Class: ServerInterface

Inherits:
Object
  • Object
show all
Defined in:
lib/rest_connection/rightscale/server_interface.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cid = nil, params = {}, deployment_id = nil) ⇒ ServerInterface

Returns a new instance of ServerInterface.



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 29

def initialize(cid = nil, params = {}, deployment_id = nil)

  # If cid is nil, assume generic server, otherwise check value and if cloud
  # id is in range of AWS clouds we can assume it's an AWS server
  if cid
    @multicloud = (cid.to_i > 10 ? true : false)
  else
    @multicloud = true
  end

  if @multicloud
    if deployment_id
      name = params["nickname"] || params["name"] || params[:nickname] || params[:name]
      @impl = McServer.find_by(:name, deployment_id) { |n| n == name }.first
    else
      @impl = McServer.new(params)
    end
  else
    @impl = Server.new(params)
  end
  self
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 82

def method_missing(method_name, *args, &block)
  @impl.__send__(method_name, *args, &block)
end

Instance Attribute Details

#multicloud ⇒ Object (readonly)

Returns the value of attribute multicloud.



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 27

def multicloud
  @multicloud
end

Class Method Details

.[](*args) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 67

def self.[](*args)
  begin
    ret = Server[*args]
    raise "" if ret.empty?
  rescue
    ret = McServer[*args]
  end
  return ret
end

Instance Method Details

#attach_volume(params) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 257

def attach_volume(params)
  return connection.logger("WARNING: Gateway Servers do not support attach_volume. Ignoring.") if @multicloud
  return @impl.attach_volume(params) unless @multicloud
end

#clean_and_translate_server_params(it) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 86

def clean_and_translate_server_params(it)
  it.each do |k, v|
    clean_and_translate_server_params(v) if v.is_a?(Hash)
  end
  it.reject! { |k, v| v == nil or v == "" }
  it.each { |k, v| it[k] = translate_href(v) if k.to_s =~ /href/ }
  it
end

#create(opts) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 52

def create(opts)
  location = connection.post(resource_plural_name, translate_create_opts(opts))
  @impl = (@multicloud ? McServer.new('href' => location) : Server.new('href' => location))
  settings
  self
end

#inputs ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 219

def inputs
  parameters
end

#inspect ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 63

def inspect
  @impl.inspect
end

#launch ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 231

def launch
  return @impl.launch if @multicloud
  return @impl.start unless @multicloud
end

#map_cloud_id(to, val) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 166

def map_cloud_id(to, val)
  if val.is_a?(String)
    begin
      val = val.split(/\//).last
    rescue Exception => e
    end
  end
  if to == "1.5"
    return "https://my.rightscale.com/api/clouds/#{val}"
  elsif to == "1.0"
    return "#{val}"
  end
end

#map_instance(to, val) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 180

def map_instance(to, val)
  if to == "1.0"
    return val
  end
  val
end

#name ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 59

def name
  nickname
end

#nickname ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 77

def nickname
  return @impl.nickname unless @multicloud
  return @impl.name if @multicloud
end

#parameters ⇒ Object

Since RightScale hands back the parameters with a “name” and “value” tags we should transform them into the proper hash. This it the same for setting and getting.



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 214

def parameters
  return @impl.parameters unless @multicloud
  return @impl.inputs if @multicloud
end

#run_script(script, opts = nil) ⇒ Object

This should be used with v4 images only.



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 252

def run_script(script,opts=nil)
  return connection.logger("WARNING: Gateway Servers do not support run_script. Did you mean run_executable?") if @multicloud
  return @impl.run_script(script,opts) unless @multicloud
end

#save(new_params = nil) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 269

def save(new_params = nil)
  if new_params
    @impl.settings
    if @multicloud
      @impl.next_instance.params.merge!(translate_create_opts(new_params, :instance_only)["instance"])
    else
      @impl.params.merge!(translate_create_opts(new_params)["server"])
    end
  end
  @impl.save
end

#start ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 223

def start
  launch
end

#start_ebs ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 241

def start_ebs
  return connection.logger("WARNING: Gateway Servers do not support start_ebs. Ignoring.") if @multicloud
  return @impl.start_ebs unless @multicloud
end

#stop ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 227

def stop
  terminate
end

#stop_ebs ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 246

def stop_ebs
  return connection.logger("WARNING: Gateway Servers do not support stop_ebs. Ignoring.") if @multicloud
  return @impl.stop_ebs unless @multicloud
end

#terminate ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 236

def terminate
  return @impl.terminate if @multicloud
  return @impl.stop unless @multicloud
end

