def test_pvc_creation_with_default_sc_set(client, core_api, storage_class,
pod): # NOQA
"""
Test creating PVC with default StorageClass set
The target is to make sure the newly create PV/PVC won't use default
StorageClass, and if there is no default StorageClass, PV/PVC can still be
created.
1. Create a StorageClass and set it to be the default StorageClass
2. Update static StorageClass to `longhorn-static-test`
3. Create volume then PV/PVC.
4. Make sure the newly created PV/PVC using StorageClass
`longhorn-static-test`
5. Create pod with PVC.
6. Verify volume's Kubernetes Status
7. Remove PVC and Pod.
8. Verify volume's Kubernetes Status only contains current PV and history
9. Wait for volume to detach (since pod is deleted)
10. Reuse the volume on a new pod. Wait for the pod to start
11. Verify volume's Kubernetes Status reflect the new pod.
12. Delete PV/PVC/Pod.
13. Verify volume's Kubernetes Status only contains history
14. Delete the default StorageClass.
15. Create PV/PVC for the volume.
16. Make sure the PV's StorageClass is static StorageClass
"""
# set default storage class
storage_class['metadata']['annotations'] = \
{"storageclass.kubernetes.io/is-default-class": "true"}
create_storage_class(storage_class)
static_sc_name = "longhorn-static-test"
setting = client.by_id_setting(SETTING_DEFAULT_LONGHORN_STATIC_SC)
setting = client.update(setting, value=static_sc_name)
assert setting.value == static_sc_name
volume_name = "test-pvc-creation-with-sc" # NOQA
pod_name = "pod-" + volume_name
client.create_volume(name=volume_name, size=SIZE, numberOfReplicas=2)
volume = wait_for_volume_detached(client, volume_name)
pv_name = "pv-" + volume_name
pvc_name = "pvc-" + volume_name
pvc_name_extra = "pvc-" + volume_name + "-extra"
create_pv_for_volume(client, core_api, volume, pv_name)
create_pvc_for_volume(client, core_api, volume, pvc_name)
ret = core_api.list_namespaced_persistent_volume_claim(namespace='default')
for item in ret.items:
if item.metadata.name == pvc_name:
pvc_found = item
break
assert pvc_found
assert pvc_found.spec.storage_class_name == static_sc_name
pod['metadata']['name'] = pod_name
pod['spec']['volumes'] = [{
'name':
pod['spec']['containers'][0]['volumeMounts'][0]['name'],
'persistentVolumeClaim': {
'claimName': pvc_name,
},
}]
create_and_wait_pod(core_api, pod)
ks = {
'pvName':
pv_name,
'pvStatus':
'Bound',
'namespace':
'default',
'pvcName':
pvc_name,
'lastPVCRefAt':
'',
'lastPodRefAt':
'',
'workloadsStatus': [
{
'podName': pod_name,
'podStatus': 'Running',
'workloadName': '',
'workloadType': '',
},
],
}
wait_volume_kubernetes_status(client, volume_name, ks)
delete_and_wait_pod(core_api, pod_name)
delete_and_wait_pvc(core_api, pvc_name)
ks = {
'pvName': pv_name,
'pvStatus': 'Released',
'namespace': 'default',
'pvcName': pvc_name,
'lastPVCRefAt': 'not empty',
'lastPodRefAt': 'not empty',
}
wait_volume_kubernetes_status(client, volume_name, ks)
# try to reuse the pv
volume = wait_for_volume_detached(client, volume_name)
create_pvc_for_volume(client, core_api, volume, pvc_name_extra)
pod['spec']['volumes'][0]['persistentVolumeClaim']['claimName'] = \
pvc_name_extra
create_and_wait_pod(core_api, pod)
ks = {
'pvName':
pv_name,
'pvStatus':
'Bound',
'namespace':
'default',
'pvcName':
pvc_name_extra,
'lastPVCRefAt':
'',
'lastPodRefAt':
'',
'workloadsStatus': [
{
'podName': pod_name,
'podStatus': 'Running',
'workloadName': '',
'workloadType': '',
},
],
}
wait_volume_kubernetes_status(client, volume_name, ks)
