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 _get_vol_size(self):
# Get available free space disabling redundant nodes
min_free_space_gb = 5
heketi_url = self.heketi_server_url
node_ids = heketi_node_list(self.heketi_client_node, heketi_url)
self.assertTrue(node_ids)
nodes = {}
min_free_space = min_free_space_gb * 1024**2
for node_id in node_ids:
node_info = heketi_node_info(self.heketi_client_node,
heketi_url,
node_id,
json=True)
if (node_info['state'].lower() != 'online'
or not node_info['devices']):
continue
if len(nodes) > 2:
out = heketi_node_disable(self.heketi_client_node, heketi_url,
node_id)
self.assertTrue(out)
self.addCleanup(heketi_node_enable, self.heketi_client_node,
heketi_url, node_id)
for device in node_info['devices']:
if device['state'].lower() != 'online':
continue
free_space = device['storage']['free']
if free_space < min_free_space:
out = heketi_device_disable(self.heketi_client_node,
heketi_url, device['id'])
self.assertTrue(out)
self.addCleanup(heketi_device_enable,
self.heketi_client_node, heketi_url,
device['id'])
continue
if node_id not in nodes:
nodes[node_id] = []
nodes[node_id].append(device['storage']['free'])
# Skip test if nodes requirements are not met
if (len(nodes) < 3
or not all(map(
(lambda _list: len(_list) > 1), nodes.values()))):
raise self.skipTest("Could not find 3 online nodes with, "
"at least, 2 online devices having free space "
"bigger than %dGb." % min_free_space_gb)
# Calculate size of a potential distributed vol
vol_size_gb = int(min(map(max, nodes.values())) / (1024**2)) + 1
return vol_size_gb
def _available_disk_free_space(self):
min_free_space_gb = 3
# Get available free space disabling redundant devices and nodes
heketi_url = self.heketi_server_url
node_id_list = heketi_ops.heketi_node_list(self.heketi_client_node,
heketi_url)
self.assertTrue(node_id_list)
nodes = {}
min_free_space = min_free_space_gb * 1024**2
for node_id in node_id_list:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
heketi_url,
node_id,
json=True)
if (node_info['state'].lower() != 'online'
or not node_info['devices']):
continue
if len(nodes) > 2:
self.addCleanup(heketi_ops.heketi_node_enable,
self.heketi_client_node, heketi_url, node_id)
out = heketi_ops.heketi_node_disable(self.heketi_client_node,
heketi_url, node_id)
self.assertTrue(out)
for device in node_info['devices']:
if device['state'].lower() != 'online':
continue
free_space = device['storage']['free']
if (node_id in nodes.keys() or free_space < min_free_space):
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, heketi_url, device['id'])
self.assertTrue(out)
self.addCleanup(heketi_ops.heketi_device_enable,
self.heketi_client_node, heketi_url,
device['id'])
continue
nodes[node_id] = free_space
if len(nodes) < 3:
raise self.skipTest("Could not find 3 online nodes with, "
"at least, 1 online device having free space "
"bigger than %dGb." % min_free_space_gb)
# Calculate maximum available size for PVC
available_size_gb = int(min(nodes.values()) / (1024**2))
return available_size_gb
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 _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_pv_resize_device_disabled(self):
"""Validate resize after disabling all devices except one"""
h_node, h_url = self.heketi_client_node, self.heketi_server_url
# expand volume size and path volume is mounted
expand_size, dir_path = 7, "/mnt"
# Get nodes info
heketi_node_id_list = heketi_ops.heketi_node_list(h_node, h_url)
if len(heketi_node_id_list) < 3:
self.skipTest(
"At-least 3 gluster nodes are required to execute test case")
self.create_storage_class(allow_volume_expansion=True)
pvc_name = self.create_and_wait_for_pvc(pvc_size=2)
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
dc_name, pod_name = self.create_dc_with_pvc(pvc_name)
self._write_file(pod_name, "file1", "1G", dir_path)
with self.assertRaises(AssertionError):
self._write_file(pod_name, "file2", "3G", dir_path)
# Prepare first 3 nodes and then disable other devices.
for node_id in heketi_node_id_list[:3]:
node_info = heketi_ops.heketi_node_info(h_node,
h_url,
node_id,
json=True)
self.assertTrue(node_info, "Failed to get node info")
devices = node_info.get("devices", None)
self.assertTrue(devices,
"Node {} does not have devices".format(node_id))
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Skipping test as it expects to first device to"
" be enabled")
for device in devices[1:]:
heketi_ops.heketi_device_disable(h_node, h_url, device["id"])
self.addCleanup(heketi_ops.heketi_device_enable, h_node, h_url,
device["id"])
usedsize_before_resize = self._get_mount_size(pod_name, dir_path)
# Resize pvc
resize_pvc(self.node, pvc_name, expand_size)
verify_pvc_size(self.node, pvc_name, expand_size)
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertFalse(len(vol_info['bricks']['brick']) % 3)
for node_id in heketi_node_id_list[:3]:
for device in devices[1:]:
heketi_ops.heketi_device_enable(h_node, h_url, device["id"])
self._write_file(pod_name, "file3", "3G", dir_path)
usedsize_after_resize = self._get_mount_size(pod_name, dir_path)
self.assertGreater(
int(usedsize_before_resize.strip('%')),
int(usedsize_after_resize.strip('%')),
"Mount size {} should be greater than {}".format(
usedsize_before_resize, usedsize_after_resize))
self._write_file(pod_name, "file4", "1024", dir_path)
# Validate dist-rep volume with 6 bricks after pv resize
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertEqual(
6, len(vol_info['bricks']['brick']),
"Expected bricks count is 6, but actual brick count is {}".format(
len(vol_info['bricks']['brick'])))
def test_create_volumes_enabling_and_disabling_heketi_devices(self):
"""Validate enable/disable of heketi device"""
# Get nodes info
node_id_list = heketi_ops.heketi_node_list(self.heketi_client_node,
self.heketi_server_url)
node_info_list = []
for node_id in node_id_list[0:3]:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
node_info_list.append(node_info)
# Disable 4th and other nodes
if len(node_id_list) > 3:
for node_id in node_id_list[3:]:
heketi_ops.heketi_node_disable(self.heketi_client_node,
self.heketi_server_url, node_id)
self.addCleanup(heketi_ops.heketi_node_enable,
self.heketi_client_node,
self.heketi_server_url, node_id)
# Disable second and other devices on the first 3 nodes
for node_info in node_info_list[0:3]:
devices = node_info["devices"]
self.assertTrue(
devices, "Node '%s' does not have devices." % node_info["id"])
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Test expects first device to be enabled.")
