Class: Deltacloud::Drivers::Mock::MockDriver

Inherits:
BaseDriver
  • Object
show all
Defined in:
lib/deltacloud/drivers/mock/mock_driver.rb

Instance Method Summary collapse

Methods inherited from BaseDriver

#catched_exceptions_list, declare_feature, define_hardware_profile, define_instance_states, feature, feature_decl_for, feature_decls, #features, features, #filter_hardware_profiles, #filter_on, #find_hardware_profile, #hardware_profile, hardware_profiles, #hardware_profiles, #has_collection?, #image, #instance, #instance_actions_for, instance_state_machine, #instance_state_machine, #realm, #safely, #storage_snapshot, #storage_volume, #supported_collections

Constructor Details

#initialize ⇒ MockDriver

Returns a new instance of MockDriver.



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 81

def initialize
  if ENV["DELTACLOUD_MOCK_STORAGE"]
    @storage_root = ENV["DELTACLOUD_MOCK_STORAGE"]
  elsif ENV["USER"]
    @storage_root = File::join("/var/tmp", "deltacloud-mock-#{ENV["USER"]}")
  else
    raise "Please set either the DELTACLOUD_MOCK_STORAGE or USER environment variable"
  end
  if ! File::directory?(@storage_root)
    FileUtils::rm_rf(@storage_root)
    FileUtils::mkdir_p(@storage_root)
    data = Dir::glob(File::join(File::dirname(__FILE__), "data", "*"))
    FileUtils::cp_r(data, @storage_root)
  end
end

Instance Method Details

#create_instance(credentials, image_id, opts) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 147

def create_instance(credentials, image_id, opts)
  check_credentials( credentials )
  ids = Dir[ "#{@storage_root}/instances/*.yml" ].collect{|e| File.basename( e, ".yml" )}

  count = 0
  while true
    next_id = "inst" + count.to_s
    if not ids.include?(next_id)
      break
    end
    count = count + 1
  end

  realm_id = opts[:realm_id]
  if ( realm_id.nil? )
    realm = realms(credentials).first
    ( realm_id = realm.id ) if realm
  end

  hwp = find_hardware_profile(credentials, opts[:hwp_id], image_id)

  name = opts[:name] || "i-#{Time.now.to_i}"

  instance = {
    :name=>name,
    :state=>'RUNNING',
    :image_id=>image_id,
    :owner_id=>credentials.user,
    :public_addresses=>["#{image_id}.#{next_id}.public.com"],
    :private_addresses=>["#{image_id}.#{next_id}.private.com"],
    :instance_profile => InstanceProfile.new(hwp.name, opts),
    :realm_id=>realm_id,
    :actions=>instance_actions_for( 'RUNNING' )
  }
  File.open( "#{@storage_root}/instances/#{next_id}.yml", 'w' ) {|f|
    YAML.dump( instance, f )
  }
  instance[:id] = next_id
  Instance.new( instance )
end

#destroy_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 219

def destroy_instance(credentials, id)
  check_credentials( credentials )
  FileUtils.rm( "#{@storage_root}/instances/#{id}.yml" )
end

#images(credentials, opts = nil) ⇒ Object

Images



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 108

def images(credentials, opts=nil )
  check_credentials( credentials )
  images = []
  Dir[ "#{@storage_root}/images/*.yml" ].each do |image_file|
    image = YAML.load( File.read( image_file ) )
    image[:id] = File.basename( image_file, ".yml" )
    image[:name] = image[:description]
    images << Image.new( image )
  end
  images = filter_on( images, :id, opts )
  images = filter_on( images, :architecture, opts )
  if ( opts && opts[:owner_id] == 'self' )
    images = images.select{|e| e.owner_id == credentials.user }
  else
    images = filter_on( images, :owner_id, opts )
  end
  images.sort_by{|e| [e.owner_id,e.description]}
end

#instances(credentials, opts = nil) ⇒ Object

Instances



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 131

def instances(credentials, opts=nil)
  check_credentials( credentials )
  instances = []
  Dir[ "#{@storage_root}/instances/*.yml" ].each do |instance_file|
    instance = YAML.load( File.read( instance_file ) )
    if ( instance[:owner_id] == credentials.user )
      instance[:id] = File.basename( instance_file, ".yml" )
      instance[:actions] = instance_actions_for( instance[:state] )
      instances << Instance.new( instance )
    end
  end
  instances = filter_on( instances, :id, opts )
  instances = filter_on( instances, :state, opts )
  instances
end

#realms(credentials, opts = nil) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 97

def realms(credentials, opts=nil)
  return REALMS if ( opts.nil? )
  results = REALMS
  results = filter_on( results, :id, opts )
  results
end

#reboot_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 198

def reboot_instance(credentials, id)
  instance_file = "#{@storage_root}/instances/#{id}.yml"
  instance_yml  = YAML.load( File.read( instance_file ) )
  instance_yml[:state] = 'RUNNING'
  File.open( instance_file, 'w' ) do |f|
    f << YAML.dump( instance_yml )
  end
  Instance.new( instance_yml )
end

#start_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 188

def start_instance(credentials, id)
  instance_file = "#{@storage_root}/instances/#{id}.yml"
  instance_yml  = YAML.load( File.read( instance_file ) )
  instance_yml[:state] = 'RUNNING'
  File.open( instance_file, 'w' ) do |f|
    f << YAML.dump( instance_yml )
  end
  Instance.new( instance_yml )
end

#stop_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 208

def stop_instance(credentials, id)
  instance_file = "#{@storage_root}/instances/#{id}.yml"
  instance_yml  = YAML.load( File.read( instance_file ) )
  instance_yml[:state] = 'STOPPED'
  File.open( instance_file, 'w' ) do |f|
    f << YAML.dump( instance_yml )
  end
  Instance.new( instance_yml )
end

#storage_snapshots(credentials, opts = nil) ⇒ Object

Storage Snapshots



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 246

def storage_snapshots(credentials, opts=nil)
  check_credentials( credentials )
  snapshots = []
  Dir[ "#{@storage_root}/storage_snapshots/*.yml" ].each do |storage_snapshot_file|
    storage_snapshot = YAML.load( File.read( storage_snapshot_file ) )
    if ( storage_snapshot[:owner_id] == credentials.user )
      storage_snapshot[:id] = File.basename( storage_snapshot_file, ".yml" )
      snapshots << StorageSnapshot.new( storage_snapshot )
    end
  end
  snapshots = filter_on( snapshots, :id, opts )
  snapshots
end

#storage_volumes(credentials, opts = nil) ⇒ Object

Storage Volumes



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# File 'lib/deltacloud/drivers/mock/mock_driver.rb', line 228

def storage_volumes(credentials, opts=nil)
  check_credentials( credentials )
  volumes = []
  Dir[ "#{@storage_root}/storage_volumes/*.yml" ].each do |storage_volume_file|
    storage_volume = YAML.load( File.read( storage_volume_file ) )
    if ( storage_volume[:owner_id] == credentials.user )
      storage_volume[:id] = File.basename( storage_volume_file, ".yml" )
      volumes << StorageVolume.new( storage_volume )
    end
  end
  volumes = filter_on( volumes, :id, opts )
  volumes
end