OpenStack Zed : Create LoadBalancer Image2023/06/30 |
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Install and Configure OpenStack Load Balancing as a Service (Octavia).
This example is based on the environment like follows.
------------+--------------------------+--------------------------+------------
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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 | | Neutron L2/L3 Agent | | Libvirt |
| Memcached Nginx | | Neutron Metadata | | Nova Compute |
| Keystone httpd | | Open vSwitch | | Neutron L2 Agent |
| Glance Nova API | | iSCSI Target | | Open vSwitch |
| Neutron Server | | Cinder Volume | | |
| Neutron Metadata | | Octavia Services | | |
| Cinder API | | Nginx | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | |
| [2] | 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 1024 --disk 10 m1.octavia --private --project service
root@dlp ~(keystone)#
vi /etc/neutron/policy.d/00_default_policy.yaml # line 2274 : add "create_security_group": "(rule:admin_only) or (role:member and project_id:%(project_id)s)"
# line 2286 : add "get_security_group": "(rule:admin_only) or (role:reader and project_id:%(project_id)s)"
root@dlp ~(keystone)#
systemctl restart neutron-api
# 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 |
| [3] | Configure Octavia service to set instance ID or security group ID. |
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root@network:~# openstack image list +--------------------------------------+----------+--------+ | ID | Name | Status | +--------------------------------------+----------+--------+ | 7efb3209-163c-4db8-a689-5fd97294393f | Amphora | active | | 3a660af6-3f41-4c0f-b2a8-55127dfc3c60 | Debian12 | 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 | 1024 | 10 | 0 | 1 | False | | 2 | m1.medium | 4096 | 10 | 0 | 2 | True | | 3 | m1.large | 8192 | 10 | 0 | 4 | True | | 4 | m2.large | 8192 | 10 | 10 | 4 | True | | 5 | m3.large | 8192 | 20 | 0 | 4 | True | +-----+------------+------+------+-----------+-------+-----------+root@network:~# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | ae5fdb1f-efb9-412b-9053-b81106c90336 | private | b3234f3f-b3e3-41d2-b3a4-ca3d4ec55d24 | | b9b8536b-0696-4a5b-af05-602587435c0a | public | 0129c597-e411-450e-a4f9-b387c68eddb3 | +--------------------------------------+---------+--------------------------------------+root@network:~# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 57494e22-5023-4ff4-b09d-d71f9b9d96ae | default | Default security group | d8b09d86ed7743039f92b2e542ea26c1 | [] | | 5b01bb91-a6a0-4516-81bd-7af66f087ee2 | lb-mgmt-sec-group | lb-mgmt-sec-group | d8b09d86ed7743039f92b2e542ea26c1 | [] | | bd1040a7-caab-477e-a1bb-add49bb8f16a | secgroup01 | secgroup01 | 1c2f5dc8c4f9494fbaaa4217c8e3585a | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
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 = 5b01bb91-a6a0-4516-81bd-7af66f087ee2
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = b9b8536b-0696-4a5b-af05-602587435c0a
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
root@network:~# |
| [4] | On all Compute Node, Install required packages. |
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root@node01:~# apt -y install genisoimage
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