To fix EOS_FACTS failure when lldp will be disabled. (#42347)

* to fix the bug 41165

* adding the changelog file

* Hook check_rc failure up so that this will actually work

* Update eos_facts-failure.yml

changelogs/fragments/eos_facts-failure.yml

@@ -0,0 +1,4 @@
+---
+bugfixes:
+  - eos_facts - fix failure when lldp will be disabled 
+    (https://github.com/ansible/ansible/pull/42347)

lib/ansible/module_utils/network/eos/eos.py

@@ -176,7 +176,12 @@ class Cli:
                 prompt = None
                 answer = None
 
+            try:
                 out = connection.get(command, prompt, answer)
+            except ConnectionError as exc:
+                if check_rc:
+                    raise
+                out = getattr(exc, 'err', exc)
             out = to_text(out, errors='surrogate_or_strict')
 
             try:
@@ -338,7 +343,7 @@ class Eapi:
 
         return response
 
-    def run_commands(self, commands):
+    def run_commands(self, commands, check_rc=True):
         """Runs list of commands on remote device and returns results
         """
         output = None
@@ -493,9 +498,9 @@ def get_config(module, flags=None):
     return conn.get_config(flags)
 
 
-def run_commands(module, commands):
+def run_commands(module, commands, check_rc=True):
     conn = get_connection(module)
-    return conn.run_commands(to_command(module, commands))
+    return conn.run_commands(to_command(module, commands), check_rc)
 
 
 def load_config(module, config, commit=False, replace=False):

lib/ansible/modules/network/eos/eos_facts.py

@@ -153,7 +153,7 @@ class FactsBase(object):
         self.responses = None
 
     def populate(self):
-        self.responses = run_commands(self.module, list(self.COMMANDS))
+        self.responses = run_commands(self.module, list(self.COMMANDS), check_rc=False)
 
 
 class Default(FactsBase):
@@ -258,6 +258,7 @@ class Interfaces(FactsBase):
         self.facts['interfaces'] = self.populate_interfaces(data)
 
         data = self.responses[1]
+        if data:
             self.facts['neighbors'] = self.populate_neighbors(data['lldpNeighbors'])
 
     def populate_interfaces(self, data):