delete_and_wait_pod(core_api, pod_name)
delete_and_wait_pvc(core_api, pvc_name_extra)
delete_and_wait_pv(core_api, pv_name)
ks = {
'pvName': '',
'pvStatus': '',
'namespace': 'default',
'pvcName': pvc_name_extra,
'lastPVCRefAt': 'not empty',
'lastPodRefAt': 'not empty',
}
wait_volume_kubernetes_status(client, volume_name, ks)
# without default storage class
delete_storage_class(storage_class['metadata']['name'])
create_pv_for_volume(client, core_api, volume, pv_name)
create_pvc_for_volume(client, core_api, volume, pvc_name)
ret = core_api.list_namespaced_persistent_volume_claim(namespace='default')
for item in ret.items:
if item.metadata.name == pvc_name:
pvc2 = item
break
assert pvc2
assert pvc2.spec.storage_class_name == static_sc_name
delete_and_wait_pvc(core_api, pvc_name)
delete_and_wait_pv(core_api, pv_name)
def test_pvc_creation_with_default_sc_set(client, core_api, storage_class,
pod): # NOQA
# set default storage class
storage_class['metadata']['annotations'] = \
{"storageclass.kubernetes.io/is-default-class": "true"}
create_storage_class(storage_class)
static_sc_name = "longhorn-static-test"
setting = client.by_id_setting(SETTING_DEFAULT_LONGHORN_STATIC_SC)
setting = client.update(setting, value=static_sc_name)
assert setting["value"] == static_sc_name
volume_name = "test-pvc-creation-with-sc"
pod_name = "pod-" + volume_name
client.create_volume(name=volume_name, size=SIZE, numberOfReplicas=2)
volume = wait_for_volume_detached(client, volume_name)
pv_name = "pv-" + volume_name
pvc_name = "pvc-" + volume_name
pvc_name_extra = "pvc-" + volume_name + "-extra"
create_pv_for_volume(client, core_api, volume, pv_name)
create_pvc_for_volume(client, core_api, volume, pvc_name)
ret = core_api.list_namespaced_persistent_volume_claim(namespace='default')
for item in ret.items:
if item.metadata.name == pvc_name:
pvc_found = item
break
assert pvc_found
assert pvc_found.spec.storage_class_name == static_sc_name
pod['metadata']['name'] = pod_name
pod['spec']['volumes'] = [{
'name':
pod['spec']['containers'][0]['volumeMounts'][0]['name'],
'persistentVolumeClaim': {
'claimName': pvc_name,
},
}]
create_and_wait_pod(core_api, pod)
ks = {
'pvName':
pv_name,
'pvStatus':
'Bound',
'namespace':
'default',
'pvcName':
pvc_name,
'lastPVCRefAt':
'',
'lastPodRefAt':
'',
'workloadsStatus': [
{
'podName': pod_name,
'podStatus': 'Running',
'workloadName': '',
'workloadType': '',
},
],
}
wait_volume_kubernetes_status(client, volume_name, ks)
delete_and_wait_pod(core_api, pod_name)
delete_and_wait_pvc(core_api, pvc_name)
# try to reuse the pv
volume = wait_for_volume_detached(client, volume_name)
create_pvc_for_volume(client, core_api, volume, pvc_name_extra)
pod['spec']['volumes'][0]['persistentVolumeClaim']['claimName'] = \
pvc_name_extra
create_and_wait_pod(core_api, pod)
ks['pvcName'] = pvc_name_extra
wait_volume_kubernetes_status(client, volume_name, ks)
delete_and_wait_pod(core_api, pod_name)
delete_and_wait_pvc(core_api, pvc_name_extra)
delete_and_wait_pv(core_api, pv_name)
# without default storage class
delete_storage_class(storage_class['metadata']['name'])
create_pv_for_volume(client, core_api, volume, pv_name)
create_pvc_for_volume(client, core_api, volume, pvc_name)
ret = core_api.list_namespaced_persistent_volume_claim(namespace='default')
for item in ret.items:
if item.metadata.name == pvc_name:
pvc2 = item
break
assert pvc2
assert pvc2.spec.storage_class_name == static_sc_name
delete_and_wait_pvc(core_api, pvc_name)
delete_and_wait_pv(core_api, pv_name)