AWS EC2 Service Discovery with HAProxy

blog20210720-01.bash

$ ssh -i ~/MyKeyPair.pem ubuntu@<public_ip_of_instance>

blog20210720-02.bash

$ sudo nano /etc/hapee-2.2/hapee-lb.cfg 

blog20210720-03.cfg

 userlist hapee-dataplaneapi
   user admin insecure-password adminpwd

blog20210720-04.bash

$ sudo apt install -y whois
$ mkpasswd -m sha-256 mypassword

# encrypted password:
# $5$sj7aJ5nSSX1693nT$IVBQYoexyD2qaTeMOTym6evFqHRN9289gIw9UyAHKp5

blog20210720-05.cfg

userlist hapee-dataplaneapi
  user admin password $5$sj7aJ5nSSX1693nT$IVBQYoexyD2qaTeMOTym6evFqHRN9289gIw9UyAHKp5

blog20210720-06.bash

$ sudo systemctl restart hapee-2.2-lb

blog20210720-07.bash

$ curl -H 'Content-Type: application/json'        -u admin:adminpwd        -d        '{
         "access_key_id":"AKIAXXXXXXXXXXXXXXXX",
         "secret_access_key":"ZGSNXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
         "description":"AWS EC2 Production Environment",
         "enabled":true,
         "ipv4_address":"private",
         "name":"www",
         "region":"us-east-1",
         "retry_timeout":10}' http://127.0.0.1:5555/v2/service_discovery/aws

blog20210720-08.json

{
  "access_key_id": "AKIAXXXXXXXXXXXXXXXX",
  "allowlist": null,
  "denylist": null,
  "description": "AWS EC2 Production Environment",
  "enabled": true,
  "id": "ffdf439e-a947-4401-a0db-6f7cb3ac3c40",
  "ipv4_address": "private",
  "name": "www",
  "region": "us-east-1",
  "retry_timeout": 10,
  "secret_access_key": "ZGSNXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
  "server_slots_base": 10,
  "server_slots_growth_type": "exponential"
}

blog20210720-09.cfg

backend aws-us-east-1-www-API-80
  server SRV_4vhrR 172.31.0.70:80 check weight 128
  server SRV_jOEoa 127.0.0.1:80 disabled weight 128
  server SRV_tce8j 127.0.0.1:80 disabled weight 128
  server SRV_njnGf 127.0.0.1:80 disabled weight 128
  server SRV_R0V1R 127.0.0.1:80 disabled weight 128
  server SRV_Bc83k 127.0.0.1:80 disabled weight 128
  server SRV_mnkyy 127.0.0.1:80 disabled weight 128
  server SRV_zMQ6S 127.0.0.1:80 disabled weight 128
  server SRV_MowJa 127.0.0.1:80 disabled weight 128
  server SRV_4oEP4 127.0.0.1:80 disabled weight 128

blog20210720-10.cfg

frontend public_web_servers
   mode http
   log global
   timeout client
   bind *:80
   default_backend aws-us-east-1-www-API-80

blog20210720-11.bash

$ sudo systemctl reload hapee-2.2-lb