DNS LB Test compose

createpoints.rb

#!/usr/bin/env ruby

# Input is an ip address. Map it to a position in a list.
positioncount=0
linecount=0
indexes=Hash.new

STDIN.read.split("\n").each do |a|
   a=a.chomp
   if (! indexes.has_key?(a))
     indexes[a]=positioncount
     positioncount += 1
  end

  puts "#{linecount}\t#{indexes[a]}\n"
  linecount += 1
end

docker-compose.yml

version: "3.2"
networks:
  net1:

services:
  nginx:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-nginx:latest
    deploy:
      endpoint_mode: dnsrr
      replicas: 100
      restart_policy:
        condition: on-failure
    networks:
      net1:
       aliases:
         - ip
  ruby:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-ruby:latest
    depends_on:
      - nginx
    deploy:
      replicas: 1
      restart_policy:
        condition: none
    networks:
      - net1
  node:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-node:latest
    depends_on:
      - nginx
    deploy:
      replicas: 1
      restart_policy:
        condition: none
    networks:
      - net1
  python:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-python:latest
    depends_on:
      - nginx
    deploy:
      replicas: 1
      restart_policy:
        condition: none
    networks:
      - net1
  java:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-java:latest
    depends_on:
      - nginx
    deploy:
      replicas: 1
      restart_policy:
        condition: none
    networks:
      - net1
  php:
    # replace username/repo:tag with your name and image details
    image: jhmartin/iptest-php:latest
    depends_on:
      - nginx
    deploy:
      replicas: 1
      restart_policy:
        condition: none
    networks:
      - net1

gnuplot.script

set term png

set title "Ruby Simple LB"
plot "ruby.SIMPLE.dat"

set output "ruby.persist.png
plot "ruby.PERSIST.dat"

set output "python.simple.png"
plot "python.SIMPLE.dat"

set output "python.persist.png"
plot "python.PERSIST.dat"

set output "java.simple.png"
plot "java.SIMPLE.dat"

set output "java.persist.png"
plot "java.PERSIST.dat"

set output "php.simple.png"
plot "php.SIMPLE.dat"

set output "php.persist.png"
plot "php.PERSIST.dat"

set output "node.simple.png"
plot "node.SIMPLE.dat"

set output "node.persist.png"
plot "node.PERSIST.dat"