112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
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# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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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 Keypair
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"""
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import os
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from boto.ec2.ec2object import EC2Object
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from boto.exception import BotoClientError
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class KeyPair(EC2Object):
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def __init__(self, connection=None):
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super(KeyPair, self).__init__(connection)
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self.name = None
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self.fingerprint = None
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self.material = None
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def __repr__(self):
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return 'KeyPair:%s' % self.name
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def endElement(self, name, value, connection):
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if name == 'keyName':
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self.name = value
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elif name == 'keyFingerprint':
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self.fingerprint = value
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elif name == 'keyMaterial':
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self.material = value
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else:
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setattr(self, name, value)
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def delete(self, dry_run=False):
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"""
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Delete the KeyPair.
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:rtype: bool
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:return: True if successful, otherwise False.
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"""
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return self.connection.delete_key_pair(self.name, dry_run=dry_run)
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def save(self, directory_path):
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"""
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Save the material (the unencrypted PEM encoded RSA private key)
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of a newly created KeyPair to a local file.
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:type directory_path: string
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:param directory_path: The fully qualified path to the directory
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in which the keypair will be saved. The
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keypair file will be named using the name
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of the keypair as the base name and .pem
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for the file extension. If a file of that
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name already exists in the directory, an
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exception will be raised and the old file
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will not be overwritten.
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:rtype: bool
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:return: True if successful.
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"""
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if self.material:
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directory_path = os.path.expanduser(directory_path)
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file_path = os.path.join(directory_path, '%s.pem' % self.name)
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if os.path.exists(file_path):
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raise BotoClientError('%s already exists, it will not be overwritten' % file_path)
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fp = open(file_path, 'wb')
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fp.write(self.material)
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fp.close()
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os.chmod(file_path, 0o600)
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return True
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else:
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raise BotoClientError('KeyPair contains no material')
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def copy_to_region(self, region, dry_run=False):
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"""
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Create a new key pair of the same new in another region.
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Note that the new key pair will use a different ssh
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cert than the this key pair. After doing the copy,
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you will need to save the material associated with the
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new key pair (use the save method) to a local file.
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:type region: :class:`boto.ec2.regioninfo.RegionInfo`
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:param region: The region to which this security group will be copied.
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:rtype: :class:`boto.ec2.keypair.KeyPair`
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:return: The new key pair
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"""
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if region.name == self.region:
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raise BotoClientError('Unable to copy to the same Region')
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conn_params = self.connection.get_params()
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rconn = region.connect(**conn_params)
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kp = rconn.create_key_pair(self.name, dry_run=dry_run)
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return kp
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