From 3d3d09d6e5d7350b09709447ed4d7a7790e09b81 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Mon, 15 Feb 2021 20:16:02 +0100
Subject: bfd: T3310: implement peer profile support

---
 src/conf_mode/protocols_bfd.py | 71 +++++++++++++++++++++---------------------
 1 file changed, 36 insertions(+), 35 deletions(-)

(limited to 'src')

diff --git a/src/conf_mode/protocols_bfd.py b/src/conf_mode/protocols_bfd.py
index 7737c6aa1..a43eed504 100755
--- a/src/conf_mode/protocols_bfd.py
+++ b/src/conf_mode/protocols_bfd.py
@@ -36,54 +36,55 @@ def get_config(config=None):
     else:
         conf = Config()
     base = ['protocols', 'bfd']
-    bfd = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True)
+    bfd = conf.get_config_dict(base, get_first_key=True)
 
     # Bail out early if configuration tree does not exist
     if not conf.exists(base):
         return bfd
 
+    # We have gathered the dict representation of the CLI, but there are
+    # default options which we need to update into the dictionary retrived.
+    # XXX: T2665: we currently have no nice way for defaults under tag
+    # nodes, thus we load the defaults "by hand"
+    default_values = defaults(base + ['peer'])
     if 'peer' in bfd:
-        # We have gathered the dict representation of the CLI, but there are
-        # default options which we need to update into the dictionary retrived.
-        # XXX: T2665: we currently have no nice way for defaults under tag
-        # nodes, thus we load the defaults "by hand"
-        default_values = defaults(base + ['peer'])
         for peer in bfd['peer']:
             bfd['peer'][peer] = dict_merge(default_values, bfd['peer'][peer])
 
+    if 'profile' in bfd:
+        for profile in bfd['profile']:
+            bfd['profile'][profile] = dict_merge(default_values, bfd['profile'][profile])
+
     return bfd
 
 def verify(bfd):
-    if not bfd or 'peer' not in bfd:
+    if not bfd:
         return None
 
-    for peer, peer_config in bfd['peer'].items():
-        # IPv6 link local peers require an explicit local address/interface
-        if is_ipv6_link_local(peer):
-            if 'source' not in peer_config or len(peer_config['source'] < 2):
-                raise ConfigError('BFD IPv6 link-local peers require explicit local address and interface setting')
-
-        # IPv6 peers require an explicit local address
-        if is_ipv6(peer):
-            if 'source' not in peer_config or 'address' not in peer_config['source']:
-                raise ConfigError('BFD IPv6 peers require explicit local address setting')
-
-        if 'multihop' in peer_config:
-            # multihop require source address
-            if 'source' not in peer_config or 'address' not in peer_config['source']:
-                raise ConfigError('BFD multihop require source address')
-
-            # multihop and echo-mode cannot be used together
-            if 'echo_mode' in peer_config:
-                raise ConfigError('Multihop and echo-mode cannot be used together')
-
-            # multihop doesn't accept interface names
-            if 'source' in peer_config and 'interface' in peer_config['source']:
-                raise ConfigError('Multihop and source interface cannot be used together')
-
-        # echo interval can be configured only with enabled echo-mode
-        if 'interval' in peer_config and 'echo_interval' in peer_config['interval'] and 'echo_mode' not in peer_config:
-            raise ConfigError('echo-interval can be configured only with enabled echo-mode')
+    if 'peer' in bfd:
+        for peer, peer_config in bfd['peer'].items():
+            # IPv6 link local peers require an explicit local address/interface
+            if is_ipv6_link_local(peer):
+                if 'source' not in peer_config or len(peer_config['source'] < 2):
+                    raise ConfigError('BFD IPv6 link-local peers require explicit local address and interface setting')
+
+            # IPv6 peers require an explicit local address
+            if is_ipv6(peer):
+                if 'source' not in peer_config or 'address' not in peer_config['source']:
+                    raise ConfigError('BFD IPv6 peers require explicit local address setting')
+
+            if 'multihop' in peer_config:
+                # multihop require source address
+                if 'source' not in peer_config or 'address' not in peer_config['source']:
+                    raise ConfigError('BFD multihop require source address')
+
+                # multihop and echo-mode cannot be used together
+                if 'echo_mode' in peer_config:
+                    raise ConfigError('Multihop and echo-mode cannot be used together')
+
+                # multihop doesn't accept interface names
+                if 'source' in peer_config and 'interface' in peer_config['source']:
+                    raise ConfigError('Multihop and source interface cannot be used together')
 
     return None
 
@@ -98,7 +99,7 @@ def apply(bfd):
     # Save original configuration prior to starting any commit actions
     frr_cfg = frr.FRRConfig()
     frr_cfg.load_configuration()
-    frr_cfg.modify_section('bfd', '')
+    frr_cfg.modify_section('^bfd', '')
     frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', bfd['new_frr_config'])
     frr_cfg.commit_configuration()
 
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