duplicity-team team mailing list archive

[Adrien Delhorme <adrien.delhorme@xxxxxxxxx>]

Adrien Delhorme has proposed merging lp:~adrien-delhorme/duplicity/hubic into lp:duplicity.

Requested reviews:
  duplicity-team (duplicity-team)

For more details, see:
https://code.launchpad.net/~adrien-delhorme/duplicity/hubic/+merge/240539

Add Hubic support through pyrax and a custom pyrax_identity module.
-- 
https://code.launchpad.net/~adrien-delhorme/duplicity/hubic/+merge/240539
Your team duplicity-team is requested to review the proposed merge of lp:~adrien-delhorme/duplicity/hubic into lp:duplicity.

=== added file 'duplicity/backends/hubicbackend.py'
--- duplicity/backends/hubicbackend.py	1970-01-01 00:00:00 +0000
+++ duplicity/backends/hubicbackend.py	2014-11-04 06:43:10 +0000
@@ -0,0 +1,82 @@
+# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
+#
+# Copyright 2013 J.P. Krauss <jkrauss@xxxxxxxxxxxxx>
+#
+# This file is part of duplicity.
+#
+# Duplicity is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# Duplicity is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with duplicity; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import os
+
+import duplicity.backend
+from duplicity import log
+from duplicity import util
+from duplicity.errors import BackendException
+from ._cf_pyrax import PyraxBackend
+
+
+class HubicBackend(PyraxBackend):
+    """
+    Backend for Hubic using Pyrax
+    """
+    def __init__(self, parsed_url):
+        try:
+            import pyrax
+        except ImportError:
+            raise BackendException("This backend requires the pyrax "
+                                   "library available from Rackspace.")
+
+        # Inform Pyrax that we're talking to Hubic
+        pyrax.set_setting("identity_type", "duplicity.backends.pyrax_identity.hubic.HubicIdentity")
+
+        CREDENTIALS_FILE = os.path.expanduser("~/.pyrax_cloud_credentials")
+        if os.path.exists(CREDENTIALS_FILE):
+            try:
+                pyrax.set_credential_file(CREDENTIALS_FILE)
+            except Exception as e:
+                log.FatalError("Connection failed, please check your credentials: %s %s"
+                               % (e.__class__.__name__, util.uexc(e)),
+                               log.ErrorCode.connection_failed)
+
+        else:
+            conn_kwargs = {}
+
+            if 'CLOUDFILES_USERNAME' not in os.environ:
+                raise BackendException('CLOUDFILES_USERNAME environment variable'
+                                       'not set.')
+
+            if 'CLOUDFILES_APIKEY' not in os.environ:
+                raise BackendException('CLOUDFILES_APIKEY environment variable not set.')
+
+            conn_kwargs['username'] = os.environ['CLOUDFILES_USERNAME']
+            conn_kwargs['api_key'] = os.environ['CLOUDFILES_APIKEY']
+
+            if 'CLOUDFILES_REGION' in os.environ:
+                conn_kwargs['region'] = os.environ['CLOUDFILES_REGION']
+
+            try:
+                pyrax.set_credentials(**conn_kwargs)
+            except Exception as e:
+                log.FatalError("Connection failed, please check your credentials: %s %s"
+                               % (e.__class__.__name__, util.uexc(e)),
+                               log.ErrorCode.connection_failed)
+
+        container = parsed_url.path.lstrip('/')
+
+        self.client_exc = pyrax.exceptions.ClientException
+        self.nso_exc = pyrax.exceptions.NoSuchObject
+        self.container = pyrax.cloudfiles.create_container(container)
+
+duplicity.backend.register_backend("hubic", HubicBackend)

=== modified file 'setup.py'
--- setup.py	2014-10-27 02:27:36 +0000
+++ setup.py	2014-11-04 06:43:10 +0000
@@ -132,6 +132,7 @@
       url="http://duplicity.nongnu.org/index.html";,
       packages = ['duplicity',
                   'duplicity.backends',
+                  'duplicity.backends.pyrax_identity',
                   'testing',
                   'testing.functional',
                   'testing.overrides',