Expose duration paramter for node-scenarios

Related PR in krkn: krkn-chaos/krkn#686 Signed-off-by: Naga Ravi Chaitanya Elluri <[email protected]>
krkn-chaos · Aug 12, 2024 · 2110049 · 2110049
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diff --git a/docs/node-scenarios.md b/docs/node-scenarios.md
@@ -38,6 +38,7 @@ INSTANCE_COUNT          | Targeted instance count matching the label selector
 RUNS                    | Iterations to perform action on a single node                         | 1                                    |
 CLOUD_TYPE              | Cloud platform on top of which cluster is running, supported platforms - aws or vmware                     | aws |
 TIMEOUT                 | Duration to wait for completion of node scenario injection             | 180                                |
+DURATION                | Duration to stop the node before running the start action - not supported for vmware and ibm cloud type             | 120                                |
 VERIFY_SESSION          | Only needed for vmware - Set to True if you want to verify the vSphere client session using certificates    | False                               |
 SKIP_OPENSHIFT_CHECKS   | Only needed for vmware - Set to True if you don't want to wait for the status of the nodes to change on OpenShift before passing the scenario  | False |
 

diff --git a/node-scenarios/env.sh b/node-scenarios/env.sh
@@ -8,6 +8,7 @@ export INSTANCE_COUNT=${INSTANCE_COUNT:=1}
 export RUNS=${RUNS:=1}
 export CLOUD_TYPE=${CLOUD_TYPE:="aws"}
 export TIMEOUT=${TIMEOUT:=180}
+export DURATION=${DURATION:=120}
 export SCENARIO_TYPE=${SCENARIO_TYPE:=node_scenarios}
 export SCENARIO_FILE=${SCENARIO_FILE:=scenarios/node_scenario.yaml}
 export SCENARIO_POST_ACTION=${SCENARIO_POST_ACTION:=""}

diff --git a/node-scenarios/node_scenario.yaml.template b/node-scenarios/node_scenario.yaml.template
@@ -4,6 +4,7 @@ node_scenarios:
     node_name:  $NODE_NAME                                          # node on which scenario has to be injected
     label_selector: $LABEL_SELECTOR                                 # when node_name is not specified, a node with matching label_selector is selected for node chaos scenario injection
     instance_count: $INSTANCE_COUNT                                 # number of nodes to select matching the label selector to inject each scenario under actions
-    runs: $RUNS                                                      # number of times to inject each scenario under actions (on the same node)
+    runs: $RUNS                                                     # number of times to inject each scenario under actions (on the same node)
     timeout: $TIMEOUT                                               # duration to wait for completion of node scenario injection
+    duration: $DURATION                                             # duration to stop the node before running the start action
     cloud_type: $CLOUD_TYPE                                         # cloud type on which Kubernetes/OpenShift runs