if len(devices) < 2:
continue
for device in node_info["devices"][1:]:
out = heketi_ops.heketi_device_disable(self.heketi_client_node,
self.heketi_server_url,
device["id"])
self.assertTrue(
out, "Failed to disable the device %s" % device["id"])
self.addCleanup(heketi_ops.heketi_device_enable,
self.heketi_client_node,
self.heketi_server_url, device["id"])
# Create heketi volume
out = heketi_ops.heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
1,
json=True)
self.assertTrue(out, "Failed to create heketi volume of size 1")
g.log.info("Successfully created heketi volume of size 1")
device_id = out["bricks"][0]["device"]
self.addCleanup(heketi_ops.heketi_volume_delete,
self.heketi_client_node, self.heketi_server_url,
out["bricks"][0]["volume"])
# Disable device
g.log.info("Disabling '%s' device" % device_id)
out = heketi_ops.heketi_device_disable(self.heketi_client_node,
self.heketi_server_url,
device_id)
self.assertTrue(out, "Failed to disable the device %s" % device_id)
g.log.info("Successfully disabled device %s" % device_id)
try:
# Get device info
g.log.info("Retrieving '%s' device info" % device_id)
out = heketi_ops.heketi_device_info(self.heketi_client_node,
self.heketi_server_url,
device_id,
json=True)
self.assertTrue(out, "Failed to get device info %s" % device_id)
g.log.info("Successfully retrieved device info %s" % device_id)
name = out["name"]
self.assertEqual(out["state"].lower().strip(), "offline",
"Device %s is not in offline state." % name)
g.log.info("Device %s is now offine" % name)
# Try to create heketi volume
g.log.info("Creating heketi volume: Expected to fail.")
try:
out = heketi_ops.heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
1,
json=True)
except AssertionError:
g.log.info("Volume was not created as expected.")
else:
self.addCleanup(heketi_ops.heketi_volume_delete,
self.heketi_client_node,
self.heketi_server_url,
out["bricks"][0]["volume"])
msg = "Volume unexpectedly created. Out: %s" % out
assert False, msg
finally:
# Enable the device back
g.log.info("Enable '%s' device back." % device_id)
out = heketi_ops.heketi_device_enable(self.heketi_client_node,
self.heketi_server_url,
device_id)
self.assertTrue(out, "Failed to enable the device %s" % device_id)
g.log.info("Successfully enabled device %s" % device_id)
# Get device info
out = heketi_ops.heketi_device_info(self.heketi_client_node,
self.heketi_server_url,
device_id,
json=True)
self.assertTrue(out, ("Failed to get device info %s" % device_id))
g.log.info("Successfully retrieved device info %s" % device_id)
name = out["name"]
self.assertEqual(out["state"], "online",
"Device %s is not in online state." % name)
# Create heketi volume of size
out = heketi_ops.heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
1,
json=True)
self.assertTrue(out, "Failed to create volume of size 1")
self.addCleanup(heketi_ops.heketi_volume_delete,
self.heketi_client_node, self.heketi_server_url,
out["bricks"][0]["volume"])
g.log.info("Successfully created volume of size 1")
name = out["name"]
# Get gluster volume info
vol_info = get_volume_info('auto_get_gluster_endpoint', volname=name)
self.assertTrue(vol_info, "Failed to get '%s' volume info." % name)
g.log.info("Successfully got the '%s' volume info." % name)
def test_check_device_disable_based_on_heketi_zone(
self, zone_count, is_disable_on_different_zone, is_set_env=False):
"""Validate device disable in different heketi zones"""
online_device_count, expected_device_count = 0, 4
expected_node_count, heketi_zone_checking, sc_name = 4, "strict", None
# Check amount of available online nodes
online_node_count = len(self._get_online_nodes())
if online_node_count < expected_node_count:
self.skipTest('Available node count {} is less than expected node '
'count {}'.format(online_node_count,
expected_node_count))
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Get the online devices and nodes w.r.t. to zone
zone_devices_nodes = self._get_online_devices_and_nodes_with_zone()
# Check amount of available online heketi devices
for zone in zone_devices_nodes:
online_device_count += len(zone_devices_nodes[zone]['devices'])
if online_device_count < expected_device_count:
self.skipTest(
"Expected the heketi device count {} is greater than the "
"available device count {}".format(expected_device_count,
online_device_count))
# Create sc or else directly set env to "strict" inside dc
is_create_sc = not is_set_env
if is_create_sc:
sc_name = self.create_storage_class(
sc_name_prefix=self.prefix,
vol_name_prefix=self.prefix,
heketi_zone_checking=heketi_zone_checking)
if is_set_env:
self._set_zone_check_env_in_heketi_dc(heketi_zone_checking)
# Choose a zone and device_id to disable the device
for zone, nodes_and_devices in zone_devices_nodes.items():
if zone_count == 3:
# Select a device with a zone having multiple nodes in
# same zone to cover the test cases "disable in same zone"
if len(nodes_and_devices['devices']) > 1:
zone_with_disabled_device = zone
disabled_device = nodes_and_devices['devices'][0]
break
else:
# Select device from any of the zones
zone_with_disabled_device = zone
disabled_device = nodes_and_devices['devices'][0]
break
# Disable the selected device
heketi_ops.heketi_device_disable(self.h_client, self.h_server,
disabled_device)
self.addCleanup(heketi_ops.heketi_device_enable, self.h_client,
self.h_server, disabled_device)
# Create some DCs with PVCs and check brick placement in heketi zones
pod_names = self._create_dcs_and_check_brick_placement(
self.prefix, sc_name, heketi_zone_checking, zone_count)
# Enable disabled device
heketi_ops.heketi_device_enable(self.h_client, self.h_server,
disabled_device)
if is_disable_on_different_zone:
# Select the new device in a different zone
for zone, nodes_and_devices in zone_devices_nodes.items():
if zone != zone_with_disabled_device:
new_device_to_disable = nodes_and_devices['devices'][0]
break
else:
# Select the new device in the same zone
new_device_to_disable = zone_devices_nodes[
