OVS_BRIDGE_MAPPINGS=public:br-ex
Kevin Benton7da968a2016-07-22 06:02:22 +000054Q_USE_PROVIDERNET_FOR_PUBLIC=${Q_USE_PROVIDERNET_FOR_PUBLIC:-False}
Sean M. Collins2a242512016-05-03 09:03:09 -040055PUBLIC_PHYSICAL_NETWORK=${PUBLIC_PHYSICAL_NETWORK:-public}
56
57# Generate 40-bit IPv6 Global ID to comply with RFC 4193
58IPV6_GLOBAL_ID=`uuidgen | sed s/-//g | cut -c 23- | sed -e "s/\(..\)\(....\)\(....\)/\1:\2:\3/"`
59
60# IPv6 gateway and subnet defaults, in case they are not customized in localrc
61IPV6_RA_MODE=${IPV6_RA_MODE:-slaac}
62IPV6_ADDRESS_MODE=${IPV6_ADDRESS_MODE:-slaac}
63IPV6_PUBLIC_SUBNET_NAME=${IPV6_PUBLIC_SUBNET_NAME:-ipv6-public-subnet}
64IPV6_PRIVATE_SUBNET_NAME=${IPV6_PRIVATE_SUBNET_NAME:-ipv6-private-subnet}
65FIXED_RANGE_V6=${FIXED_RANGE_V6:-fd$IPV6_GLOBAL_ID::/64}
66IPV6_PRIVATE_NETWORK_GATEWAY=${IPV6_PRIVATE_NETWORK_GATEWAY:-fd$IPV6_GLOBAL_ID::1}
67IPV6_PUBLIC_RANGE=${IPV6_PUBLIC_RANGE:-2001:db8::/64}
68IPV6_PUBLIC_NETWORK_GATEWAY=${IPV6_PUBLIC_NETWORK_GATEWAY:-2001:db8::2}
69IPV6_ROUTER_GW_IP=${IPV6_ROUTER_GW_IP:-2001:db8::1}
70
71# Gateway and subnet defaults, in case they are not customized in localrc
72NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}
73PUBLIC_NETWORK_GATEWAY=${PUBLIC_NETWORK_GATEWAY:-172.24.4.1}
74PRIVATE_SUBNET_NAME=${PRIVATE_SUBNET_NAME:-"private-subnet"}
75PUBLIC_SUBNET_NAME=${PUBLIC_SUBNET_NAME:-"public-subnet"}
76
77# Subnetpool defaults
78SUBNETPOOL_NAME=${SUBNETPOOL_NAME:-"shared-default-subnetpool"}
79
80SUBNETPOOL_PREFIX_V4=${SUBNETPOOL_PREFIX_V4:-10.0.0.0/8}
81SUBNETPOOL_PREFIX_V6=${SUBNETPOOL_PREFIX_V6:-2001:db8:8000::/48}
82
83SUBNETPOOL_SIZE_V4=${SUBNETPOOL_SIZE_V4:-24}
84SUBNETPOOL_SIZE_V6=${SUBNETPOOL_SIZE_V6:-64}
85
Monty Taylorc12d1d92016-08-23 19:07:57 -050086default_route_dev=$(ip route | grep ^default | awk '{print $5}')
87die_if_not_set $LINENO default_route_dev "Failure retrieving default route device"
88
Sean M. Collins2a242512016-05-03 09:03:09 -040089function _determine_config_l3 {
Angus Leesa1c70f22016-05-31 14:43:14 +100090 local opts="--config-file $NEUTRON_CONF --config-file $Q_L3_CONF_FILE"
Sean M. Collins2a242512016-05-03 09:03:09 -040091 echo "$opts"
92}
93
94function _configure_neutron_l3_agent {
Sean M. Collins2a242512016-05-03 09:03:09 -040095
96 cp $NEUTRON_DIR/etc/l3_agent.ini.sample $Q_L3_CONF_FILE
97
Sean M. Collins2a242512016-05-03 09:03:09 -040098 iniset $Q_L3_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
Sean M. Collinsa2ed0552016-05-11 15:35:10 -040099 iniset $Q_L3_CONF_FILE AGENT root_helper "$Q_RR_COMMAND"
Sean M. Collins2a242512016-05-03 09:03:09 -0400100 if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
Sean M. Collinsa2ed0552016-05-11 15:35:10 -0400101 iniset $Q_L3_CONF_FILE AGENT root_helper_daemon "$Q_RR_DAEMON_COMMAND"
Sean M. Collins2a242512016-05-03 09:03:09 -0400102 fi
103
104 _neutron_setup_interface_driver $Q_L3_CONF_FILE
105
Stephen Finucane24e29f22016-06-15 14:31:51 +0100106 neutron_plugin_configure_l3_agent $Q_L3_CONF_FILE
Sean M. Collins2a242512016-05-03 09:03:09 -0400107
Sean Dague6a008fa2016-08-03 15:09:01 -0400108 # If we've given a PUBLIC_INTERFACE to take over, then we assume
109 # that we can own the whole thing, and privot it into the OVS
110 # bridge. If we are not, we're probably on a single interface
111 # machine, and we just setup NAT so that fixed guests can get out.
