class CIMI::Service::Machine

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

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Public Class Methods

attach_volume(volume, location, context) click to toggle source

returns the newly attach machine_volume

# File lib/cimi/service/machine.rb, line 59
def self.attach_volume(volume, location, context)
  context.driver.attach_storage_volume(context.credentials,
   {:id=>volume, :instance_id=>context.params[:id], :device=>location})
  CIMI::Service::MachineVolume.find(context.params[:id], context, volume)
end
convert_instance_actions(instance, context) click to toggle source
# File lib/cimi/service/machine.rb, line 137
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) click to toggle source
# File lib/cimi/service/machine.rb, line 124
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) click to toggle source
# File lib/cimi/service/machine.rb, line 109
def self.convert_instance_cpu(profile, context)
  cpu_override = profile.overrides.find { |p, v| p == :cpu }
  if cpu_override.nil?
    CIMI::Service::MachineConfiguration.find(profile.id, context).cpu
  else
    cpu_override[1]
  end
end
convert_instance_memory(profile, context) click to toggle source
# File lib/cimi/service/machine.rb, line 118
def self.convert_instance_memory(profile, context)
  machine_conf = CIMI::Service::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) click to toggle source

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

# File lib/cimi/service/machine.rb, line 101
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) click to toggle source
# File lib/cimi/service/machine.rb, line 148
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) click to toggle source
# File lib/cimi/service/machine.rb, line 53
def self.delete!(id, context)
  context.driver.destroy_instance(context.credentials, id)
  new(context, :values => { :id => id }).destroy
end
detach_volume(volume, location, context) click to toggle source

returns the machine_volume_collection for the given machine

# File lib/cimi/service/machine.rb, line 66
def self.detach_volume(volume, location, context)
  context.driver.detach_storage_volume(context.credentials,
   {:id=>volume, :instance_id=>context.params[:id], :device=>location})
  CIMI::Service::MachineVolume.collection_for_instance(context.params[:id], context)
end
find(id, context) click to toggle source
# File lib/cimi/service/machine.rb, line 25
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) click to toggle source
# File lib/cimi/service/machine.rb, line 72
def self.from_instance(instance, context)
  cpu =  memory = (instance.instance_profile.id == "opaque")? "n/a" : nil
  machine_conf = CIMI::Service::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::Service::Disk.find(instance, machine_conf, context, :all)
  end
  if context.expand? :volumes
    machine_spec[:volumes] = CIMI::Service::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(context, :values => machine_spec)
end

Public Instance Methods

perform(action, &block) click to toggle source
# File lib/cimi/service/machine.rb, line 37
def perform(action, &block)
  begin
    op = action.operation
    op = :reboot if op == :restart
    puts "PERFORM #{op.inspect} on #{ref_id(id)}"
    if context.driver.send(:"#{op}_instance", context.credentials, ref_id(id))
      block.callback :success
    else
      raise "Operation #{op} failed to execute on given Machine #{ref_id(id)}"
    end
  rescue => e
    raise
    block.callback :failure, e.message
  end
end