def test_device_delete_with_bricks(self):
"""Validate device deletion with existing bricks on the device"""
h_node, h_url = self.heketi_client_node, self.heketi_server_url
# Create volume
vol_size = 1
vol_info = heketi_volume_create(h_node, h_url, vol_size, json=True)
self.addCleanup(heketi_volume_delete, h_node, h_url, vol_info['id'])
device_delete_id = vol_info['bricks'][0]['device']
node_id = vol_info['bricks'][0]['node']
device_info = heketi_device_info(h_node,
h_url,
device_delete_id,
json=True)
device_name = device_info['name']
# Disable the device
heketi_device_disable(h_node, h_url, device_delete_id)
self.addCleanup(heketi_device_enable, h_node, h_url, device_delete_id)
# Delete device with bricks
with self.assertRaises(AssertionError):
heketi_device_delete(h_node, h_url, device_delete_id)
self.addCleanup(heketi_device_add, h_node, h_url, device_name,
node_id)
def test_heketi_device_delete(self):
"""Test Heketi device delete operation"""
# Get list of additional devices for one of the Gluster nodes
ip_with_devices = {}
for gluster_server in g.config["gluster_servers"].values():
if not gluster_server.get("additional_devices"):
continue
ip_with_devices = {
gluster_server['storage']: gluster_server['additional_devices']
}
break
# Skip test if no additional device is available
if not ip_with_devices:
self.skipTest(
"No additional devices attached to any of the gluster nodes")
# Select any additional device and get the node id of the gluster node
h_node, h_server = self.heketi_client_node, self.heketi_server_url
node_id, device_name = None, list(ip_with_devices.values())[0][0]
topology_info = heketi_topology_info(h_node, h_server, json=True)
for node in topology_info["clusters"][0]["nodes"]:
if list(ip_with_devices.keys())[0] == (
node['hostnames']["storage"][0]):
node_id = node["id"]
break
self.assertTrue(node_id)
# Add additional device to the cluster
heketi_device_add(h_node, h_server, device_name, node_id)
# Get the device id and number of bricks on the device
node_info_after_addition = heketi_node_info(h_node,
h_server,
node_id,
json=True)
device_id, bricks = None, None
for device in node_info_after_addition["devices"]:
if device["name"] == device_name:
device_id, bricks = device["id"], len(device['bricks'])
break
self.assertTrue(device_id, "Device not added in expected node")
# Delete heketi device
heketi_device_disable(h_node, h_server, device_id)
heketi_device_remove(h_node, h_server, device_id)
heketi_device_delete(h_node, h_server, device_id)
# Verify that there were no bricks on the newly added device
msg = (
"Number of bricks on the device %s of the node %s should be zero" %
(device_name, list(ip_with_devices.keys())[0]))
self.assertEqual(0, bricks, msg)
# Verify device deletion
node_info_after_deletion = heketi_node_info(h_node, h_server, node_id)
msg = ("Device %s should not be shown in node info of the node %s"
"after the device deletion" % (device_id, node_id))
self.assertNotIn(device_id, node_info_after_deletion, msg)
def delete_node_and_devices_on_it(self, node_id):
heketi_ops.heketi_node_disable(self.h_node, self.h_url, node_id)
heketi_ops.heketi_node_remove(self.h_node, self.h_url, node_id)
node_info = heketi_ops.heketi_node_info(
self.h_node, self.h_url, node_id, json=True)
for device in node_info['devices']:
heketi_ops.heketi_device_delete(
self.h_node, self.h_url, device['id'])
heketi_ops.heketi_node_delete(self.h_node, self.h_url, node_id)
def detach_devices_attached(self, device_id_list):
"""
All the devices attached are gracefully
detached in this function
"""
if not isinstance(device_id_list, (tuple, set, list)):
device_id_list = [device_id_list]
for device_id in device_id_list:
device_disable = heketi_ops.heketi_device_disable(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(device_disable, False,
"Device %s could not be disabled" % device_id)
device_remove = heketi_ops.heketi_device_remove(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(device_remove, False,
"Device %s could not be removed" % device_id)
device_delete = heketi_ops.heketi_device_delete(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(device_delete, False,
"Device %s could not be deleted" % device_id)
def detach_devices_attached(self, device_id_list):
"""
All the devices attached are gracefully
detached in this function
"""
if not isinstance(device_id_list, (tuple, set, list)):
device_id_list = [device_id_list]
for device_id in device_id_list:
device_disable = heketi_ops.heketi_device_disable(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_disable, False,
"Device %s could not be disabled" % device_id)
device_remove = heketi_ops.heketi_device_remove(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_remove, False,
"Device %s could not be removed" % device_id)
device_delete = heketi_ops.heketi_device_delete(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_delete, False,
"Device %s could not be deleted" % device_id)
def test_heketi_device_remove(self, delete_device):
"""Validate remove/delete device using heketi-cli"""
gluster_server_0 = list(g.config["gluster_servers"].values())[0]
try:
device_name = gluster_server_0["additional_devices"][0]
except (KeyError, IndexError):
self.skipTest(
"Additional disk is not specified for node with following "
"hostnames and IP addresses: %s, %s." % (gluster_server_0.get(
'manage', '?'), gluster_server_0.get('storage', '?')))