112 if [[ -n "$PUBLIC_INTERFACE" ]]; then
113 _move_neutron_addresses_route "$PUBLIC_INTERFACE" "$OVS_PHYSICAL_BRIDGE" True False "inet"
Sean M. Collins2a242512016-05-03 09:03:09 -0400114
Sean Dague6a008fa2016-08-03 15:09:01 -0400115 if [[ $(ip -f inet6 a s dev "$PUBLIC_INTERFACE" | grep -c 'global') != 0 ]]; then
116 _move_neutron_addresses_route "$PUBLIC_INTERFACE" "$OVS_PHYSICAL_BRIDGE" False False "inet6"
117 fi
118 else
Monty Taylorc12d1d92016-08-23 19:07:57 -0500119 sudo iptables -t nat -A POSTROUTING -o $default_route_dev -s $FLOATING_RANGE -j MASQUERADE
Sean M. Collins2a242512016-05-03 09:03:09 -0400120 fi
121}
122
123# Explicitly set router id in l3 agent configuration
124function _neutron_set_router_id {
125 if [[ "$Q_L3_ROUTER_PER_TENANT" == "False" ]]; then
126 iniset $Q_L3_CONF_FILE DEFAULT router_id $ROUTER_ID
127 fi
128}
129
130# Get ext_gw_interface depending on value of Q_USE_PUBLIC_VETH
131function _neutron_get_ext_gw_interface {
132 if [[ "$Q_USE_PUBLIC_VETH" == "True" ]]; then
133 echo $Q_PUBLIC_VETH_EX
134 else
135 # Disable in-band as we are going to use local port
136 # to communicate with VMs
137 sudo ovs-vsctl set Bridge $PUBLIC_BRIDGE \
138 other_config:disable-in-band=true
139 echo $PUBLIC_BRIDGE
140 fi
141}
142
143function create_neutron_initial_network {
144 local project_id
145 project_id=$(openstack project list | grep " demo " | get_field 1)
146 die_if_not_set $LINENO project_id "Failure retrieving project_id for demo"
147
148 # Allow drivers that need to create an initial network to do so here
149 if type -p neutron_plugin_create_initial_network_profile > /dev/null; then
150 neutron_plugin_create_initial_network_profile $PHYSICAL_NETWORK
151 fi
152
153 if is_provider_network; then
154 die_if_not_set $LINENO PHYSICAL_NETWORK "You must specify the PHYSICAL_NETWORK"
155 die_if_not_set $LINENO PROVIDER_NETWORK_TYPE "You must specify the PROVIDER_NETWORK_TYPE"
156 NET_ID=$(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)
157 die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PHYSICAL_NETWORK $project_id"
158
159 if [[ "$IP_VERSION" =~ 4.* ]]; then
160 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)
161 die_if_not_set $LINENO SUBNET_ID "Failure creating SUBNET_ID for $PROVIDER_SUBNET_NAME $project_id"
162 fi
163
Sean M. Collinse34ec992016-06-07 12:36:50 -0400164 if [[ "$IP_VERSION" =~ .*6 ]]; then
165 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"
166 die_if_not_set $LINENO IPV6_PROVIDER_NETWORK_GATEWAY "IPV6_PROVIDER_NETWORK_GATEWAY has not been set, but Q_USE_PROVIDERNET_FOR_PUBLIC is true and IP_VERSION includes 6"
Sean M. Collins2a242512016-05-03 09:03:09 -0400167 SUBNET_V6_ID=$(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)
168 die_if_not_set $LINENO SUBNET_V6_ID "Failure creating SUBNET_V6_ID for $IPV6_PROVIDER_SUBNET_NAME $project_id"
169 fi
170
171 if [[ $Q_AGENT == "openvswitch" ]]; then
172 sudo ip link set $OVS_PHYSICAL_BRIDGE up
173 sudo ip link set br-int up
174 sudo ip link set $PUBLIC_INTERFACE up
175 fi
176 else
177 NET_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" net-create --tenant-id $project_id "$PRIVATE_NETWORK_NAME" | grep ' id ' | get_field 2)
178 die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PRIVATE_NETWORK_NAME $project_id"
179
180 if [[ "$IP_VERSION" =~ 4.* ]]; then
181 # Create IPv4 private subnet
182 SUBNET_ID=$(_neutron_create_private_subnet_v4 $project_id)
183 fi
184
185 if [[ "$IP_VERSION" =~ .*6 ]]; then
186 # Create IPv6 private subnet
187 IPV6_SUBNET_ID=$(_neutron_create_private_subnet_v6 $project_id)
188 fi
189 fi
190
Sean M. Collinsc35110e2016-05-18 10:38:51 -0400191 if is_networking_extension_supported "router" && is_networking_extension_supported "external-net"; then
Sean M. Collins2a242512016-05-03 09:03:09 -0400192 # Create a router, and add the private subnet as one of its interfaces
193 if [[ "$Q_L3_ROUTER_PER_TENANT" == "True" ]]; then
194 # create a tenant-owned router.
