Ensure that LCP names are globally unique (between interface/sub-interface/loopback/bridgedomain)

validator/lcp.py

@@ -0,0 +1,24 @@
+import logging
+
+def is_unique(yaml, lcpname):
+    """ Returns True if there is at most one occurence of the LCP name in the entire config."""
+    ncount=0
+    if 'interfaces' in yaml:
+        for ifname, iface in yaml['interfaces'].items():
+            if 'lcp' in iface and iface['lcp'] == lcpname:
+                ncount = ncount + 1
+            if 'sub-interfaces' in iface:
+                for sub_ifname, sub_iface in iface['sub-interfaces'].items():
+                    if 'lcp' in sub_iface and sub_iface['lcp'] == lcpname:
+                        ncount = ncount + 1
+    if 'loopbacks' in yaml:
+        for ifname, iface in yaml['loopbacks'].items():
+            if 'lcp' in iface and iface['lcp'] == lcpname:
+                ncount = ncount + 1
+    if 'bridgedomains' in yaml:
+        for ifname, iface in yaml['bridgedomains'].items():
+            if 'lcp' in iface and iface['lcp'] == lcpname:
+                ncount = ncount + 1
+    if ncount > 1:
+        return False
+    return True