manage_hostname = gluster_server_0["manage"]
# Get node ID of the Gluster hostname
topo_info = heketi_topology_info(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertTrue(topo_info["clusters"][0]["nodes"],
"Cluster info command returned empty list of nodes.")
node_id = None
for node in topo_info["clusters"][0]["nodes"]:
if manage_hostname == node['hostnames']["manage"][0]:
node_id = node["id"]
break
self.assertNotEqual(
node_id, None,
"No information about node_id for %s" % manage_hostname)
# Iterate chosen node devices and pick the smallest online one.
lowest_device_size = lowest_device_id = None
online_hosts = self.get_online_nodes_disable_redundant()
for host in online_hosts[0:3]:
if node_id != host["id"]:
continue
for device in host["devices"]:
if device["state"].strip().lower() != "online":
continue
if (lowest_device_size is None
or device["storage"]["total"] < lowest_device_size):
lowest_device_size = device["storage"]["total"]
lowest_device_id = device["id"]
lowest_device_name = device["name"]
if lowest_device_id is None:
self.skipTest(
"Didn't find suitable device for disablement on '%s' node." %
(node_id))
# Create volume
vol_size = 1
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
vol_size,
json=True)
self.addCleanup(heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# Add extra device, then remember it's ID and size
heketi_device_add(self.heketi_client_node, self.heketi_server_url,
device_name, node_id)
node_info_after_addition = heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
for device in node_info_after_addition["devices"]:
if device["name"] != device_name:
continue
device_id_new = device["id"]
device_size_new = device["storage"]["total"]
self.addCleanup(heketi_device_delete, self.heketi_client_node,
self.heketi_server_url, device_id_new)
self.addCleanup(heketi_device_remove, self.heketi_client_node,
self.heketi_server_url, device_id_new)
self.addCleanup(heketi_device_disable, self.heketi_client_node,
self.heketi_server_url, device_id_new)
if lowest_device_size > device_size_new:
skip_msg = ("Skip test case, because newly added disk %s is "
"smaller than device which we want to remove %s." %
(device_size_new, lowest_device_size))
self.skipTest(skip_msg)
g.log.info("Removing device id %s" % lowest_device_id)
with self.assertRaises(AssertionError):
out = heketi_device_remove(self.heketi_client_node,
self.heketi_server_url,
lowest_device_id)
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
self.addCleanup(heketi_device_disable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
self.assertFalse(True, "Device removal didn't fail: %s" % out)
g.log.info("Device removal failed as expected")
# Need to disable device before removing
heketi_device_disable(self.heketi_client_node, self.heketi_server_url,
lowest_device_id)
if not delete_device:
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
# Remove device from Heketi
try:
heketi_device_remove(self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
except Exception:
if delete_device:
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
raise
if not delete_device:
self.addCleanup(heketi_device_disable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
if delete_device:
try:
heketi_device_delete(self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
except Exception:
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
self.addCleanup(heketi_device_disable, self.heketi_client_node,
self.heketi_server_url, lowest_device_id)
raise
self.addCleanup(heketi_device_add, self.heketi_client_node,
self.heketi_server_url, lowest_device_name,
node_id)
# Create volume
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
vol_size,
json=True)
self.addCleanup(heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
if delete_device:
return
# Check that none of volume's bricks is present on the device
present = self.check_any_of_bricks_present_in_device(
vol_info['bricks'], lowest_device_id)
self.assertFalse(
present,
"Some of the '%s' volume bricks is present of the removed "
"'%s' device." % (vol_info['id'], lowest_device_id))
def test_heketi_metrics_validation_after_node(self, condition):
"""Validate heketi metrics after adding and remove node"""
# Get additional node
additional_host_info = g.config.get("additional_gluster_servers")
if not additional_host_info:
self.skipTest(
"Skipping this test case as additional gluster server is "
"not provied in config file")
additional_host_info = list(additional_host_info.values())[0]
storage_hostname = additional_host_info.get("manage")
storage_ip = additional_host_info.get("storage")
if not (storage_hostname and storage_ip):
self.skipTest(
"Config options 'additional_gluster_servers.manage' "
"and 'additional_gluster_servers.storage' must be set.")
