github/krkn
1
0
Fork 0
mirror of https://github.com/krkn-chaos/krkn.git synced 2026-08-25 09:27:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

restart kubelet (#688)

Browse Source 
rh-pre-commit.version: 2.2.0
rh-pre-commit.check-secrets: ENABLED

Signed-off-by: Auto User <auto@users.noreply.github.com>
This commit is contained in:
Paige Patton
2024-09-09 21:57:53 -04:00
committed by GitHub
parent 26460a0dce
commit b525f83261
3 changed files with 25 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/node_scenarios.md
+3 -2
View File
@@ -9,8 +9,9 @@ The following node chaos scenarios are supported:
5. **node_reboot_scenario**: Scenario to reboot the node instance.
6. **stop_kubelet_scenario**: Scenario to stop the kubelet of the node instance.
7. **stop_start_kubelet_scenario**: Scenario to stop and start the kubelet of the node instance.
8. **node_crash_scenario**: Scenario to crash the node instance.
9. **stop_start_helper_node_scenario**: Scenario to stop and start the helper node and check service status.
8. **restart_kubelet_scenario**: Scenario to restart the kubelet of the node instance.
9. **node_crash_scenario**: Scenario to crash the node instance.
10. **stop_start_helper_node_scenario**: Scenario to stop and start the helper node and check service status.
**NOTE**: If the node does not recover from the node_crash_scenario injection, reboot the node to get it back to Ready state.
kraken/node_actions/abstract_node_scenarios.py
+20
View File
@@ -65,6 +65,26 @@ class abstract_node_scenarios:
self.node_reboot_scenario(instance_kill_count, node, timeout)
logging.info("stop_start_kubelet_scenario has been successfully injected!")
# Node scenario to restart the kubelet
def restart_kubelet_scenario(self, instance_kill_count, node, timeout):
for _ in range(instance_kill_count):
try:
logging.info("Starting restart_kubelet_scenario injection")
logging.info("Restarting the kubelet of the node %s" % (node))
runcommand.run("oc debug node/" + node + " -- chroot /host systemctl restart kubelet &")
nodeaction.wait_for_not_ready_status(node, timeout, self.kubecli)
nodeaction.wait_for_ready_status(node, timeout, self.kubecli)
logging.info("The kubelet of the node %s has been restarted" % (node))
logging.info("restart_kubelet_scenario has been successfuly injected!")
except Exception as e:
logging.error(
"Failed to restart the kubelet of the node. Encountered following " "exception: %s. Test Failed" % (e)
)
logging.error("restart_kubelet_scenario injection failed!")
sys.exit(1)
# Node scenario to crash the node
def node_crash_scenario(self, instance_kill_count, node, timeout):
for _ in range(instance_kill_count):
kraken/node_actions/run.py
+2
View File
@@ -130,6 +130,8 @@ def inject_node_scenario(action, node_scenario, node_scenario_object, kubecli: K
node_scenario_object.node_reboot_scenario(run_kill_count, single_node, timeout)
elif action == "stop_start_kubelet_scenario":
node_scenario_object.stop_start_kubelet_scenario(run_kill_count, single_node, timeout)
elif action == "restart_kubelet_scenario":
node_scenario_object.restart_kubelet_scenario(run_kill_count, single_node, timeout)
elif action == "stop_kubelet_scenario":
node_scenario_object.stop_kubelet_scenario(run_kill_count, single_node, timeout)
elif action == "node_crash_scenario":