def test_2_nodes_maintenance_same_type(self, resources, schedule_nodes, nodes_type):
"""
OCS-1273/OCs-1271:
- Maintenance (mark as unscheduable and drain) 2 worker/master nodes
- Mark the nodes as scheduable
- Check cluster and Ceph health
- Check cluster functionality by creating resources
(pools, storageclasses, PVCs, pods - both CephFS and RBD)
"""
# Get 2 nodes
typed_nodes = node.get_typed_nodes(node_type=nodes_type, num_of_nodes=2)
typed_node_names = [typed_node.name for typed_node in typed_nodes]
# Maintenance the nodes (unschedule and drain)
node.maintenance_nodes(typed_node_names)
# Mark the nodes back to schedulable
node.schedule_nodes(typed_node_names)
# Perform cluster and Ceph health checks
sanity_helpers.health_check(typed_node_names)
# Check basic cluster functionality by creating resources
# (pools, storageclasses, PVCs, pods - both CephFS and RBD),
# run IO and delete the resources
sanity_helpers.create_resources(resources)
sanity_helpers.delete_resources(resources)
def test_node_maintenance(self, resources, schedule_nodes, node_type):
"""
OCS-1269/OCS-1272:
- Maintenance (mark as unscheduable and drain) 1 worker/master node
- Check cluster functionality by creating resources
(pools, storageclasses, PVCs, pods - both CephFS and RBD)
- Mark the node as scheduable
- Check cluster and Ceph health
"""
# Get 1 node
typed_nodes = node.get_typed_nodes(node_type=node_type, num_of_nodes=1)
typed_node_name = typed_nodes[0].name
# Maintenance the node (unschedule and drain)
node.maintenance_nodes([typed_node_name])
# Check basic cluster functionality by creating resources
# (pools, storageclasses, PVCs, pods - both CephFS and RBD),
# run IO and delete the resources
sanity_helpers.create_resources(resources)
sanity_helpers.delete_resources(resources)
# Mark the node back to schedulable
node.schedule_nodes([typed_node_name])
# Perform cluster and Ceph health checks
sanity_helpers.health_check([typed_node_name])
def test_2_nodes_different_types(self, resources, schedule_nodes):
"""
OCS-1274:
- Maintenance (mark as unscheduable and drain) 1 worker node and 1
master node
- Check cluster functionality by creating resources
(pools, storageclasses, PVCs, pods - both CephFS and RBD)
- Mark the nodes as scheduable
- Check cluster and Ceph health
"""
# Get 1 node from each type
nodes = [
node.get_typed_nodes(
node_type=node_type, num_of_nodes=1
)[0] for node_type in ['worker', 'master']
]
node_names = [typed_node.name for typed_node in nodes]
# Maintenance the nodes (unschedule and drain)
node.maintenance_nodes(node_names)
# Check basic cluster functionality by creating resources
# (pools, storageclasses, PVCs, pods - both CephFS and RBD),
# run IO and delete the resources
sanity_helpers.create_resources(resources)
sanity_helpers.delete_resources(resources)
# Mark the nodes back to schedulable
node.schedule_nodes(node_names)
# Perform cluster and Ceph health checks
sanity_helpers.health_check(node_names)
def test_nodes_restart_aws(self, resources, instances, aws_obj, force):
"""
Test ungraceful cluster shutdown - AWS
"""
aws_obj.restart_ec2_instances(instances=instances,
wait=True,
force=force)
sanity_helpers.health_check(nodes=list(instances.values()))
sanity_helpers.create_resources(resources=resources)
def test_detach_attach_worker_volume(self, aws_obj, resources):
"""
Detach and attach worker volume
- Detach the data volume from one of the worker nodes
- Validate cluster functionality, without checking cluster and Ceph
health (as one node volume is detached, the cluster will be unhealthy)
by creating resources and running IO
- Attach back the volume to the node
- Restart the node so the volume will get re-mounted
"""
# Requesting 1 worker node for the test as this case includes detach and
# attach of data volume of 1 worker node
worker = node.get_typed_nodes(num_of_nodes=1)[0]
# Get the worker node's ec2 instance ID and name
instance = aws.get_instances_ids_and_names([worker])
instance_id = [*instance][0]
# Get the ec2 instance data volume Volume instance
ec2_volume = aws.get_data_volumes(instance_id)[0]
