1 files changed, 76 insertions, 0 deletions
diff --git a/compass-tasks/hdsdiscovery/vendors/ovswitch/ovswitch.py b/compass-tasks/hdsdiscovery/vendors/ovswitch/ovswitch.py
new file mode 100644
index 0000000..4d03328
--- /dev/null
+++ b/compass-tasks/hdsdiscovery/vendors/ovswitch/ovswitch.py
@@ -0,0 +1,76 @@
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Open Vswitch module."""
+import logging
+import re
+
+from compass.hdsdiscovery import base
+from compass.hdsdiscovery import utils
+
+
+# Vendor_loader will load vendor instance by CLASS_NAME
+CLASS_NAME = "OVSwitch"
+
+
+class OVSwitch(base.BaseVendor):
+    """Open Vswitch."""
+    def __init__(self):
+        self.__name = "Open vSwitch"
+
+    def is_this_vendor(self, sys_info, host=None, credential=None, **kwargs):
+        """Determine if the hostname is accociated witH this vendor.
+
+        :param host: swtich's IP address
+        :param credential: credential to access switch
+        """
+        result = sys_info
+        if host and credential:
+            if utils.is_valid_ssh_credential(credential):
+                user = credential['username']
+                pwd = credential['password']
+
+            else:
+                msg = ("[OVSwitch]The format of credential %r is not for SSH "
+                       "or incorrect Keywords! " % credential)
+                logging.info(msg)
+                return False
+
+            cmd = "ovs-vsctl -V"
+            result = None
+            try:
+                result = utils.ssh_remote_execute(host, user, pwd, cmd)
+                logging.debug('%s result for %s is %s', cmd, host, result)
+                if not result:
+                    return False
+            except Exception as exc:
+                logging.error("No vendor or connection failed to run %s", cmd)
+                logging.exception(exc)
+                return False
+
+            if isinstance(result, str):
+                result = [result]
+
+        for line in result:
+            if not line:
+                continue
+            if re.search(r"\b" + re.escape(self.__name) + r"\b", line):
+                return True
+
+        return False
+
+    @property
+    def name(self):
+        """Open Vswitch name."""
+        return self.__name