tests: added honey badger utility to ducktape

Signed-off-by: Michal Maslanka <michal@vectorized.io>

tests/rptest/services/honey_badger.py

@@ -0,0 +1,42 @@
+# Copyright 2021 Vectorized, Inc.
+#
+# Use of this software is governed by the Business Source License
+# included in the file licenses/BSL.md
+#
+# As of the Change Date specified in that file, in accordance with
+# the Business Source License, use of this software will be governed
+# by the Apache License, Version 2.0
+import random
+import requests
+
+from rptest.services.admin import Admin
+
+
+class HoneyBadger:
+    @staticmethod
+    def is_enabled(node):
+        return requests.get(Admin._url(node,
+                                       'failure-probes')).json()['enabled']
+
+    @staticmethod
+    def list_failure_probes(node):
+        return requests.get(Admin._url(node, 'failure-probes')).json()
+
+    @staticmethod
+    def set_delay(node, module, probe):
+        requests.post(
+            Admin._url(node, f'failure-probes/{module}/{probe}/delay'))
+
+    @staticmethod
+    def set_terminate(node, module, probe):
+        requests.post(
+            Admin._url(node, f'failure-probes/{module}/{probe}/terminate'))
+
+    @staticmethod
+    def set_exception(node, module, probe):
+        requests.post(
+            Admin._url(node, f'failure-probes/{module}/{probe}/exception'))
+
+    @staticmethod
+    def unset_failures(node, module, probe):
+        requests.delete(Admin._url(node, f'failure-probes/{module}/{probe}'))