1 files changed, 141 insertions, 0 deletions
diff --git a/src/leap/soledad/openstack.py b/src/leap/soledad/openstack.py
new file mode 100644
index 00000000..514a4c58
--- /dev/null
+++ b/src/leap/soledad/openstack.py
@@ -0,0 +1,141 @@
+from u1db.backends import CommonBackend
+from leap import *
+from u1db.remote.http_target import HTTPSyncTarget
+from swiftclient import client
+
+
+class OpenStackDatabase(CommonBackend):
+    """A U1DB implementation that uses OpenStack as its persistence layer."""
+
+    def __init__(self, auth_url, user, auth_key):
+        """Create a new OpenStack data container."""
+        self._auth_url = auth_url
+        self._user = user
+        self._auth_key = auth_key
+        self.set_document_factory(LeapDocument)
+        self._connection = swiftclient.Connection(self._auth_url, self._user,
+                                                  self._auth_key)
+
+    #-------------------------------------------------------------------------
+    # implemented methods from Database
+    #-------------------------------------------------------------------------
+
+    def set_document_factory(self, factory):
+        self._factory = factory
+
+    def set_document_size_limit(self, limit):
+        raise NotImplementedError(self.set_document_size_limit)
+
+    def whats_changed(self, old_generation=0):
+        raise NotImplementedError(self.whats_changed)
+
+    def get_doc(self, doc_id, include_deleted=False):
+        raise NotImplementedError(self.get_doc)
+
+    def get_all_docs(self, include_deleted=False):
+        """Get all documents from the database."""
+        raise NotImplementedError(self.get_all_docs)
+
+    def put_doc(self, doc):
+        raise NotImplementedError(self.put_doc)
+
+    def delete_doc(self, doc):
+        raise NotImplementedError(self.delete_doc)
+
+    # start of index-related methods: these are not supported by this backend.
+
+    def create_index(self, index_name, *index_expressions):
+        return False
+
+    def delete_index(self, index_name):
+        return False
+
+    def list_indexes(self):
+        return []
+
+    def get_from_index(self, index_name, *key_values):
+        return []
+
+    def get_range_from_index(self, index_name, start_value=None,
+                             end_value=None):
+        return []
+
+    def get_index_keys(self, index_name):
+        return []
+
+    # end of index-related methods: these are not supported by this backend.
+
+    def get_doc_conflicts(self, doc_id):
+        return []
+
+    def resolve_doc(self, doc, conflicted_doc_revs):
+        raise NotImplementedError(self.resolve_doc)
+
+    def get_sync_target(self):
+        return OpenStackSyncTarget(self)
+
+    def close(self):
+        raise NotImplementedError(self.close)
+
+    def sync(self, url, creds=None, autocreate=True):
+        raise NotImplementedError(self.close)
+
+    def _get_replica_gen_and_trans_id(self, other_replica_uid):
+        raise NotImplementedError(self._get_replica_gen_and_trans_id)
+
+    def _set_replica_gen_and_trans_id(self, other_replica_uid,
+                                      other_generation, other_transaction_id):
+        raise NotImplementedError(self._set_replica_gen_and_trans_id)
+
+    #-------------------------------------------------------------------------
+    # implemented methods from CommonBackend
+    #-------------------------------------------------------------------------
+
+    def _get_generation(self):
+        raise NotImplementedError(self._get_generation)
+
+    def _get_generation_info(self):
+        raise NotImplementedError(self._get_generation_info)
+
+    def _get_doc(self, doc_id, check_for_conflicts=False):
+        """Get just the document content, without fancy handling."""
+        raise NotImplementedError(self._get_doc)
+
+    def _has_conflicts(self, doc_id):
+        raise NotImplementedError(self._has_conflicts)
+
+    def _get_transaction_log(self):
+        raise NotImplementedError(self._get_transaction_log)
+
+    def _put_and_update_indexes(self, doc_id, old_doc, new_rev, content):
+        raise NotImplementedError(self._put_and_update_indexes)
+
+
+    def _get_trans_id_for_gen(self, generation):
+        raise NotImplementedError(self._get_trans_id_for_gen)
+
+    #-------------------------------------------------------------------------
+    # OpenStack specific methods
+    #-------------------------------------------------------------------------
+
+    def _is_initialized(self, c):
+        raise NotImplementedError(self._is_initialized)
+
+    def _initialize(self, c):
+        raise NotImplementedError(self._initialize)
+
+    def _get_auth(self):
+        self._url, self._auth_token = self._connection.get_auth(self._auth_url,
+                                                                self._user,
+                                                                self._auth_key)
+        return self._url, self.auth_token
+
+
+class OpenStackSyncTarget(HTTPSyncTarget):
+
+    def get_sync_info(self, source_replica_uid):
+        raise NotImplementedError(self.get_sync_info)
+
+    def record_sync_info(self, source_replica_uid, source_replica_generation,
+                         source_replica_transaction_id):
+        raise NotImplementedError(self.record_sync_info)