foremanscraper.rb

#!/usr/bin/env ruby
require 'yaml'
require 'syslog'
require 'net/https'
 
FOREMAN = 'http://foreman.server.org'
MASTER  = 'puppet.master.org'
RAKEAPI = "ssh #{MASTER} /opt/puppet/bin/rake -f /opt/puppet/share/puppet-dashboard/Rakefile RAILS_ENV=production node:add['%name',,'%classes']"
GITROOT = '/var/repos'

event, host      = ARGV
uri              = URI.parse("#{FOREMAN}/#{host}")
http             = Net::HTTP.new(uri.host, uri.port)
http.use_ssl     = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

ENV['HOME'] = '/root'
ENV['PATH'] = '/sbin:/usr/sbin:/bin:/usr/bin:/opt/puppet/bin'

begin
  request = Net::HTTP::Get.new(uri.request_uri)
  request['Accept'] = 'text/yaml'
  
  encdata = YAML.load(http.request(request).body)
  name    = encdata['name']
  env     = encdata['environment']
  classes = encdata['classes'].join(',')
  command = RAKEAPI.gsub(/%\w+/, { '%name' => name, '%classes' => classes })
  
  system(command)
  
  File.open ( "#{GITROOT}/host/#{name}.yaml", "w" ) do |f|
    hieradata = {
      'target_ipaddress' => encdata['parameters']['target_ipaddress'], # or wherever you want ze infos to come from
      'target_hostname'  => encdata['parameters']['target_hostname'],
    }
    f.write(hieradata.to_yaml)
  }

  # if you decide to allow this to deploy to a given environment
  # if so, remember to change the push below to push that environment branch
  #system("git --git-dir #{GITROOT} checkout #{env}")
  
  system("git --git-dir #{GITROOT} add host/#{name}.yaml")
  system("git --git-dir #{GITROOT} commit -m 'Provisioned new host: #{name}'")
  # you may end up having to pass -f to force. I don't think so
  system("git --git-dir #{GITROOT} push origin master")

rescue Exception => e
  Syslog.open('Foreman Scraper', Syslog::LOG_PID | Syslog::LOG_CONS) do |syslog|
    syslog.warning "Configuration error for '#{ARGV.first}': #{e.message}"
  end
end