OpenStack Yoga : Create LoadBalancer Image2022/06/02 |
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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 httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API Cinder API | | Cinder Volume | | OVN Metadata Agent |
| | | 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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[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-yoga,powertools,epel -y install openstack-octavia-diskimage-create debootstrap python3-octaviaclient # create an instance image [root@dlp ~(keystone)]# octavia-diskimage-create.sh -d focal
# add to Glance [root@dlp ~(keystone)]# openstack image create "Amphora" --tag "Amphora" --file amphora-x64-haproxy.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 | +--------------------------------------+-----------------+--------+ | 81e2bcae-8be2-4008-9df7-bdf022d75a4c | Amphora | active | | 7be5b7ab-36e8-43c7-95dd-34b4139a0e44 | CentOS-Stream-8 | 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 | +--------------------------------------+---------+--------------------------------------+ | 0c96d581-95f3-4e72-9626-d0a94407d0ec | public | e20328ce-a24a-4804-be39-88f18800526f | | 0f0af4c7-f2d1-4c13-b30c-4619ff33db0c | private | 748c0a25-c6d8-48fd-829e-8b15783b7f8a | +--------------------------------------+---------+--------------------------------------+[root@network ~]# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 1cf20194-28dd-4256-b1a2-8abc3b537c11 | lb-mgmt-sec-group | lb-mgmt-sec-group | 8787527217494c6a87dd5a3b68dce1ef | [] | | 78a872a1-e325-4a8d-b9a2-1ef6661a354c | secgroup01 | secgroup01 | 3d85d1e79d654b3dade01eb5bfbf0679 | [] | | af3c2eee-b1cc-4103-8c14-4f9bf7018297 | default | Default security group | 0609d3b3b398456187fb705ec9224c4a | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
[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 = 1cf20194-28dd-4256-b1a2-8abc3b537c11
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = 0c96d581-95f3-4e72-9626-d0a94407d0ec
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
[root@network ~]# |
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