adding time scenario

docs/time_scenarios.md

@@ -0,0 +1,29 @@
+###  Time/Date Skew Scenarios
+
+Using this type of scenario configuration, one is able to change the time and/or date of the system for pods or nodes
+
+Configuration Options:
+
+**action:** skew_time or skew_date
+
+**object_type:** pod or node
+
+**namespace:** namespace of the pods you want to skew, need to be set if setting a specific pod name
+
+**label_selector:** label on the nodes or pods you want to skew
+
+**object_name:** list of the names of pods or nodes you want to skew
+
+Refer to [time_scenarios_example](https://github.com/openshift-scale/kraken/blob/master/scenarios/time_scenarios_example.yml) config file.
+
+```
+time_scenarios:
+  - action: skew_time
+    object_type: pod
+    object_name:
+      - apiserver-868595fcbb-6qnsc
+      - apiserver-868595fcbb-mb9j5
+    namespace: openshift-apiserver
+  - action: skew_date
+    object_type: node
+    label_selector: node-role.kubernetes.io/worker```