To provide a demonstration of HAProxy.
Default proxies in round-robin.
Please be sure that you install these software.
VirtualBox
Vagrant
# git clone https://github.com/demiglacesource/vagrant-haproxy.git && cd vagrant-haproxy
# vagrant up
# vagrant ssh haproxy
# curl http://localhost
<h1>101</h1>
or
<h1>102</h1>
vagrant-haproxy is made up of multiple machines.
HAProxy on CentOS7
Apache on CentOS7 * $num_instances variable (Vagrantfile)
If you want to run a "vagrant ssh", you would enter the following.
# vagrant ssh haproxy
or
# vagrant ssh web-01 (02, 03, ...)
I use the following private ip.
HAProxy is 192.168.50.10.
Apache is 192.168.50.101, 102, 103, ...
| Guest machine | Service port |
|---|---|
| haproxy | 80 |
| web-0n | 80 |