heat/templates/PuppetMaster_Single_Instance.template

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

  "Description": "Sample template to bring up Puppet Master instance that can be used to bootstrap and manage Puppet Clients. The Puppet Master is populated from an embedded template that defines the set of applications to load. **WARNING** This template creates one or more Amazon EC2 instances. You will be billed for the AWS resources used if you create a stack from this template.",

  "Parameters" : {
    "InstanceType" : {
      "Description" : "WebServer EC2 instance type",
      "Type" : "String",
      "Default" : "m1.large",
      "AllowedValues" : [ "t1.micro","m1.small","m1.medium","m1.large","m1.xlarge","m2.xlarge","m2.2xlarge","m2.4xlarge","c1.medium","c1.xlarge","cc1.4xlarge","cc2.8xlarge","cg1.4xlarge"],
      "ConstraintDescription" : "must be a valid EC2 instance type."
    },
    "KeyName" : {
      "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the PuppetMaster",
      "Type" : "String"
    },
    "ContentManifest" : {
      "Default" : "/wordpress/: { include wordpress }",
      "Description" : "Manifest of roles to add to nodes.pp",
      "Type" : "String"
    },
    "ContentLocation" : {
      "Default" : "https://s3.amazonaws.com/cloudformation-examples/wordpress-puppet-config.tar.gz",
      "Description" : "Location of package (Zip, GZIP or Git repository URL) that includes the PuppetMaster content",
      "Type" : "String"
    },
    "LinuxDistribution": {
      "Default": "F17",
      "Description" : "Distribution of choice",
      "Type": "String",
      "AllowedValues" : [ "F16", "F17", "U10", "RHEL-6.1", "RHEL-6.2", "RHEL-6.3" ]
    }
  },
  "Mappings" : {
    "AWSInstanceType2Arch" : {
      "t1.micro"    : { "Arch" : "32" },
      "m1.small"    : { "Arch" : "32" },
      "m1.large"    : { "Arch" : "64" },
      "m1.xlarge"   : { "Arch" : "64" },
      "m2.xlarge"   : { "Arch" : "64" },
      "m2.2xlarge"  : { "Arch" : "64" },
      "m2.4xlarge"  : { "Arch" : "64" },
      "c1.medium"   : { "Arch" : "32" },
      "c1.xlarge"   : { "Arch" : "64" },
      "cc1.4xlarge" : { "Arch" : "64" }
    },
    "DistroArch2AMI": {
      "F16"      : { "32" : "F16-i386-cfntools", "64" : "F16-x86_64-cfntools" },
      "F17"      : { "32" : "F17-i386-cfntools", "64" : "F17-x86_64-cfntools" },
      "U10"      : { "32" : "U10-i386-cfntools", "64" : "U10-x86_64-cfntools" },
      "RHEL-6.1" : { "32" : "rhel61-i386-cfntools", "64" : "rhel61-x86_64-cfntools" },
      "RHEL-6.2" : { "32" : "rhel62-i386-cfntools", "64" : "rhel62-x86_64-cfntools" },
      "RHEL-6.3" : { "32" : "rhel63-i386-cfntools", "64" : "rhel63-x86_64-cfntools" }
    }
  },
  "Resources" : {
    "CFNInitUser" : {
      "Type" : "AWS::IAM::User",
      "Properties" : {
        "Policies": [{
          "PolicyName": "AccessForCFNInit",
          "PolicyDocument" : {
            "Statement": [{
              "Effect"   : "Allow",
              "Action"   : "cloudformation:DescribeStackResource",
              "Resource" : "*"
            }]
          }
        }]
      }
    },

    "CFNKeys" : {
      "Type" : "AWS::IAM::AccessKey",
      "Properties" : {
        "UserName" : { "Ref": "CFNInitUser" }
      }
    },

