Rename validator/ to config/

config/lcp.py

@@ -0,0 +1,45 @@
+#
+# Copyright (c) 2022 Pim van Pelt
+#
+# 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 logging
+
+def get_lcps(yaml, interfaces=True, loopbacks=True, bridgedomains=True):
+    """ Returns a list of LCPs configured in the system. Optionally (de)select the different
+    types of LCP. Return an empty list if there are none of the given type(s). """
+
+    ret = []
+    if interfaces and 'interfaces' in yaml:
+        for ifname, iface in yaml['interfaces'].items():
+            if 'lcp' in iface:
+                ret.append(iface['lcp'])
+            if 'sub-interfaces' in iface:
+                for subid, sub_iface in iface['sub-interfaces'].items():
+                    if 'lcp' in sub_iface:
+                        ret.append(sub_iface['lcp'])
+
+    if loopbacks and 'loopbacks' in yaml:
+        for ifname, iface in yaml['loopbacks'].items():
+            if 'lcp' in iface:
+                ret.append(iface['lcp'])
+    if bridgedomains and 'bridgedomains' in yaml:
+        for ifname, iface in yaml['bridgedomains'].items():
+            if 'lcp' in iface:
+                ret.append(iface['lcp'])
+
+    return ret
+
+def is_unique(yaml, lcpname):
+    """ Returns True if there is at most one occurence of the LCP name in the entire config."""
+
+    lcps = get_lcps(yaml)
+    return lcps.count(lcpname) < 2