# Detach volume (logging is done inside the function)
aws_obj.detach_volume(ec2_volume)
# Validate cluster is still functional
sanity_helpers.create_resources(resources=resources)
# Attach volume (logging is done inside the function)
aws_obj.attach_volume(ec2_volume, instance_id)
# Restart the instance so the volume will get re-mounted
aws_obj.restart_ec2_instances(instances=instance, wait=True)
# Cluster health check
sanity_helpers.health_check(nodes=list(instance.values()))
def test_detach_attach_2_workers_volumes(self, aws_obj, resources):
"""
Detach and attach disk from 2 worker nodes
- Detach the data volume from 2 of the worker nodes
- Attach back the volume to the worker nodes
- Restart the nodes so the volume will get re-mounted in each node
- Check cluster health and functionality to make sure detach,
attach and restart did not affect the cluster
"""
# Requesting 2 worker nodes for the test as this case includes
# detach and attach of data volume of 1 worker node
workers = node.get_typed_nodes(num_of_nodes=2)
# Get the worker nodes ec2 instance IDs and names
instances = aws.get_instances_ids_and_names(workers)
for instance in instances.items():
instance_id = [*instance][0]
# Get the ec2 instance data volume Volume instance
ec2_volume = aws.get_data_volumes(instance_id)[0]
# Detach volume (logging is done inside the function)
aws_obj.detach_volume(ec2_volume)
# Attach volume (logging is done inside the function)
aws_obj.attach_volume(ec2_volume, instance_id)
# Restart the instances so the volume will get re-mounted
aws_obj.restart_ec2_instances(instances=instances, wait=True)
# Validate cluster is still functional
sanity_helpers.health_check(nodes=list(instances.values()))
sanity_helpers.create_resources(resources=resources)
def test_pv_provisioning_under_degraded_state(self, resources, instances,
aws_obj, interface,
operation):
"""
Test PV provisioning under degraded state
OCS-1138:
- Stop 1 ec2 instance worker node that has the RBD provisioner
pod running on
- Wait for the RBD pod provisioner to come up again to running status
- Validate cluster functionality, without checking cluster and Ceph
health by creating resources and running IO
- Start the worker node ec2 instance
- Check cluster and Ceph health
OCS-1241:
- Stop 1 ec2 instance worker node that has the RBD provisioner
pod running on
- Wait for the RBD pod provisioner to come up again to running status
- Validate cluster functionality, without checking cluster and Ceph
health by deleting resources and running IO
- Start the worker node ec2 instance
- Check cluster and Ceph health
OCS-1139:
- Stop 1 ec2 instance worker node that has the CephFS provisioner
pod running on
- Wait for the CephFS pod provisioner to come up again to running status
- Validate cluster functionality, without checking cluster and Ceph
health by creating resources and running IO
- Start the worker node ec2 instance
- Check cluster and Ceph health
OCS-1242:
- Stop 1 ec2 instance worker node that has the CephFS provisioner
pod running on
- Wait for the CephFS pod provisioner to come up again to running status
- Validate cluster functionality, without checking cluster and Ceph
health by deleting resources and running IO
- Start the worker node ec2 instance
- Check cluster and Ceph health
"""
if operation == 'delete_resources':
# Create resources that their deletion will be tested later
sanity_helpers.create_resources(resources=resources)
provisioner_pod = None
# Get the provisioner pod according to the interface
if interface == 'rbd':
provisioner_pod = pod.get_rbdfsplugin_provisioner_pods()[0]
elif interface == 'cephfs':
provisioner_pod = pod.get_cephfsplugin_provisioner_pods()[0]
provisioner_pod_name = provisioner_pod.name
logger.info(
f"{interface} provisioner pod found: {provisioner_pod_name}")
# Get the node name that has the provisioner pod running on
provisioner_node = pod.get_pod_node(provisioner_pod)
provisioner_node_name = provisioner_node.get('metadata').get('name')
logger.info(
f"{interface} provisioner pod is running on node {provisioner_node_name}"
)
