Per http://specs.openstack.org/openstack/neutron-specs/specs/juno/neutron-
ovs-dvr.html
1. Neutron DVR implements the fip-namespace on every Compute Node where the VMs are running. Thus VMs with FloatingIPs can forward the traffic to the External Network without routing it via Network Node. (North-South Routing).
2. Neutron DVR implements the L3 Routers across the Compute Nodes, so that tenants intra VM communication will occur with Network Node not involved. (East-West Routing).
3. Neutron Distributed Virtual Router provides the legacy SNAT behavior for the default SNAT for all private VMs. SNAT service is not distributed, it is centralized and the service node will host the service.
Setup configuration
- Controller node: Nova, Keystone, Cinder, Glance,
Neutron (using Open vSwitch plugin && VXLAN )
- (2x) Compute node: Nova (nova-compute),
Neutron (openvswitch-agent,l3-agent,metadata-agent )
Three CentOS 7.1 VMs (4 GB RAM, 4 VCPU, 2 VNICs ) has been built for testing
at Fedora 22 KVM Hypervisor.
Two libvirt sub-nets were used first "openstackvms" for emulating External && Mgmt Networks 192.169.142.0/24 gateway virbr1 (192.169.142.1) and "vteps" 10.0.0.0/24 to support two VXLAN tunnels between Controller and Compute Nodes.
# cat openstackvms.xml
<network>
<name>openstackvms</name>
<uuid>d0e9964a-f91a-40c0-b769-a609aee41bf2</uuid>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='virbr1' stp='on' delay='0' />
<mac address='52:54:00:60:f8:6d'/>
<ip address='192.169.142.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.169.142.2' end='192.169.142.254' />
</dhcp>
</ip>
</network>
# cat vteps.xml
<network>
<name>vteps</name>
<uuid>d0e9965b-f92c-40c1-b749-b609aed42cf2</uuid>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='virbr2' stp='on' delay='0' />
<mac address='52:54:00:60:f8:6d'/>
<ip address='10.0.0.1' netmask='255.255.255.0'>
<dhcp>
<range start='10.0.0.1' end='10.0.0.254' />
</dhcp>
</ip>
</network>
# virsh net-define openstackvms.xml
# virsh net-start openstackvms
# virsh net-autostart openstackvms
Second libvirt sub-net maybe defined and started same way.
ip-192-169-142-127.ip.secureserver.net - Controller/Network Node
ip-192-169-142-137.ip.secureserver.net - Compute Node
ip-192-169-142-147.ip.secureserver.net - Compute Node
Answer File :-
[general]
CONFIG_SSH_KEY=/root/.ssh/id_rsa.pub
CONFIG_DEFAULT_PASSWORD=
CONFIG_MARIADB_INSTALL=y
CONFIG_GLANCE_INSTALL=y
CONFIG_CINDER_INSTALL=y
CONFIG_NOVA_INSTALL=y
CONFIG_NEUTRON_INSTALL=y
CONFIG_HORIZON_INSTALL=y
CONFIG_SWIFT_INSTALL=y
CONFIG_CEILOMETER_INSTALL=y
CONFIG_HEAT_INSTALL=n
CONFIG_CLIENT_INSTALL=y
CONFIG_NTP_SERVERS=
CONFIG_NAGIOS_INSTALL=y
EXCLUDE_SERVERS=
CONFIG_DEBUG_MODE=n
CONFIG_CONTROLLER_HOST=192.169.142.127
CONFIG_COMPUTE_HOSTS=192.169.142.137,192.169.142.147
CONFIG_NETWORK_HOSTS=192.169.142.127
CONFIG_VMWARE_BACKEND=n
CONFIG_UNSUPPORTED=n
CONFIG_VCENTER_HOST=
CONFIG_VCENTER_USER=
CONFIG_VCENTER_PASSWORD=
CONFIG_VCENTER_CLUSTER_NAME=
CONFIG_STORAGE_HOST=192.169.142.127
CONFIG_USE_EPEL=y
CONFIG_REPO=
CONFIG_RH_USER=
CONFIG_SATELLITE_URL=
CONFIG_RH_PW=
CONFIG_RH_OPTIONAL=y
CONFIG_RH_PROXY=
CONFIG_RH_PROXY_PORT=
CONFIG_RH_PROXY_USER=
CONFIG_RH_PROXY_PW=
CONFIG_SATELLITE_USER=
CONFIG_SATELLITE_PW=
CONFIG_SATELLITE_AKEY=
CONFIG_SATELLITE_CACERT=
CONFIG_SATELLITE_PROFILE=
CONFIG_SATELLITE_FLAGS=
CONFIG_SATELLITE_PROXY=
CONFIG_SATELLITE_PROXY_USER=
CONFIG_SATELLITE_PROXY_PW=
CONFIG_AMQP_BACKEND=rabbitmq
CONFIG_AMQP_HOST=192.169.142.127
CONFIG_AMQP_ENABLE_SSL=n
CONFIG_AMQP_ENABLE_AUTH=n
CONFIG_AMQP_NSS_CERTDB_PW=PW_PLACEHOLDER
CONFIG_AMQP_SSL_PORT=5671
