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# Copyright (c) 2006-2010 Chris Moyer http://coredumped.org/
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
import uuid
from boto.compat import urllib
from boto.resultset import ResultSet
class InvalidationBatch(object):
"""A simple invalidation request.
:see: http://docs.amazonwebservices.com/AmazonCloudFront/2010-08-01/APIReference/index.html?InvalidationBatchDatatype.html
"""
def __init__(self, paths=None, connection=None, distribution=None, caller_reference=''):
"""Create a new invalidation request:
:paths: An array of paths to invalidate
"""
self.paths = paths or []
self.distribution = distribution
self.caller_reference = caller_reference
if not self.caller_reference:
self.caller_reference = str(uuid.uuid4())
# If we passed in a distribution,
# then we use that as the connection object
if distribution:
self.connection = distribution
else:
self.connection = connection
def __repr__(self):
return '<InvalidationBatch: %s>' % self.id
def add(self, path):
"""Add another path to this invalidation request"""
return self.paths.append(path)
def remove(self, path):
"""Remove a path from this invalidation request"""
return self.paths.remove(path)
def __iter__(self):
return iter(self.paths)
def __getitem__(self, i):
return self.paths[i]
def __setitem__(self, k, v):
self.paths[k] = v
def escape(self, p):
"""Escape a path, make sure it begins with a slash and contains no invalid characters. Retain literal wildcard characters."""
if not p[0] == "/":
p = "/%s" % p
return urllib.parse.quote(p, safe = "/*")
def to_xml(self):
"""Get this batch as XML"""
assert self.connection is not None
s = '<?xml version="1.0" encoding="UTF-8"?>\n'
s += '<InvalidationBatch xmlns="http://cloudfront.amazonaws.com/doc/%s/">\n' % self.connection.Version
for p in self.paths:
s += ' <Path>%s</Path>\n' % self.escape(p)
s += ' <CallerReference>%s</CallerReference>\n' % self.caller_reference
s += '</InvalidationBatch>\n'
return s
def startElement(self, name, attrs, connection):
if name == "InvalidationBatch":
self.paths = []
return None
def endElement(self, name, value, connection):
if name == 'Path':
self.paths.append(value)
elif name == "Status":
self.status = value
elif name == "Id":
self.id = value
elif name == "CreateTime":
self.create_time = value
elif name == "CallerReference":
self.caller_reference = value
return None
class InvalidationListResultSet(object):
"""
A resultset for listing invalidations on a given CloudFront distribution.
Implements the iterator interface and transparently handles paging results
from CF so even if you have many thousands of invalidations on the
distribution you can iterate over all invalidations in a reasonably
efficient manner.
"""
def __init__(self, markers=None, connection=None, distribution_id=None,
invalidations=None, marker='', next_marker=None,
max_items=None, is_truncated=False):
self.markers = markers or []
self.connection = connection
self.distribution_id = distribution_id
self.marker = marker
self.next_marker = next_marker
self.max_items = max_items
self.auto_paginate = max_items is None
self.is_truncated = is_truncated
self._inval_cache = invalidations or []
def __iter__(self):
"""
A generator function for listing invalidation requests for a given
CloudFront distribution.
"""
conn = self.connection
distribution_id = self.distribution_id
result_set = self
for inval in result_set._inval_cache:
yield inval
if not self.auto_paginate:
return
while result_set.is_truncated:
result_set = conn.get_invalidation_requests(distribution_id,
marker=result_set.next_marker,
max_items=result_set.max_items)
for i in result_set._inval_cache:
yield i
def startElement(self, name, attrs, connection):
for root_elem, handler in self.markers:
if name == root_elem:
obj = handler(connection, distribution_id=self.distribution_id)
self._inval_cache.append(obj)
return obj
def endElement(self, name, value, connection):
if name == 'IsTruncated':
self.is_truncated = self.to_boolean(value)
elif name == 'Marker':
self.marker = value
elif name == 'NextMarker':
self.next_marker = value
elif name == 'MaxItems':
self.max_items = int(value)
def to_boolean(self, value, true_value='true'):
if value == true_value:
return True
else:
return False
class InvalidationSummary(object):
"""
Represents InvalidationSummary complex type in CloudFront API that lists
the id and status of a given invalidation request.
"""
def __init__(self, connection=None, distribution_id=None, id='',
status=''):
self.connection = connection
self.distribution_id = distribution_id
self.id = id
self.status = status
def __repr__(self):
return '<InvalidationSummary: %s>' % self.id
def startElement(self, name, attrs, connection):
pass
def endElement(self, name, value, connection):
if name == 'Id':
self.id = value
elif name == 'Status':
self.status = value
def get_distribution(self):
"""
Returns a Distribution object representing the parent CloudFront
distribution of the invalidation request listed in the
InvalidationSummary.
:rtype: :class:`boto.cloudfront.distribution.Distribution`
:returns: A Distribution object representing the parent CloudFront
distribution of the invalidation request listed in the
InvalidationSummary
"""
return self.connection.get_distribution_info(self.distribution_id)
def get_invalidation_request(self):
"""
Returns an InvalidationBatch object representing the invalidation
request referred to in the InvalidationSummary.
:rtype: :class:`boto.cloudfront.invalidation.InvalidationBatch`
:returns: An InvalidationBatch object representing the invalidation
request referred to by the InvalidationSummary
"""
return self.connection.invalidation_request_status(
self.distribution_id, self.id)
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