T564: a command to reset DNS forwarding cache for a domain and better checking for unconfigured service.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/op_mode/dns_forwarding_statistics.py b/src/op_mode/dns_forwarding_statistics.py
index 3d1e30aee..aa6ffdf37 100755
--- a/src/op_mode/dns_forwarding_statistics.py
+++ b/src/op_mode/dns_forwarding_statistics.py
@@ -15,6 +15,12 @@ Cache size: {{ cache_size }} kbytes
 
 
 if __name__ == '__main__':
+    # Do nothing if service is not configured
+    c = vyos.config.Config()
+    if not c.exists_effective('service dns forwarding'):
+        print("DNS forwarding is not configured")
+        sys.exit(0)
+
     data = {}
 
     data['cache_entries'] = subprocess.check_output([PDNS_CMD, 'get cache-entries']).decode()