OpenStack Yoga : Create LoadBalancer Image2022/04/12 |
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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 | +--------------------------------------+------------+--------+ | 23b9bc9a-174e-4afe-a068-c6bce4794894 | Amphora | active | | 53f6415a-1f98-485f-be0b-3f80edf523df | 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 | +--------------------------------------+---------+--------------------------------------+ | 8fd7472d-9182-4a17-aa35-984fb7fb059d | public | 99f81758-a8a8-4a25-8c20-a8c52f374815 | | b19c6ee5-26f7-4a98-8a8c-58a2e7637610 | private | 5d1edead-636e-4622-942a-bfd2347908e3 | +--------------------------------------+---------+--------------------------------------+root@network:~# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 7700ae88-1d7c-42ab-86b2-6a2fbb131fa0 | lb-mgmt-sec-group | lb-mgmt-sec-group | c043fb355eff47e69642adfcd7a55620 | [] | | b6ea27c2-5847-45a3-802e-5e537bf938a5 | default | Default security group | ddb7c08ba73a48eea040270d13a7b0cf | [] | | ce206948-825f-49ce-8388-3f96de3f78ab | secgroup01 | secgroup01 | d3434f55aa5541cfab5f13916da0697d | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
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 = 7700ae88-1d7c-42ab-86b2-6a2fbb131fa0
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = 8fd7472d-9182-4a17-aa35-984fb7fb059d
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
root@network:~# |
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