1 files changed, 87 insertions, 0 deletions
diff --git a/src/conf_mode/qos.py b/src/conf_mode/qos.py
new file mode 100755
index 000000000..dbe3be225
--- /dev/null
+++ b/src/conf_mode/qos.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 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 dict_merge
+from vyos.xml import defaults
+from vyos import ConfigError
+from vyos import airbag
+airbag.enable()
+
+def get_config(config=None):
+    if config:
+        conf = config
+    else:
+        conf = Config()
+    base = ['qos']
+    if not conf.exists(base):
+        return None
+
+    qos = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True)
+
+    if 'policy' in qos:
+        for policy in qos['policy']:
+            # CLI mangles - to _ for better Jinja2 compatibility - do we need
+            # Jinja2 here?
+            policy = policy.replace('-','_')
+
+            default_values = defaults(base + ['policy', policy])
+
+            # class is another tag node which requires individual handling
+            class_default_values = defaults(base + ['policy', policy, 'class'])
+            if 'class' in default_values:
+                del default_values['class']
+
+            for p_name, p_config in qos['policy'][policy].items():
+                qos['policy'][policy][p_name] = dict_merge(
+                    default_values, qos['policy'][policy][p_name])
+
+                if 'class' in p_config:
+                    for p_class in p_config['class']:
+                        qos['policy'][policy][p_name]['class'][p_class] = dict_merge(
+                            class_default_values, qos['policy'][policy][p_name]['class'][p_class])
+
+    import pprint
+    pprint.pprint(qos)
+    return qos
+
+def verify(qos):
+    if not qos:
+        return None
+
+    # network policy emulator
+    # reorder rerquires delay to be set
+
+    raise ConfigError('123')
+    return None
+
+def generate(qos):
+    return None
+
+def apply(qos):
+    return None
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)