CONFIG_AMQP_SSL_CERT_FILE=/etc/pki/tls/certs/amqp_selfcert.pem
CONFIG_AMQP_SSL_KEY_FILE=/etc/pki/tls/private/amqp_selfkey.pem
CONFIG_AMQP_SSL_SELF_SIGNED=y
CONFIG_AMQP_AUTH_USER=amqp_user
CONFIG_AMQP_AUTH_PASSWORD=PW_PLACEHOLDER
CONFIG_MARIADB_HOST=192.169.142.127
CONFIG_MARIADB_USER=root
CONFIG_MARIADB_PW=7207ae344ed04957
CONFIG_KEYSTONE_DB_PW=abcae16b785245c3
CONFIG_KEYSTONE_REGION=RegionOne
CONFIG_KEYSTONE_ADMIN_TOKEN=3ad2de159f9649afb0c342ba57e637d9
CONFIG_KEYSTONE_ADMIN_PW=7049f834927e4468
CONFIG_KEYSTONE_DEMO_PW=bf737b785cfa4398
CONFIG_KEYSTONE_TOKEN_FORMAT=UUID
CONFIG_KEYSTONE_SERVICE_NAME=httpd
CONFIG_GLANCE_DB_PW=41264fc52ffd4fe8
CONFIG_GLANCE_KS_PW=f6a9398960534797
CONFIG_GLANCE_BACKEND=file
CONFIG_CINDER_DB_PW=5ac08c6d09ba4b69
CONFIG_CINDER_KS_PW=c8cb1ecb8c2b4f6f
CONFIG_CINDER_BACKEND=lvm
CONFIG_CINDER_VOLUMES_CREATE=y
CONFIG_CINDER_VOLUMES_SIZE=5G
CONFIG_CINDER_GLUSTER_MOUNTS=
CONFIG_CINDER_NFS_MOUNTS=
CONFIG_CINDER_NETAPP_LOGIN=
CONFIG_CINDER_NETAPP_PASSWORD=
CONFIG_CINDER_NETAPP_HOSTNAME=
CONFIG_CINDER_NETAPP_SERVER_PORT=80
CONFIG_CINDER_NETAPP_STORAGE_FAMILY=ontap_cluster
CONFIG_CINDER_NETAPP_TRANSPORT_TYPE=http
CONFIG_CINDER_NETAPP_STORAGE_PROTOCOL=nfs
CONFIG_CINDER_NETAPP_SIZE_MULTIPLIER=1.0
CONFIG_CINDER_NETAPP_EXPIRY_THRES_MINUTES=720
CONFIG_CINDER_NETAPP_THRES_AVL_SIZE_PERC_START=20
CONFIG_CINDER_NETAPP_THRES_AVL_SIZE_PERC_STOP=60
CONFIG_CINDER_NETAPP_NFS_SHARES_CONFIG=
CONFIG_CINDER_NETAPP_VOLUME_LIST=
CONFIG_CINDER_NETAPP_VFILER=
CONFIG_CINDER_NETAPP_VSERVER=
CONFIG_CINDER_NETAPP_CONTROLLER_IPS=
CONFIG_CINDER_NETAPP_SA_PASSWORD=
CONFIG_CINDER_NETAPP_WEBSERVICE_PATH=/devmgr/v2
CONFIG_CINDER_NETAPP_STORAGE_POOLS=
CONFIG_NOVA_DB_PW=1e1b5aeeeaf342a8
CONFIG_NOVA_KS_PW=d9583177a2444f06
CONFIG_NOVA_SCHED_CPU_ALLOC_RATIO=16.0
CONFIG_NOVA_SCHED_RAM_ALLOC_RATIO=1.5
CONFIG_NOVA_COMPUTE_MIGRATE_PROTOCOL=tcp
CONFIG_NOVA_COMPUTE_PRIVIF=eth1
CONFIG_NOVA_NETWORK_MANAGER=nova.network.manager.FlatDHCPManager
CONFIG_NOVA_NETWORK_PUBIF=eth0
CONFIG_NOVA_NETWORK_PRIVIF=eth1
CONFIG_NOVA_NETWORK_FIXEDRANGE=192.168.32.0/22
CONFIG_NOVA_NETWORK_FLOATRANGE=10.3.4.0/22
CONFIG_NOVA_NETWORK_DEFAULTFLOATINGPOOL=nova
CONFIG_NOVA_NETWORK_AUTOASSIGNFLOATINGIP=n
CONFIG_NOVA_NETWORK_VLAN_START=100
CONFIG_NOVA_NETWORK_NUMBER=1
CONFIG_NOVA_NETWORK_SIZE=255
CONFIG_NEUTRON_KS_PW=808e36e154bd4cee
CONFIG_NEUTRON_DB_PW=0e2b927a21b44737
CONFIG_NEUTRON_L3_EXT_BRIDGE=br-ex
CONFIG_NEUTRON_L2_PLUGIN=ml2
CONFIG_NEUTRON_METADATA_PW=a965cd23ed2f4502
CONFIG_LBAAS_INSTALL=n
CONFIG_NEUTRON_METERING_AGENT_INSTALL=n
CONFIG_NEUTRON_FWAAS=n
CONFIG_NEUTRON_ML2_TYPE_DRIVERS=vxlan
CONFIG_NEUTRON_ML2_TENANT_NETWORK_TYPES=vxlan
CONFIG_NEUTRON_ML2_MECHANISM_DRIVERS=openvswitch
CONFIG_NEUTRON_ML2_FLAT_NETWORKS=*
CONFIG_NEUTRON_ML2_VLAN_RANGES=
CONFIG_NEUTRON_ML2_TUNNEL_ID_RANGES=1001:2000
CONFIG_NEUTRON_ML2_VXLAN_GROUP=239.1.1.2
CONFIG_NEUTRON_ML2_VNI_RANGES=1001:2000
CONFIG_NEUTRON_L2_AGENT=openvswitch
CONFIG_NEUTRON_LB_TENANT_NETWORK_TYPE=local
CONFIG_NEUTRON_LB_VLAN_RANGES=
CONFIG_NEUTRON_LB_INTERFACE_MAPPINGS=
CONFIG_NEUTRON_OVS_TENANT_NETWORK_TYPE=vxlan
CONFIG_NEUTRON_OVS_VLAN_RANGES=
CONFIG_NEUTRON_OVS_BRIDGE_MAPPINGS=physnet1:br-ex
CONFIG_NEUTRON_OVS_BRIDGE_IFACES=
CONFIG_NEUTRON_OVS_TUNNEL_RANGES=1001:2000
CONFIG_NEUTRON_OVS_TUNNEL_IF=eth1
CONFIG_NEUTRON_OVS_VXLAN_UDP_PORT=4789
CONFIG_HORIZON_SSL=n
CONFIG_SSL_CERT=
CONFIG_SSL_KEY=
CONFIG_SSL_CACHAIN=
CONFIG_SWIFT_KS_PW=8f75bfd461234c30
CONFIG_SWIFT_STORAGES=
CONFIG_SWIFT_STORAGE_ZONES=1
CONFIG_SWIFT_STORAGE_REPLICAS=1
CONFIG_SWIFT_STORAGE_FSTYPE=ext4
CONFIG_SWIFT_HASH=a60aacbedde7429a
CONFIG_SWIFT_STORAGE_SIZE=2G
CONFIG_PROVISION_DEMO=y
CONFIG_PROVISION_TEMPEST=n
