Class: CIMI::Model::Machine

Inherits:
Base show all
Defined in:
lib/cimi/models/machine.rb

Overview

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Constant Summary

Constants included from Deltacloud::Helpers::Database

Deltacloud::Helpers::Database::DATABASE_COLLECTIONS

Constants inherited from Resource

Resource::CMWG_NAMESPACE

Instance Attribute Summary

Attributes inherited from Resource

#attribute_values

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#[]=, #destroy, #extract_properties!, #initialize, #ref_id, #save

Methods included from Deltacloud::Helpers::Database

#current_db, #current_provider, #provides?

Methods included from Deltacloud::Helpers::Drivers

#driver, #driver_class, #driver_class_name, #driver_name, #driver_source_name, #driver_symbol, included, #provider_name

Methods included from CollectionMethods

#acts_as_root_entity, #all, #collection_class, #collection_class=, #list

Methods included from Helpers::SelectBaseMethods

#select_attributes

Methods inherited from Resource

#[], #[]=, add_attributes!, all_uri, #base_id, base_schema, base_schema_cloned?, clone_base_schema, from_json, from_xml, inherited, #initialize, parse, #prepare, required_attributes, resource_uri, to_json, #to_json, to_xml, #to_xml, #validate!, xml_tag_name

Methods included from Schema::DSL

#array, #collection, #hash, #href, #ref, #resource_attr, #scalar, #struct, #text

Methods included from Helpers::FilterResourceMethods

#filter_by, #parse_filter_opts

Methods included from Helpers::SelectResourceMethods

#select_by, #select_by_arr_index, #select_by_arr_range

Constructor Details

This class inherits a constructor from CIMI::Model::Base

Class Method Details

.attach_volume(volume, location, context) ⇒ Object

returns the newly attach machine_volume



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# File 'lib/cimi/models/machine.rb', line 71

def self.attach_volume(volume, location, context)
  context.driver.attach_storage_volume(context.credentials,
   {:id=>volume, :instance_id=>context.params[:id], :device=>location})
  CIMI::Model::MachineVolume.find(context.params[:id], context, volume)
end

.convert_instance_actions(instance, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 149

def self.convert_instance_actions(instance, context)
  actions = instance.actions.collect do |action|
    action = :restart if action == :reboot
    name = action
    name = :delete if action == :destroy # In CIMI destroy operation become delete
    { :href => context.send(:"#{action}_machine_url", instance.id), :rel => "http://schemas.dmtf.org/cimi/1/action/#{name}" }
  end
  actions <<  { :href => context.send(:"machine_images_url"), :rel => "http://schemas.dmtf.org/cimi/1/action/capture" } if instance.can_create_image?
  actions
end

.convert_instance_addresses(instance) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 136

def self.convert_instance_addresses(instance)
  (instance.public_addresses + instance.private_addresses).collect do |address|
    {
      :hostname => address.is_hostname? ? address : nil,
      :mac_address => address.is_mac? ? address : nil,
      :state => 'Active',
      :protocol => 'IPv4',
      :address => address.is_ipv4? ? address : nil,
      :allocation => 'Static'
    }
  end
end

.convert_instance_cpu(profile, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 121

def self.convert_instance_cpu(profile, context)
  cpu_override = profile.overrides.find { |p, v| p == :cpu }
  if cpu_override.nil?
    CIMI::Model::MachineConfiguration.find(profile.id, context).cpu
  else
    cpu_override[1]
  end
end

.convert_instance_memory(profile, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 130

def self.convert_instance_memory(profile, context)
  machine_conf = CIMI::Model::MachineConfiguration.find(profile.name, context)
  memory_override = profile.overrides.find { |p, v| p == :memory }
  memory_override.nil? ? machine_conf.memory.to_i : context.to_kibibyte(memory_override[1].to_i,"MB")
end

.convert_instance_state(state) ⇒ Object

FIXME: This will convert ‘RUNNING’ state to ‘STARTED’ which is defined in CIMI (p65)



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# File 'lib/cimi/models/machine.rb', line 113

def self.convert_instance_state(state)
  case state
    when "RUNNING" then "STARTED"
    when "PENDING" then "CREATING" #aruba only exception... could be "STARTING" here
    else state
  end
end

.convert_storage_volumes(instance, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 160

def self.convert_storage_volumes(instance, context)
  instance.storage_volumes ||= [] #deal with nilpointers
  instance.storage_volumes.map{|vol| {:href=>context.volume_url(vol.keys.first),
                                     :initial_location=>vol.values.first} }
end

.delete!(id, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 65

def self.delete!(id, context)
  context.driver.destroy_instance(context.credentials, id)
  new(:id => id).destroy
end

.detach_volume(volume, location, context) ⇒ Object

returns the machine_volume_collection for the given machine



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# File 'lib/cimi/models/machine.rb', line 78

def self.detach_volume(volume, location, context)
  context.driver.detach_storage_volume(context.credentials,
   {:id=>volume, :instance_id=>context.params[:id], :device=>location})
  CIMI::Model::MachineVolume.collection_for_instance(context.params[:id], context)
end

.find(id, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 41

def self.find(id, context)
  instances = []
  if id == :all
    instances = context.driver.instances(context.credentials)
    instances.map { |instance| from_instance(instance, context) }.compact
  else
    instance = context.driver.instance(context.credentials, :id => id)
    raise CIMI::Model::NotFound unless instance
    from_instance(instance, context)
  end
end

.from_instance(instance, context) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 84

def self.from_instance(instance, context)
  cpu =  memory = (instance.instance_profile.id == "opaque")? "n/a" : nil
  machine_conf = CIMI::Model::MachineConfiguration.find(instance.instance_profile.name, context)
  machine_spec = {
    :name => instance.name,
    :created => instance.launch_time.nil? ? Time.now.xmlschema : Time.parse(instance.launch_time.to_s).xmlschema,
    :description => "No description set for Machine #{instance.name}",
    :id => context.machine_url(instance.id),
    :state => convert_instance_state(instance.state),
    :cpu => cpu || convert_instance_cpu(instance.instance_profile, context),
    :memory => memory || convert_instance_memory(instance.instance_profile, context),
    :disks => { :href => context.machine_url(instance.id)+"/disks"},
    :volumes => { :href=>context.machine_url(instance.id)+"/volumes"},
    :operations => convert_instance_actions(instance, context)
  }
  if context.expand? :disks
    machine_spec[:disks] = CIMI::Model::Disk.find(instance, machine_conf, context, :all)
  end
  if context.expand? :volumes
    machine_spec[:volumes] = CIMI::Model::MachineVolume.find(instance.id, context, :all)
  end
  machine_spec[:realm] = instance.realm_id if instance.realm_id
  machine_spec[:machine_image] = { :href => context.machine_image_url(instance.image_id) } if instance.image_id
  self.new(machine_spec)
end

Instance Method Details

#perform(action, context, &block) ⇒ Object 



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# File 'lib/cimi/models/machine.rb', line 53

def perform(action, context, &block)
  begin
    if context.driver.send(:"#{action.name}_instance", context.credentials, self.id.split("/").last)
      block.callback :success
    else
      raise "Operation failed to execute on given Machine"
    end
  rescue => e
    block.callback :failure, e.message
  end
end