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-rw-r--r--python/vyos/kea.py24
1 files changed, 17 insertions, 7 deletions
diff --git a/python/vyos/kea.py b/python/vyos/kea.py
index 2328d0b00..89ae7ca81 100644
--- a/python/vyos/kea.py
+++ b/python/vyos/kea.py
@@ -56,6 +56,8 @@ kea6_options = {
'captive_portal': 'v6-captive-portal'
}
+kea_ctrl_socket = '/run/kea/dhcp{inet}-ctrl-socket'
+
def kea_parse_options(config):
options = []
@@ -294,7 +296,9 @@ def kea6_parse_subnet(subnet, config):
return out
-def _ctrl_socket_command(path, command, args=None):
+def _ctrl_socket_command(inet, command, args=None):
+ path = kea_ctrl_socket.format(inet=inet)
+
if not os.path.exists(path):
return None
@@ -319,19 +323,25 @@ def _ctrl_socket_command(path, command, args=None):
return json.loads(result.decode('utf-8'))
def kea_get_leases(inet):
- ctrl_socket = f'/run/kea/dhcp{inet}-ctrl-socket'
-
- leases = _ctrl_socket_command(ctrl_socket, f'lease{inet}-get-all')
+ leases = _ctrl_socket_command(inet, f'lease{inet}-get-all')
if not leases or 'result' not in leases or leases['result'] != 0:
return []
return leases['arguments']['leases']
-def kea_get_active_config(inet):
- ctrl_socket = f'/run/kea/dhcp{inet}-ctrl-socket'
+def kea_delete_lease(inet, ip_address):
+ args = {'ip-address': ip_address}
- config = _ctrl_socket_command(ctrl_socket, 'config-get')
+ result = _ctrl_socket_command(inet, f'lease{inet}-del', args)
+
+ if result and 'result' in result:
+ return result['result'] == 0
+
+ return False
+
+def kea_get_active_config(inet):
+ config = _ctrl_socket_command(inet, 'config-get')
if not config or 'result' not in config or config['result'] != 0:
return None