From 328dba073dc72fd2d87ba85e4e8eb93e50358f31 Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Tue, 17 Jan 2023 15:23:00 +0100
Subject: ifb: T4938: add Python implementation for input function block
 interfaces

---
 src/conf_mode/interfaces-input.py | 70 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 src/conf_mode/interfaces-input.py

(limited to 'src/conf_mode/interfaces-input.py')

diff --git a/src/conf_mode/interfaces-input.py b/src/conf_mode/interfaces-input.py
new file mode 100755
index 000000000..ad248843d
--- /dev/null
+++ b/src/conf_mode/interfaces-input.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from sys import exit
+
+from vyos.config import Config
+from vyos.configdict import get_interface_dict
+from vyos.configverify import verify_mirror_redirect
+from vyos.ifconfig import InputIf
+from vyos import ConfigError
+from vyos import airbag
+airbag.enable()
+
+def get_config(config=None):
+    """
+    Retrive CLI config as dictionary. Dictionary can never be empty, as at
+    least the interface name will be added or a deleted flag
+    """
+    if config:
+        conf = config
+    else:
+        conf = Config()
+    base = ['interfaces', 'input']
+    _, ifb = get_interface_dict(conf, base)
+
+    return ifb
+
+def verify(ifb):
+    if 'deleted' in ifb:
+        return None
+
+    verify_mirror_redirect(ifb)
+    return None
+
+def generate(ifb):
+    return None
+
+def apply(ifb):
+    d = InputIf(ifb['ifname'])
+
+    # Remove input interface
+    if 'deleted' in ifb:
+        d.remove()
+    else:
+        d.update(ifb)
+
+    return None
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)
-- 
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