How to set a Virtual IP in Vagrant?

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As this architecture example, it needs 5 servers, a virtual IP to connect to the cluster.

https://i.redd.it/23bnddnl8y141.gif

Now want to use Vagrant to create servers on VMs. Here is the \`Vagrantfile\`:

Vagrant.configure("2") do |config|
config.vm.box = "centos/7"

config.vm.define "db-primary" do |c|
c.vm.network "public_network", ip: "13.24.35.1"
c.vm.network :forwarded_port, host: 5432, guest: 5432, protocol: "tcp", auto_correct: true
end

config.vm.define "db-standby" do |c|
c.vm.network "public_network", ip: "13.24.35.2"
c.vm.network :forwarded_port, host: 5432, guest: 5432, protocol: "tcp", auto_correct: true
end

config.vm.define "pgpool1" do |c|
c.vm.network "public_network", ip: "13.24.35.3"
c.vm.network :forwarded_port, host: 9999, guest: 9999, protocol: "tcp", auto_correct: true
end

config.vm.define "pgpool2" do |c|
c.vm.network "public_network", ip: "13.24.35.4"
c.vm.network :forwarded_port, host: 9999, guest: 9999, protocol: "tcp", auto_correct: true
end

config.vm.define "pgpool3" do |c|
c.vm.network "public_network", ip: "13.24.35.5"
c.vm.network :forwarded_port, host: 9999, guest: 9999, protocol: "tcp", auto_correct: true
end
end

Is it to set a \`private\_network\` as below to the \`pgpool\` server? If it is, all of them are necessary?

c.vm.network "private_network", ip: "13.24.35.153"

Or create a new server to set this IP as virtual IP?

1 thought on “How to set a Virtual IP in Vagrant?”

  1. My Vagrant exposes one private IP on port 80 and then Nginx handles all the hostnames in config files. I have about 10 apps running on my VM all with different hostnames.

    My hosts file (Windows host) contains all my hostnames and they all point to the VM’s exposed IP.

    The apps on the VM can all see each other as if they were on the internet. That is, site1.test can make an http call to site3.test.

    Vagrantfile:

    #network
    config.vm.network “private_network”, ip: “172.12.34.56”
    # note: specify id: ssh to prevent vagrant also creating its own port 22 mapping
    config.vm.network “forwarded_port”, guest: 22, host: 2222, id: “ssh”
    # mysql
    config.vm.network “forwarded_port”, guest: 3306, host: 3422

    Windows Hosts file:

    # vagrant ip
    172.12.34.56 site1.test
    172.12.34.56 site2.test
    172.12.34.56 site3.test

    You might not be using Nginx but in case you are, I have a config file for each hostname, example:

    server {

    listen 80;
    listen [::]:80;

    server_name site1.test;

    root /websites/site1.test/public;

    index index.html;

    location / {

    try_files $uri $uri/ /index.html;

    }

    }

    But I’m sure the same idea works with Apache, et al.

    Reply

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