OpenStack Ussuri : How to use Octavia2020/06/16 |
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Install and Configure OpenStack Load Balancing as a Service (Octavia).
This example is based on the environment like follows.
Configured Networking is VXLAN like here on this environment.
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | L2 Agent | | Libvirt |
| Memcached httpd | | L3 Agent | | Nova Compute |
| Keystone Glance | | Metadata Agent | | L2 Agent |
| Nova API | | Octavia Services | | |
| Neutron Server | | | | |
| Metadata Agent | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Create Loadbalancer instance. By default, [admin] users can create instances, so work as an admin user. It's OK to work on any node. (example below is on Control Node) |
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root@dlp ~(keystone)# openstack subnet list +--------------------------------------+---------+--------------------------------------+------------------+ | ID | Name | Network | Subnet | +--------------------------------------+---------+--------------------------------------+------------------+ | ddfcdd10-7ecb-4239-b3d7-46fdd15a006d | subnet2 | 1f3f1f9b-4822-4312-b5a5-51a529cd6e8a | 10.0.0.0/24 | | e2a461fc-9d50-4bab-913f-14067b175ea6 | subnet1 | b351e1b9-bd7c-4e3c-b5eb-848d211f4392 | 192.168.100.0/24 | +--------------------------------------+---------+--------------------------------------+------------------+root@dlp ~(keystone)# openstack loadbalancer create --name lb01 --vip-subnet-id subnet1 +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | admin_state_up | True | | availability_zone | None | | created_at | 2020-06-16T02:17:05 | | description | | | flavor_id | None | | id | ca8087f4-09f2-4721-9415-6449cada783e | | listeners | | | name | lb01 | | operating_status | OFFLINE | | pools | | | project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | | provider | amphora | | provisioning_status | PENDING_CREATE | | updated_at | None | | vip_address | 192.168.100.204 | | vip_network_id | b351e1b9-bd7c-4e3c-b5eb-848d211f4392 | | vip_port_id | d5fd42f5-0a00-4d27-ba9d-767000b39a61 | | vip_qos_policy_id | None | | vip_subnet_id | e2a461fc-9d50-4bab-913f-14067b175ea6 | +---------------------+--------------------------------------+ # after a few minutes, stauts turns to [ACTIVE] if instance successfully created root@dlp ~(keystone)# openstack loadbalancer list +--------------------------------------+------+----------------------------------+-----------------+---------------------+----------+ | id | name | project_id | vip_address | provisioning_status | provider | +--------------------------------------+------+----------------------------------+-----------------+---------------------+----------+ | ca8087f4-09f2-4721-9415-6449cada783e | lb01 | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | 192.168.100.204 | ACTIVE | amphora | +--------------------------------------+------+----------------------------------+-----------------+---------------------+----------+ |
| [2] | Add a listener and pool to the instance and Configure loadbalancing to use 2 backend Web Server instances. |
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# create a listener that listens TCP 80 root@dlp ~(keystone)# openstack loadbalancer listener create --name listener01 --protocol TCP --protocol-port 80 lb01 +-----------------------------+--------------------------------------+ | Field | Value | +-----------------------------+--------------------------------------+ | admin_state_up | True | | connection_limit | -1 | | created_at | 2020-06-16T02:30:40 | | default_pool_id | None | | default_tls_container_ref | None | | description | | | id | 259bcbd7-d75e-4ab5-a6ed-7e818ccab2c3 | | insert_headers | None | | l7policies | | | loadbalancers | ca8087f4-09f2-4721-9415-6449cada783e | | name | listener01 | | operating_status | OFFLINE | | project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | | protocol | TCP | | protocol_port | 80 | | provisioning_status | PENDING_CREATE | | sni_container_refs | [] | | timeout_client_data | 50000 | | timeout_member_connect | 5000 | | timeout_member_data | 50000 | | timeout_tcp_inspect | 0 | | updated_at | None | | client_ca_tls_container_ref | None | | client_authentication | NONE | | client_crl_container_ref | None | | allowed_cidrs | None | | tls_ciphers | None | +-----------------------------+--------------------------------------+ # add a pool to the listener root@dlp ~(keystone)# openstack loadbalancer pool create --name pool01 --lb-algorithm ROUND_ROBIN --listener listener01 --protocol TCP +----------------------+--------------------------------------+ | Field | Value | +----------------------+--------------------------------------+ | admin_state_up | True | | created_at | 2020-06-16T02:31:33 | | description | | | healthmonitor_id | | | id | 9cdd0c16-0d71-4f09-880e-b72d9f005ab0 | | lb_algorithm | ROUND_ROBIN | | listeners | 259bcbd7-d75e-4ab5-a6ed-7e818ccab2c3 | | loadbalancers | ca8087f4-09f2-4721-9415-6449cada783e | | members | | | name | pool01 | | operating_status | OFFLINE | | project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | | protocol | TCP | | provisioning_status | PENDING_CREATE | | session_persistence | None | | updated_at | None | | tls_container_ref | None | | ca_tls_container_ref | None | | crl_container_ref | None | | tls_enabled | False | | tls_ciphers | None | +----------------------+--------------------------------------+ # web server instances root@dlp ~(keystone)# openstack server list +--------------------------------------+---------------+--------+------------------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+---------------+--------+------------------------+------------+----------+ | 10de2817-7f1e-4e54-a4a4-68110579bb30 | Ubuntu_2004-2 | ACTIVE | int_net=192.168.100.37 | Ubuntu2004 | m1.small | | 5d817687-8a25-4888-b99f-50ecd7139747 | Ubuntu_2004-1 | ACTIVE | int_net=192.168.100.77 | Ubuntu2004 | m1.small | +--------------------------------------+---------------+--------+------------------------+------------+----------+ # add web server instances to the pool member root@dlp ~(keystone)# openstack loadbalancer member create --subnet-id subnet1 --address 192.168.100.37 --protocol-port 80 pool01 +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | address | 192.168.100.37 | | admin_state_up | True | | created_at | 2020-06-16T02:42:43 | | id | e94ea373-cf6c-46d8-97d5-f764a2d78322 | | name | | | operating_status | OFFLINE | | project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | | protocol_port | 80 | | provisioning_status | PENDING_CREATE | | subnet_id | e2a461fc-9d50-4bab-913f-14067b175ea6 | | updated_at | None | | weight | 1 | | monitor_port | None | | monitor_address | None | | backup | False | +---------------------+--------------------------------------+root@dlp ~(keystone)# openstack loadbalancer member create --subnet-id subnet1 --address 192.168.100.77 --protocol-port 80 pool01 +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | address | 192.168.100.77 | | admin_state_up | True | | created_at | 2020-06-16T02:42:51 | | id | bda12685-40c2-40ff-8072-3ed8d183489a | | name | | | operating_status | OFFLINE | | project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | | protocol_port | 80 | | provisioning_status | PENDING_CREATE | | subnet_id | e2a461fc-9d50-4bab-913f-14067b175ea6 | | updated_at | None | | weight | 1 | | monitor_port | None | | monitor_address | None | | backup | False | +---------------------+--------------------------------------+root@dlp ~(keystone)# openstack loadbalancer member list pool01 +--------------------------------------+------+----------------------------------+---------------------+----------------+---------------+------------------+--------+ | id | name | project_id | provisioning_status | address | protocol_port | operating_status | weight | +--------------------------------------+------+----------------------------------+---------------------+----------------+---------------+------------------+--------+ | e94ea373-cf6c-46d8-97d5-f764a2d78322 | | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | ACTIVE | 192.168.100.37 | 80 | OFFLINE | 1 | | bda12685-40c2-40ff-8072-3ed8d183489a | | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e | ACTIVE | 192.168.100.77 | 80 | OFFLINE | 1 | +--------------------------------------+------+----------------------------------+---------------------+----------------+---------------+------------------+--------+ # create a floating IP on public network root@dlp ~(keystone)# openstack floating ip create ext_net
+---------------------+-----------------------------------------------------------------------------+
| Field | Value |
+---------------------+-----------------------------------------------------------------------------+
| created_at | 2020-06-16T02:43:50Z |
| description | |
| dns_domain | None |
| dns_name | None |
| fixed_ip_address | None |
| floating_ip_address | 10.0.0.226 |
| floating_network_id | 1f3f1f9b-4822-4312-b5a5-51a529cd6e8a |
| id | 56cf03c9-cdf1-42d2-ae17-ef0bad8ec9e3 |
| location | Munch({'cloud': '', 'region_name': '', 'zone': None, 'project': Munch({'... |
| name | 10.0.0.226 |
| port_details | None |
| port_id | None |
| project_id | 3227cdd34d5c4d9c97eeb8f0dfdf5d0e |
| qos_policy_id | None |
| revision_number | 0 |
| router_id | None |
| status | DOWN |
| subnet_id | None |
| tags | [] |
| updated_at | 2020-06-16T02:43:50Z |
+---------------------+-----------------------------------------------------------------------------+
# assosiate floating IP with VIP of loadbalancer instace root@dlp ~(keystone)# VIPPORT=$(openstack loadbalancer show lb01 | grep vip_port_id | awk {'print $4'}) root@dlp ~(keystone)# openstack floating ip set --port $VIPPORT 10.0.0.226
# verify settings to access to the floating IP root@dlp ~(keystone)# curl 10.0.0.226 Web Server on Instance01 root@dlp ~(keystone)# curl 10.0.0.226 Web Server on Instance02 root@dlp ~(keystone)# curl 10.0.0.226 Web Server on Instance01 root@dlp ~(keystone)# curl 10.0.0.226 Web Server on Instance02 |
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