T6619: Remove the remaining uses of per-protocol FRR configs (#3916)mergify/bp/circinus/pr-3916

(cherry picked from commit f2256ad338fc3fbaa9a5de2c0615603cd23e0f94)

1 files changed, 22 insertions, 5 deletions

diff --git a/src/conf_mode/protocols_static_multicast.py b/src/conf_mode/protocols_static_multicast.py
index 7f6ae3680..2bf794042 100755
--- a/src/conf_mode/protocols_static_multicast.py
+++ b/src/conf_mode/protocols_static_multicast.py
@@ -20,9 +20,10 @@ from ipaddress import IPv4Address
 from sys import exit
 
 from vyos import ConfigError
+from vyos import frr
 from vyos.config import Config
 from vyos.utils.process import call
-from vyos.template import render
+from vyos.template import render, render_to_string
 
 from vyos import airbag
 airbag.enable()
@@ -92,23 +93,39 @@ def verify(mroute):
         if IPv4Address(route[0]) < IPv4Address('224.0.0.0'):
             raise ConfigError(route + " not a multicast network")
 
+
 def generate(mroute):
     if mroute is None:
         return None
 
-    render(config_file, 'frr/static_mcast.frr.j2', mroute)
+    mroute['new_frr_config'] = render_to_string('frr/static_mcast.frr.j2', mroute)
     return None
 
+
 def apply(mroute):
     if mroute is None:
         return None
+    static_daemon = 'staticd'
+
+    frr_cfg = frr.FRRConfig()
+    frr_cfg.load_configuration(static_daemon)
 
-    if os.path.exists(config_file):
-        call(f'vtysh -d staticd -f {config_file}')
-        os.remove(config_file)
+    if 'old_mroute' in mroute:
+        for route_gr in mroute['old_mroute']:
+            for nh in mroute['old_mroute'][route_gr]:
+                if mroute['old_mroute'][route_gr][nh]:
+                    frr_cfg.modify_section(f'^ip mroute {route_gr} {nh} {mroute["old_mroute"][route_gr][nh]}')
+                else:
+                    frr_cfg.modify_section(f'^ip mroute {route_gr} {nh}')
+
+    if 'new_frr_config' in mroute:
+        frr_cfg.add_before(frr.default_add_before, mroute['new_frr_config'])
+
+    frr_cfg.commit_configuration(static_daemon)
 
     return None
 
+
 if __name__ == '__main__':
     try:
         c = get_config()