CONFIG_PROVISION_TEMPEST_USER=
CONFIG_PROVISION_TEMPEST_USER_PW=44faa4ebc3da4459
CONFIG_PROVISION_DEMO_FLOATRANGE=172.24.4.224/28
CONFIG_PROVISION_TEMPEST_REPO_URI=https://github.com/openstack/tempest.git
CONFIG_PROVISION_TEMPEST_REPO_REVISION=master
CONFIG_PROVISION_ALL_IN_ONE_OVS_BRIDGE=n
CONFIG_HEAT_DB_PW=PW_PLACEHOLDER
CONFIG_HEAT_AUTH_ENC_KEY=fc3fb7fee61e46b0
CONFIG_HEAT_KS_PW=PW_PLACEHOLDER
CONFIG_HEAT_CLOUDWATCH_INSTALL=n
CONFIG_HEAT_USING_TRUSTS=y
CONFIG_HEAT_CFN_INSTALL=n
CONFIG_HEAT_DOMAIN=heat
CONFIG_HEAT_DOMAIN_ADMIN=heat_admin
CONFIG_HEAT_DOMAIN_PASSWORD=PW_PLACEHOLDER
CONFIG_CEILOMETER_SECRET=19ae0e7430174349
CONFIG_CEILOMETER_KS_PW=337b08d4b3a44753
CONFIG_MONGODB_HOST=192.169.142.127
CONFIG_NAGIOS_PW=02f168ee8edd44e4
********************************************************
On Controller (X=2) and Computes X=(3,4) update :-
********************************************************
# cat ifcfg-br-ex
DEVICE="br-ex"
BOOTPROTO="static"
IPADDR="192.169.142.1(X)7"
NETMASK="255.255.255.0"
DNS1="83.221.202.254"
BROADCAST="192.169.142.255"
GATEWAY="192.169.142.1"
NM_CONTROLLED="no"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="yes"
IPV6INIT=no
ONBOOT="yes"
TYPE="OVSIntPort"
OVS_BRIDGE=br-ex
DEVICETYPE="ovs"
# cat ifcfg-eth0
DEVICE="eth0"
ONBOOT="yes"
TYPE="OVSPort"
DEVICETYPE="ovs"
OVS_BRIDGE=br-ex
NM_CONTROLLED=no
IPV6INIT=no
***********
Then
***********
# chkconfig network on
# systemctl stop NetworkManager
# systemctl disable NetworkManager
# service network restart
Reboot
*****************************************
On Controller update neutron.conf
*****************************************
router_distributed = True
dvr_base_mac = fa:16:3f:00:00:00
*****************
On Controller
*****************
[root@ip-192-169-142-127 neutron(keystone_admin)]# cat l3_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = dvr_snat
allow_automatic_l3agent_failover=False
*********************************
On each Compute Node
*********************************
[root@ip-192-169-142-147 neutron]# cat l3_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
agent_mode = dvr
*******************
On each node
*******************
[root@ip-192-169-142-147 neutron]# cat metadata_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
debug = False
auth_url = http://192.169.142.127:35357/v2.0
auth_region = RegionOne
auth_insecure = False
admin_tenant_name = services
admin_user = neutron
admin_password = 808e36e154bd4cee
nova_metadata_ip = 192.169.142.127
nova_metadata_port = 8775
metadata_proxy_shared_secret =a965cd23ed2f4502
metadata_workers =4
metadata_backlog = 4096
cache_url = memory://?default_ttl=5
[root@ip-192-169-142-147 neutron]# cat ml2_conf.ini | grep -v ^#| grep -v ^$
[ml2]
type_drivers = vxlan
tenant_network_types = vxlan
mechanism_drivers =openvswitch,l2population
[ml2_type_flat]
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1001:2000
vxlan_group =239.1.1.2
[securitygroup]
enable_security_group = True
# On Compute nodes
[agent]
l2_population = True
***************************************************************************************
The last entry for [agent] is important for DVR configuration on Kilo ( vs Juno )
Command been run on Compute :-
rsync -av root@controller:/etc/neutron/plugins/ml2 /etc/neutron/plugins
as suggested in http://schmaustech.blogspot.com/2014/12/configuring-dvr-in-openstack-juno.html
would work for you on Juno. On Kilo files /etc/neutron/plugins/ml2/ml2_conf.ini
are different on Controller/Network and on Compute nodes. Missing [agent]
section on Kilo will result VXLAN tunnels not come up after nodes reboot.
