Chapter 12. Creating availability zones for load balancing of network traffic at the edge

Procedure

1. Access the remote shell for the OpenStackClient pod from your workstation:

   $ oc rsh -n openstack openstackclient

2. Gather the names of the Compute service AZs that you will use for your Load-balancing service AZs.

   Tip

   Naming your Load-balancing service AZs to match the names of your Compute service AZs can facilitate AZ management.

   $ openstack availability zone list --compute

   Sample output

   +-----------+-------------+
   | Zone Name | Zone Status |
   +-----------+-------------+
   | az0       | available   |
   | az1       | available   |
   | az2       | available   |
   | internal  | available   |
   +-----------+-------------+

3. Gather the IDs for the management networks that you will use to create your Load-balancing service AZs:

   $ openstack network list -c Name -c ID

   Sample output

   +--------------------------------------+----------------------+
   | ID                                   | Name                 |
   +--------------------------------------+----------------------+
   | 0947ddcf-d9be-4b8c-94a1-be3852e5d905 | dcn2-public          |
   | 4f35cb1c-69d7-4582-b3a5-0cf380c56f62 | dcn1-public          |
   | 55e761de-ef4c-4a5c-8198-89d20a06eca3 | lb-mgmt-az2-net      |
   | a1894c48-823c-4def-bb6f-e9b7ec4d0c0a | public               |
   | bf72ef9b-e0f1-4d4e-a8b5-7f5bb036a275 | lb-mgmt-az1-net      |
   | ff8f3153-a74b-499c-a850-947ad199fc6d | octavia-provider-net |
   +--------------------------------------+----------------------+

   Note

   Ensure that you know which networks are valid for creating VIPs for your site.

4. Create an AZ profile:

   $ openstack loadbalancer availabilityzoneprofile create \
   --name <AZ_profile_name> --provider amphora --availability-zone-data \
   '{"compute_zone": "<compute_AZ_name>","management_network": \
   "<lb_mgmt_AZ_net_UUID>", "valid_vip_networks": ["<valid_AZ_VIP_net_UUID>"]}'

   • Replace <AZ_profile_name> with the name of the AZ profile that you are creating.
   • Replace <compute_AZ_name> with the name of the Compute AZ where you are creating the AZ profile.
   • Replace <lb_mgmt_AZ_net_UUID> with the ID of the management network available to the AZ that will be created.

   • (Optional) replace <valid_AZ_VIP_net_UUID> with the network ID that is allowed for VIP use. Use valid_vip_networks if you want to restrict the networks available for VIPs in this AZ.

     Example - create profile for az0

     In this example, an AZ profile (az0_profile) is created that uses the management network (lb-mgmt-net) on a Compute node that runs in the Compute AZ (az0):

     $ openstack loadbalancer availabilityzoneprofile create \
     --name az0_profile --provider amphora --availability-zone-data \
     '{"compute_zone": "az0","management_network": \
     "662a94f5-51eb-4a4c-86c4-52dcbf471ef9"}'

5. Repeat step 4 to create an AZ profile for each Load-balancing service AZ that you want to create.

   Example - create profile for az1

   In this example, an AZ profile (az1-profile) is created that uses the management network (lb-mgmt-az1-net) on a Compute node that runs in the Compute AZ (az1):

   $ openstack loadbalancer availabilityzoneprofile create \
   --name az1-profile --provider amphora --availability-zone-data \
   '{"compute-zone": "az1","management-network": \
   "a2884aaf-846c-4936-9982-3083f6a71d9b"}'

   Example - create profile for az2

   In this example, an AZ profile (az2-profile) is created that uses the management network (lb-mgmt-az2-net) on a Compute node that runs in the Compute AZ (az2):

   $ openstack loadbalancer availabilityzoneprofile create \
   --name az2-profile --provider amphora --availability-zone-data \
   '{"compute-zone": "az2","management-network": \
   "10458d6b-e7c9-436f-92d9-711677c9d9fd"}'

6. Using the AZ profile, create a Load-balancing service AZ. Repeat this step for any additional AZs, using the appropriate profile for each AZ.

   Example - create AZ: az0

   In this example, a Load-balancing service AZ (az0) is created by using the AZ profile (az0-profile):

   $ openstack loadbalancer availabilityzone create --name az0 \
   --availabilityzoneprofile az0-profile \
   --description "AZ for Headquarters" --enable

   Example - create AZ: az1

   In this example, a Load-balancing service AZ (az1) is created by using the AZ profile (az1-profile):

   $ openstack loadbalancer availabilityzone create --name az1 \
   --availabilityzoneprofile az1-profile \
   --description "AZ for South Region" --enable

   Example - create AZ: az2

   In this example, a Load-balancing service AZ (az2) is created by using the AZ profile (az2-profile):

   $ openstack loadbalancer availabilityzone create --name az2 \
   --availabilityzoneprofile az2-profile \
   --description "AZ for North Region" --enable

Procedure

1. Confirm that the system OS_CLOUD variable is set for your cloud:

   $ echo $OS_CLOUD
   my_cloud

   Reset the variable if necessary:

   $ export OS_CLOUD=my_other_cloud

   As an alternative, you can specify the cloud name by adding the --os-cloud <cloud_name> option each time you run an openstack command.

2. To create a load balancer for a DCN environment, use the loadbalancer create command with the --availability-zone option and specify the appropriate AZ.

   Example

   For example, to create load balancer (lb1) on a public subnet (public_subnet) on availability zone (az1), you would enter the following command:

   $ openstack loadbalancer create --name lb1 --vip-subnet-id \
   public_subnet --availability-zone az1 --wait

3. Continue to create your load balancer by adding a listener, pool, health monitor, and load-balancer members.