def create_pv_and_pvc_and_pod(self, workspace, size, namespace, ontap_cluster_data_lif):
''' Create PV, PVC and pod enabled to use volume 'vol_name' '''
kb_clone_name = workspace['kb_clone_name']
statuses = self.create_pv_and_pvc(
kb_clone_name, size, namespace, ontap_cluster_data_lif)
body = self.create_pod_config(workspace)
service_body = self.create_service_config(workspace)
try:
self.api.create_namespaced_pod(namespace, body)
self.api.create_namespaced_service(namespace, service_body)
pod_status = OntapService.set_status(
201, "Pod", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
pod_status = OntapService.set_status(
200, "Pod", body['metadata']['name'])
else:
error_message = "Exception when calling CoreV1Api->create_namespaced_pod: %s\n" % exc
pod_status = OntapService.set_status(
400, "Pod", body['metadata']['name'], error_message)
statuses.append(pod_status)
return statuses
def create_pvc_clone(self, pvc_clone_name, pvc_source, size, namespace, storage_class):
'''
Create a PVC clone from a source PVC.
For use with Trident where Trident creates an ONTAP clone and a k8s PV and maps it to the PVC
:param pvc_clone: PVC clone name
:param pvc_source: PVC source name to clone from
:param size: size of the clone PVC in MB
:param namespace: Kube namespace
:param storage_class: Storage class (should match with Trident)
:return: Status of creation
'''
body = self.create_pvc_clone_config(pvc_clone_name, pvc_source, size, storage_class)
try:
self.api.create_namespaced_persistent_volume_claim(namespace, body)
status = OntapService.set_status(
201, "PVC", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
status = OntapService.set_status(
200, "PVC", body['metadata']['name'])
else:
err = "Exception calling CoreV1Api->create_namespaced_persistent_volume_claim: %s\n" % exc
status = OntapService.set_status(
400, "PVC", body['metadata']['name'], err)
return status
def create_pvc(self, vol_name, pvc_size, namespace):
''' Create PVC with name 'vol_name' and size 'pvc_size' '''
body = self.create_pvc_config(vol_name, pvc_size)
try:
self.api.create_namespaced_persistent_volume_claim(namespace, body)
status = OntapService.set_status(
201, "PVC", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
status = OntapService.set_status(
200, "PVC", body['metadata']['name'])
else:
err = "Exception calling CoreV1Api->create_namespaced_persistent_volume_claim: %s\n" % exc
status = OntapService.set_status(
400, "PVC", body['metadata']['name'], err)
return status
def create_pv(self, vol_name, pv_size, ontap_cluster_data_lif):
''' Create PV with name 'vol_name' and size 'pv_size' '''
body = self.create_pv_config(
vol_name, pv_size, ontap_cluster_data_lif) # V1PersistentVolume
try:
# api_response = self.api.create_persistent_volume(body)
self.api.create_persistent_volume(body)
status = OntapService.set_status(
201, "PV", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
status = OntapService.set_status(
200, "PV", body['metadata']['name'])
else:
error_message = "Exception when calling CoreV1Api->create_persistent_volume: %s\n" % exc
status = OntapService.set_status(
400, "PV", body['metadata']['name'], error_message)
return status
def test_set_status_for_failure(self):
'''Test helper to create status dictionary'''
expected_status = {
'resource': 'Volume',
'resource_name': 'test-vol',
'code': 400,
'status': 'FAILED',
'message': '',
'error_message': 'Error creating PV'
}
attempted_status = ontap.set_status(400, 'Volume', 'test-vol', 'Error creating PV')
self.assertEqual(expected_status, attempted_status)
def test_set_status(self):
'''Test helper to create status dictionary'''
expected_status = {
'resource': 'Volume',
'resource_name': 'test-vol',
'code': 200,
'status': 'SUCCESS',
'message': 'Volume test-vol already exists',
'error_message': ''
}
attempted_status = ontap.set_status(200, 'Volume', 'test-vol')
self.assertEqual(expected_status, attempted_status)
def create_pvc_clone_and_pod(self, workspace, merge=False):
"""
Create a Kube PVC (clone), Pod and a service representing the user workspace
Once PVC clone is created, Trident assigns an ONTAP clone and a PV
:param workspace: workspace details dict()
:return: status of PVC and Pod creation
"""
logging.debug("Received workspace details:: %s" % str(workspace))
workspace['pvc'] = self.get_kube_resource_name(workspace['name'], 'pvc')
workspace['source_pvc'] = self.get_kube_resource_name(workspace['build_name'], 'pvc')
workspace['pipeline_pvc'] = self.get_kube_resource_name(workspace['pipeline'], 'pvc')
workspace['pod'] = self.get_kube_resource_name(workspace['name'], 'pod')
workspace['service'] = self.get_kube_resource_name(workspace['name'], 'service')
logging.debug("KUBE workspace PVC:: %s" % workspace['pvc'])
logging.debug("KUBE workspace POD:: %s" % workspace['pod'])
logging.debug("KUBE workspace SERVICE:: %s" % workspace['service'])
