OpenStack Caracal : Create LoadBalancer Image2024/08/07 |
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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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[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-caracal,epel,crb -y install openstack-octavia-diskimage-create debootstrap python3-octaviaclient # create an instance image [root@dlp ~(keystone)]# octavia-diskimage-create.sh -i centos-minimal
# 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 2 --ram 4096 --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 | +--------------------------------------+----------------+--------+ | 6de68e08-7e2c-4bff-9d9c-276e4cf1a463 | Amphora | active | | cfa9783d-ca91-4e3b-8016-81e3336bd5f0 | CentOS-Stream9 | active | +--------------------------------------+----------------+--------+[root@network ~]# openstack flavor list --all +-----+------------+-------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +-----+------------+-------+------+-----------+-------+-----------+ | 1 | m1.tiny | 2048 | 10 | 0 | 1 | True | | 100 | m1.octavia | 4096 | 5 | 0 | 2 | False | | 2 | m1.small | 4096 | 10 | 0 | 2 | True | | 3 | m1.medium | 8192 | 10 | 0 | 4 | True | | 4 | m1.large | 16384 | 10 | 0 | 8 | True | | 5 | m2.large | 16384 | 10 | 10 | 8 | True | +-----+------------+-------+------+-----------+-------+-----------+[root@network ~]# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 5bf02aae-1fef-4303-937a-74b8412bf90a | private | e32f2074-d33b-4b13-9605-1a29301f93a1 | | cedf14f5-e8ef-4577-a226-022f289f45fb | public | c8fcf916-a102-412a-8809-92f31bd3955e | +--------------------------------------+---------+--------------------------------------+[root@network ~]# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | 4e39f99e-94b3-4c0f-a6b0-81d3df64b24a | lb-mgmt-sec-group | lb-mgmt-sec-group | 0b826f1bf49d489494e94badc32f2cea | [] | | 5804af26-2f58-4b17-a20d-85ed2f33cd8b | secgroup01 | secgroup01 | 03a31c43ede44dcbaacb05c870920e81 | [] | | f0d87e31-e359-449a-a53b-df3ceb704fca | default | Default security group | b62e60c6d4b7406a90eee2f2d9c45917 | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
[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 = 4e39f99e-94b3-4c0f-a6b0-81d3df64b24a
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = cedf14f5-e8ef-4577-a226-022f289f45fb
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
[root@network ~]# |
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