mirror of
https://github.com/SickGear/SickGear.git
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352 lines
13 KiB
Python
352 lines
13 KiB
Python
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# Copyright (c) 2011 Mitch Garnaat http://garnaat.org/
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# Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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"""
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Represents an EC2 Elastic Network Interface
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"""
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from boto.exception import BotoClientError
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from boto.ec2.ec2object import TaggedEC2Object
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from boto.resultset import ResultSet
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from boto.ec2.group import Group
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class Attachment(object):
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"""
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:ivar id: The ID of the attachment.
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:ivar instance_id: The ID of the instance.
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:ivar device_index: The index of this device.
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:ivar status: The status of the device.
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:ivar attach_time: The time the device was attached.
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:ivar delete_on_termination: Whether the device will be deleted
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when the instance is terminated.
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"""
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def __init__(self):
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self.id = None
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self.instance_id = None
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self.instance_owner_id = None
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self.device_index = 0
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self.status = None
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self.attach_time = None
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self.delete_on_termination = False
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def __repr__(self):
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return 'Attachment:%s' % self.id
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def startElement(self, name, attrs, connection):
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return None
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def endElement(self, name, value, connection):
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if name == 'attachmentId':
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self.id = value
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elif name == 'instanceId':
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self.instance_id = value
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elif name == 'deviceIndex':
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self.device_index = int(value)
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elif name == 'instanceOwnerId':
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self.instance_owner_id = value
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elif name == 'status':
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self.status = value
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elif name == 'attachTime':
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self.attach_time = value
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elif name == 'deleteOnTermination':
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if value.lower() == 'true':
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self.delete_on_termination = True
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else:
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self.delete_on_termination = False
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else:
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setattr(self, name, value)
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class NetworkInterface(TaggedEC2Object):
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"""
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An Elastic Network Interface.
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:ivar id: The ID of the ENI.
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:ivar subnet_id: The ID of the VPC subnet.
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:ivar vpc_id: The ID of the VPC.
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:ivar description: The description.
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:ivar owner_id: The ID of the owner of the ENI.
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:ivar requester_managed:
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:ivar status: The interface's status (available|in-use).
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:ivar mac_address: The MAC address of the interface.
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:ivar private_ip_address: The IP address of the interface within
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the subnet.
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:ivar source_dest_check: Flag to indicate whether to validate
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network traffic to or from this network interface.
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:ivar groups: List of security groups associated with the interface.
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:ivar attachment: The attachment object.
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:ivar private_ip_addresses: A list of PrivateIPAddress objects.
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"""
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def __init__(self, connection=None):
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super(NetworkInterface, self).__init__(connection)
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self.id = None
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self.subnet_id = None
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self.vpc_id = None
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self.availability_zone = None
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self.description = None
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self.owner_id = None
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self.requester_managed = False
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self.status = None
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self.mac_address = None
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self.private_ip_address = None
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self.source_dest_check = None
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self.groups = []
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self.attachment = None
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self.private_ip_addresses = []
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def __repr__(self):
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return 'NetworkInterface:%s' % self.id
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def startElement(self, name, attrs, connection):
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retval = super(NetworkInterface, self).startElement(name, attrs, connection)
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if retval is not None:
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return retval
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if name == 'groupSet':
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self.groups = ResultSet([('item', Group)])
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return self.groups
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elif name == 'attachment':
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self.attachment = Attachment()
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return self.attachment
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elif name == 'privateIpAddressesSet':
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self.private_ip_addresses = ResultSet([('item', PrivateIPAddress)])
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return self.private_ip_addresses
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else:
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return None
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def endElement(self, name, value, connection):
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if name == 'networkInterfaceId':
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self.id = value
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elif name == 'subnetId':
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self.subnet_id = value
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elif name == 'vpcId':
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self.vpc_id = value
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elif name == 'availabilityZone':
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self.availability_zone = value
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elif name == 'description':
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self.description = value
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elif name == 'ownerId':
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self.owner_id = value
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elif name == 'requesterManaged':
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if value.lower() == 'true':
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self.requester_managed = True
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else:
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self.requester_managed = False
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elif name == 'status':
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self.status = value
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elif name == 'macAddress':
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self.mac_address = value
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elif name == 'privateIpAddress':
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self.private_ip_address = value
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elif name == 'sourceDestCheck':
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if value.lower() == 'true':
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self.source_dest_check = True
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else:
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self.source_dest_check = False
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else:
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setattr(self, name, value)
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def _update(self, updated):
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self.__dict__.update(updated.__dict__)
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def update(self, validate=False, dry_run=False):
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"""
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Update the data associated with this ENI by querying EC2.
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:type validate: bool
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:param validate: By default, if EC2 returns no data about the
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ENI the update method returns quietly. If
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the validate param is True, however, it will
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raise a ValueError exception if no data is
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returned from EC2.
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"""
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rs = self.connection.get_all_network_interfaces(
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[self.id],
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dry_run=dry_run
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)
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if len(rs) > 0:
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self._update(rs[0])
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elif validate:
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raise ValueError('%s is not a valid ENI ID' % self.id)
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return self.status
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def attach(self, instance_id, device_index, dry_run=False):
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"""
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Attach this ENI to an EC2 instance.