zone_with_disabled_device]['devices'][1]
# Disable the newly selected device
heketi_ops.heketi_device_disable(self.h_client, self.h_server,
new_device_to_disable)
self.addCleanup(heketi_ops.heketi_device_enable, self.h_client,
self.h_server, new_device_to_disable)
# Verify if pods are in ready state
for pod_name in pod_names:
openshift_ops.wait_for_pod_be_ready(self.node,
pod_name,
timeout=5,
wait_step=2)
def test_create_arbiter_vol_with_more_than_one_brick_set(self):
"""Validate volume creation using heketi for more than six brick set"""
# Set arbiter:disabled tag to the data devices and get their info
data_nodes = []
for node_id in self.node_id_list[0:2]:
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
if len(node_info['devices']) < 2:
self.skipTest(
"Nodes are expected to have at least 2 devices")
if not all([int(d['storage']['free']) > (3 * 1024**2)
for d in node_info['devices'][0:2]]):
self.skipTest(
"Devices are expected to have more than 3Gb of free space")
for device in node_info['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url,
'device', device['id'], 'disabled',
device.get('tags', {}).get('arbiter'))
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url,
'node', node_id, 'disabled',
node_info.get('tags', {}).get('arbiter'))
data_nodes.append(node_info)
# Set arbiter:required tag to all other nodes and their devices
for node_id in self.node_id_list[2:]:
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url,
'node', node_id, 'required',
node_info.get('tags', {}).get('arbiter'))
for device in node_info['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url,
'device', device['id'], 'required',
device.get('tags', {}).get('arbiter'))
# Get second big volume between 2 data nodes and use it
# for target vol calculation.
for i, node_info in enumerate(data_nodes):
biggest_disk_free_space = 0
for device in node_info['devices'][0:2]:
free = int(device['storage']['free'])
if free > biggest_disk_free_space:
biggest_disk_free_space = free
data_nodes[i]['biggest_free_space'] = biggest_disk_free_space
target_vol_size_kb = 1 + min([
n['biggest_free_space'] for n in data_nodes])
# Check that all the data devices have, at least, half of required size
all_big_enough = True
for node_info in data_nodes:
for device in node_info['devices'][0:2]:
if float(device['storage']['free']) < (target_vol_size_kb / 2):
all_big_enough = False
break
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create helper arbiter vol if not all the data devices have
# half of required free space.
if not all_big_enough:
helper_vol_size_kb, target_vol_size_kb = 0, 0
smaller_device_id = None
for node_info in data_nodes:
devices = node_info['devices']
if ((devices[0]['storage']['free']) > (
devices[1]['storage']['free'])):
smaller_device_id = devices[1]['id']
smaller_device = devices[1]['storage']['free']
bigger_device = devices[0]['storage']['free']
else:
smaller_device_id = devices[0]['id']
smaller_device = devices[0]['storage']['free']
bigger_device = devices[1]['storage']['free']
diff = bigger_device - (2 * smaller_device) + 1
if diff > helper_vol_size_kb:
helper_vol_size_kb = diff
target_vol_size_kb = bigger_device - diff
# Disable smaller device and create helper vol on bigger one
# to reduce its size, then enable smaller device back.
try:
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, self.heketi_server_url,
smaller_device_id)
self.assertTrue(out)
self.create_and_wait_for_pvc(
int(helper_vol_size_kb / 1024.0**2) + 1)
finally:
out = heketi_ops.heketi_device_enable(
self.heketi_client_node, self.heketi_server_url,
smaller_device_id)
self.assertTrue(out)
# Create target arbiter volume
self.create_and_wait_for_pvc(int(target_vol_size_kb / 1024.0**2))
# Get gluster volume info
vol_info = get_gluster_vol_info_by_pvc_name(self.node, self.pvc_name)
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info, arbiter_bricks=2, data_bricks=4)
def test_heketi_device_removal_with_insuff_space(self):
"""Validate heketi with device removal insufficient space"""
# Disable 4+ nodes and 3+ devices on the first 3 nodes
min_free_space_gb = 5
min_free_space = min_free_space_gb * 1024**2
heketi_url = self.heketi_server_url
heketi_node = self.heketi_client_node
nodes = {}
node_ids = heketi_node_list(heketi_node, heketi_url)
self.assertTrue(node_ids)
for node_id in node_ids:
node_info = heketi_node_info(heketi_node,
heketi_url,
node_id,
json=True)
if (node_info["state"].lower() != "online"
or not node_info["devices"]):
continue
if len(nodes) > 2:
heketi_node_disable(heketi_node, heketi_url, node_id)
self.addCleanup(heketi_node_enable, heketi_node, heketi_url,
node_id)
continue
for device in node_info["devices"]:
if device["state"].lower() != "online":
continue
free_space = device["storage"]["free"]
if node_id not in nodes:
nodes[node_id] = []
if (free_space < min_free_space or len(nodes[node_id]) > 1):
heketi_device_disable(heketi_node, heketi_url,
device["id"])
self.addCleanup(heketi_device_enable, heketi_node,
heketi_url, device["id"])
continue
nodes[node_id].append({
"device_id": device["id"],
"free": free_space
})
# Skip test if nodes requirements are not met
if (len(nodes) < 3
or not all(map((lambda _l: len(_l) > 1), nodes.values()))):
raise self.skipTest(
"Could not find 3 online nodes with 2 online devices "
"having free space bigger than %dGb." % min_free_space_gb)
# Calculate size of a potential distributed vol
if nodes[node_ids[0]][0]["free"] > nodes[node_ids[0]][1]["free"]:
index = 0
else:
index = 1
vol_size_gb = int(nodes[node_ids[0]][index]["free"] / (1024**2)) + 1
device_id = nodes[node_ids[0]][index]["device_id"]
# Create volume with such size that we consume space more than
# size of smaller disks
h_volume_name = "autotests-heketi-volume-%s" % utils.get_random_str()
try:
self.create_heketi_volume_with_name_and_wait(h_volume_name,
vol_size_gb,
json=True)
except Exception as e:
