OpenStack Bobcat : Create LoadBalancer Image2023/10/09 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ dlp.srv.world ] | | [ network.srv.world ] | | [ node01.srv.world ] |
| (Control Node) | | (Network Node) | | (Compute Node) |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached Nginx | | Neutron Server | | Nova Compute |
| Keystone httpd | | OVN-Northd | | Open vSwitch |
| Glance Nova API | | Nginx iSCSI Target | | OVN Metadata Agent |
| Cinder API | | Cinder Volume | | OVN-Controller |
| | | Octavia Services | | |
+-----------------------+ +-----------------------+ +-----------------------+
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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 --edge --classic 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 2048 --disk 10 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 | +--------------------------------------+------------+--------+ | ce37ed50-60da-444a-8117-3c2e4b3948f1 | Amphora | active | | 2216b5ad-eeb5-4b9a-b862-60b84fdfee1c | Ubuntu2204 | active | +--------------------------------------+------------+--------+root@network:~# openstack flavor list --all +-----+------------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +-----+------------+------+------+-----------+-------+-----------+ | 1 | m1.small | 2048 | 10 | 0 | 1 | True | | 100 | m1.octavia | 2048 | 10 | 0 | 1 | False | | 2 | m1.medium | 4096 | 10 | 0 | 2 | True | | 3 | m1.large | 8192 | 10 | 0 | 4 | True | | 4 | m2.large | 8192 | 20 | 0 | 4 | True | +-----+------------+------+------+-----------+-------+-----------+root@network:~# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 1d42f5e1-1ff2-4f70-8c48-8c7f6eae0672 | public | c192082c-f107-4eed-aafc-6e30b604e283 | | 529ae54a-4bba-40a3-905d-2ca57557236a | private | e14c5e7d-41d0-4378-af0f-0993c4389593 | +--------------------------------------+---------+--------------------------------------+root@network:~# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 3aa42f6a-96b6-41c8-a767-fd8c8208bd3d | lb-mgmt-sec-group | lb-mgmt-sec-group | 04b6d7802d9043cbb09ceb31fd68987b | [] | | 6419ddb0-1d7b-4eae-9060-ab8038dc7978 | secgroup01 | secgroup01 | f30cd546632e484cb24414d83207694b | [] | | d9bee5f6-7d72-4550-8bfc-e776572c163b | default | Default security group | f30cd546632e484cb24414d83207694b | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
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 for Amphora instance
amp_secgroup_list = 3aa42f6a-96b6-41c8-a767-fd8c8208bd3d
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = 1d42f5e1-1ff2-4f70-8c48-8c7f6eae0672
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
root@network:~# |
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