195 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)
196 die_if_not_set $LINENO ROUTER_ID "Failure creating ROUTER_ID for $project_id $Q_ROUTER_NAME"
197 else
198 # Plugin only supports creating a single router, which should be admin owned.
199 ROUTER_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-create $Q_ROUTER_NAME | grep ' id ' | get_field 2)
200 die_if_not_set $LINENO ROUTER_ID "Failure creating ROUTER_ID for $Q_ROUTER_NAME"
201 fi
202
Sean M. Collins2a242512016-05-03 09:03:09 -0400203 EXTERNAL_NETWORK_FLAGS="--router:external"
Sean M. Collinsc35110e2016-05-18 10:38:51 -0400204 if is_networking_extension_supported "auto-allocated-topology" && is_networking_extension_supported "subnet_allocation"; then
Sean M. Collins2a242512016-05-03 09:03:09 -0400205 EXTERNAL_NETWORK_FLAGS="$EXTERNAL_NETWORK_FLAGS --is-default"
206 if [[ "$IP_VERSION" =~ 4.* ]]; then
207 SUBNETPOOL_V4_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnetpool-create $SUBNETPOOL_NAME --default-prefixlen $SUBNETPOOL_SIZE_V4 --pool-prefix $SUBNETPOOL_PREFIX_V4 --shared --is-default=True | grep ' id ' | get_field 2)
208 fi
209 if [[ "$IP_VERSION" =~ .*6 ]]; then
210 SUBNETPOOL_V6_ID=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnetpool-create $SUBNETPOOL_NAME --default-prefixlen $SUBNETPOOL_SIZE_V6 --pool-prefix $SUBNETPOOL_PREFIX_V6 --shared --is-default=True | grep ' id ' | get_field 2)
211 fi
212 fi
213 # Create an external network, and a subnet. Configure the external network as router gw
214 if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" = "True" ]; then
215 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)
216 else
217 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)
218 fi
219 die_if_not_set $LINENO EXT_NET_ID "Failure creating EXT_NET_ID for $PUBLIC_NETWORK_NAME"
220
221 if [[ "$IP_VERSION" =~ 4.* ]]; then
222 # Configure router for IPv4 public access
223 _neutron_configure_router_v4
224 fi
225
226 if [[ "$IP_VERSION" =~ .*6 ]]; then
227 # Configure router for IPv6 public access
228 _neutron_configure_router_v6
229 fi
230 fi
231}
232
233# Create private IPv4 subnet
234function _neutron_create_private_subnet_v4 {
235 local project_id=$1
236 local subnet_params="--tenant-id $project_id "
237 subnet_params+="--ip_version 4 "
238 subnet_params+="--gateway $NETWORK_GATEWAY "
239 subnet_params+="--name $PRIVATE_SUBNET_NAME "
240 subnet_params+="$NET_ID $FIXED_RANGE"
241 local subnet_id
242 subnet_id=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep ' id ' | get_field 2)
243 die_if_not_set $LINENO subnet_id "Failure creating private IPv4 subnet for $project_id"
244 echo $subnet_id
245}
246
247# Create private IPv6 subnet
248function _neutron_create_private_subnet_v6 {
249 local project_id=$1
250 die_if_not_set $LINENO IPV6_RA_MODE "IPV6 RA Mode not set"
251 die_if_not_set $LINENO IPV6_ADDRESS_MODE "IPV6 Address Mode not set"
252 local ipv6_modes="--ipv6-ra-mode $IPV6_RA_MODE --ipv6-address-mode $IPV6_ADDRESS_MODE"
253 local subnet_params="--tenant-id $project_id "
