Root Zanli
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
opt
/
gsutil
/
gslib
/
vendored
/
boto
/
boto
/
cloudfront
/
Filename :
invalidation.py
back
Copy
# 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)