logging.debug("KUBE workspace PIPELINE PVC:: %s" % workspace['pipeline_pvc'])
logging.debug("KUBE workspace SOURCE (BUILD) PVC:: %s" % workspace['source_pvc'])
clone_response = self.create_pvc_clone_resource(clone=workspace['pvc'],
source=workspace['source_pvc'])
workspace['clone_name'] = self.get_volume_name_from_pvc(workspace['pvc'])
workspace['pv_name'] = self.get_pv_name_from_pvc(workspace['pvc'])
if merge:
workspace['source_workspace_pvc'] = self.get_kube_resource_name(workspace['source_workspace_name'], 'pvc')
workspace['source_workspace_pv'] = self.get_pv_name_from_pvc(workspace['source_workspace_pvc'])
logging.debug("KUBE source workspace PVC:: %s" % workspace['source_workspace_pvc'])
logging.debug("KUBE source workspace PV:: %s" % workspace['source_workspace_pv'])
workspace['temp_pod_name'] = 'temp-pod-for-uid-gid' + workspace['name']
temp_pod = self.create_temporary_pod_to_change_uid_gid(workspace)
body = self.create_pod_config(workspace)
service_body = self.create_service_config(workspace)
logging.debug("WORKSPACE DETAILS:::: %s" % str(workspace))
try:
# create a temporary pod to set UID GID For workspace
self.api.create_namespaced_pod(self.namespace, temp_pod)
logging.info("Changing UID and GID for the workspace clone volume")
sleep(10) # TODO: Change this to wait on pod status
# delete the temp pod
self.delete_pod(workspace['temp_pod_name'])
self.api.create_namespaced_pod(self.namespace, body)
self.api.create_namespaced_service(self.namespace, service_body)
# TODO: move set_status to helper?
pod_status = OntapService.set_status(201, "Pod", body['metadata']['name'])
service_status = OntapService.set_status(201, "Service", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
pod_status = OntapService.set_status(200, "Pod", body['metadata']['name'])
service_status = OntapService.set_status(200, "Service", body['metadata']['name'])
else:
error_message = "Exception when calling create_namespaced_pod or create_namespaced_service: %s\n" % exc
pod_status = OntapService.set_status(400, "Pod", body['metadata']['name'], error_message)
service_status = OntapService.set_status(400, "Service", body['metadata']['name'], error_message)
return [clone_response, pod_status, service_status]
def create_pvc_and_pod(self, workspace, merge=False, namespace='default'):
"""
Create a Kube PVC (clone), Pod and a service representing the user workspace
Once PVC clone is created, Trident assigns an ONTAP clone and a PV
:param workspace: workspace details dict()
:param namespace: Kube namespace
:return: status of PVC and Pod creation
"""
logging.debug("Received workspace details:: %s" % str(workspace))
workspace['pvc'] = self.get_kube_resource_name(workspace['name'], 'pvc')
workspace['source_pvc'] = self.get_kube_resource_name(workspace['build_name'], 'pvc')
workspace['pod'] = self.get_kube_resource_name(workspace['name'], 'pod')
workspace['service'] = self.get_kube_resource_name(workspace['name'], 'service')
logging.debug("KUBE workspace PVC:: %s" % workspace['pvc'])
logging.debug("KUBE workspace POD:: %s" % workspace['pod'])
logging.debug("KUBE workspace SERVICE:: %s" % workspace['service'])
logging.debug("KUBE workspace SOURCE PVC:: %s" % workspace['source_pvc'])
clone_response = self.create_pvc_clone_resource(clone=workspace['pvc'],
source=workspace['source_pvc'],
namespace=namespace)
workspace['clone_name'] = self.get_volume_name_from_pvc(workspace['pvc'])
workspace['pv_name'] = self.get_pv_name_from_pvc(workspace['pvc'])
if merge:
workspace['source_workspace_pvc'] = self.get_kube_resource_name(workspace['source_workspace_name'], 'pvc')
workspace['source_workspace_pv'] = self.get_pv_name_from_pvc(workspace['source_workspace_pvc'])
logging.debug("KUBE source workspace PVC:: %s" % workspace['source_workspace_pvc'])
logging.debug("KUBE source workspace PV:: %s" % workspace['source_workspace_pv'])
body = self.create_pod_config(workspace)
service_body = self.create_service_config(workspace)
logging.debug("WORKSPACE DETAILS:::: %s" % str(workspace))
try:
self.api.create_namespaced_pod(namespace, body)
self.api.create_namespaced_service(namespace, service_body)
# TODO: move set_status to helper?
pod_status = OntapService.set_status(201, "Pod", body['metadata']['name'])
service_status = OntapService.set_status(201, "Service", body['metadata']['name'])
except ApiException as exc:
if self.parse_exception(exc) == "AlreadyExists":
pod_status = OntapService.set_status(200, "Pod", body['metadata']['name'])
service_status = OntapService.set_status(200, "Service", body['metadata']['name'])
else:
error_message = "Exception when calling create_namespaced_pod or create_namespaced_service: %s\n" % exc
pod_status = OntapService.set_status(400, "Pod", body['metadata']['name'], error_message)
service_status = OntapService.set_status(400, "Service", body['metadata']['name'], error_message)
return [clone_response, pod_status, service_status]