254 subnet_params+="--ip_version 6 "
255 subnet_params+="--gateway $IPV6_PRIVATE_NETWORK_GATEWAY "
256 subnet_params+="--name $IPV6_PRIVATE_SUBNET_NAME "
257 subnet_params+="$NET_ID $FIXED_RANGE_V6 $ipv6_modes"
258 local ipv6_subnet_id
259 ipv6_subnet_id=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep ' id ' | get_field 2)
260 die_if_not_set $LINENO ipv6_subnet_id "Failure creating private IPv6 subnet for $project_id"
261 echo $ipv6_subnet_id
262}
263
264# Create public IPv4 subnet
265function _neutron_create_public_subnet_v4 {
266 local subnet_params+="--ip_version 4 "
267 subnet_params+="${Q_FLOATING_ALLOCATION_POOL:+--allocation-pool $Q_FLOATING_ALLOCATION_POOL} "
268 subnet_params+="--gateway $PUBLIC_NETWORK_GATEWAY "
269 subnet_params+="--name $PUBLIC_SUBNET_NAME "
270 subnet_params+="$EXT_NET_ID $FLOATING_RANGE "
271 subnet_params+="-- --enable_dhcp=False"
272 local id_and_ext_gw_ip
273 id_and_ext_gw_ip=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep -e 'gateway_ip' -e ' id ')
274 die_if_not_set $LINENO id_and_ext_gw_ip "Failure creating public IPv4 subnet"
275 echo $id_and_ext_gw_ip
276}
277
278# Create public IPv6 subnet
279function _neutron_create_public_subnet_v6 {
280 local subnet_params="--ip_version 6 "
281 subnet_params+="--gateway $IPV6_PUBLIC_NETWORK_GATEWAY "
282 subnet_params+="--name $IPV6_PUBLIC_SUBNET_NAME "
283 subnet_params+="$EXT_NET_ID $IPV6_PUBLIC_RANGE "
284 subnet_params+="-- --enable_dhcp=False"
285 local ipv6_id_and_ext_gw_ip
286 ipv6_id_and_ext_gw_ip=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" subnet-create $subnet_params | grep -e 'gateway_ip' -e ' id ')
287 die_if_not_set $LINENO ipv6_id_and_ext_gw_ip "Failure creating an IPv6 public subnet"
288 echo $ipv6_id_and_ext_gw_ip
289}
290
291# Configure neutron router for IPv4 public access
292function _neutron_configure_router_v4 {
293 neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-interface-add $ROUTER_ID $SUBNET_ID
294 # Create a public subnet on the external network
295 local id_and_ext_gw_ip
296 id_and_ext_gw_ip=$(_neutron_create_public_subnet_v4 $EXT_NET_ID)
297 local ext_gw_ip
298 ext_gw_ip=$(echo $id_and_ext_gw_ip | get_field 2)
299 PUB_SUBNET_ID=$(echo $id_and_ext_gw_ip | get_field 5)
300 # Configure the external network as the default router gateway
301 neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-gateway-set $ROUTER_ID $EXT_NET_ID
302
303 # This logic is specific to using the l3-agent for layer 3
Sean M. Collinsd00cbb72016-06-20 13:53:44 -0400304 if is_service_enabled q-l3 || is_service_enabled neutron-l3; then
Sean M. Collins2a242512016-05-03 09:03:09 -0400305 # Configure and enable public bridge
306 local ext_gw_interface="none"
307 if is_neutron_ovs_base_plugin; then
308 ext_gw_interface=$(_neutron_get_ext_gw_interface)
309 elif [[ "$Q_AGENT" = "linuxbridge" ]]; then
Kevin Benton6a42a852016-07-21 11:11:54 -0700310 # Get the device the neutron router and network for $FIXED_RANGE
Sean M. Collins2a242512016-05-03 09:03:09 -0400311 # will be using.
