Add initial codes

[it/test.git] / ric_robot_suite / ric-python-utils / ricutils / E2SimUtils.py

diff --git a/ric_robot_suite/ric-python-utils/ricutils/E2SimUtils.py b/ric_robot_suite/ric-python-utils/ricutils/E2SimUtils.py
new file mode 100644 (file)
index 0000000..d5f3fa1
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+++ b/ric_robot_suite/ric-python-utils/ricutils/E2SimUtils.py
@@ -0,0 +1,58 @@
+#   Copyright (c) 2019 AT&T Intellectual Property.
+#   Copyright (c) 2019 Nokia.
+#
+#   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.
+
+from redis import Redis
+import string
+import random
+
+class E2SimUtils(object):
+ def __init__(self, dbaas, port=int(6379)):
+
+  self._db = Redis(host=dbaas, port=port)
+
+ def sdlKey(self, namespace, val):
+  return "{%s},%s" % (namespace, val)
+
+ def sdlKeyNamespace(self, k):
+   return k.split(",")[0][1:-1]
+
+ def sdlKeyVal(self, k):
+   return k.split(",")[1]
+
+ def e2RANKey(self, val):
+  return self.sdlKey("e2Manager", "RAN:" + val)
+
+ def e2RANKeyVal(self, k):
+  return self.sdlKeyVal(k).split(':')[-1]
+
+ def gNodeB(self, ranName="*"):
+  # return one or (by default) all e2 records
+  gnbs={}
+  for k in self._db.keys(self.e2RANKey(ranName)):
+   gnbs[self.e2RANKeyVal(k.decode('utf-8'))]=self._db.get(k)
+  return gnbs
+
+ def gNodeBDelete(self, ranName="*"):
+  # delete one or (by default) all e2 records
+  # returns the deleted records to avoid
+  # buyer's remorse.
+  gnbs = self.gNodeB(ranName)
+  for k in gnbs:
+   self._db.delete(self.e2RANKey(k))
+  return gnbs
+
+ def randomRANName(self, prefix=""):
+  prefix = prefix + ''.join(random.choice(string.ascii_uppercase) for _ in range(4-(min(4, len(prefix)))))
+  return prefix[0:4].upper() + ''.join(random.choice(string.digits) for _ in range(6))