5:34 p.m.
From: Aline Manera <alinefm(a)br.ibm.com>
The model implementation for storage target and its sub-resources were added to
model_/storagetargets.py
Signed-off-by: Aline Manera <alinefm(a)br.ibm.com>
---
src/kimchi/model_/storagetargets.py | 86 +++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 src/kimchi/model_/storagetargets.py
diff --git a/src/kimchi/model_/storagetargets.py b/src/kimchi/model_/storagetargets.py
new file mode 100644
index 0000000..be73732
--- /dev/null
+++ b/src/kimchi/model_/storagetargets.py
@@ -0,0 +1,86 @@
+#
+# Project Kimchi
+#
+# Copyright IBM, Corp. 2013
+#
+# Authors:
+# Aline Manera <alinefm(a)linux.vnet.ibm.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+import libvirt
+import lxml.etree as ET
+from lxml import objectify
+from lxml.builder import E
+
+from kimchi.model_.config import CapabilitiesModel
+from kimchi.model_.storagepools import STORAGE_SOURCES
+from kimchi.utils import kimchi_log, patch_find_nfs_target
+
+
+class StorageTargetsModel(object):
+ def __init__(self, **kargs):
+ self.conn = kargs['conn']
+ self.caps = CapabilitiesModel()
+
+ def get_list(self, storage_server, _target_type=None):
+ target_list = list()
+
+ if not _target_type:
+ target_types = STORAGE_SOURCES.keys()
+ else:
+ target_types = [_target_type]
+
+ for target_type in target_types:
+ if not self.caps.nfs_target_probe and target_type == 'netfs':
+ targets = patch_find_nfs_target(storage_server)
+ else:
+ xml = self._get_storage_server_spec(server=storage_server,
+ target_type=target_type)
+ conn = self.conn.get()
+ try:
+ ret = conn.findStoragePoolSources(target_type, xml, 0)
+ except libvirt.libvirtError as e:
+ err = "Query storage pool source fails because of %s"
+ kimchi_log.warning(err, e.get_error_message())
+ continue
+
+ targets = self._parse_target_source_result(target_type, ret)
+
+ target_list.extend(targets)
+ return target_list
+
+ def _get_storage_server_spec(**kwargs):
+ # Required parameters:
+ # server:
+ # target_type:
+ extra_args = []
+ if kwargs['target_type'] == 'netfs':
+ extra_args.append(E.format(type='nfs'))
+ obj = E.source(E.host(name=kwargs['server']), *extra_args)
+ xml = ET.tostring(obj)
+ return xml
+
+ def _parse_target_source_result(target_type, xml_str):
+ root = objectify.fromstring(xml_str)
+ ret = []
+ for source in root.getchildren():
+ if target_type == 'netfs':
+ host_name = source.host.get('name')
+ target_path = source.dir.get('path')
+ type = source.format.get('type')
+ ret.append(dict(host=host_name, target_type=type,
+ target=target_path))
+ return ret
--
1.7.10.4