Kevin Benton6a42a852016-07-21 11:11:54 -0700312 if [ "$Q_USE_PROVIDERNET_FOR_PUBLIC" = "True" ]; then
313 # in provider nets a bridge mapping uses the public bridge directly
314 ext_gw_interface=$PUBLIC_BRIDGE
315 else
316 # e.x. brq3592e767-da for NET_ID 3592e767-da66-4bcb-9bec-cdb03cd96102
317 ext_gw_interface=brq${EXT_NET_ID:0:11}
318 fi
Sean M. Collins2a242512016-05-03 09:03:09 -0400319 fi
320 if [[ "$ext_gw_interface" != "none" ]]; then
321 local cidr_len=${FLOATING_RANGE#*/}
322 local testcmd="ip -o link | grep -q $ext_gw_interface"
323 test_with_retry "$testcmd" "$ext_gw_interface creation failed"
Kevin Benton7da968a2016-07-22 06:02:22 +0000324 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
Sean M. Collins2a242512016-05-03 09:03:09 -0400325 sudo ip addr add $ext_gw_ip/$cidr_len dev $ext_gw_interface
326 sudo ip link set $ext_gw_interface up
327 fi
328 ROUTER_GW_IP=$(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' ' ')
329 die_if_not_set $LINENO ROUTER_GW_IP "Failure retrieving ROUTER_GW_IP"
330 sudo ip route replace $FIXED_RANGE via $ROUTER_GW_IP
331 fi
332 _neutron_set_router_id
333 fi
334}
335
336# Configure neutron router for IPv6 public access
337function _neutron_configure_router_v6 {
338 neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-interface-add $ROUTER_ID $IPV6_SUBNET_ID
339 # Create a public subnet on the external network
340 local ipv6_id_and_ext_gw_ip
341 ipv6_id_and_ext_gw_ip=$(_neutron_create_public_subnet_v6 $EXT_NET_ID)
342 local ipv6_ext_gw_ip
343 ipv6_ext_gw_ip=$(echo $ipv6_id_and_ext_gw_ip | get_field 2)
344 local ipv6_pub_subnet_id
345 ipv6_pub_subnet_id=$(echo $ipv6_id_and_ext_gw_ip | get_field 5)
346
347 # If the external network has not already been set as the default router
348 # gateway when configuring an IPv4 public subnet, do so now
349 if [[ "$IP_VERSION" == "6" ]]; then
350 neutron --os-cloud devstack-admin --os-region "$REGION_NAME" router-gateway-set $ROUTER_ID $EXT_NET_ID
351 fi
352
353 # This logic is specific to using the l3-agent for layer 3
Sean M. Collinsd00cbb72016-06-20 13:53:44 -0400354 if is_service_enabled q-l3 || is_service_enabled neutron-l3; then
Monty Taylorc12d1d92016-08-23 19:07:57 -0500355 # Ensure IPv6 RAs are accepted on the interface with the default route.
356 # This is needed for neutron-based devstack clouds to work in
357 # IPv6-only clouds in the gate. Please do not remove this without
358 # talking to folks in Infra.
359 sudo sysctl -w net.ipv6.conf.$default_route_dev.accept_ra=2
Sean M. Collins2a242512016-05-03 09:03:09 -0400360 # Ensure IPv6 forwarding is enabled on the host
361 sudo sysctl -w net.ipv6.conf.all.forwarding=1
362 # Configure and enable public bridge
363 # Override global IPV6_ROUTER_GW_IP with the true value from neutron
364 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' ' ')
365 die_if_not_set $LINENO IPV6_ROUTER_GW_IP "Failure retrieving IPV6_ROUTER_GW_IP"
366
367 if is_neutron_ovs_base_plugin; then
368 local ext_gw_interface
369 ext_gw_interface=$(_neutron_get_ext_gw_interface)
370 local ipv6_cidr_len=${IPV6_PUBLIC_RANGE#*/}
371
372 # Configure interface for public bridge
Yi Zhaoa464ea72016-05-12 10:32:58 +0800373 sudo ip -6 addr replace $ipv6_ext_gw_ip/$ipv6_cidr_len dev $ext_gw_interface
Sean M. Collins2a242512016-05-03 09:03:09 -0400374 sudo ip -6 route replace $FIXED_RANGE_V6 via $IPV6_ROUTER_GW_IP dev $ext_gw_interface
375 fi
376 _neutron_set_router_id
377 fi
378}
watanabe.isao4f4d95a2016-05-12 20:35:20 +0900379
380function is_provider_network {
vsaienkod8942212016-05-13 12:51:30 +0300381 if [ "$Q_USE_PROVIDER_NETWORKING" == "True" ]; then
watanabe.isao4f4d95a2016-05-12 20:35:20 +0900382 return 0
383 fi
384 return 1
385}
Sean M. Collinsc35110e2016-05-18 10:38:51 -0400386
387function is_networking_extension_supported {
388 local extension=$1
389 # TODO(sc68cal) cache this instead of calling every time
390 EXT_LIST=$(neutron --os-cloud devstack-admin --os-region "$REGION_NAME" ext-list -c alias -f value)
391 [[ $EXT_LIST =~ $extension ]] && return 0
392}