Setup request generator for eucaconsole for scale testing. Each instance in scaling group generates 100 users sessions.

reqgen-scale.cfn

{
  "AWSTemplateFormatVersion" : "2010-09-09",

  "Description" : "Deploy request generator for console with Autoscaling.",

  "Parameters" : {
    "ImageId" : {
      "Description" : "The ID of the image to use for the console",
      "Type" : "String",
      "ConstraintDescription" : "Must be the ID of a CentOS 7 image on the cloud."
    },
    "InstanceType" : {
      "Description" : "WebServer EC2 instance type",
      "Type" : "String",
      "Default" : "m1.medium",
      "ConstraintDescription" : "must be a valid EC2 instance type."
    },

    "KeyName" : {
      "Description" : "The EC2 Key Pair to allow SSH access to the instances",
      "Type" : "AWS::EC2::KeyPair::KeyName",
      "ConstraintDescription" : "must be the name of an existing EC2 KeyPair."
    },
      
    "SSHLocation" : {
      "Description" : "The IP address range that can be used to SSH to the EC2 instances",
      "Type": "String",
      "MinLength": "9",
      "MaxLength": "18",
      "Default": "0.0.0.0/0",
      "AllowedPattern": "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
      "ConstraintDescription": "must be a valid IP CIDR range of the form x.x.x.x/x."
    },
    "ConsoleFQDN" : {
      "Description" : "The FQDN name of the console ELB",
      "Type" : "String",
      "ConstraintDescription" : "Must be either an IP address or DNS name resolvable and reachable from this cloud."
    }
  },

  "Resources" : {
    "ReqgenScalingGroup" : {
      "Type" : "AWS::AutoScaling::AutoScalingGroup",
      "Properties" : {
        "AvailabilityZones" : { "Fn::GetAZs" : ""},
        "LaunchConfigurationName" : { "Ref" : "ReqgenLaunchConfig" },
        "MinSize" : "1",
        "DesiredSize" : "1",
        "MaxSize" : "3"
      }
    },

    "ReqgenLaunchConfig" : {
      "Type" : "AWS::AutoScaling::LaunchConfiguration",
      "Properties" : {
        "KeyName" : { "Ref" : "KeyName" },
        "ImageId" : { "Ref" : "ImageId" },
        "SecurityGroups" : [ { "Ref" : "ReqgenSecurityGroup" } ],
        "InstanceType" : { "Ref" : "InstanceType" },
        "UserData"       : { "Fn::Base64" : { "Fn::Join" : ["", [
            "#cloud-config\n",
            "# vim: syntax=yaml\n",
            "#\n",
            "# This config installs the eucalyptus and epel repos, then installs and\n",
            "# configures the request generator\n",
            "runcmd:\n",
            " - [ yum, -y, install, wget, python-pip ]\n",
            " - [ pip, install, requests, cachecontrol, beautifulsoup4 ]\n",
            " - [ pip, install, --upgrade, urllib3, requests ]\n",
            " - [ wget, 'https://raw.githubusercontent.com/eucalyptus/eucaconsole/master/tests/reqgenerator/reqgenerator.py' ]\n",
            " - [ chmod, 555, reqgenerator.py ]\n",
            " - [ python, reqgenerator.py, 'https://",
            { "Ref" : "ConsoleFQDN" },
            "/', 100, 9999, '>/var/log/reqgen.log' ]\n"
        ]]}}
      }
    },

    "ReqgenSecurityGroup" : {
      "Type" : "AWS::EC2::SecurityGroup",
      "Properties" : {
        "GroupDescription" : "Enable SSH access",
        "SecurityGroupIngress" : [ {
          "IpProtocol" : "tcp",
          "FromPort" : "22",
          "ToPort" : "22",
          "CidrIp" : { "Ref" : "SSHLocation"}
        } ]
      }
    }
  }
}