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basic-http.md

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Configure Octavia Loadbalancer Basic HTTP

Configuration Step

Instance

previously there were 2 instances running nginx services on private-net

openstack server list

+--------------------------------------+---------+--------+-----------------------------+------------------------------+--------+
| ID                                   | Name    | Status | Networks                    | Image                        | Flavor |
+--------------------------------------+---------+--------+-----------------------------+------------------------------+--------+
| b122eafc-69eb-43ef-9391-9d5c28491b58 | ubuntu1 | ACTIVE | private-net=192.168.100.167 | bionic-server-cloudimg-amd64 | small  |
| ca385bc8-646c-42d0-b96b-038996ac068e | ubuntu0 | ACTIVE | private-net=192.168.100.81  | bionic-server-cloudimg-amd64 | small  |
+--------------------------------------+---------+--------+-----------------------------+------------------------------+--------+

Create LoadBalancer

source user openrc file

source ~/kolla-install/bin/activate
source /etc/kolla/admin-openrc.sh

Create Loadbalancer

LB_VIP=$(openstack loadbalancer create --name lb1 --vip-subnet-id private-subnet | awk  '/ vip_address / {print $4}')

Create floating ip

openstack floating ip create --floating-ip-address 10.20.110.50 public-net

Associate floating ip to lb vip

openstack floating ip set --port $(openstack port list | grep $LB_VIP | cut -d '|' -f 3) 10.20.110.50

Create http lisneter

openstack loadbalancer listener create --name listener1 --protocol HTTP --protocol-port 80 lb1

Create pool

openstack loadbalancer pool create --name pool1 --lb-algorithm ROUND_ROBIN --listener listener1 --protocol HTTP

Create health monitor

openstack loadbalancer healthmonitor create --delay 5 --max-retries 3 --timeout 5 --type HTTP --url-path / pool1

Add Instance become pool member

openstack loadbalancer member create --subnet-id private-subnet --address 192.168.100.167 --protocol-port 80 pool1
openstack loadbalancer member create --subnet-id private-subnet --address 192.168.100.81 --protocol-port 80 pool1