h_client, h_server = self.heketi_client_node, self.heketi_server_url
initial_node_count, final_node_count = 0, 0
# Get initial node count from prometheus metrics
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_nodes_count')
initial_node_count = reduce(
lambda x, y: x + y,
[result.get('value')[1] for result in metric_result])
# Switch to storage project
openshift_ops.switch_oc_project(
self._master, self.storage_project_name)
# Configure node before adding node
self.configure_node_to_run_gluster(storage_hostname)
# Get cluster list
cluster_info = heketi_ops.heketi_cluster_list(
h_client, h_server, json=True)
# Add node to the cluster
heketi_node_info = heketi_ops.heketi_node_add(
h_client, h_server,
len(self.gluster_servers), cluster_info.get('clusters')[0],
storage_hostname, storage_ip, json=True)
heketi_node_id = heketi_node_info.get("id")
self.addCleanup(
heketi_ops.heketi_node_delete,
h_client, h_server, heketi_node_id, raise_on_error=False)
self.addCleanup(
heketi_ops.heketi_node_remove,
h_client, h_server, heketi_node_id, raise_on_error=False)
self.addCleanup(
heketi_ops.heketi_node_disable,
h_client, h_server, heketi_node_id, raise_on_error=False)
self.addCleanup(
openshift_ops.switch_oc_project,
self._master, self.storage_project_name)
if condition == 'delete':
# Switch to openshift-monitoring project
openshift_ops.switch_oc_project(
self.ocp_master_node[0], self._prometheus_project_name)
# Get initial node count from prometheus metrics
for w in waiter.Waiter(timeout=60, interval=10):
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_nodes_count')
node_count = reduce(
lambda x, y: x + y,
[result.get('value')[1] for result in metric_result])
if node_count != initial_node_count:
break
if w.expired:
raise exceptions.ExecutionError(
"Failed to get updated node details from prometheus")
# Remove node from cluster
heketi_ops.heketi_node_disable(h_client, h_server, heketi_node_id)
heketi_ops.heketi_node_remove(h_client, h_server, heketi_node_id)
for device in heketi_node_info.get('devices'):
heketi_ops.heketi_device_delete(
h_client, h_server, device.get('id'))
heketi_ops.heketi_node_delete(h_client, h_server, heketi_node_id)
# Switch to openshift-monitoring project
openshift_ops.switch_oc_project(
self.ocp_master_node[0], self._prometheus_project_name)
# Get final node count from prometheus metrics
for w in waiter.Waiter(timeout=60, interval=10):
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_nodes_count')
final_node_count = reduce(
lambda x, y: x + y,
[result.get('value')[1] for result in metric_result])
if condition == 'delete':
if final_node_count < node_count:
break
else:
if final_node_count > initial_node_count:
break
if w.expired:
raise exceptions.ExecutionError(
"Failed to update node details in prometheus")
def test_heketi_prometheus_usedbytes_brickcount_on_device_delete(
self, operation):
"""Validate used bytes,device count on heketi and prometheus"""
h_node, h_server = self.heketi_client_node, self.heketi_server_url
# Get list of additional devices for one of the Gluster nodes
gluster_server_0 = list(self.gluster_servers_info.values())[0]
manage_hostname = gluster_server_0.get("manage")
self.assertTrue(
manage_hostname, "IP Address is not specified for "
"node {}".format(gluster_server_0))
device_name = gluster_server_0.get("additional_devices")[0]
self.assertTrue(
device_name, "Additional devices are not specified for "
"node {}".format(gluster_server_0))
# Get node ID of the Gluster hostname
node_list = heketi_ops.heketi_topology_info(
h_node, h_server, json=True).get("clusters")[0].get("nodes")
self.assertTrue(
node_list, "Cluster info command returned empty list of nodes")
node_id = [
node.get("id")
for node in node_list
if manage_hostname == node.get("hostnames").get("manage")[0]]
self.assertTrue(
node_id, "Failed to get node_id for {}".format(manage_hostname))