***************************************************************************************
[root@ip-192-169-142-147 openvswitch]# cat ovs_neutron_plugin.ini | grep -v ^#| grep -v ^$
[ovs]
enable_tunneling = True
integration_bridge = br-int
tunnel_bridge = br-tun
local_ip =10.0.0.147
bridge_mappings =physnet1:br-ex
[agent]
polling_interval = 2
tunnel_types =vxlan
vxlan_udp_port =4789
l2_population = True
enable_distributed_routing = True
arp_responder = True
[securitygroup]
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
******************************************************************************
On each Compute node neutron-l3-agent and neutron-metadata-agent are
supposed to be started.
******************************************************************************
# yum install openstack-neutron-ml2
# systemctl start neutron-l3-agent
# systemctl start neutron-metadata-agent
# systemctl enable neutron-l3-agent
# systemctl enable neutron-metadata-agent
[root@ip-192-169-142-127 ~(keystone_admin)]# neutron l3-agent-list-hosting-router RouterDemo
+--------------------------------------+----------------------------------------+----------------+-------+----------+
| id | host | admin_state_up | alive | ha_state |
+--------------------------------------+----------------------------------------+----------------+-------+----------+
| 50388b16-4461-441c-83a4-f7e7084ec415 | ip-192-169-142-127.ip.secureserver.net | True | :-) | |
| 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4 | ip-192-169-142-137.ip.secureserver.net | True | :-) | |
| d18cdf01-6814-489d-bef2-5207c1aac0eb | ip-192-169-142-147.ip.secureserver.net | True | :-) | |
+--------------------------------------+----------------------------------------+----------------+-------+----------+
[root@ip-192-169-142-127 ~(keystone_admin)]# neutron agent-show 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4
+---------------------+-------------------------------------------------------------------------------+
| Field | Value |
+---------------------+-------------------------------------------------------------------------------+
| admin_state_up | True |
| agent_type | L3 agent |
| alive | True |
| binary | neutron-l3-agent |
| configurations | { |
| | "router_id": "", |
| | "agent_mode": "dvr", |
| | "gateway_external_network_id": "", |
| | "handle_internal_only_routers": true, |
| | "use_namespaces": true, |
| | "routers": 1, |
| | "interfaces": 1, |
| | "floating_ips": 1, |
| | "interface_driver": "neutron.agent.linux.interface.OVSInterfaceDriver", |
| | "external_network_bridge": "br-ex", |
| | "ex_gw_ports": 1 |
| | } |
| created_at | 2015-09-29 07:40:37 |
| description | |
| heartbeat_timestamp | 2015-09-30 09:58:24 |
| host | ip-192-169-142-137.ip.secureserver.net |
| id | 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4 |
| started_at | 2015-09-30 08:08:53 |
| topic | l3_agent |
+---------------------+--------------------------------------------------------------------------
[root@ip-192-169-142-147 ~(keystone_admin)]# ovs-vsctl show
bbf7aa55-c701-4032-a3e6-ef9291f4f7e7
Bridge br-int
fail_mode: secure
Port "qvo2495c8c5-2e"
tag: 2
Interface "qvo2495c8c5-2e"
Port "qr-4a97cab0-ad"
tag: 2
Interface "qr-4a97cab0-ad"
type: internal
Port br-int
Interface br-int
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Bridge br-tun
fail_mode: secure
Port "vxlan-0a00007f"
Interface "vxlan-0a00007f"
type: vxlan
options: {df_default="true", in_key=flow, local_ip="10.0.0.147", out_key=flow, remote_ip="10.0.0.127"}
Port "vxlan-0a000089"
Interface "vxlan-0a000089"
type: vxlan
options: {df_default="true", in_key=flow, local_ip="10.0.0.147", out_key=flow, remote_ip="10.0.0.137"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-ex
Port "fg-87c492c2-1a"
Interface "fg-87c492c2-1a"
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port "eth0"
Interface "eth0"
Port br-ex
Interface br-ex
type: internal
ovs_version: "2.3.1"
References
1. http://assafmuller.com/2015/04/15/distributed-virtual-routing-overview-and-eastwest-routing/
2. http://assafmuller.com/2014/02/23/ml2-address-population/
3. https://access.redhat.com/documentation/en/red-hat-enterprise-linux-openstack-platform/version-7/red-hat-enterprise-linux-openstack-platform-7-networking-guide/chapter-9-configure-distributed-virtual-routing-dvr
ovs-dvr.html
1. Neutron DVR implements the fip-namespace on every Compute Node where the VMs are running. Thus VMs with FloatingIPs can forward the traffic to the External Network without routing it via Network Node. (North-South Routing).
2. Neutron DVR implements the L3 Routers across the Compute Nodes, so that tenants intra VM communication will occur with Network Node not involved. (East-West Routing).
3. Neutron Distributed Virtual Router provides the legacy SNAT behavior for the default SNAT for all private VMs. SNAT service is not distributed, it is centralized and the service node will host the service.