    "PuppetMasterInstance" : {
      "Type" : "AWS::EC2::Instance",
      "Metadata" : {
        "AWS::CloudFormation::Init" : {
          "config" : {
            "packages" : {
              "yum" : {
                "puppet"        : [],
                "puppet-server" : [],
                "ruby-devel"    : [],
                "gcc"           : [],
                "make"          : [],
                "rubygems"      : []
              },
              "rubygems" : {
                "json"          : []
              }
            },
            "sources" : {
              "/etc/puppet" : { "Ref" : "ContentLocation" }
            },
            "files" : {
              "/etc/yum.repos.d/epel.repo" : {
                "source" : "https://s3.amazonaws.com/cloudformation-examples/enable-epel-on-amazon-linux-ami",
                "mode"   : "000644",
                "owner"  : "root",
                "group"  : "root"
              },
              "/etc/puppet/autosign.conf" : {
                "content" : "*.internal\n",
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              },
              "/etc/puppet/fileserver.conf" : {
                "content" : "[modules]\n   allow *.internal\n",
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              },
              "/etc/puppet/puppet.conf" : {
                "content" : { "Fn::Join" : ["", [
                  "[main]\n",
                  "   logdir=/var/log/puppet\n",
                  "   rundir=/var/run/puppet\n",
                  "   ssldir=$vardir/ssl\n",
                  "   pluginsync=true\n",
                  "[agent]\n",
                  "   classfile=$vardir/classes.txt\n",
                  "   localconfig=$vardir/localconfig\n"]] },
                "mode"    : "000644",
                "owner"   : "root",
                "group"   : "root"
              },
              "/etc/puppet/modules/cfn/manifests/init.pp" : {
                "content" : "class cfn {}",
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              },
              "/etc/puppet/modules/cfn/lib/facter/cfn.rb" : {
                "source"  : "https://s3.amazonaws.com/cloudformation-examples/cfn-facter-plugin.rb",
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              },
              "/etc/puppet/manifests/nodes.pp" : {
                "content" : {"Fn::Join" : ["", [
                  "node basenode {\n",
                  "  include cfn\n",
                  "}\n",
                  "node /^.*internal$/ inherits basenode {\n",
                  "  case $cfn_roles {\n",
                  "    ", { "Ref" : "ContentManifest" }, "\n",
                  "  }\n",
                  "}\n"]]},
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              },
              "/etc/puppet/manifests/site.pp" : {
                "content" : "import \"nodes\"\n",
                "mode"    : "100644",
                "owner"   : "root",
                "group"   : "wheel"
              }
            },
            "services" : {
              "sysvinit" : {
                "puppetmaster" : {
                  "enabled" : "true",
                  "ensureRunning" : "true"
                }
              }
            }
          }
        }
      },
      "Properties" : {
        "InstanceType" : { "Ref" : "InstanceType" },
        "SecurityGroups" : [ { "Ref" : "PuppetGroup" } ],
        "ImageId" : { "Fn::FindInMap" : [ "DistroArch2AMI", { "Ref" : "LinuxDistribution" },
                    { "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
        "KeyName" : { "Ref" : "KeyName" },
        "UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
          "#!/bin/bash\n",
          "yum update -y aws-cfn-bootstrap\n",

          "/opt/aws/bin/cfn-init --region ", { "Ref" : "AWS::Region" },
          "    -s ", { "Ref" : "AWS::StackName" }, " -r PuppetMasterInstance ",
          "    --access-key ", { "Ref" : "CFNKeys" },
          "    --secret-key ", { "Fn::GetAtt" : ["CFNKeys", "SecretAccessKey"]}, "\n",
          "/opt/aws/bin/cfn-signal -e $? '", { "Ref" : "PuppetMasterWaitHandle" }, "'\n"]]}}
      }
    },

    "EC2SecurityGroup" : {
      "Type" : "AWS::EC2::SecurityGroup",
      "Properties" : {
        "GroupDescription" : "Group for clients to communicate with Puppet Master"
      }
    },

    "PuppetGroup" : {
      "Type" : "AWS::EC2::SecurityGroup",
      "Properties" : {
        "GroupDescription" : "Group for puppet communication",
        "SecurityGroupIngress" : [
          { "IpProtocol" : "tcp", "FromPort" : "8140", "ToPort" : "8140", "CidrIp": "0.0.0.0/0"},
          { "IpProtocol" : "tcp", "FromPort": "22", "ToPort": "22", "CidrIp": "0.0.0.0/0" }
        ]
      }
    },

    "PuppetMasterWaitHandle" : {
      "Type" : "AWS::CloudFormation::WaitConditionHandle"
    },

    "PuppetMasterWaitCondition" : {
      "Type" : "AWS::CloudFormation::WaitCondition",
      "DependsOn" : "PuppetMasterInstance",
      "Properties" : {
        "Handle" : { "Ref" : "PuppetMasterWaitHandle" },
        "Timeout" : "600"
      }
    }
  },

  "Outputs" : {
    "PuppetMasterDNSName" : {
      "Value" : { "Fn::GetAtt" : [ "PuppetMasterInstance", "PrivateDnsName" ] },
      "Description" : "DNS Name of PuppetMaster"
    },
    "PuppetClientSecurityGroup" : {
      "Value" : { "Ref" : "EC2SecurityGroup" },
      "Description" : "Clients of the Puppet Master should be part of this security group"
    }
  }
}