# Get the ec2 instance of the node
instances = aws.get_instances_ids_and_names([provisioner_node])
# Stopping the nodes
aws_obj.stop_ec2_instances(instances=instances, wait=True)
# Wait for the provisioner pod to get to running status
selector = constants.CSI_RBDPLUGIN_PROVISIONER_LABEL if (
interface
== 'rbd') else constants.CSI_CEPHFSPLUGIN_PROVISIONER_LABEL
# Wait for the provisioner pod to reach Terminating status
logger.info(
f"Waiting for pod {provisioner_pod_name} to reach status Terminating"
)
assert provisioner_pod.ocp.wait_for_resource(
timeout=300,
resource_name=provisioner_pod.name,
condition=constants.STATUS_TERMINATING
), f"{interface} provisioner pod failed to reach status Terminating"
# Wait for the provisioner pod to be started and reach running status
logger.info(
f"Waiting for pod {provisioner_pod_name} to reach status Running")
assert provisioner_pod.ocp.wait_for_resource(
timeout=600,
condition=constants.STATUS_RUNNING,
selector=selector,
resource_count=1
), f"{interface} provisioner pod failed to reach status Running"
if operation == 'create_resources':
# Cluster validation (resources creation and IO running)
sanity_helpers.create_resources(resources=resources)
elif operation == 'delete_resources':
# Cluster validation (resources creation and IO running)
sanity_helpers.delete_resources(resources=resources)
# Starting the nodes
aws_obj.start_ec2_instances(instances=instances, wait=True)
# Checking cluster and Ceph health
sanity_helpers.health_check(nodes=[provisioner_node_name])
def test_monitoring_when_one_of_the_prometheus_node_down(
self, test_fixture):
"""
Test case to validate when the prometheus pod is down and
interaction with prometheus
"""
namespace_list, pvc_objs, pod_objs, sc = test_fixture
aws_obj = aws.AWS()
# Get all the openshift-monitoring pods
monitoring_pod_obj_list = pod.get_all_pods(
namespace=defaults.OCS_MONITORING_NAMESPACE)
# Get the worker node list
workers = get_typed_nodes(node_type='worker')
# Get all prometheus pods
pod_obj_list = pod.get_all_pods(
namespace=defaults.OCS_MONITORING_NAMESPACE,
selector=['prometheus'])
for pod_obj in pod_obj_list:
# Get the node where the prometheus pod is hosted
prometheus_pod_obj = pod_obj.get()
prometheus_node = prometheus_pod_obj['spec']['nodeName']
prometheus_node = [
node for node in workers
if node.get().get('metadata').get('name') == prometheus_node
]
# Make one of the node down where the prometheus pod is hosted
instances = aws.get_instances_ids_and_names(prometheus_node)
aws_obj.restart_ec2_instances(instances=instances,
wait=True,
force=True)
# Validate all nodes are in READY state
wait_for_nodes_status()
# Check the node are Ready state and check cluster is health ok
sanity_helpers.health_check(nodes=list(instances.values()))
# Check all the monitoring pods are up
for pod_obj in monitoring_pod_obj_list:
wait_for_resource_state(resource=pod_obj,
state=constants.STATUS_RUNNING)
# Check for the created pvc metrics after nodes restarting
for pvc_obj in pvc_objs:
assert check_pvcdata_collected_on_prometheus(pvc_obj.name), (
f"On prometheus pod for created pvc {pvc_obj.name} related data is not collected"
)
# Create projects after restarting nodes
namespaces = helpers.create_multilpe_projects(number_of_project=1)
namespace_list.extend(namespaces)
# Create pvcs after restarting nodes
pvcs = [
helpers.create_pvc(sc_name=sc.name,
namespace=each_namespace.namespace)
for each_namespace in namespaces
]
for pvc_obj in pvcs:
helpers.wait_for_resource_state(pvc_obj, constants.STATUS_BOUND)
pvc_obj.reload()
pvc_objs.extend(pvcs)
# Create app pods after restarting nodes
pods = [
helpers.create_pod(interface_type=constants.CEPHBLOCKPOOL,
pvc_name=each_pvc.name,
namespace=each_pvc.namespace)
for each_pvc in pvcs
]
for pod_obj in pods:
helpers.wait_for_resource_state(pod_obj, constants.STATUS_RUNNING)
pod_obj.reload()
pod_objs.extend(pods)
# Check for the created pvc metrics on prometheus pod after restarting nodes
for pvc_obj in pvcs:
assert check_pvcdata_collected_on_prometheus(pvc_obj.name), (
f"On prometheus pod for created pvc {pvc_obj.name} related data is not collected"
)