# NOTE: rare situation when we need to decrease size of a volume.
g.log.info("Failed to create '%s'Gb volume. "
"Trying to create another one, smaller for 1Gb.")
if not ('more required' in str(e) and
('Insufficient suitable allocatable extents for '
'logical volume' in str(e))):
raise
vol_size_gb -= 1
self.create_heketi_volume_with_name_and_wait(h_volume_name,
vol_size_gb,
json=True)
# Try to 'remove' bigger Heketi disk expecting error,
# because there is no space on smaller disk to relocate bricks to
heketi_device_disable(heketi_node, heketi_url, device_id)
self.addCleanup(heketi_device_enable, heketi_node, heketi_url,
device_id)
try:
self.assertRaises(AssertionError, heketi_device_remove,
heketi_node, heketi_url, device_id)
except Exception:
self.addCleanup(heketi_device_disable, heketi_node, heketi_url,
device_id)
raise
def test_heketi_with_device_removal_insuff_space(self):
"""Validate heketi with device removal insufficient space"""
# Disable 4+ nodes and 3+ devices on the first 3 nodes
min_free_space_gb = 5
min_free_space = min_free_space_gb * 1024**2
heketi_url = self.heketi_server_url
heketi_node = self.heketi_client_node
nodes = {}
node_ids = heketi_node_list(heketi_node, heketi_url)
self.assertTrue(node_ids)
for node_id in node_ids:
node_info = heketi_node_info(heketi_node,
heketi_url,
node_id,
json=True)
if (node_info["state"].lower() != "online"
or not node_info["devices"]):
continue
if len(nodes) > 2:
heketi_node_disable(heketi_node, heketi_url, node_id)
self.addCleanup(heketi_node_enable, heketi_node, heketi_url,
node_id)
continue
for device in node_info["devices"]:
if device["state"].lower() != "online":
continue
free_space = device["storage"]["free"]
if node_id not in nodes:
nodes[node_id] = []
if (free_space < min_free_space or len(nodes[node_id]) > 1):
heketi_device_disable(heketi_node, heketi_url,
device["id"])
self.addCleanup(heketi_device_enable, heketi_node,
heketi_url, device["id"])
continue
nodes[node_id].append({
"device_id": device["id"],
"free": free_space
})
# Skip test if nodes requirements are not met
if (len(nodes) < 3
or not all(map(
(lambda _list: len(_list) > 1), nodes.values()))):
raise self.skipTest(
"Could not find 3 online nodes with 2 online devices "
"having free space bigger than %dGb." % min_free_space_gb)
# Calculate size of a potential distributed vol
if nodes[node_ids[0]][0]["free"] > nodes[node_ids[0]][1]["free"]:
index = 0
else:
index = 1
vol_size_gb = int(nodes[node_ids[0]][index]["free"] / (1024**2)) + 1
device_id = nodes[node_ids[0]][index]["device_id"]
# Create volume with such size that we consume space more than
# size of smaller disks
try:
heketi_vol = heketi_volume_create(heketi_node,
heketi_url,
vol_size_gb,
json=True)
except Exception as e:
g.log.warning(
"Got following error trying to create '%s'Gb vol: %s" %
(vol_size_gb, e))
vol_size_gb -= 1
heketi_vol = heketi_volume_create(heketi_node,
heketi_url,
vol_size_gb,
json=True)
self.addCleanup(heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url,
heketi_vol["bricks"][0]["volume"])
# Try to 'remove' bigger Heketi disk expecting error,
# because there is no space on smaller disk to relocate bricks to
heketi_device_disable(heketi_node, heketi_url, device_id)
self.addCleanup(heketi_device_enable, heketi_node, heketi_url,
device_id)
try:
self.assertRaises(ExecutionError, heketi_device_remove,
heketi_node, heketi_url, device_id)
except Exception:
self.addCleanup(heketi_device_disable, heketi_node, heketi_url,
device_id)
raise
def _pv_resize(self, exceed_free_space):
dir_path = "/mnt"
pvc_size_gb, min_free_space_gb = 1, 3
# Get available free space disabling redundant devices and nodes
heketi_url = self.heketi_server_url
node_id_list = heketi_ops.heketi_node_list(self.heketi_client_node,
heketi_url)
self.assertTrue(node_id_list)
nodes = {}
min_free_space = min_free_space_gb * 1024**2
for node_id in node_id_list:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
heketi_url,
node_id,
json=True)
if (node_info['state'].lower() != 'online'
or not node_info['devices']):
continue
if len(nodes) > 2:
out = heketi_ops.heketi_node_disable(self.heketi_client_node,
heketi_url, node_id)
self.assertTrue(out)
self.addCleanup(heketi_ops.heketi_node_enable,
self.heketi_client_node, heketi_url, node_id)
for device in node_info['devices']:
if device['state'].lower() != 'online':
continue
free_space = device['storage']['free']
if (node_id in nodes.keys() or free_space < min_free_space):
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, heketi_url, device['id'])
self.assertTrue(out)
self.addCleanup(heketi_ops.heketi_device_enable,
self.heketi_client_node, heketi_url,
device['id'])
continue
nodes[node_id] = free_space
if len(nodes) < 3:
raise self.skipTest("Could not find 3 online nodes with, "
"at least, 1 online device having free space "
"bigger than %dGb." % min_free_space_gb)
# Calculate maximum available size for PVC
available_size_gb = int(min(nodes.values()) / (1024**2))
# Create PVC
self.create_storage_class(allow_volume_expansion=True)