Setup configuration
- Controller node: Nova, Keystone, Cinder, Glance,
Neutron (using Open vSwitch plugin && VXLAN )
- (2x) Compute node: Nova (nova-compute),
Neutron (openvswitch-agent,l3-agent,metadata-agent )
Three CentOS 7.1 VMs (4 GB RAM, 4 VCPU, 2 VNICs ) has been built for testing
at Fedora 22 KVM Hypervisor.
Two libvirt sub-nets were used first "openstackvms" for emulating External && Mgmt Networks 192.169.142.0/24 gateway virbr1 (192.169.142.1) and "vteps" 10.0.0.0/24 to support two VXLAN tunnels between Controller and Compute Nodes.
# cat openstackvms.xml
<network>
<name>openstackvms</name>
<uuid>d0e9964a-f91a-40c0-b769-a609aee41bf2</uuid>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='virbr1' stp='on' delay='0' />
<mac address='52:54:00:60:f8:6d'/>
<ip address='192.169.142.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.169.142.2' end='192.169.142.254' />
</dhcp>
</ip>
</network>
# cat vteps.xml
<network>
<name>vteps</name>
<uuid>d0e9965b-f92c-40c1-b749-b609aed42cf2</uuid>
<forward mode='nat'>
<nat>
<port start='1024' end='65535'/>
</nat>
</forward>
<bridge name='virbr2' stp='on' delay='0' />
<mac address='52:54:00:60:f8:6d'/>
<ip address='10.0.0.1' netmask='255.255.255.0'>
<dhcp>
<range start='10.0.0.1' end='10.0.0.254' />
</dhcp>
</ip>
</network>
# virsh net-define openstackvms.xml
# virsh net-start openstackvms
# virsh net-autostart openstackvms
Second libvirt sub-net maybe defined and started same way.
ip-192-169-142-127.ip.secureserver.net - Controller/Network Node
ip-192-169-142-137.ip.secureserver.net - Compute Node
ip-192-169-142-147.ip.secureserver.net - Compute Node
Answer File :-
[general]
CONFIG_SSH_KEY=/root/.ssh/id_rsa.pub
CONFIG_DEFAULT_PASSWORD=
CONFIG_MARIADB_INSTALL=y
CONFIG_GLANCE_INSTALL=y
CONFIG_CINDER_INSTALL=y
CONFIG_NOVA_INSTALL=y
CONFIG_NEUTRON_INSTALL=y
CONFIG_HORIZON_INSTALL=y
CONFIG_SWIFT_INSTALL=y
CONFIG_CEILOMETER_INSTALL=y
CONFIG_HEAT_INSTALL=n
CONFIG_CLIENT_INSTALL=y
CONFIG_NTP_SERVERS=
CONFIG_NAGIOS_INSTALL=y
EXCLUDE_SERVERS=
CONFIG_DEBUG_MODE=n
CONFIG_CONTROLLER_HOST=192.169.142.127
CONFIG_COMPUTE_HOSTS=192.169.142.137,192.169.142.147
CONFIG_NETWORK_HOSTS=192.169.142.127
CONFIG_VMWARE_BACKEND=n
CONFIG_UNSUPPORTED=n
CONFIG_VCENTER_HOST=
CONFIG_VCENTER_USER=
CONFIG_VCENTER_PASSWORD=
CONFIG_VCENTER_CLUSTER_NAME=
CONFIG_STORAGE_HOST=192.169.142.127
CONFIG_USE_EPEL=y
CONFIG_REPO=
CONFIG_RH_USER=
CONFIG_SATELLITE_URL=
CONFIG_RH_PW=
CONFIG_RH_OPTIONAL=y
CONFIG_RH_PROXY=
CONFIG_RH_PROXY_PORT=
CONFIG_RH_PROXY_USER=
CONFIG_RH_PROXY_PW=
CONFIG_SATELLITE_USER=
CONFIG_SATELLITE_PW=
CONFIG_SATELLITE_AKEY=
CONFIG_SATELLITE_CACERT=
CONFIG_SATELLITE_PROFILE=
CONFIG_SATELLITE_FLAGS=
CONFIG_SATELLITE_PROXY=
CONFIG_SATELLITE_PROXY_USER=
CONFIG_SATELLITE_PROXY_PW=
CONFIG_AMQP_BACKEND=rabbitmq
CONFIG_AMQP_HOST=192.169.142.127
CONFIG_AMQP_ENABLE_SSL=n
CONFIG_AMQP_ENABLE_AUTH=n
CONFIG_AMQP_NSS_CERTDB_PW=PW_PLACEHOLDER
CONFIG_AMQP_SSL_PORT=5671
CONFIG_AMQP_SSL_CERT_FILE=/etc/pki/tls/certs/amqp_selfcert.pem
CONFIG_AMQP_SSL_KEY_FILE=/etc/pki/tls/private/amqp_selfkey.pem
CONFIG_AMQP_SSL_SELF_SIGNED=y
CONFIG_AMQP_AUTH_USER=amqp_user
CONFIG_AMQP_AUTH_PASSWORD=PW_PLACEHOLDER
CONFIG_MARIADB_HOST=192.169.142.127
CONFIG_MARIADB_USER=root
CONFIG_MARIADB_PW=7207ae344ed04957
CONFIG_KEYSTONE_DB_PW=abcae16b785245c3
CONFIG_KEYSTONE_REGION=RegionOne
CONFIG_KEYSTONE_ADMIN_TOKEN=3ad2de159f9649afb0c342ba57e637d9
CONFIG_KEYSTONE_ADMIN_PW=7049f834927e4468
CONFIG_KEYSTONE_DEMO_PW=bf737b785cfa4398
CONFIG_KEYSTONE_TOKEN_FORMAT=UUID
