[WIP] Add new network module for EdgeOS (#33109)

* Add edgeos network module using network_cli

* Add documentation and some sanity test fixes

* Update copyright and documentation

lib/ansible/plugins/terminal/edgeos.py

@@ -0,0 +1,36 @@
+# Copyright: (c) 2017, Ansible Project
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import os
+import re
+
+from ansible.plugins.terminal import TerminalBase
+from ansible.errors import AnsibleConnectionFailure
+
+
+class TerminalModule(TerminalBase):
+
+    terminal_stdout_re = [
+        re.compile(br"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
+        re.compile(br"\@[\w\-\.]+:\S+?[>#\$] ?$")
+    ]
+
+    terminal_stderr_re = [
+        re.compile(br"\n\s*command not found"),
+        re.compile(br"\nInvalid command"),
+        re.compile(br"\nCommit failed"),
+        re.compile(br"\n\s*Set failed"),
+    ]
+
+    terminal_length = os.getenv('ANSIBLE_EDGEOS_TERMINAL_LENGTH', 10000)
+
+    def on_open_shell(self):
+        try:
+            self._exec_cli_command('export VYATTA_PAGER=cat')
+            self._exec_cli_command('stty rows %s' % self.terminal_length)
+        except AnsibleConnectionFailure:
+            raise AnsibleConnectionFailure('unable to set terminal parameters')