node_id = node_id[0]
# Adding heketi device
heketi_ops.heketi_device_add(h_node, h_server, device_name, node_id)
node_info_after_addition = heketi_ops.heketi_node_info(
h_node, h_server, node_id, json=True)
device_id, bricks = None, None
for device in node_info_after_addition.get("devices"):
if device.get("name") == device_name:
device_id, bricks = (
device.get("id"), len(device.get("bricks")))
break
# Verify zero bricks on the device
msg = (
"Number of bricks on the device {} of the nodes should be"
"zero".format(device_name))
self.assertFalse(bricks, msg)
self.addCleanup(
heketi_ops.heketi_device_delete, h_node, h_server, device_id,
raise_on_error=False)
self.addCleanup(
heketi_ops.heketi_device_remove, h_node, h_server, device_id,
raise_on_error=False)
self.addCleanup(
heketi_ops.heketi_device_disable, h_node, h_server, device_id,
raise_on_error=False)
# Disable,Remove and Delete heketi device
heketi_ops.heketi_device_disable(h_node, h_server, device_id)
heketi_ops.heketi_device_remove(h_node, h_server, device_id)
heketi_ops.heketi_device_delete(h_node, h_server, device_id)
# Verify device deletion
node_info_after_deletion = (
heketi_ops.heketi_node_info(h_node, h_server, node_id))
msg = ("Device {} should not be shown in node info of the node {}"
"after the device deletion".format(device_id, node_id))
self.assertNotIn(device_id, node_info_after_deletion, msg)
if operation == "usedbytes":
# Validate heketi and prometheus device used bytes
for w in waiter.Waiter(timeout=60, interval=10):
device_used_bytes_prometheus = 0
device_used_bytes_metrics = 0
openshift_ops.switch_oc_project(
self.ocp_master_node[0], 'openshift-monitoring')
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_device_used_bytes')
for result in metric_result:
if (node_id == result.get('cluster')
and device_name == result.get('device')):
device_used_bytes_prometheus += (
int(result.get('value')[1]))
openshift_ops.switch_oc_project(
self.ocp_master_node[0], 'glusterfs')
metrics = heketi_ops.get_heketi_metrics(h_node, h_server)
heketi_device_count_metric = (
metrics.get('heketi_device_used_bytes'))
for result in heketi_device_count_metric:
if (node_id == result.get('cluster')
and device_name == result.get('device')):
device_used_bytes_metrics = int(result.get('value'))
if device_used_bytes_prometheus == device_used_bytes_metrics:
break
if w.expired:
raise exceptions.ExecutionError(
"Failed to update device details in prometheus")
elif operation == "brickcount":
# Validate heketi and prometheus device brick count
for w in waiter.Waiter(timeout=60, interval=10):
device_brick_count_prometheus = 0
device_brick_count_metrics = 0
metrics = heketi_ops.get_heketi_metrics(h_node, h_server)
heketi_device_count_metric = metrics.get(
'heketi_device_brick_count')
for result in heketi_device_count_metric:
device_brick_count_metrics += int(result.get('value'))
openshift_ops.switch_oc_project(
self.ocp_master_node[0], 'openshift-monitoring')
metric_result = self._fetch_metric_from_promtheus_pod(
metric='heketi_device_brick_count')
for result in metric_result:
device_brick_count_prometheus += (
int(result.get('value')[1]))
if device_brick_count_prometheus == device_brick_count_metrics:
break
if w.expired:
raise exceptions.ExecutionError(
"Failed to update device details in prometheus")
def test_heketi_device_replacement_in_node(self):
"""Validate device replacement operation on single node"""
h_client, h_server = self.heketi_client_node, self.heketi_server_url
try:
gluster_server_0 = list(g.config["gluster_servers"].values())[0]
manage_hostname = gluster_server_0["manage"]
add_device_name = gluster_server_0["additional_devices"][0]
except (KeyError, IndexError):
self.skipTest(
"Additional disk is not specified for node with following "
"hostnames and IP addresses: {}, {}".format(
gluster_server_0.get('manage', '?'),
gluster_server_0.get('storage', '?')))