CONFIG_KEYSTONE_SERVICE_NAME=httpd
CONFIG_GLANCE_DB_PW=41264fc52ffd4fe8
CONFIG_GLANCE_KS_PW=f6a9398960534797
CONFIG_GLANCE_BACKEND=file
CONFIG_CINDER_DB_PW=5ac08c6d09ba4b69
CONFIG_CINDER_KS_PW=c8cb1ecb8c2b4f6f
CONFIG_CINDER_BACKEND=lvm
CONFIG_CINDER_VOLUMES_CREATE=y
CONFIG_CINDER_VOLUMES_SIZE=5G
CONFIG_CINDER_GLUSTER_MOUNTS=
CONFIG_CINDER_NFS_MOUNTS=
CONFIG_CINDER_NETAPP_LOGIN=
CONFIG_CINDER_NETAPP_PASSWORD=
CONFIG_CINDER_NETAPP_HOSTNAME=
CONFIG_CINDER_NETAPP_SERVER_PORT=80
CONFIG_CINDER_NETAPP_STORAGE_FAMILY=ontap_cluster
CONFIG_CINDER_NETAPP_TRANSPORT_TYPE=http
CONFIG_CINDER_NETAPP_STORAGE_PROTOCOL=nfs
CONFIG_CINDER_NETAPP_SIZE_MULTIPLIER=1.0
CONFIG_CINDER_NETAPP_EXPIRY_THRES_MINUTES=720
CONFIG_CINDER_NETAPP_THRES_AVL_SIZE_PERC_START=20
CONFIG_CINDER_NETAPP_THRES_AVL_SIZE_PERC_STOP=60
CONFIG_CINDER_NETAPP_NFS_SHARES_CONFIG=
CONFIG_CINDER_NETAPP_VOLUME_LIST=
CONFIG_CINDER_NETAPP_VFILER=
CONFIG_CINDER_NETAPP_VSERVER=
CONFIG_CINDER_NETAPP_CONTROLLER_IPS=
CONFIG_CINDER_NETAPP_SA_PASSWORD=
CONFIG_CINDER_NETAPP_WEBSERVICE_PATH=/devmgr/v2
CONFIG_CINDER_NETAPP_STORAGE_POOLS=
CONFIG_NOVA_DB_PW=1e1b5aeeeaf342a8
CONFIG_NOVA_KS_PW=d9583177a2444f06
CONFIG_NOVA_SCHED_CPU_ALLOC_RATIO=16.0
CONFIG_NOVA_SCHED_RAM_ALLOC_RATIO=1.5
CONFIG_NOVA_COMPUTE_MIGRATE_PROTOCOL=tcp
CONFIG_NOVA_COMPUTE_PRIVIF=eth1
CONFIG_NOVA_NETWORK_MANAGER=nova.network.manager.FlatDHCPManager
CONFIG_NOVA_NETWORK_PUBIF=eth0
CONFIG_NOVA_NETWORK_PRIVIF=eth1
CONFIG_NOVA_NETWORK_FIXEDRANGE=192.168.32.0/22
CONFIG_NOVA_NETWORK_FLOATRANGE=10.3.4.0/22
CONFIG_NOVA_NETWORK_DEFAULTFLOATINGPOOL=nova
CONFIG_NOVA_NETWORK_AUTOASSIGNFLOATINGIP=n
CONFIG_NOVA_NETWORK_VLAN_START=100
CONFIG_NOVA_NETWORK_NUMBER=1
CONFIG_NOVA_NETWORK_SIZE=255
CONFIG_NEUTRON_KS_PW=808e36e154bd4cee
CONFIG_NEUTRON_DB_PW=0e2b927a21b44737
CONFIG_NEUTRON_L3_EXT_BRIDGE=br-ex
CONFIG_NEUTRON_L2_PLUGIN=ml2
CONFIG_NEUTRON_METADATA_PW=a965cd23ed2f4502
CONFIG_LBAAS_INSTALL=n
CONFIG_NEUTRON_METERING_AGENT_INSTALL=n
CONFIG_NEUTRON_FWAAS=n
CONFIG_NEUTRON_ML2_TYPE_DRIVERS=vxlan
CONFIG_NEUTRON_ML2_TENANT_NETWORK_TYPES=vxlan
CONFIG_NEUTRON_ML2_MECHANISM_DRIVERS=openvswitch
CONFIG_NEUTRON_ML2_FLAT_NETWORKS=*
CONFIG_NEUTRON_ML2_VLAN_RANGES=
CONFIG_NEUTRON_ML2_TUNNEL_ID_RANGES=1001:2000
CONFIG_NEUTRON_ML2_VXLAN_GROUP=239.1.1.2
CONFIG_NEUTRON_ML2_VNI_RANGES=1001:2000
CONFIG_NEUTRON_L2_AGENT=openvswitch
CONFIG_NEUTRON_LB_TENANT_NETWORK_TYPE=local
CONFIG_NEUTRON_LB_VLAN_RANGES=
CONFIG_NEUTRON_LB_INTERFACE_MAPPINGS=
CONFIG_NEUTRON_OVS_TENANT_NETWORK_TYPE=vxlan
CONFIG_NEUTRON_OVS_VLAN_RANGES=
CONFIG_NEUTRON_OVS_BRIDGE_MAPPINGS=physnet1:br-ex
CONFIG_NEUTRON_OVS_BRIDGE_IFACES=
CONFIG_NEUTRON_OVS_TUNNEL_RANGES=1001:2000
CONFIG_NEUTRON_OVS_TUNNEL_IF=eth1
CONFIG_NEUTRON_OVS_VXLAN_UDP_PORT=4789
CONFIG_HORIZON_SSL=n
CONFIG_SSL_CERT=
CONFIG_SSL_KEY=
CONFIG_SSL_CACHAIN=
CONFIG_SWIFT_KS_PW=8f75bfd461234c30
CONFIG_SWIFT_STORAGES=
CONFIG_SWIFT_STORAGE_ZONES=1
CONFIG_SWIFT_STORAGE_REPLICAS=1
CONFIG_SWIFT_STORAGE_FSTYPE=ext4
CONFIG_SWIFT_HASH=a60aacbedde7429a
CONFIG_SWIFT_STORAGE_SIZE=2G
CONFIG_PROVISION_DEMO=y
CONFIG_PROVISION_TEMPEST=n
CONFIG_PROVISION_TEMPEST_USER=
CONFIG_PROVISION_TEMPEST_USER_PW=44faa4ebc3da4459
CONFIG_PROVISION_DEMO_FLOATRANGE=172.24.4.224/28
CONFIG_PROVISION_TEMPEST_REPO_URI=https://github.com/openstack/tempest.git
CONFIG_PROVISION_TEMPEST_REPO_REVISION=master
CONFIG_PROVISION_ALL_IN_ONE_OVS_BRIDGE=n
CONFIG_HEAT_DB_PW=PW_PLACEHOLDER
CONFIG_HEAT_AUTH_ENC_KEY=fc3fb7fee61e46b0
CONFIG_HEAT_KS_PW=PW_PLACEHOLDER
CONFIG_HEAT_CLOUDWATCH_INSTALL=n
