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fog--fog/lib/fog/compute/requests/aws/attach_volume.rb

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module Fog
module AWS
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class Compute
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class Real
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require 'fog/compute/parsers/aws/attach_volume'
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# Attach an Amazon EBS volume with a running instance, exposing as specified device
#
# ==== Parameters
# * instance_id<~String> - Id of instance to associate volume with
# * volume_id<~String> - Id of amazon EBS volume to associate with instance
# * device<~String> - Specifies how the device is exposed to the instance (e.g. "/dev/sdh")
#
# ==== Returns
# * response<~Excon::Response>:
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# * body<~Hash>:
# * 'attachTime'<~Time> - Time of attachment was initiated at
# * 'device'<~String> - Device as it is exposed to the instance
# * 'instanceId'<~String> - Id of instance for volume
# * 'requestId'<~String> - Id of request
# * 'status'<~String> - Status of volume
# * 'volumeId'<~String> - Reference to volume
#
# {Amazon API Reference}[http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-query-AttachVolume.html]
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def attach_volume(instance_id, volume_id, device)
request(
'Action' => 'AttachVolume',
'VolumeId' => volume_id,
'InstanceId' => instance_id,
'Device' => device,
:idempotent => true,
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:parser => Fog::Parsers::AWS::Compute::AttachVolume.new
)
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end
end
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class Mock
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def attach_volume(instance_id, volume_id, device)
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response = Excon::Response.new
if instance_id && volume_id && device
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response.status = 200
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instance = self.data[:instances][instance_id]
volume = self.data[:volumes][volume_id]
if instance && volume
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unless volume['status'] == 'available'
raise Fog::AWS::Compute::Error.new("Client.VolumeInUse => Volume #{volume_id} is unavailable")
end
data = {
'attachTime' => Time.now,
'device' => device,
'instanceId' => instance_id,
'status' => 'attaching',
'volumeId' => volume_id
}
volume['attachmentSet'] = [data]
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volume['status'] = 'attaching'
response.status = 200
response.body = {
'requestId' => Fog::AWS::Mock.request_id
}.merge!(data)
response
elsif !instance
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raise Fog::AWS::Compute::NotFound.new("The instance ID '#{instance_id}' does not exist.")
elsif !volume
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raise Fog::AWS::Compute::NotFound.new("The volume '#{volume_id}' does not exist.")
end
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else
message = 'MissingParameter => '
if !instance_id
message << 'The request must contain the parameter instance_id'
elsif !volume_id
message << 'The request must contain the parameter volume_id'
else
message << 'The request must contain the parameter device'
end
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raise Fog::AWS::Compute::Error.new(message)
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end
end
end
end
end
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end