CloudFormation bootstraping for puppet

bootstrap_cfn-init.bash

# 1) set up EPEL
rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# 2) install some dependencies
yum install -y pystache python-daemon python-lockfile
# 3) install aws-cfn-bootstrap
rpm -Uvh http://yum_server.example.com/yum/noarch/aws-cfn-bootstrap-1.4-8.3.el6.noarch.rpm

# 4) run cfn-init or signal error
/opt/aws/bin/cfn-init --region <Region> -s <StackId> -r db1 || /opt/aws/bin/cfn-signal -e 1 -r 'Failed to initialize server role using cfn-init' '<WaitHandle>'

# 5) signal success
/opt/aws/bin/cfn-signal -e $? '<WaitHandle>'

cloud-config_set_hostname.yaml

#cloud-config
hostname: hostname
fqdn: hostname.example.com
manage_etc_hosts: true

cloud-config_use_ephemeral_as_swap.yaml

#cloud-config
mounts:
- ["ephemeral0","none","swap","sw","0","0"]

initialize_swap_partition_bootcmd.bash

# 0) run bootcmds
mkswap /dev/xvdb
swapon /dev/xvdb

metadata.json

{
  "AWS::CloudFormation::Init" : {
    "config" : {
      "packages" : {
        "rpm" : {
          "puppetlabs" : "https://yum.puppetlabs.com/puppetlabs-release-el-6.noarch.rpm"
        },
        "yum" : {
          "gcc" : [],
          "make" : [],
          "puppet" : [],
          "ruby-devel" : [],
          "rubygems" : []
        },
        "rubygems" : {
          "json" : []
        }
      },
      "files" : {
        "/etc/puppet/puppet.conf" : {
          "content" : "[main]\n   logdir=/var/log/puppet\n   rundir=/var/run/puppet\n   ssldir=$vardir/ssl\n   pluginsync=true\n   environment=production\n[agent]\n   classfile=$vardir/classes.txt\n   localconfig=$vardir/localconfig\n   server=puppet.dev.trinet.com\n",
          "group" : "root",
          "mode" : "000644",
          "owner" : "root"
        }
      },
      "commands" : {
        "00_enable_puppet" : {
          "command" : "/usr/bin/puppet agent --enable"
        },
        "01_puppet" : {
          "command" : "/usr/bin/puppet agent --onetime --verbose --ignorecache --no-daemonize --no-usecacheonfailure --no-splay --show_diff"
        },
        "02_puppet" : {
          "command" : "/usr/bin/puppet agent --onetime --verbose --ignorecache --no-daemonize --no-usecacheonfailure --no-splay --show_diff"
        }
      },
      "services" : {
        "sysvinit" : {
          "puppet" : {
            "enabled" : "true",
            "ensureRunning" : "true"
          }
        }
      }
    }
  },
  "Puppet" : {
    "some_var" : "some_value"
  }
}

multpart_userdata.txt

Content-Type: multipart/mixed; boundary="----------=_1419033947-57534-0"
MIME-Version: 1.0

------------=_1419033947-57534-0
Content-Disposition: inline
Content-Transfer-Encoding: binary
Content-Type: text/cloud-config

<CLOUD CONFIG GOES HERE>
------------=_1419033947-57534-0
Content-Disposition: inline
Content-Transfer-Encoding: binary
Content-Type: text/x-shellscript

<BASH SCRIPT GOES HERE>
------------=_1419033947-57534-0--