pvc_name = self.create_and_wait_for_pvc(pvc_size=pvc_size_gb)
# Create DC with POD and attached PVC to it
dc_name = oc_create_app_dc_with_io(self.node, pvc_name)
self.addCleanup(oc_delete, self.node, 'dc', dc_name)
self.addCleanup(scale_dc_pod_amount_and_wait, self.node, dc_name, 0)
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
if exceed_free_space:
# Try to expand existing PVC exceeding free space
resize_pvc(self.node, pvc_name, available_size_gb)
wait_for_events(self.node,
obj_name=pvc_name,
event_reason='VolumeResizeFailed')
# Check that app POD is up and runnig then try to write data
wait_for_pod_be_ready(self.node, pod_name)
cmd = ("dd if=/dev/urandom of=%s/autotest bs=100K count=1" %
dir_path)
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(
ret, 0,
"Failed to write data after failed attempt to expand PVC.")
else:
# Expand existing PVC using all the available free space
expand_size_gb = available_size_gb - pvc_size_gb
resize_pvc(self.node, pvc_name, expand_size_gb)
verify_pvc_size(self.node, pvc_name, expand_size_gb)
pv_name = get_pv_name_from_pvc(self.node, pvc_name)
verify_pv_size(self.node, pv_name, expand_size_gb)
wait_for_events(self.node,
obj_name=pvc_name,
event_reason='VolumeResizeSuccessful')
# Recreate app POD
oc_delete(self.node, 'pod', pod_name)
wait_for_resource_absence(self.node, 'pod', pod_name)
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
# Write data on the expanded PVC
cmd = ("dd if=/dev/urandom of=%s/autotest "
"bs=1M count=1025" % dir_path)
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(ret, 0,
"Failed to write data on the expanded PVC")
def test_volume_expansion_no_free_space(self):
"""Validate volume expansion when there is no free space"""
vol_size, expand_size, additional_devices_attached = None, 10, {}
h_node, h_server_url = self.heketi_client_node, self.heketi_server_url
# Get nodes info
heketi_node_id_list = heketi_ops.heketi_node_list(h_node, h_server_url)
if len(heketi_node_id_list) < 3:
self.skipTest("3 Heketi nodes are required.")
# Disable 4th and other nodes
for node_id in heketi_node_id_list[3:]:
heketi_ops.heketi_node_disable(h_node, h_server_url, node_id)
self.addCleanup(
heketi_ops.heketi_node_enable, h_node, h_server_url, node_id)
# Prepare first 3 nodes
smallest_size = None
err_msg = ''
for node_id in heketi_node_id_list[0:3]:
node_info = heketi_ops.heketi_node_info(
h_node, h_server_url, node_id, json=True)
# Disable second and other devices
devices = node_info["devices"]
self.assertTrue(
devices, "Node '%s' does not have devices." % node_id)
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Test expects first device to be enabled.")
if (smallest_size is None or
devices[0]["storage"]["free"] < smallest_size):
smallest_size = devices[0]["storage"]["free"]
for device in node_info["devices"][1:]:
heketi_ops.heketi_device_disable(
h_node, h_server_url, device["id"])
self.addCleanup(
heketi_ops.heketi_device_enable,
h_node, h_server_url, device["id"])
# Gather info about additional devices
additional_device_name = None
for gluster_server in self.gluster_servers:
gluster_server_data = self.gluster_servers_info[gluster_server]
g_manage = gluster_server_data["manage"]
g_storage = gluster_server_data["storage"]
if not (g_manage in node_info["hostnames"]["manage"] or
g_storage in node_info["hostnames"]["storage"]):
continue
additional_device_name = ((
gluster_server_data.get("additional_devices") or [''])[0])
break
if not additional_device_name:
err_msg += ("No 'additional_devices' are configured for "
"'%s' node, which has following hostnames and "
"IP addresses: %s.\n" % (
node_id,
', '.join(node_info["hostnames"]["manage"] +
node_info["hostnames"]["storage"])))
continue
heketi_ops.heketi_device_add(
h_node, h_server_url, additional_device_name, node_id)
additional_devices_attached.update(
{node_id: additional_device_name})
# Schedule cleanup of the added devices
for node_id in additional_devices_attached.keys():
node_info = heketi_ops.heketi_node_info(
h_node, h_server_url, node_id, json=True)
for device in node_info["devices"]:
if device["name"] != additional_devices_attached[node_id]:
continue
self.addCleanup(self.detach_devices_attached, device["id"])
break
else:
self.fail("Could not find ID for added device on "
"'%s' node." % node_id)
if err_msg:
self.skipTest(err_msg)
# Temporary disable new devices
self.disable_devices(additional_devices_attached)
# Create volume and save info about it
vol_size = int(smallest_size / (1024**2)) - 1
creation_info = heketi_ops.heketi_volume_create(
h_node, h_server_url, vol_size, json=True)
volume_name, volume_id = creation_info["name"], creation_info["id"]
self.addCleanup(
heketi_ops.heketi_volume_delete,
h_node, h_server_url, volume_id, raise_on_error=False)
volume_info_before_expansion = heketi_ops.heketi_volume_info(
h_node, h_server_url, volume_id, json=True)
num_of_bricks_before_expansion = self.get_num_of_bricks(volume_name)
self.get_brick_and_volume_status(volume_name)
