Scripts to download files from google storage based on sha1 sums

third_party/gsutil/boto/boto/route53/zone.py

Index: third_party/gsutil/boto/boto/route53/zone.py
diff --git a/third_party/gsutil/boto/boto/route53/zone.py b/third_party/gsutil/boto/boto/route53/zone.py
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+# Copyright (c) 2011 Blue Pines Technologies LLC, Brad Carleton
+# www.bluepines.org
+# Copyright (c) 2012 42 Lines Inc., Jim Browne
+# All rights reserved.
+#
+# 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.
+
+default_ttl = 60
+
+import copy
+from boto.exception import TooManyRecordsException
+from boto.route53.record import ResourceRecordSets
+from boto.route53.status import Status
+
+
+class Zone(object):
+    """
+    A Route53 Zone.
+
+    :ivar Route53Connection route53connection
+    :ivar str Id: The ID of the hosted zone.
+    """
+    def __init__(self, route53connection, zone_dict):
+        self.route53connection = route53connection
+        for key in zone_dict:
+            if key == 'Id':
+                self.id = zone_dict['Id'].replace('/hostedzone/', '')
+            else:
+                self.__setattr__(key.lower(), zone_dict[key])
+
+    def __repr__(self):
+        return '<Zone:%s>' % self.name
+
+    def _commit(self, changes):
+        """
+        Commit a set of changes and return the ChangeInfo portion of
+        the response.
+
+        :type changes: ResourceRecordSets
+        :param changes: changes to be committed
+        """
+        response = changes.commit()
+        return response['ChangeResourceRecordSetsResponse']['ChangeInfo']
+
+    def _new_record(self, changes, resource_type, name, value, ttl, identifier,
+                   comment=""):
+        """
+        Add a CREATE change record to an existing ResourceRecordSets
+
+        :type changes: ResourceRecordSets
+        :param changes: change set to append to
+
+        :type name: str
+        :param name: The name of the resource record you want to
+            perform the action on.
+
+        :type resource_type: str
+        :param resource_type: The DNS record type
+
+        :param value: Appropriate value for resource_type
+
+        :type ttl: int
+        :param ttl: The resource record cache time to live (TTL), in seconds.
+
+        :type identifier: tuple
+        :param identifier: A tuple for setting WRR or LBR attributes.  Valid
+           forms are:
+
+           * (str, int): WRR record [e.g. ('foo',10)]
+           * (str, str): LBR record [e.g. ('foo','us-east-1')
+
+        :type comment: str
+        :param comment: A comment that will be stored with the change.
+        """
+        weight = None
+        region = None
+        if identifier is not None:
+            try:
+                int(identifier[1])
+                weight = identifier[1]
+                identifier = identifier[0]
+            except:
+                region = identifier[1]
+                identifier = identifier[0]
+        change = changes.add_change("CREATE", name, resource_type, ttl,
+                                    identifier=identifier, weight=weight,
+                                    region=region)
+        if type(value) in [list, tuple, set]:
+            for record in value:
+                change.add_value(record)
+        else:
+            change.add_value(value)
+
+    def add_record(self, resource_type, name, value, ttl=60, identifier=None,
+                   comment=""):
+        """
+        Add a new record to this Zone.  See _new_record for parameter
+        documentation.  Returns a Status object.
+        """
+        changes = ResourceRecordSets(self.route53connection, self.id, comment)
+        self._new_record(changes, resource_type, name, value, ttl, identifier,
+                         comment)
+        return Status(self.route53connection, self._commit(changes))
+
+    def update_record(self, old_record, new_value, new_ttl=None,
+                      new_identifier=None, comment=""):
+        """
+        Update an existing record in this Zone.  Returns a Status object.
+
+        :type old_record: ResourceRecord
+        :param old_record: A ResourceRecord (e.g. returned by find_records)
+
+        See _new_record for additional parameter documentation.
+        """
+        new_ttl = new_ttl or default_ttl
+        record = copy.copy(old_record)
+        changes = ResourceRecordSets(self.route53connection, self.id, comment)
+        changes.add_change_record("DELETE", record)
+        self._new_record(changes, record.type, record.name,
+                         new_value, new_ttl, new_identifier, comment)
+        return Status(self.route53connection, self._commit(changes))
+
+    def delete_record(self, record, comment=""):
+        """
+        Delete one or more records from this Zone.  Returns a Status object.