CONFIG_HEAT_USING_TRUSTS=y
CONFIG_HEAT_CFN_INSTALL=n
CONFIG_HEAT_DOMAIN=heat
CONFIG_HEAT_DOMAIN_ADMIN=heat_admin
CONFIG_HEAT_DOMAIN_PASSWORD=PW_PLACEHOLDER
CONFIG_CEILOMETER_SECRET=19ae0e7430174349
CONFIG_CEILOMETER_KS_PW=337b08d4b3a44753
CONFIG_MONGODB_HOST=192.169.142.127
CONFIG_NAGIOS_PW=02f168ee8edd44e4
********************************************************
On Controller (X=2) and Computes X=(3,4) update :-
********************************************************
# cat ifcfg-br-ex
DEVICE="br-ex"
BOOTPROTO="static"
IPADDR="192.169.142.1(X)7"
NETMASK="255.255.255.0"
DNS1="83.221.202.254"
BROADCAST="192.169.142.255"
GATEWAY="192.169.142.1"
NM_CONTROLLED="no"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="yes"
IPV6INIT=no
ONBOOT="yes"
TYPE="OVSIntPort"
OVS_BRIDGE=br-ex
DEVICETYPE="ovs"
# cat ifcfg-eth0
DEVICE="eth0"
ONBOOT="yes"
TYPE="OVSPort"
DEVICETYPE="ovs"
OVS_BRIDGE=br-ex
NM_CONTROLLED=no
IPV6INIT=no
***********
Then
***********
# chkconfig network on
# systemctl stop NetworkManager
# systemctl disable NetworkManager
# service network restart
Reboot
*****************************************
On Controller update neutron.conf
*****************************************
router_distributed = True
dvr_base_mac = fa:16:3f:00:00:00
*****************
On Controller
*****************
[root@ip-192-169-142-127 neutron(keystone_admin)]# cat l3_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
debug = False
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
use_namespaces = True
handle_internal_only_routers = True
external_network_bridge = br-ex
metadata_port = 9697
send_arp_for_ha = 3
periodic_interval = 40
periodic_fuzzy_delay = 5
enable_metadata_proxy = True
router_delete_namespaces = False
agent_mode = dvr_snat
allow_automatic_l3agent_failover=False
*********************************
On each Compute Node
*********************************
[root@ip-192-169-142-147 neutron]# cat l3_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
agent_mode = dvr
*******************
On each node
*******************
[root@ip-192-169-142-147 neutron]# cat metadata_agent.ini | grep -v ^#| grep -v ^$
[DEFAULT]
debug = False
auth_url = http://192.169.142.127:35357/v2.0
auth_region = RegionOne
auth_insecure = False
admin_tenant_name = services
admin_user = neutron
admin_password = 808e36e154bd4cee
nova_metadata_ip = 192.169.142.127
nova_metadata_port = 8775
metadata_proxy_shared_secret =a965cd23ed2f4502
metadata_workers =4
metadata_backlog = 4096
cache_url = memory://?default_ttl=5
[root@ip-192-169-142-147 neutron]# cat ml2_conf.ini | grep -v ^#| grep -v ^$
[ml2]
type_drivers = vxlan
tenant_network_types = vxlan
mechanism_drivers =openvswitch,l2population
[ml2_type_flat]
[ml2_type_vlan]
[ml2_type_gre]
[ml2_type_vxlan]
vni_ranges =1001:2000
vxlan_group =239.1.1.2
[securitygroup]
enable_security_group = True
# On Compute nodes
[agent]
l2_population = True
***************************************************************************************
The last entry for [agent] is important for DVR configuration on Kilo ( vs Juno )
Command been run on Compute :-
rsync -av root@controller:/etc/neutron/plugins/ml2 /etc/neutron/plugins
as suggested in http://schmaustech.blogspot.com/2014/12/configuring-dvr-in-openstack-juno.html
would work for you on Juno. On Kilo files /etc/neutron/plugins/ml2/ml2_conf.ini
are different on Controller/Network and on Compute nodes. Missing [agent]
section on Kilo will result VXLAN tunnels not come up after nodes reboot.