free_space_before_expansion = self.get_devices_summary_free_space()
# Try to expand volume with not enough device space
self.assertRaises(
ExecutionError, heketi_ops.heketi_volume_expand,
h_node, h_server_url, volume_id, expand_size)
# Enable new devices to be able to expand our volume
self.enable_devices(additional_devices_attached)
# Expand volume and validate results
heketi_ops.heketi_volume_expand(
h_node, h_server_url, volume_id, expand_size, json=True)
free_space_after_expansion = self.get_devices_summary_free_space()
self.assertGreater(
free_space_before_expansion, free_space_after_expansion,
"Free space not consumed after expansion of %s" % volume_id)
num_of_bricks_after_expansion = self.get_num_of_bricks(volume_name)
self.get_brick_and_volume_status(volume_name)
volume_info_after_expansion = heketi_ops.heketi_volume_info(
h_node, h_server_url, volume_id, json=True)
self.assertGreater(
volume_info_after_expansion["size"],
volume_info_before_expansion["size"],
"Size of %s not increased" % volume_id)
self.assertGreater(
num_of_bricks_after_expansion, num_of_bricks_before_expansion)
self.assertEqual(
num_of_bricks_after_expansion % num_of_bricks_before_expansion, 0)
# Delete volume and validate release of the used space
heketi_ops.heketi_volume_delete(h_node, h_server_url, volume_id)
free_space_after_deletion = self.get_devices_summary_free_space()
self.assertGreater(
free_space_after_deletion, free_space_after_expansion,
"Free space not reclaimed after deletion of volume %s" % volume_id)
def test_volume_creation_no_free_devices(self):
"""Validate heketi error is returned when no free devices available"""
node, server_url = self.heketi_client_node, self.heketi_server_url
# Get nodes info
node_id_list = heketi_ops.heketi_node_list(node, server_url)
node_info_list = []
for node_id in node_id_list[0:3]:
node_info = heketi_ops.heketi_node_info(node,
server_url,
node_id,
json=True)
node_info_list.append(node_info)
# Disable 4th and other nodes
for node_id in node_id_list[3:]:
heketi_ops.heketi_node_disable(node, server_url, node_id)
self.addCleanup(heketi_ops.heketi_node_enable, node, server_url,
node_id)
# Disable second and other devices on the first 3 nodes
for node_info in node_info_list[0:3]:
devices = node_info["devices"]
self.assertTrue(
devices, "Node '%s' does not have devices." % node_info["id"])
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Test expects first device to be enabled.")
if len(devices) < 2:
continue
for device in node_info["devices"][1:]:
out = heketi_ops.heketi_device_disable(node, server_url,
device["id"])
self.assertTrue(
out, "Failed to disable the device %s" % device["id"])
self.addCleanup(heketi_ops.heketi_device_enable, node,
server_url, device["id"])
# Calculate common available space
available_spaces = [
int(node_info["devices"][0]["storage"]["free"])
for n in node_info_list[0:3]
]
min_space_gb = int(min(available_spaces) / 1024**2)
self.assertGreater(min_space_gb, 3, "Not enough available free space.")
# Create first small volume
vol = heketi_ops.heketi_volume_create(node, server_url, 1, json=True)
self.addCleanup(heketi_ops.heketi_volume_delete,
self.heketi_client_node, self.heketi_server_url,
vol["id"])
# Try to create second volume getting "no free space" error
try:
vol_fail = heketi_ops.heketi_volume_create(node,
server_url,
min_space_gb,
json=True)
except AssertionError:
g.log.info("Volume was not created as expected.")
else:
self.addCleanup(heketi_ops.heketi_volume_delete,
self.heketi_client_node, self.heketi_server_url,
vol_fail["bricks"][0]["volume"])
self.assertFalse(
vol_fail,
"Volume should have not been created. Out: %s" % vol_fail)
def test_volume_creation_of_size_greater_than_the_device_size(self):
"""Validate creation of a volume of size greater than the size of a
device.
"""
h_node, h_url = self.heketi_client_node, self.heketi_server_url
# Remove existing BHV to calculate freespace
bhv_list = heketi_ops.get_block_hosting_volume_list(h_node, h_url)
if bhv_list:
for bhv in bhv_list:
bhv_info = heketi_ops.heketi_volume_info(h_node,
h_url,
bhv,
json=True)
if bhv_info['blockinfo'].get('blockvolume') is None:
heketi_ops.heketi_volume_delete(h_node, h_url, bhv)
topology = heketi_ops.heketi_topology_info(h_node, h_url, json=True)
nodes_free_space, nodes_ips = [], []
selected_nodes, selected_devices = [], []
cluster = topology['clusters'][0]
node_count = len(cluster['nodes'])
msg = ("At least 3 Nodes are required in cluster. "
"But only %s Nodes are present." % node_count)
if node_count < 3:
self.skipTest(msg)
online_nodes_count = 0
for node in cluster['nodes']:
nodes_ips.append(node['hostnames']['storage'][0])
if node['state'] != 'online':
continue
online_nodes_count += 1
# Disable nodes after 3rd online nodes
if online_nodes_count > 3:
heketi_ops.heketi_node_disable(h_node, h_url, node['id'])
self.addCleanup(heketi_ops.heketi_node_enable, h_node, h_url,
node['id'])
continue
selected_nodes.append(node['id'])
device_count = len(node['devices'])
msg = ("At least 2 Devices are required on each Node."
