From ec604ef88e2845bcd75070f6dff325ccc50873aa Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Tue, 5 Feb 2019 07:40:43 +0100
Subject: T1231: Remove cache file of 'service dns dynamic'

When deleting or changing "service dns dynamic" the cache file of ddclient
is not removed, leading to abandoned host names which might be already gone.
---
 src/conf_mode/dynamic_dns.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/conf_mode/dynamic_dns.py')

diff --git a/src/conf_mode/dynamic_dns.py b/src/conf_mode/dynamic_dns.py
index 03b06f875..616b38b47 100755
--- a/src/conf_mode/dynamic_dns.py
+++ b/src/conf_mode/dynamic_dns.py
@@ -24,6 +24,7 @@ from vyos.config import Config
 from vyos import ConfigError
 
 config_file = r'/etc/ddclient.conf'
+cache_file = r'/var/cache/ddclient/ddclient.cache'
 
 config_tmpl = """
 ### Autogenerated by dynamic_dns.py ###
@@ -151,7 +152,7 @@ def get_config():
                 'server': '',
                 'custom' : False
             }
-            
+
             # preload protocol from default service mapping
             if service in default_service_protocol.keys():
                 srv['protocol'] = default_service_protocol[service]
@@ -245,6 +246,9 @@ def generate(dyndns):
     return None
 
 def apply(dyndns):
+    if os.path.exists(cache_file):
+        os.unlink(cache_file)
+
     if dyndns is None:
         os.system('/etc/init.d/ddclient stop')
     else:
-- 
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