According to this cloudflare blog article "Load Balancing without Load Balancers", we can build a rock-solid load balancer only using a router. All the magic comes from BGP and Equal-Cost Multi-Path routing.
In this howto, I will use bird as BGP router on linux instance (ie. servers).
I use GNS3 with this architecture :
| Region | Launch |
|---|---|
| North Virginia (us-east-1) | [ ](https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/create/review?stackName=AWS- |
| package main | |
| // @lizrice, mostly copied from @doctor_julz: https://gist.github.com/julz/c0017fa7a40de0543001 | |
| import ( | |
| "fmt" | |
| "os" | |
| "os/exec" | |
| "syscall" | |
| ) |
| #!/bin/bash | |
| # You need to install overlayroot | |
| # sudo apt-get install overlayroot | |
| LANG=C | |
| set -e | |
| set -x |
| # When you're encountering following error. | |
| # > IOError: [Errno 2] No such file or directory: 'C:\\Users\\username\\AppData\\Local\\Temp\\_MEI502322\\openpyxl\\.constants.json' | |
| # | |
| # This solution tested under Python 2.7.10 and Pyinstaller 3.0. | |
| # | |
| # Put this file to your script folder. | |
| # Add this hook to your distribution by | |
| # > pyinstaller --onefile --additional-hooks-dir=. yourscript.py | |
| # | |
| from PyInstaller.utils.hooks import collect_data_files |