# Get existing heketi volume list
existing_volumes = heketi_volume_list(h_client, h_server, json=True)
# Add cleanup function to clean stale volumes created during test
self.addCleanup(self._cleanup_heketi_volumes,
existing_volumes.get("volumes"))
# Get nodes info
node_id_list = heketi_node_list(h_client, h_server)
# Disable 4th and other nodes
if len(node_id_list) > 3:
for node_id in node_id_list[3:]:
heketi_node_disable(h_client, h_server, node_id)
self.addCleanup(heketi_node_enable, h_client, h_server,
node_id)
# Create volume when 3 nodes are online
vol_size, vol_count = 2, 4
for _ in range(vol_count):
vol_info = heketi_blockvolume_create(h_client,
h_server,
vol_size,
json=True)
self.addCleanup(heketi_blockvolume_delete, h_client, h_server,
vol_info['id'])
# Get node ID of the Gluster hostname
topology_info = heketi_topology_info(h_client, h_server, json=True)
self.assertIsNotNone(topology_info, "Failed to get topology info")
self.assertIn("clusters", topology_info.keys(),
"Failed to get cluster "
"details from topology info")
node_list = topology_info["clusters"][0]["nodes"]
self.assertTrue(node_list,
"Cluster info command returned empty list of nodes")
node_id = None
for node in node_list:
if manage_hostname == node['hostnames']["manage"][0]:
node_id = node["id"]
break
self.assertTrue(
node_id, "Failed to get node info for node id '{}'".format(
manage_hostname))
# Add extra device, then remember it's ID and size
device_id_new, device_size_new = self._add_heketi_device(
add_device_name, node_id)
# Remove one of the existing devices on node except new device
device_name, device_id = None, None
node_info_after_addition = heketi_node_info(h_client,
h_server,
node_id,
json=True)
for device in node_info_after_addition["devices"]:
if (device["name"] != add_device_name
and device["storage"]["total"] == device_size_new):
device_name = device["name"]
device_id = device["id"]
break
self.assertIsNotNone(device_name, "Failed to get device name")
self.assertIsNotNone(device_id, "Failed to get device id")
self.addCleanup(heketi_device_enable,
h_client,
h_server,
device_id,
raise_on_error=False)
self.addCleanup(heketi_device_add,
h_client,
h_server,
device_name,
node_id,
raise_on_error=False)
heketi_device_disable(h_client, h_server, device_id)
heketi_device_remove(h_client, h_server, device_id)
heketi_device_delete(h_client, h_server, device_id)
def _add_new_device_and_remove_existing_device(
self,
is_delete_device,
add_device_name,
node_id,
add_back_again=False,
skip_cleanup_addition=False):
"""Delete or remove device and also add one device on the same node.
"""