***************************************************************************************
[root@ip-192-169-142-147 openvswitch]# cat ovs_neutron_plugin.ini | grep -v ^#| grep -v ^$
[ovs]
enable_tunneling = True
integration_bridge = br-int
tunnel_bridge = br-tun
local_ip =10.0.0.147
bridge_mappings =physnet1:br-ex
[agent]
polling_interval = 2
tunnel_types =vxlan
vxlan_udp_port =4789
l2_population = True
enable_distributed_routing = True
arp_responder = True
[securitygroup]
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
******************************************************************************
On each Compute node neutron-l3-agent and neutron-metadata-agent are
supposed to be started.
******************************************************************************
# yum install openstack-neutron-ml2
# systemctl start neutron-l3-agent
# systemctl start neutron-metadata-agent
# systemctl enable neutron-l3-agent
# systemctl enable neutron-metadata-agent
[root@ip-192-169-142-127 ~(keystone_admin)]# neutron l3-agent-list-hosting-router RouterDemo
+--------------------------------------+----------------------------------------+----------------+-------+----------+
| id | host | admin_state_up | alive | ha_state |
+--------------------------------------+----------------------------------------+----------------+-------+----------+
| 50388b16-4461-441c-83a4-f7e7084ec415 | ip-192-169-142-127.ip.secureserver.net | True | :-) | |
| 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4 | ip-192-169-142-137.ip.secureserver.net | True | :-) | |
| d18cdf01-6814-489d-bef2-5207c1aac0eb | ip-192-169-142-147.ip.secureserver.net | True | :-) | |
+--------------------------------------+----------------------------------------+----------------+-------+----------+
[root@ip-192-169-142-127 ~(keystone_admin)]# neutron agent-show 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4
+---------------------+-------------------------------------------------------------------------------+
| Field | Value |
+---------------------+-------------------------------------------------------------------------------+
| admin_state_up | True |
| agent_type | L3 agent |
| alive | True |
| binary | neutron-l3-agent |
| configurations | { |
| | "router_id": "", |
| | "agent_mode": "dvr", |
| | "gateway_external_network_id": "", |
| | "handle_internal_only_routers": true, |
| | "use_namespaces": true, |
| | "routers": 1, |
| | "interfaces": 1, |
| | "floating_ips": 1, |
| | "interface_driver": "neutron.agent.linux.interface.OVSInterfaceDriver", |
| | "external_network_bridge": "br-ex", |
| | "ex_gw_ports": 1 |
| | } |
| created_at | 2015-09-29 07:40:37 |
| description | |
| heartbeat_timestamp | 2015-09-30 09:58:24 |
| host | ip-192-169-142-137.ip.secureserver.net |
| id | 7e89d4a7-7ebf-4a7a-9589-f6694e3637d4 |
| started_at | 2015-09-30 08:08:53 |
| topic | l3_agent |
+---------------------+--------------------------------------------------------------------------
[root@ip-192-169-142-147 ~(keystone_admin)]# ovs-vsctl show
bbf7aa55-c701-4032-a3e6-ef9291f4f7e7
Bridge br-int
fail_mode: secure
Port "qvo2495c8c5-2e"
tag: 2
Interface "qvo2495c8c5-2e"
Port "qr-4a97cab0-ad"
tag: 2
Interface "qr-4a97cab0-ad"
type: internal
Port br-int
Interface br-int
type: internal
Port patch-tun
Interface patch-tun
type: patch
options: {peer=patch-int}
Port int-br-ex
Interface int-br-ex
type: patch
options: {peer=phy-br-ex}
Bridge br-tun
fail_mode: secure
Port "vxlan-0a00007f"
Interface "vxlan-0a00007f"
type: vxlan
options: {df_default="true", in_key=flow, local_ip="10.0.0.147", out_key=flow, remote_ip="10.0.0.127"}
Port "vxlan-0a000089"
Interface "vxlan-0a000089"
type: vxlan
options: {df_default="true", in_key=flow, local_ip="10.0.0.147", out_key=flow, remote_ip="10.0.0.137"}
Port br-tun
Interface br-tun
type: internal
Port patch-int
Interface patch-int
type: patch
options: {peer=patch-tun}
Bridge br-ex
Port "fg-87c492c2-1a"
Interface "fg-87c492c2-1a"
type: internal
Port phy-br-ex
Interface phy-br-ex
type: patch
options: {peer=int-br-ex}
Port "eth0"
Interface "eth0"
Port br-ex
Interface br-ex
type: internal
ovs_version: "2.3.1"
References
1. http://assafmuller.com/2015/04/15/distributed-virtual-routing-overview-and-eastwest-routing/
2. http://assafmuller.com/2014/02/23/ml2-address-population/
3. https://access.redhat.com/documentation/en/red-hat-enterprise-linux-openstack-platform/version-7/red-hat-enterprise-linux-openstack-platform-7-networking-guide/chapter-9-configure-distributed-virtual-routing-dvr
