OpenStack Bobcat : Create LoadBalancer Image2023/10/26 |
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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-bobcat,epel,crb -y install openstack-octavia-diskimage-create debootstrap python3-octaviaclient # create an instance image [root@dlp ~(keystone)]# octavia-diskimage-create.sh -d jammy
# 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 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 | +--------------------------------------+----------------+--------+ | c7a95d3a-e548-4fb5-b53b-18deaaa00dda | Amphora | active | | bcbaa323-2438-4f5e-9473-49f633bb8f9b | CentOS-Stream9 | 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 | 10 | 10 | 4 | True | | 5 | m3.large | 8192 | 50 | 0 | 4 | True | +-----+------------+------+------+-----------+-------+-----------+[root@network ~]# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 1245127b-0e5c-49c1-8638-de9d51c34949 | private | 88416326-c3b5-4e6f-bf53-71a77c213721 | | 44e70c99-2e15-429b-9dcc-cccaac557c0c | public | fac5715e-35f6-4007-9e8f-edffb2629eeb | +--------------------------------------+---------+--------------------------------------+[root@network ~]# openstack security group list +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | ID | Name | Description | Project | Tags | +--------------------------------------+-------------------+------------------------+----------------------------------+------+ | c010e24a-9e26-49e4-a227-fe7aca992e6b | default | Default security group | f4598dfd3b8a47149234b6892d18d5a4 | [] | | dc3d3b71-6ee0-487f-9a49-805a41a8184f | lb-mgmt-sec-group | lb-mgmt-sec-group | 5d97881520b34e6bbf1f15e778c82fe4 | [] | | ecd3c28c-564d-45fa-8d62-64e57ce70b51 | secgroup01 | secgroup01 | f4598dfd3b8a47149234b6892d18d5a4 | [] | +--------------------------------------+-------------------+------------------------+----------------------------------+------+
[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 = dc3d3b71-6ee0-487f-9a49-805a41a8184f
# specify network ID to boot Amphora instance (example below specifies public network [public])
amp_boot_network_list = 44e70c99-2e15-429b-9dcc-cccaac557c0c
network_driver = allowed_address_pairs_driver
compute_driver = compute_nova_driver
amphora_driver = amphora_haproxy_rest_driver
[root@network ~]# |
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