h_client, h_url = self.heketi_client_node, self.heketi_server_url
raise_on_error = False if add_back_again else True
# Iterate chosen node devices and pick the smallest online one.
lowest_device_size = lowest_device_id = None
online_hosts = self.get_online_nodes_disable_redundant()
for host in online_hosts[0:3]:
if node_id != host["id"]:
continue
for device in host["devices"]:
if device["state"].strip().lower() != "online":
continue
if (lowest_device_size is None
or device["storage"]["total"] < lowest_device_size):
lowest_device_size = device["storage"]["total"]
lowest_device_id = device["id"]
lowest_device_name = device["name"]
if lowest_device_id is None:
self.skipTest(
"Didn't find suitable device for disablement on '%s' node." %
(node_id))
# Create volume
vol_size = 1
vol_info = heketi_volume_create(h_client, h_url, vol_size, json=True)
self.addCleanup(heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# Add extra device, then remember it's ID and size
device_id_new, device_size_new = self._add_heketi_device(
add_device_name, node_id, raise_on_error)
if lowest_device_size > device_size_new:
skip_msg = ("Skip test case, because newly added disk %s is "
"smaller than device which we want to remove %s." %
(device_size_new, lowest_device_size))
self.skipTest(skip_msg)
g.log.info("Removing device id %s" % lowest_device_id)
with self.assertRaises(AssertionError):
out = heketi_device_remove(h_client, h_url, lowest_device_id)
self.addCleanup(heketi_device_enable, h_client, h_url,
lowest_device_id)
self.addCleanup(heketi_device_disable, h_client, h_url,
lowest_device_id)
self.assertFalse(True, "Device removal didn't fail: %s" % out)
g.log.info("Device removal failed as expected")
# Need to disable device before removing
heketi_device_disable(h_client, h_url, lowest_device_id)
if not is_delete_device:
self.addCleanup(heketi_device_enable, h_client, h_url,
lowest_device_id)
# Remove device from Heketi
try:
heketi_device_remove(h_client, h_url, lowest_device_id)
except Exception:
if is_delete_device:
self.addCleanup(heketi_device_enable,
h_client,
h_url,
lowest_device_id,
raise_on_error=raise_on_error)
raise
if not is_delete_device:
self.addCleanup(heketi_device_disable, h_client, h_url,
lowest_device_id)
if is_delete_device:
try:
heketi_device_delete(h_client, h_url, lowest_device_id)
except Exception:
self.addCleanup(heketi_device_enable,
h_client,
h_url,
lowest_device_id,
raise_on_error=raise_on_error)
self.addCleanup(heketi_device_disable,
h_client,
h_url,
lowest_device_id,
raise_on_error=raise_on_error)
raise
if not skip_cleanup_addition:
# Do not add the additional device back, intially added
self.addCleanup(heketi_device_add,
h_client,
h_url,
lowest_device_name,
node_id,
raise_on_error=raise_on_error)
# Create volume
vol_info = heketi_volume_create(h_client, h_url, vol_size, json=True)
self.addCleanup(heketi_volume_delete, h_client, h_url, vol_info['id'])
if is_delete_device:
return lowest_device_name
# Check that none of volume's bricks is present on the device
present = self.check_any_of_bricks_present_in_device(
vol_info['bricks'], lowest_device_id)
self.assertFalse(
present,
"Some of the '%s' volume bricks is present of the removed "
"'%s' device." % (vol_info['id'], lowest_device_id))
def test_dev_path_mapping_heketi_node_delete(self):
"""Validate dev path mapping for heketi node deletion lifecycle"""
h_client, h_url = self.heketi_client_node, self.heketi_server_url
node_ids = heketi_ops.heketi_node_list(h_client, h_url)
self.assertTrue(node_ids, "Failed to get heketi node list")
# Fetch #4th node for the operations
h_disable_node = node_ids[3]
# Fetch bricks on the devices before volume create
h_node_details_before, h_node = self._get_bricks_and_device_details()
# Bricks count on the node before pvc creation
brick_count_before = [count[1] for count in h_node_details_before]
# Create file volume with app pod and verify IO's
# and compare path, UUID, vg_name
pod_name, dc_name, use_percent = self._create_app_pod_and_verify_pvs()
# Check if IO's are running
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
# Fetch bricks on the devices after volume create
h_node_details_after, h_node = self._get_bricks_and_device_details()
# Bricks count on the node after pvc creation
brick_count_after = [count[1] for count in h_node_details_after]
self.assertGreater(
sum(brick_count_after), sum(brick_count_before),
"Failed to add bricks on the node {}".format(h_node))
self.addCleanup(heketi_ops.heketi_node_disable, h_client, h_url,
h_disable_node)
# Enable the #4th node
heketi_ops.heketi_node_enable(h_client, h_url, h_disable_node)
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_disable_node,
json=True)
