1 files changed, 113 insertions, 0 deletions
diff --git a/ansible_collections/arista/eos/plugins/terminal/eos.py b/ansible_collections/arista/eos/plugins/terminal/eos.py
new file mode 100644
index 000000000..8ea27e296
--- /dev/null
+++ b/ansible_collections/arista/eos/plugins/terminal/eos.py
@@ -0,0 +1,113 @@
+#
+# (c) 2016 Red Hat Inc.
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from __future__ import absolute_import, division, print_function
+
+
+__metaclass__ = type
+
+import json
+import re
+
+from ansible.errors import AnsibleConnectionFailure
+from ansible.module_utils._text import to_bytes, to_text
+from ansible_collections.ansible.netcommon.plugins.plugin_utils.terminal_base import (
+    TerminalBase,
+)
+
+
+class TerminalModule(TerminalBase):
+    terminal_stdout_re = [
+        re.compile(rb"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
+        re.compile(rb"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$"),
+    ]
+
+    terminal_stderr_re = [
+        re.compile(rb"% ?Error"),
+        # re.compile(br"^% \w+", re.M),
+        re.compile(rb"% User not present"),
+        re.compile(rb"% ?Bad secret"),
+        re.compile(rb"invalid input", re.I),
+        re.compile(rb"(?:incomplete|ambiguous) command", re.I),
+        re.compile(rb"connection timed out", re.I),
+        # Strings like this regarding VLANs are not errors
+        re.compile(rb"[^\r\n]+ not found(?! in current VLAN)", re.I),
+        re.compile(rb"'[^']' +returned error code: ?\d+"),
+        re.compile(rb"[^\r\n](?<! shell )\/bin\/(?:ba)?sh"),
+        re.compile(rb"% More than \d+ OSPF instance", re.I),
+        re.compile(rb"% Subnet [0-9a-f.:/]+ overlaps", re.I),
+        re.compile(rb"Maximum number of pending sessions has been reached"),
+        re.compile(rb"% Prefix length must be less than"),
+        # returned in response to 'channel-group <name> mode <mode>'
+        re.compile(
+            rb"% Cannot change mode; remove all members and try again.",
+        ),
+    ]
+
+    terminal_config_prompt = re.compile(r"^.+\(config(-.*)?\)#$")
+
+    def on_open_shell(self):
+        try:
+            for cmd in (b"terminal length 0", b"terminal width 512"):
+                self._exec_cli_command(cmd)
+        except AnsibleConnectionFailure:
+            raise AnsibleConnectionFailure("unable to set terminal parameters")
+
+    def on_become(self, passwd=None):
+        if self._get_prompt().endswith(b"#"):
+            return
+
+        cmd = {"command": "enable"}
+        if passwd:
+            cmd["prompt"] = to_text(
+                r"[\r\n]?[Pp]assword: $",
+                errors="surrogate_or_strict",
+            )
+            cmd["answer"] = passwd
+            cmd["prompt_retry_check"] = True
+
+        try:
+            self._exec_cli_command(
+                to_bytes(json.dumps(cmd), errors="surrogate_or_strict"),
+            )
+            prompt = self._get_prompt()
+            if prompt is None or not prompt.endswith(b"#"):
+                raise AnsibleConnectionFailure(
+                    "failed to elevate privilege to enable mode still at prompt [%s]"
+                    % prompt,
+                )
+        except AnsibleConnectionFailure as e:
+            prompt = self._get_prompt()
+            raise AnsibleConnectionFailure(
+                "unable to elevate privilege to enable mode, at prompt [%s] with error: %s"
+                % (prompt, e.message),
+            )
+
+    def on_unbecome(self):
+        prompt = self._get_prompt()
+        if prompt is None:
+            # if prompt is None most likely the terminal is hung up at a prompt
+            return
+
+        if b"(config" in prompt:
+            self._exec_cli_command(b"end")
+            self._exec_cli_command(b"disable")
+
+        elif prompt.endswith(b"#"):
+            self._exec_cli_command(b"disable")