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volume attaching and detaching working

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This commit is contained in:
Steve Pulec 2013-02-23 17:37:55 -05:00
commit f92a3ec00f
4 changed files with 219 additions and 9 deletions
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104
moto/ec2/responses/elastic_block_store.py
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@ -5,8 +5,17 @@ from moto.ec2.utils import resource_ids_from_querystring
class ElasticBlockStore(object):
def __init__(self, querystring):
self.querystring = querystring
def attach_volume(self):
raise NotImplementedError('ElasticBlockStore.attach_volume is not yet implemented')
volume_id = self.querystring.get('VolumeId')[0]
instance_id = self.querystring.get('InstanceId')[0]
device_path = self.querystring.get('Device')[0]
attachment = ec2_backend.attach_volume(volume_id, instance_id, device_path)
template = Template(ATTACHED_VOLUME_RESPONSE)
return template.render(attachment=attachment)
def copy_snapshot(self):
raise NotImplementedError('ElasticBlockStore.copy_snapshot is not yet implemented')
@ -15,13 +24,22 @@ class ElasticBlockStore(object):
raise NotImplementedError('ElasticBlockStore.create_snapshot is not yet implemented')
def create_volume(self):
raise NotImplementedError('ElasticBlockStore.create_volume is not yet implemented')
size = self.querystring.get('Size')[0]
zone = self.querystring.get('AvailabilityZone')[0]
volume = ec2_backend.create_volume(size, zone)
template = Template(CREATE_VOLUME_RESPONSE)
return template.render(volume=volume)
def delete_snapshot(self):
raise NotImplementedError('ElasticBlockStore.delete_snapshot is not yet implemented')
def delete_volume(self):
raise NotImplementedError('ElasticBlockStore.delete_volume is not yet implemented')
volume_id = self.querystring.get('VolumeId')[0]
success = ec2_backend.delete_volume(volume_id)
if not success:
# Volume doesn't exist
return "Volume with id {} does not exist".format(volume_id), dict(status=404)
return DELETE_VOLUME_RESPONSE
def describe_snapshot_attribute(self):
raise NotImplementedError('ElasticBlockStore.describe_snapshot_attribute is not yet implemented')
@ -30,7 +48,9 @@ class ElasticBlockStore(object):
raise NotImplementedError('ElasticBlockStore.describe_snapshots is not yet implemented')
def describe_volumes(self):
raise NotImplementedError('ElasticBlockStore.describe_volumes is not yet implemented')
volumes = ec2_backend.describe_volumes()
template = Template(DESCRIBE_VOLUMES_RESPONSE)
return template.render(volumes=volumes)
def describe_volume_attribute(self):
raise NotImplementedError('ElasticBlockStore.describe_volume_attribute is not yet implemented')
@ -39,7 +59,17 @@ class ElasticBlockStore(object):
raise NotImplementedError('ElasticBlockStore.describe_volume_status is not yet implemented')
def detach_volume(self):
raise NotImplementedError('ElasticBlockStore.detach_volume is not yet implemented')
volume_id = self.querystring.get('VolumeId')[0]
instance_id = self.querystring.get('InstanceId')[0]
device_path = self.querystring.get('Device')[0]
attachment = ec2_backend.detach_volume(volume_id, instance_id, device_path)
if not attachment:
# Volume wasn't attached
return "Volume {} can not be detached from {} because it is not attached".format(volume_id, instance_id), dict(status=404)
template = Template(DETATCH_VOLUME_RESPONSE)
return template.render(attachment=attachment)
def enable_volume_io(self):
raise NotImplementedError('ElasticBlockStore.enable_volume_io is not yet implemented')
@ -56,3 +86,67 @@ class ElasticBlockStore(object):
def reset_snapshot_attribute(self):
raise NotImplementedError('ElasticBlockStore.reset_snapshot_attribute is not yet implemented')
CREATE_VOLUME_RESPONSE = """<CreateVolumeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<volumeId>{{ volume.id }}</volumeId>
<size>{{ volume.size }}</size>
<snapshotId/>
<availabilityZone>{{ volume.zone.name }}</availabilityZone>
<status>creating</status>
<createTime>YYYY-MM-DDTHH:MM:SS.000Z</createTime>
<volumeType>standard</volumeType>
</CreateVolumeResponse>"""
DESCRIBE_VOLUMES_RESPONSE = """<DescribeVolumesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<volumeSet>
{% for volume in volumes %}
<item>
<volumeId>{{ volume.id }}</volumeId>
<size>{{ volume.size }}</size>
<snapshotId/>
<availabilityZone>{{ volume.zone.name }}</availabilityZone>
<status>{{ volume.status }}</status>
<createTime>YYYY-MM-DDTHH:MM:SS.SSSZ</createTime>
<attachmentSet>
{% if volume.attachment %}
<item>
<volumeId>{{ volume.id }}</volumeId>
<instanceId>{{ volume.attachment.instance.id }}</instanceId>
<device>{{ volume.attachment.device }}</device>
<status>attached</status>
<attachTime>YYYY-MM-DDTHH:MM:SS.SSSZ</attachTime>
<deleteOnTermination>false</deleteOnTermination>
</item>
{% endif %}
</attachmentSet>
<volumeType>standard</volumeType>
</item>
{% endfor %}
</volumeSet>
</DescribeVolumesResponse>"""
DELETE_VOLUME_RESPONSE = """<DeleteVolumeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<return>true</return>
</DeleteVolumeResponse>"""
ATTACHED_VOLUME_RESPONSE = """<AttachVolumeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<volumeId>{{ attachment.volume.id }}</volumeId>
<instanceId>{{ attachment.instance.id }}</instanceId>
<device>{{ attachment.device }}</device>
<status>attaching</status>
<attachTime>YYYY-MM-DDTHH:MM:SS.000Z</attachTime>
</AttachVolumeResponse>"""
DETATCH_VOLUME_RESPONSE = """<DetachVolumeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
<volumeId>{{ attachment.volume.id }}</volumeId>
<instanceId>{{ attachment.instance.id }}</instanceId>
<device>{{ attachment.device }}</device>
<status>detaching</status>
<attachTime>YYYY-MM-DDTHH:MM:SS.000Z</attachTime>
</DetachVolumeResponse>"""