OpenStack Xena : Create LoadBalancer Image2021/10/08 |
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Install and Configure OpenStack Load Balancing as a Service (Octavia).
This example is based on the environment like follows.
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Storage Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API | | Cinder Volume | | OVN Metadata Agent |
| Cinder API | | Octavia Services | | OVN-Controller |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Create a LoadBalancer Image and add it to Glance. It's OK to work on any node. (example below is on Control Node) |
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# create an instance image root@dlp ~(keystone)# snap install octavia-diskimage-retrofit --beta --devmode root@dlp ~(keystone)# cd /var/snap/octavia-diskimage-retrofit/common/tmp root@dlp tmp(keystone)# wget https://cloud-images.ubuntu.com/minimal/releases/focal/release/ubuntu-20.04-minimal-cloudimg-amd64.img root@dlp tmp(keystone)# octavia-diskimage-retrofit ubuntu-20.04-minimal-cloudimg-amd64.img ubuntu-amphora-haproxy-amd64.qcow2
# add to Glance root@dlp ~(keystone)# openstack image create "Amphora" --tag "Amphora" --file ubuntu-amphora-haproxy-amd64.qcow2 --disk-format qcow2 --container-format bare --private --project service
# add [flavor] for Amphora instance root@dlp ~(keystone)# openstack flavor create --id 100 --vcpus 1 --ram 1024 --disk 5 m1.octavia --private --project service
# add a security group for Amphora instance root@dlp ~(keystone)# openstack security group create lb-mgmt-sec-group --project service
# allow required ports for security group root@dlp ~(keystone)# openstack security group rule create --protocol icmp --ingress lb-mgmt-sec-group root@dlp ~(keystone)# openstack security group rule create --protocol tcp --dst-port 22:22 lb-mgmt-sec-group root@dlp ~(keystone)# openstack security group rule create --protocol tcp --dst-port 80:80 lb-mgmt-sec-group root@dlp ~(keystone)# openstack security group rule create --protocol tcp --dst-port 443:443 lb-mgmt-sec-group root@dlp ~(keystone)# openstack security group rule create --protocol tcp --dst-port 9443:9443 lb-mgmt-sec-group |
| [2] | Configure Octavia service to set instance ID or security group ID. |
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root@network:~# openstack image list +--------------------------------------+------------+--------+ | ID | Name | Status | +--------------------------------------+------------+--------+ | 04111480-546d-4fdc-ab26-c18c042d1628 | Amphora | active | | ba8781c7-85ef-4872-957e-2c27b55275b2 | Ubuntu2004 | active | +--------------------------------------+------------+--------+root@network:~# openstack flavor list --all +-----+------------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +-----+------------+------+------+-----------+-------+-----------+ | 0 | m1.small | 2048 | 10 | 0 | 1 | True | | 100 | m1.octavia | 1024 | 5 | 0 | 1 | False | +-----+------------+------+------+-----------+-------+-----------+root@network:~# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 35816d4c-fa30-4901-8aa5-3749970fa706 | public | 694a93ec-762f-4c2e-b8f3-4f5aa72b631e | | a5d44a8a-4980-4c19-a53a-26af6aabd732 | private | 77ab8a8b-9cca-4f4a-90c6-a61f8a58f08d | +--------------------------------------+---------+--------------------------------------+root@network:~# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 3670f51e-db04-4ad6-9faa-be3112c7f981 | secgroup01 | secgroup01 | facc545a7f9e4218884c40169158a2dc | [] | | a8795258-9159-47a4-aa54-29e5c6504bb3 | default | Default security group | facc545a7f9e4218884c40169158a2dc | [] | | b44d9c65-d4c4-4c9d-9818-9deacadf1827 | lb-mgmt-sec-group | lb-mgmt-sec-group | 611e3ba8938b475fb9dd8124603f18d3 | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
root@network:~#
vi /etc/octavia/octavia.conf # add into [controller_worker] section
[controller_worker]
client_ca = /etc/octavia/certs/client_ca.cert.pem
amp_image_tag = Amphora
# specify [flavor] ID for Amphora instance
amp_flavor_id = 100
# specify security group ID Amphora instance
amp_secgroup_list = b44d9c65-d4c4-4c9d-9818-9deacadf1827
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = 35816d4c-fa30-4901-8aa5-3749970fa706
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
root@network:~# |
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