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:type instance_id: str
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:param instance_id: The ID of the EC2 instance to which it will
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be attached.
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:type device_index: int
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:param device_index: The interface nunber, N, on the instance (eg. ethN)
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:rtype: bool
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:return: True if successful
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"""
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return self.connection.attach_network_interface(
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self.id,
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instance_id,
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device_index,
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dry_run=dry_run
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)
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def detach(self, force=False, dry_run=False):
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"""
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Detach this ENI from an EC2 instance.
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:type force: bool
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:param force: Forces detachment if the previous detachment
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attempt did not occur cleanly.
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:rtype: bool
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:return: True if successful
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"""
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attachment_id = getattr(self.attachment, 'id', None)
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return self.connection.detach_network_interface(
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attachment_id,
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force,
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dry_run=dry_run
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)
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def delete(self, dry_run=False):
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return self.connection.delete_network_interface(
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self.id,
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dry_run=dry_run
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)
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class PrivateIPAddress(object):
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def __init__(self, connection=None, private_ip_address=None,
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primary=None):
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self.connection = connection
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self.private_ip_address = private_ip_address
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self.primary = primary
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def startElement(self, name, attrs, connection):
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pass
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def endElement(self, name, value, connection):
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if name == 'privateIpAddress':
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self.private_ip_address = value
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elif name == 'primary':
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self.primary = True if value.lower() == 'true' else False
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def __repr__(self):
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return "PrivateIPAddress(%s, primary=%s)" % (self.private_ip_address,
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self.primary)
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class NetworkInterfaceCollection(list):
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def __init__(self, *interfaces):
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self.extend(interfaces)
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def build_list_params(self, params, prefix=''):
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for i, spec in enumerate(self):
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full_prefix = '%sNetworkInterface.%s.' % (prefix, i)
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if spec.network_interface_id is not None:
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params[full_prefix + 'NetworkInterfaceId'] = \
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str(spec.network_interface_id)
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if spec.device_index is not None:
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params[full_prefix + 'DeviceIndex'] = \
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str(spec.device_index)
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else:
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params[full_prefix + 'DeviceIndex'] = 0
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if spec.subnet_id is not None:
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params[full_prefix + 'SubnetId'] = str(spec.subnet_id)
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if spec.description is not None:
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params[full_prefix + 'Description'] = str(spec.description)
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if spec.delete_on_termination is not None:
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params[full_prefix + 'DeleteOnTermination'] = \
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'true' if spec.delete_on_termination else 'false'
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if spec.secondary_private_ip_address_count is not None:
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params[full_prefix + 'SecondaryPrivateIpAddressCount'] = \
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str(spec.secondary_private_ip_address_count)
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if spec.private_ip_address is not None:
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params[full_prefix + 'PrivateIpAddress'] = \
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str(spec.private_ip_address)
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if spec.groups is not None:
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for j, group_id in enumerate(spec.groups):
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query_param_key = '%sSecurityGroupId.%s' % (full_prefix, j)
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params[query_param_key] = str(group_id)
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if spec.private_ip_addresses is not None:
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for k, ip_addr in enumerate(spec.private_ip_addresses):
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query_param_key_prefix = (
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'%sPrivateIpAddresses.%s' % (full_prefix, k))
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params[query_param_key_prefix + '.PrivateIpAddress'] = \
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str(ip_addr.private_ip_address)
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if ip_addr.primary is not None:
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params[query_param_key_prefix + '.Primary'] = \
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'true' if ip_addr.primary else 'false'
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# Associating Public IPs have special logic around them:
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#
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# * Only assignable on an device_index of ``0``
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# * Only on one interface
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# * Only if there are no other interfaces being created
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# * Only if it's a new interface (which we can't really guard
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# against)
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#
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# More details on http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-RunInstances.html
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if spec.associate_public_ip_address is not None:
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if not params[full_prefix + 'DeviceIndex'] in (0, '0'):
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raise BotoClientError(
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"Only the interface with device index of 0 can " + \
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"be provided when using " + \
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"'associate_public_ip_address'."
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)
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if len(self) > 1:
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raise BotoClientError(
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"Only one interface can be provided when using " + \
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"'associate_public_ip_address'."
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)
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key = full_prefix + 'AssociatePublicIpAddress'
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if spec.associate_public_ip_address:
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params[key] = 'true'
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else:
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params[key] = 'false'
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class NetworkInterfaceSpecification(object):
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def __init__(self, network_interface_id=None, device_index=None,
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subnet_id=None, description=None, private_ip_address=None,
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groups=None, delete_on_termination=None,
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private_ip_addresses=None,
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secondary_private_ip_address_count=None,
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associate_public_ip_address=None):
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self.network_interface_id = network_interface_id
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self.device_index = device_index
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self.subnet_id = subnet_id
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self.description = description
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self.private_ip_address = private_ip_address
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self.groups = groups
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self.delete_on_termination = delete_on_termination
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self.private_ip_addresses = private_ip_addresses
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self.secondary_private_ip_address_count = \
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secondary_private_ip_address_count
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self.associate_public_ip_address = associate_public_ip_address
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