"But only %s Devices are present." % device_count)
if device_count < 2:
self.skipTest(msg)
sel_devices, online_devices_count, free_space = [], 0, 0
for device in node['devices']:
if device['state'] != 'online':
continue
online_devices_count += 1
# Disable devices after 2nd online devices
if online_devices_count > 2:
heketi_ops.heketi_device_disable(h_node, h_url,
device['id'])
self.addCleanup(heketi_ops.heketi_device_enable, h_node,
h_url, device['id'])
continue
sel_devices.append(device['id'])
free_space += int(device['storage']['free'] / (1024**2))
selected_devices.append(sel_devices)
nodes_free_space.append(free_space)
msg = ("At least 2 online Devices are required on each Node. "
"But only %s Devices are online on Node: %s." %
(online_devices_count, node['id']))
if online_devices_count < 2:
self.skipTest(msg)
msg = ("At least 3 online Nodes are required in cluster. "
"But only %s Nodes are online in Cluster: %s." %
(online_nodes_count, cluster['id']))
if online_nodes_count < 3:
self.skipTest(msg)
# Select node with minimum free space
min_free_size = min(nodes_free_space)
index = nodes_free_space.index(min_free_size)
# Get max device size from selected node
device_size = 0
for device in selected_devices[index]:
device_info = heketi_ops.heketi_device_info(h_node,
h_url,
device,
json=True)
device_size = max(device_size,
(int(device_info['storage']['total'] /
(1024**2))))
vol_size = device_size + 1
if vol_size >= min_free_size:
self.skipTest('Required free space %s is not available' % vol_size)
# Create heketi volume with device size + 1
vol_info = self.create_heketi_volume_with_name_and_wait(
name="volume_size_greater_than_device_size",
size=vol_size,
json=True)
# Get gluster server IP's from heketi volume info
glusterfs_servers = heketi_ops.get_vol_file_servers_and_hosts(
h_node, h_url, vol_info['id'])
# Verify gluster server IP's in heketi volume info
msg = ("gluster IP's '%s' does not match with IP's '%s' found in "
"heketi volume info" %
(nodes_ips, glusterfs_servers['vol_servers']))
self.assertEqual(set(glusterfs_servers['vol_servers']), set(nodes_ips),
msg)
vol_name = vol_info['name']
gluster_v_info = self.get_gluster_vol_info(vol_name)
# Verify replica count in gluster v info
msg = "Volume %s is replica %s instead of replica 3" % (
vol_name, gluster_v_info['replicaCount'])
self.assertEqual('3', gluster_v_info['replicaCount'])
# Verify distCount in gluster v info
msg = "Volume %s distCount is %s instead of distCount as 3" % (
vol_name, int(gluster_v_info['distCount']))
self.assertEqual(
int(gluster_v_info['brickCount']) // 3,
int(gluster_v_info['distCount']), msg)
# Verify bricks count in gluster v info
msg = (
"Volume %s does not have bricks count multiple of 3. It has %s" %
(vol_name, gluster_v_info['brickCount']))
self.assertFalse(int(gluster_v_info['brickCount']) % 3, msg)
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))
def test_create_arbiter_vol_with_more_than_one_brick_set(self):
"""Validate volume creation using heketi for more than six brick set"""
# Set arbiter:disabled tag to the data devices and get their info
data_nodes = []
for node_id in self.node_id_list[0:2]:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
if len(node_info['devices']) < 2:
self.skipTest("Nodes are expected to have at least 2 devices")
if not all([
int(d['storage']['free']) > (3 * 1024**2)
for d in node_info['devices'][0:2]
]):
self.skipTest(
"Devices are expected to have more than 3Gb of free space")
for device in node_info['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'device',
device['id'], 'disabled',
device.get('tags', {}).get('arbiter'))
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled',
node_info.get('tags', {}).get('arbiter'))
data_nodes.append(node_info)
# Set arbiter:required tag to all other nodes and their devices
for node_id in self.node_id_list[2:]:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'required',
node_info.get('tags', {}).get('arbiter'))
for device in node_info['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'device',
device['id'], 'required',
device.get('tags', {}).get('arbiter'))
# Get second big volume between 2 data nodes and use it
# for target vol calculation.
for i, node_info in enumerate(data_nodes):
biggest_disk_free_space = 0
for device in node_info['devices'][0:2]:
free = int(device['storage']['free'])
if free > biggest_disk_free_space:
biggest_disk_free_space = free
data_nodes[i]['biggest_free_space'] = biggest_disk_free_space
target_vol_size_kb = 1 + min(
[n['biggest_free_space'] for n in data_nodes])
# Check that all the data devices have, at least, half of required size
all_big_enough = True
for node_info in data_nodes:
for device in node_info['devices'][0:2]:
if float(device['storage']['free']) < (target_vol_size_kb / 2):
all_big_enough = False
break
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create helper arbiter vol if not all the data devices have
# half of required free space.
if not all_big_enough:
helper_vol_size_kb, target_vol_size_kb = 0, 0
smaller_device_id = None
for node_info in data_nodes:
devices = node_info['devices']
if ((devices[0]['storage']['free']) >
(devices[1]['storage']['free'])):
smaller_device_id = devices[1]['id']
smaller_device = devices[1]['storage']['free']
bigger_device = devices[0]['storage']['free']
else:
smaller_device_id = devices[0]['id']
smaller_device = devices[0]['storage']['free']
bigger_device = devices[1]['storage']['free']
diff = bigger_device - (2 * smaller_device) + 1
if diff > helper_vol_size_kb:
