def save
raise Fog::Errors::Error.new('Resaving an existing object may create a duplicate') if identity
requires :image_id
options = {
'BlockDeviceMapping' => block_device_mapping,
'ClientToken' => client_token,
'InstanceInitiatedShutdownBehavior' => instance_initiated_shutdown_behavior,
'InstanceType' => flavor_id,
'KernelId' => kernel_id,
'KeyName' => key_name,
'Monitoring.Enabled' => monitoring,
'Placement.AvailabilityZone' => availability_zone,
'RamdiskId' => ramdisk_id,
'SecurityGroup' => groups,
'SubnetId' => subnet_id,
'UserData' => user_data
}
options.delete_if {|key, value| value.nil?}
if subnet_id
options.delete('SecurityGroup')
else
options.delete('SubnetId')
end
data = connection.run_instances(image_id, 1, 1, options)
merge_attributes(data.body['instancesSet'].first)
true
end