h_node_id = node_info['id']
self.assertEqual(node_info['state'], "online",
"Failed to enable node {}".format(h_disable_node))
# Disable the node and check for brick migrations
self.addCleanup(heketi_ops.heketi_node_enable,
h_client,
h_url,
h_node,
raise_on_error=False)
heketi_ops.heketi_node_disable(h_client, h_url, h_node)
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
self.assertEqual(node_info['state'], "offline",
"Failed to disable node {}".format(h_node))
# Before bricks migration
h_node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
# Bricks before migration on the node i.e to be deleted
bricks_counts_before = 0
for device in h_node_info['devices']:
bricks_counts_before += (len(device['bricks']))
# Remove the node
heketi_ops.heketi_node_remove(h_client, h_url, h_node)
# After bricks migration
h_node_info_after = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
# Bricks after migration on the node i.e to be delete
bricks_counts = 0
for device in h_node_info_after['devices']:
bricks_counts += (len(device['bricks']))
self.assertFalse(
bricks_counts,
"Failed to remove all the bricks from node {}".format(h_node))
# Old node which is to deleted, new node were bricks resides
old_node, new_node = h_node, h_node_id
# Node info for the new node were brick reside after migration
h_node_info_new = heketi_ops.heketi_node_info(h_client,
h_url,
new_node,
json=True)
bricks_counts_after = 0
for device in h_node_info_new['devices']:
bricks_counts_after += (len(device['bricks']))
self.assertEqual(
bricks_counts_before, bricks_counts_after,
"Failed to migrated bricks from {} node to {}".format(
old_node, new_node))
# Fetch device list i.e to be deleted
h_node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
devices_list = [[device['id'], device['name']]
for device in h_node_info['devices']]
for device in devices_list:
device_id = device[0]
device_name = device[1]
self.addCleanup(heketi_ops.heketi_device_add,
h_client,
h_url,
device_name,
h_node,
raise_on_error=False)
# Device deletion from heketi node
device_delete = heketi_ops.heketi_device_delete(
h_client, h_url, device_id)
self.assertTrue(device_delete,
"Failed to delete the device {}".format(device_id))
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
cluster_id = node_info['cluster']
zone = node_info['zone']
storage_hostname = node_info['hostnames']['manage'][0]
storage_ip = node_info['hostnames']['storage'][0]
# Delete the node
self.addCleanup(heketi_ops.heketi_node_add,
h_client,
h_url,
zone,
cluster_id,
storage_hostname,
storage_ip,
raise_on_error=False)
heketi_ops.heketi_node_delete(h_client, h_url, h_node)
# Verify if the node is deleted
node_ids = heketi_ops.heketi_node_list(h_client, h_url)
self.assertNotIn(old_node, node_ids,
"Failed to delete the node {}".format(old_node))
# Check if IO's are running
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
# Adding node back
h_node_info = heketi_ops.heketi_node_add(h_client,
h_url,
zone,
cluster_id,
storage_hostname,
storage_ip,
json=True)
self.assertTrue(
h_node_info,
"Failed to add the node in the cluster {}".format(cluster_id))
h_node_id = h_node_info["id"]
# Adding devices to the new node
for device in devices_list:
storage_device = device[1]
# Add device to the new heketi node
heketi_ops.heketi_device_add(h_client, h_url, storage_device,
h_node_id)
heketi_node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node_id,
json=True)
device_id = None
for device in heketi_node_info["devices"]:
if device["name"] == storage_device:
device_id = device["id"]
break
self.assertTrue(
device_id, "Failed to add device {} on node {}".format(
storage_device, h_node_id))
# Create n pvc in order to verfiy if the bricks reside on the new node
pvc_amount, pvc_size = 5, 1
# Fetch bricks on the devices before volume create
h_node_details_before, h_node = self._get_bricks_and_device_details()
# Bricks count on the node before pvc creation
brick_count_before = [count[1] for count in h_node_details_before]
# Create file volumes
pvc_name = self.create_and_wait_for_pvcs(pvc_size=pvc_size,
pvc_amount=pvc_amount)
self.assertEqual(len(pvc_name), pvc_amount,
"Failed to create {} pvc".format(pvc_amount))
# Fetch bricks on the devices before volume create
h_node_details_after, h_node = self._get_bricks_and_device_details()
# Bricks count on the node after pvc creation
brick_count_after = [count[1] for count in h_node_details_after]
self.assertGreater(
sum(brick_count_after), sum(brick_count_before),
"Failed to add bricks on the new node {}".format(new_node))
# Check if IO's are running after new node is added
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
def test_dev_path_mapping_heketi_device_delete(self):