+
+        :param record: A ResourceRecord (e.g. returned by
+           find_records) or list, tuple, or set of ResourceRecords.
+
+        :type comment: str
+        :param comment: A comment that will be stored with the change.
+        """
+        changes = ResourceRecordSets(self.route53connection, self.id, comment)
+        if type(record) in [list, tuple, set]:
+            for r in record:
+                changes.add_change_record("DELETE", r)
+        else:
+            changes.add_change_record("DELETE", record)
+        return Status(self.route53connection, self._commit(changes))
+
+    def add_cname(self, name, value, ttl=None, identifier=None, comment=""):
+        """
+        Add a new CNAME record to this Zone.  See _new_record for
+        parameter documentation.  Returns a Status object.
+        """
+        ttl = ttl or default_ttl
+        name = self.route53connection._make_qualified(name)
+        value = self.route53connection._make_qualified(value)
+        return self.add_record(resource_type='CNAME',
+                               name=name,
+                               value=value,
+                               ttl=ttl,
+                               identifier=identifier,
+                               comment=comment)
+
+    def add_a(self, name, value, ttl=None, identifier=None, comment=""):
+        """
+        Add a new A record to this Zone.  See _new_record for
+        parameter documentation.  Returns a Status object.
+        """
+        ttl = ttl or default_ttl
+        name = self.route53connection._make_qualified(name)
+        return self.add_record(resource_type='A',
+                               name=name,
+                               value=value,
+                               ttl=ttl,
+                               identifier=identifier,
+                               comment=comment)
+
+    def add_mx(self, name, records, ttl=None, identifier=None, comment=""):
+        """
+        Add a new MX record to this Zone.  See _new_record for
+        parameter documentation.  Returns a Status object.
+        """
+        ttl = ttl or default_ttl
+        records = self.route53connection._make_qualified(records)
+        return self.add_record(resource_type='MX',
+                               name=name,
+                               value=records,
+                               ttl=ttl,
+                               identifier=identifier,
+                               comment=comment)
+
+    def find_records(self, name, type, desired=1, all=False, identifier=None):
+        """
+        Search this Zone for records that match given parameters.
+        Returns None if no results, a ResourceRecord if one result, or
+        a ResourceRecordSets if more than one result.
+
+        :type name: str
+        :param name: The name of the records should match this parameter
+
+        :type type: str
+        :param type: The type of the records should match this parameter
+
+        :type desired: int
+        :param desired: The number of desired results.  If the number of
+           matching records in the Zone exceeds the value of this parameter,
+           throw TooManyRecordsException
+
+        :type all: Boolean
+        :param all: If true return all records that match name, type, and
+          identifier parameters
+
+        :type identifier: Tuple
+        :param identifier: A tuple specifying WRR or LBR attributes.  Valid
+           forms are:
+
+           * (str, int): WRR record [e.g. ('foo',10)]
+           * (str, str): LBR record [e.g. ('foo','us-east-1')
+
+        """
+        name = self.route53connection._make_qualified(name)
+        returned = self.route53connection.get_all_rrsets(self.id, name=name,
+                                                         type=type)
+
+        # name/type for get_all_rrsets sets the starting record; they
+        # are not a filter
+        results = [r for r in returned if r.name == name and r.type == type]
+
+        weight = None
+        region = None
+        if identifier is not None:
+            try:
+                int(identifier[1])
+                weight = identifier[1]
+            except:
+                region = identifier[1]
+
+        if weight is not None:
+            results = [r for r in results if (r.weight == weight and
+                                              r.identifier == identifier[0])]
+        if region is not None:
+            results = [r for r in results if (r.region == region and
+                                              r.identifier == identifier[0])]
+
+        if ((not all) and (len(results) > desired)):
+            message = "Search: name %s type %s" % (name, type)
+            message += "\nFound: "
+            message += ", ".join(["%s %s %s" % (r.name, r.type, r.to_print())
+                                  for r in results])
+            raise TooManyRecordsException(message)
+        elif len(results) > 1:
+            return results
+        elif len(results) == 1:
+            return results[0]
+        else:
+            return None
+
+    def get_cname(self, name, all=False):
+        """
+        Search this Zone for CNAME records that match name.
+
+        Returns a ResourceRecord.
+
+        If there is more than one match return all as a
+        ResourceRecordSets if all is True, otherwise throws
+        TooManyRecordsException.
+        """
+        return self.find_records(name, 'CNAME', all=all)
+
+    def get_a(self, name, all=False):
+        """
+        Search this Zone for A records that match name.
