Class: Mccloud::Provisioner::Puppet

Inherits:
Object
  • Object
show all
Defined in:
lib/mccloud/provisioner/puppet.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Puppet

Returns a new instance of Puppet.



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# File 'lib/mccloud/provisioner/puppet.rb', line 21

def initialize(env)
  @env=env
  @manifest_file = nil
  @manifests_path = "manifests"
  @module_paths = []
  @pp_path = "/tmp/mccloud-puppet"
  @name="puppet"
  @options = []
  @remote_environment={}
end

Instance Attribute Details

#env ⇒ Object

Returns the value of attribute env.



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# File 'lib/mccloud/provisioner/puppet.rb', line 10

def env
  @env
end

#manifest_file ⇒ Object

Returns the value of attribute manifest_file.



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# File 'lib/mccloud/provisioner/puppet.rb', line 12

def manifest_file
  @manifest_file
end

#manifests_path ⇒ Object

Returns the value of attribute manifests_path.



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# File 'lib/mccloud/provisioner/puppet.rb', line 13

def manifests_path
  @manifests_path
end

#module_path ⇒ Object

Returns the value of attribute module_path.



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# File 'lib/mccloud/provisioner/puppet.rb', line 14

def module_path
  @module_path
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/mccloud/provisioner/puppet.rb', line 9

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/mccloud/provisioner/puppet.rb', line 16

def options
  @options
end

#pp_path ⇒ Object

Returns the value of attribute pp_path.



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# File 'lib/mccloud/provisioner/puppet.rb', line 15

def pp_path
  @pp_path
end

#remote_environment ⇒ Object

Returns the value of attribute remote_environment.



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# File 'lib/mccloud/provisioner/puppet.rb', line 17

def remote_environment
  @remote_environment
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/mccloud/provisioner/puppet.rb', line 19

def server
  @server
end

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 165

def cleanup
end

#erbify(filename) ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 136

def erbify(filename)

  # Fill the array to pass to the ERB
  public_ips=Hash.new
  private_ips=Hash.new
  server.provider.vms.each do |name,vm|
    public_ips[name] = vm.public_ip_address
    private_ips[name] = vm.private_ip_address
  end

  data = { :public_ips => public_ips, :private_ips => private_ips}
  vars = ErbBinding.new(data)

  template = File.read(filename)
  erb = ERB.new(template)

  vars_binding = vars.send(:get_binding)
  result=erb.result(vars_binding)
  return result

end

#expanded_manifests_path ⇒ Object

Returns the manifests path expanded relative to the root path of the environment.



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# File 'lib/mccloud/provisioner/puppet.rb', line 34

def expanded_manifests_path
  Pathname.new(manifests_path).expand_path(env.root_path)
end

#expanded_manifests_paths ⇒ Object

Returns the manifests paths as an array of paths expanded relative to the root path.



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# File 'lib/mccloud/provisioner/puppet.rb', line 55

def expanded_manifests_paths
  return [] if !manifests_path

  # Get all the paths and expand them relative to the root path, returning
  # the array of expanded paths
  paths = manifests_path
  paths = [paths] if !paths.is_a?(Array)
  paths.map do |path|
    Pathname.new(path).expand_path(env.root_path)
  end
end

#expanded_module_paths ⇒ Object

Returns the module paths as an array of paths expanded relative to the root path.



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# File 'lib/mccloud/provisioner/puppet.rb', line 41

def expanded_module_paths
  return [] if !module_path

  # Get all the paths and expand them relative to the root path, returning
  # the array of expanded paths
  paths = module_path
  paths = [paths] if !paths.is_a?(Array)
  paths.map do |path|
    Pathname.new(path).expand_path(env.root_path)
  end
end

#is_erb?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mccloud/provisioner/puppet.rb', line 130

def is_erb?(filename)
  result=File.extname(filename) == ".erb"
  puts result
  return result
end

#prepare ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 158

def prepare
  share_manifests
  share_modules
  share_manifest
  set_module_paths
end

#run(server) ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 168

def run(server)
  @server=server
  if @manifest_file.nil?
    env.ui.info "No specific manifestfile specified defaulting to site.pp in the manifest dir"
  end

  env.logger.info "Starting puppet run"
  server.execute("mkdir -p '#{@pp_path}'")
  server.execute("chmod 700 '#{@pp_path}'")
  prepare

  env.ui.info "Running puppet"

  pre_options=[]
  unless @remote_environment.empty?
    @remote_environment.each do |key,value|
      pre_options << "#{key.to_s}=\"#{value}\""
    end
  end

  puppet_options=[ "apply"]
  @options.each do |o|
    puppet_options << o
  end


  unless @module_paths.empty?
    puppet_options << "--modulepath=#{@module_paths.values.join(':')}"
  end

  manifestdir="#{File.join(@pp_path,'manifests-0')}"
  puppet_options << "--manifestdir=#{manifestdir}"

  if @manifest_file.nil?
    puppet_options << File.join(manifestdir,"site.pp")
  else
    if is_erb?(@manifest_file)
      puppet_options << File.join(@pp_path,File.basename(@manifest_file,".erb"))
    else
      puppet_options << File.join(@pp_path,File.basename(@manifest_file))
    end
  end

  server.sudo("#{pre_options.join(" ")} puppet #{puppet_options.join(' ')}")
end

#set_module_paths ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 90

def set_module_paths
  @module_paths = {}
  expanded_module_paths.each_with_index do |path, i|
    @module_paths[path] = File.join(@pp_path, "modules-#{i}")
  end
end

#share_manifest ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 97

def share_manifest
  if @manifest_file.nil?
    # Nothing to do here
    return
  end

  full_path=Pathname.new(File.join(manifests_path,@manifest_file)).expand_path(env.root_path).to_s

  # These are the default
  dest=File.join(@pp_path,File.basename(@manifest_file))
  src=full_path

  # ERB file
  if is_erb?(full_path)
    env.ui.info "Interpreting ERB puppet manifest"

    # Correct the src path
    temp_file = Tempfile.new("puppet_erb")
    src=temp_file.path
    result=erbify(full_path)
    File.open(temp_file,'w') { |f| f.write(result)}

    # Correct the dest path
    dest=File.join(@pp_path,File.basename(@manifest_file,".erb"))

    # Immediately unlink it
    #temp_file.close(true)
  end

  env.ui.info "Synching manifest #{src} -> #{dest}"
  server.transfer(src,dest)
end

#share_manifests ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 78

def share_manifests
  i=0
  expanded_manifests_paths.each do |path|
    remote_path=File.join(pp_path,"manifests-#{i}")
    env.ui.info "Sharing manifest dir #{path}"
    server.execute("test -d '#{remote_path}' || mkdir -p '#{remote_path}'")
    server.share_sync(path,remote_path,{:mute => false})
    server.execute("chmod 700 '#{remote_path}'")
    i=i+1
  end
end

#share_modules ⇒ Object 



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# File 'lib/mccloud/provisioner/puppet.rb', line 67

def share_modules
  i=0
  expanded_module_paths.each do |path|
    remote_path=File.join(pp_path,"modules-#{i}")
    env.ui.info "Sharing module dir #{path}"
    server.share_sync(path,remote_path,{:mute => false})
    server.execute("chmod 700 '#{remote_path}'")
    i=i+1
  end
end