Add cloudtaf framework

[ta/cloudtaf.git] / libraries / cluster / testutils / ippool.py

diff --git a/libraries/cluster/testutils/ippool.py b/libraries/cluster/testutils/ippool.py
new file mode 100644 (file)
index 0000000..1f42100
--- /dev/null
+++ b/libraries/cluster/testutils/ippool.py
@@ -0,0 +1,32 @@
+# Copyright 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.
+
+import itertools
+
+
+class IPPool(object):
+    def __init__(self):
+        self._internal_ip = self._ip_gen(base='192.168.1')
+        self._external_ip = self._ip_gen(base='10.1.1')
+
+    def get_internal_ip(self):
+        return next(self._internal_ip)
+
+    def get_external_ip(self):
+        return next(self._external_ip)
+
+    @staticmethod
+    def _ip_gen(base):
+        for i in itertools.count(start=2):  # pragma: no branch
+            yield '{base}.{i}'.format(base=base, i=i)