Network Module: EOS (#16158)

* add new module network

* move EOS to NetworkModule

* shell.py Python 3.x compatibility

* implements the Command class through the connection for eos

This implements a new Command class that specifies the cli command
and output format.  This removes the need to batch commands through
the connection

* initial add of netcmd module

lib/ansible/module_utils/shell.py

@@ -19,6 +19,8 @@
 import re
 import socket
 
+from ansible.module_utils.basic import get_exception
+
 # py2 vs py3; replace with six via ziploader
 try:
     from StringIO import StringIO
@@ -156,6 +158,9 @@ class Shell(object):
                 responses.append(self.receive(command))
         except socket.timeout:
             raise ShellError("timeout trying to send command", cmd)
+        except socket.error:
+            exc = get_exception()
+            raise ShellError("problem sending command to host: %s" % exc.message)
         return responses
 
     def close(self):