#translate_create_opts(old_opts, instance_only = false) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 95

def translate_create_opts(old_opts, instance_only=false)
  fields = [{"1.0" => [:server_template_href],      "1.5" => [:server_template_href]},
            {"1.0" => [:cloud_id],                  "fn" => :map_cloud_id,  "1.5" => [:cloud_href]},
            {"1.0" => [:ec2_image_href],            "1.5" => [:image_href]},
            {"1.0" => [:ec2_user_data],             "1.5" => [:user_data]},
            {"1.0" => [:instance_type],             "fn" => :map_instance,  "1.5" => [:instance_type_href]},
            {"1.0" => [:ec2_security_groups_href],  "1.5" => [:security_group_hrefs]},
            {"1.0" => [:ec2_ssh_key_href],          "1.5" => [:ssh_key_href]},
            {"1.0" => [:vpc_subnet_href]},
            {"1.0" => [:ec2_availability_zone]},
            {"1.0" => [:pricing]},
            {"1.0" => [:max_spot_price]},
            {                                       "1.5" => [:inputs]},
            {"1.0" => [:multi_cloud_image_href],    "1.5" => [:mci_href, :multi_cloud_image_href]},
            {                                       "1.5" => [:datacenter_href]},
            {                                       "1.5" => [:subnet_hrefs]},
            {"1.0" => [:aki_image_href],            "1.5" => [:kernel_image_href]},
            {"1.0" => [:ari_image_href],            "1.5" => [:ramdisk_image_href]}]

  opts = old_opts.dup
  if @multicloud
    to = "1.5"
    if instance_only
      ret = {"instance" => {}}
      server = ret["instance"]
    else
      ret = {"server" => {"instance" => {}}}
      ret["server"]["name"] = (opts["name"] ? opts["name"] : opts["nickname"])
      ret["server"]["description"] = opts["description"]
      ret["server"]["deployment_href"] = opts["deployment_href"]
      server = ret["server"]["instance"]
    end
  else
    to = "1.0"
    server = {"nickname" => (opts["nickname"] ? opts["nickname"] : opts["name"])}
    server["deployment_href"] = opts["deployment_href"]
    ret = {"server" => server}
    begin
      ret["cloud_id"] = opts["cloud_href"].split(/\/clouds\//).last
    rescue Exception => e
      ret["cloud_id"] = opts["cloud_id"]
    end
  end

  fields.each { |hsh|
    next unless hsh[to]
    hsh[to].each { |field|
      vals = opts.select {|k,v| [[hsh["1.0"]] + [hsh["1.5"]]].flatten.include?(k.to_sym) }
      # IMPORTANT NOTE REGARDING RUBY VERSIONS!
      #
      # In Ruby 1.9.3 the next line of code is required to be written the way it is. Previously, it was written as:
      # vals.flatten! which doesn't work in Ruby 1.9.3.
      #
      # This is because opts is a hash and in Ruby 1.8.7, the select (above) returns an flattened array of
      # key, value pairs but in 1.9.3 it returns a new hash. flatten! does not exist for hashes so that would
      # no longer work in Ruby 1.9.3 and the code had to be changed to vals = vals.flatten to work correctly
      # in both Ruby versions.
      vals = vals.flatten
      vals.compact!
      if hsh["fn"]
        server[field.to_s] = __send__(hsh["fn"], to, opts[vals.first]) unless vals.first.nil?
      else
        server[field.to_s] = opts[vals.first] unless vals.first.nil?
      end
      server.delete("inputs") if server["inputs"] && server["inputs"].empty? # Inputs cannot be empty for 1.5
    }
  }
  clean_and_translate_server_params(ret)
  return ret
end

#translate_href(old_href) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 187

def translate_href(old_href)
  if old_href.is_a?(Array)
    new_array = []
    old_href.each { |url| new_array << translate_href(url) }
    return new_array
  else
    href = old_href.dup
    if @multicloud
      href.gsub!(/ec2_/,'')
      href.gsub!(/\/acct\/[0-9]*/,'')
    end
    return href
  end
#    if href.include?("acct")
#      my_base_href, @account = href.split(/\/acct\//)
#      @account, *remaining = @account.split(/\//)
#      if @multicloud
#        return my_base_href + "/" + remaining.join("/").gsub(/ec2_/,'')
#      else
#        return href
#      end
#    else #API 1.5
#    end
end

#update(new_params = nil) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 281

def update(new_params = nil)
  save(new_params)
end

#wait_for_state(st, timeout = 1200) ⇒ Object 



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# File 'lib/rest_connection/rightscale/server_interface.rb', line 262

def wait_for_state(st,timeout=1200)
  if @multicloud and st == "stopped"
    st = "inactive"
  end
  @impl.wait_for_state(st,timeout)
end