+
+        Returns a ResourceRecord.
+
+        If there is more than one match return all as a
+        ResourceRecordSets if all is True, otherwise throws
+        TooManyRecordsException.
+        """
+        return self.find_records(name, 'A', all=all)
+
+    def get_mx(self, name, all=False):
+        """
+        Search this Zone for MX records that match name.
+
+        Returns a ResourceRecord.
+
+        If there is more than one match return all as a
+        ResourceRecordSets if all is True, otherwise throws
+        TooManyRecordsException.
+        """
+        return self.find_records(name, 'MX', all=all)
+
+    def update_cname(self, name, value, ttl=None, identifier=None, comment=""):
+        """
+        Update the given CNAME record in this Zone to a new value, ttl,
+        and identifier.  Returns a Status object.
+
+        Will throw TooManyRecordsException is name, value does not match
+        a single record.
+        """
+        name = self.route53connection._make_qualified(name)
+        value = self.route53connection._make_qualified(value)
+        old_record = self.get_cname(name)
+        ttl = ttl or old_record.ttl
+        return self.update_record(old_record,
+                                  new_value=value,
+                                  new_ttl=ttl,
+                                  new_identifier=identifier,
+                                  comment=comment)
+
+    def update_a(self, name, value, ttl=None, identifier=None, comment=""):
+        """
+        Update the given A record in this Zone to a new value, ttl,
+        and identifier.  Returns a Status object.
+
+        Will throw TooManyRecordsException is name, value does not match
+        a single record.
+        """
+        name = self.route53connection._make_qualified(name)
+        old_record = self.get_a(name)
+        ttl = ttl or old_record.ttl
+        return self.update_record(old_record,
+                                  new_value=value,
+                                  new_ttl=ttl,
+                                  new_identifier=identifier,
+                                  comment=comment)
+
+    def update_mx(self, name, value, ttl=None, identifier=None, comment=""):
+        """
+        Update the given MX record in this Zone to a new value, ttl,
+        and identifier.  Returns a Status object.
+
+        Will throw TooManyRecordsException is name, value does not match
+        a single record.
+        """
+        name = self.route53connection._make_qualified(name)
+        value = self.route53connection._make_qualified(value)
+        old_record = self.get_mx(name)
+        ttl = ttl or old_record.ttl
+        return self.update_record(old_record,
+                                  new_value=value,
+                                  new_ttl=ttl,
+                                  new_identifier=identifier,
+                                  comment=comment)
+
+    def delete_cname(self, name, identifier=None, all=False):
+        """
+        Delete a CNAME record matching name and identifier from
+        this Zone.  Returns a Status object.
+
+        If there is more than one match delete all matching records if
+        all is True, otherwise throws TooManyRecordsException.
+        """
+        name = self.route53connection._make_qualified(name)
+        record = self.find_records(name, 'CNAME', identifier=identifier,
+                                   all=all)
+        return self.delete_record(record)
+
+    def delete_a(self, name, identifier=None, all=False):
+        """
+        Delete an A record matching name and identifier from this
+        Zone.  Returns a Status object.
+
+        If there is more than one match delete all matching records if
+        all is True, otherwise throws TooManyRecordsException.
+        """
+        name = self.route53connection._make_qualified(name)
+        record = self.find_records(name, 'A', identifier=identifier,
+                                   all=all)
+        return self.delete_record(record)
+
+    def delete_mx(self, name, identifier=None, all=False):
+        """
+        Delete an MX record matching name and identifier from this
+        Zone.  Returns a Status object.
+
+        If there is more than one match delete all matching records if
+        all is True, otherwise throws TooManyRecordsException.
+        """
+        name = self.route53connection._make_qualified(name)
+        record = self.find_records(name, 'MX', identifier=identifier,
+                                   all=all)
+        return self.delete_record(record)
+
+    def get_records(self):
+        """
+        Return a ResourceRecordsSets for all of the records in this zone.
+        """
+        return self.route53connection.get_all_rrsets(self.id)
+
+    def delete(self):
+        """
+        Request that this zone be deleted by Amazon.
+        """
+        self.route53connection.delete_hosted_zone(self.id)
+
+    def get_nameservers(self):
+        """ Get the list of nameservers for this zone."""
+        ns = self.find_records(self.name, 'NS')
+        if ns is not None:
+            ns = ns.resource_records
+        return ns