"""Validate dev path mapping for heketi device delete lifecycle"""
h_client, h_url = self.heketi_client_node, self.heketi_server_url
node_ids = heketi_ops.heketi_node_list(h_client, h_url)
self.assertTrue(node_ids, "Failed to get heketi node list")
# Fetch #4th node for the operations
h_disable_node = node_ids[3]
# Fetch bricks on the devices before volume create
h_node_details_before, h_node = self._get_bricks_and_device_details()
# Bricks count on the node before pvc creation
brick_count_before = [count[1] for count in h_node_details_before]
# Create file volume with app pod and verify IO's
# and compare path, UUID, vg_name
pod_name, dc_name, use_percent = self._create_app_pod_and_verify_pvs()
# Check if IO's are running
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
# Fetch bricks on the devices after volume create
h_node_details_after, h_node = self._get_bricks_and_device_details()
# Bricks count on the node after pvc creation
brick_count_after = [count[1] for count in h_node_details_after]
self.assertGreater(
sum(brick_count_after), sum(brick_count_before),
"Failed to add bricks on the node {}".format(h_node))
# Enable the #4th node
heketi_ops.heketi_node_enable(h_client, h_url, h_disable_node)
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_disable_node,
json=True)
h_node_id = node_info['id']
self.assertEqual(node_info['state'], "online",
"Failed to enable node {}".format(h_disable_node))
# Fetch device list i.e to be deleted
h_node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
devices_list = [[device['id'], device['name']]
for device in h_node_info['devices']]
# Device deletion operation
for device in devices_list:
device_id, device_name = device[0], device[1]
self.addCleanup(heketi_ops.heketi_device_enable,
h_client,
h_url,
device_id,
raise_on_error=False)
# Disable device from heketi
device_disable = heketi_ops.heketi_device_disable(
h_client, h_url, device_id)
self.assertTrue(
device_disable,
"Device {} could not be disabled".format(device_id))
device_info = heketi_ops.heketi_device_info(h_client,
h_url,
device_id,
json=True)
self.assertEqual(device_info['state'], "offline",
"Failed to disable device {}".format(device_id))
# Remove device from heketi
device_remove = heketi_ops.heketi_device_remove(
h_client, h_url, device_id)
self.assertTrue(device_remove,
"Device {} could not be removed".format(device_id))
# Bricks after device removal
device_info = heketi_ops.heketi_device_info(h_client,
h_url,
device_id,
json=True)
bricks_count_after = len(device_info['bricks'])
self.assertFalse(
bricks_count_after,
"Failed to remove the bricks from the device {}".format(
device_id))
# Delete device from heketi
self.addCleanup(heketi_ops.heketi_device_add,
h_client,
h_url,
device_name,
h_node,
raise_on_error=False)
device_delete = heketi_ops.heketi_device_delete(
h_client, h_url, device_id)
self.assertTrue(device_delete,
"Device {} could not be deleted".format(device_id))
# Check if IO's are running after device is deleted
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
# Add device operations
for device in devices_list:
device_name = device[1]
# Add device back to the node
heketi_ops.heketi_device_add(h_client, h_url, device_name, h_node)
# Fetch device info after device add
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node,
json=True)
device_id = None
for device in node_info["devices"]:
if device["name"] == device_name:
device_id = device["id"]
break
self.assertTrue(
device_id, "Failed to add device {} on node"
" {}".format(device_name, h_node))
# Disable the #4th node
heketi_ops.heketi_node_disable(h_client, h_url, h_node_id)
node_info = heketi_ops.heketi_node_info(h_client,
h_url,
h_node_id,
json=True)
self.assertEqual(node_info['state'], "offline",
"Failed to disable node {}".format(h_node_id))
pvc_amount, pvc_size = 5, 1
# Fetch bricks on the devices before volume create
h_node_details_before, h_node = self._get_bricks_and_device_details()
# Bricks count on the node before pvc creation
brick_count_before = [count[1] for count in h_node_details_before]
# Create file volumes
pvc_name = self.create_and_wait_for_pvcs(pvc_size=pvc_size,
pvc_amount=pvc_amount)
self.assertEqual(len(pvc_name), pvc_amount,
"Failed to create {} pvc".format(pvc_amount))
# Fetch bricks on the devices after volume create
h_node_details_after, h_node = self._get_bricks_and_device_details()
# Bricks count on the node after pvc creation
brick_count_after = [count[1] for count in h_node_details_after]
self.assertGreater(
sum(brick_count_after), sum(brick_count_before),
"Failed to add bricks on the node {}".format(h_node))
# Check if IO's are running after new device is added
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
