1 files changed, 54 insertions, 0 deletions
diff --git a/src/op_mode/dns_forwarding_reset.py b/src/op_mode/dns_forwarding_reset.py
new file mode 100755
index 000000000..bfc640a26
--- /dev/null
+++ b/src/op_mode/dns_forwarding_reset.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2018 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/>.
+#
+# File: vyos-show-version
+# Purpose:
+#    Displays image version and system information.
+#    Used by the "run show version" command.
+
+
+import os
+import argparse
+
+from sys import exit
+from vyos.config import Config
+from vyos.util import call
+
+PDNS_CMD='/usr/bin/rec_control --socket-dir=/run/powerdns'
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-a", "--all", action="store_true", help="Reset all cache")
+parser.add_argument("domain", type=str, nargs="?", help="Domain to reset cache entries for")
+
+if __name__ == '__main__':
+    args = parser.parse_args()
+
+    # Do nothing if service is not configured
+    c = Config()
+    if not c.exists_effective(['service', 'dns', 'forwarding']):
+        print("DNS forwarding is not configured")
+        exit(0)
+
+    if args.all:
+        call(f"{PDNS_CMD} wipe-cache \'.$\'")
+        exit(0)
+
+    elif args.domain:
+        call(f"{PDNS_CMD} wipe-cache \'{0}$\'".format(args.domain))
+
+    else:
+        parser.print_help()
+        exit(1)