helper_vol_size_kb = diff
target_vol_size_kb = bigger_device - diff
# Disable smaller device and create helper vol on bigger one
# to reduce its size, then enable smaller device back.
try:
out = heketi_ops.heketi_device_disable(self.heketi_client_node,
self.heketi_server_url,
smaller_device_id)
self.assertTrue(out)
self.create_and_wait_for_pvc(
int(helper_vol_size_kb / 1024.0**2) + 1)
finally:
out = heketi_ops.heketi_device_enable(self.heketi_client_node,
self.heketi_server_url,
smaller_device_id)
self.assertTrue(out)
# Create target arbiter volume
self.create_and_wait_for_pvc(int(target_vol_size_kb / 1024.0**2))
# Get gluster volume info
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info, arbiter_bricks=2, data_bricks=4)
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 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_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_volume_expansion_no_free_space(self):
"""Validate volume expansion when there is no free space"""
vol_size, expand_size, additional_devices_attached = None, 10, {}
h_node, h_server_url = self.heketi_client_node, self.heketi_server_url
# Get nodes info
heketi_node_id_list = heketi_ops.heketi_node_list(h_node, h_server_url)
if len(heketi_node_id_list) < 3:
self.skipTest("3 Heketi nodes are required.")
# Disable 4th and other nodes
for node_id in heketi_node_id_list[3:]:
heketi_ops.heketi_node_disable(h_node, h_server_url, node_id)
self.addCleanup(
heketi_ops.heketi_node_enable, h_node, h_server_url, node_id)
# Prepare first 3 nodes
smallest_size = None
err_msg = ''
for node_id in heketi_node_id_list[0:3]:
node_info = heketi_ops.heketi_node_info(
h_node, h_server_url, node_id, json=True)
# Disable second and other devices
devices = node_info["devices"]
self.assertTrue(
devices, "Node '%s' does not have devices." % node_id)
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Test expects first device to be enabled.")
if (smallest_size is None
or devices[0]["storage"]["free"] < smallest_size):
smallest_size = devices[0]["storage"]["free"]
for device in node_info["devices"][1:]:
heketi_ops.heketi_device_disable(
h_node, h_server_url, device["id"])
self.addCleanup(
heketi_ops.heketi_device_enable,
h_node, h_server_url, device["id"])
# Gather info about additional devices
additional_device_name = None
for gluster_server in self.gluster_servers:
gluster_server_data = self.gluster_servers_info[gluster_server]
g_manage = gluster_server_data["manage"]
g_storage = gluster_server_data["storage"]
if not (g_manage in node_info["hostnames"]["manage"]
or g_storage in node_info["hostnames"]["storage"]):
continue
additional_device_name = ((
gluster_server_data.get("additional_devices") or [''])[0])
break
if not additional_device_name:
err_msg += ("No 'additional_devices' are configured for "
"'%s' node, which has following hostnames and "
"IP addresses: %s.\n" % (
node_id,
', '.join(
node_info["hostnames"]["manage"]
+ node_info["hostnames"]["storage"])))
continue
heketi_ops.heketi_device_add(
h_node, h_server_url, additional_device_name, node_id)
additional_devices_attached.update(
{node_id: additional_device_name})
# Schedule cleanup of the added devices
for node_id in additional_devices_attached.keys():
node_info = heketi_ops.heketi_node_info(
h_node, h_server_url, node_id, json=True)
for device in node_info["devices"]:
if device["name"] != additional_devices_attached[node_id]:
continue
self.addCleanup(self.detach_devices_attached, device["id"])
break
else:
self.fail("Could not find ID for added device on "
"'%s' node." % node_id)
if err_msg:
self.skipTest(err_msg)
# Temporary disable new devices
self.disable_devices(additional_devices_attached)
# Create volume and save info about it
vol_size = int(smallest_size / (1024**2)) - 1
creation_info = heketi_ops.heketi_volume_create(
h_node, h_server_url, vol_size, json=True)
volume_name, volume_id = creation_info["name"], creation_info["id"]
self.addCleanup(
heketi_ops.heketi_volume_delete,
h_node, h_server_url, volume_id, raise_on_error=False)
volume_info_before_expansion = heketi_ops.heketi_volume_info(
h_node, h_server_url, volume_id, json=True)
num_of_bricks_before_expansion = self.get_num_of_bricks(volume_name)
self.get_brick_and_volume_status(volume_name)
free_space_before_expansion = self.get_devices_summary_free_space()
# Try to expand volume with not enough device space
self.assertRaises(
AssertionError, heketi_ops.heketi_volume_expand,
h_node, h_server_url, volume_id, expand_size)
# Enable new devices to be able to expand our volume
self.enable_devices(additional_devices_attached)
# Expand volume and validate results
heketi_ops.heketi_volume_expand(
h_node, h_server_url, volume_id, expand_size, json=True)
free_space_after_expansion = self.get_devices_summary_free_space()
self.assertGreater(
free_space_before_expansion, free_space_after_expansion,
"Free space not consumed after expansion of %s" % volume_id)
num_of_bricks_after_expansion = self.get_num_of_bricks(volume_name)
self.get_brick_and_volume_status(volume_name)
volume_info_after_expansion = heketi_ops.heketi_volume_info(
h_node, h_server_url, volume_id, json=True)
self.assertGreater(
volume_info_after_expansion["size"],
volume_info_before_expansion["size"],
"Size of %s not increased" % volume_id)
self.assertGreater(
num_of_bricks_after_expansion, num_of_bricks_before_expansion)
self.assertEqual(
num_of_bricks_after_expansion % num_of_bricks_before_expansion, 0)
# Delete volume and validate release of the used space
heketi_ops.heketi_volume_delete(h_node, h_server_url, volume_id)
free_space_after_deletion = self.get_devices_summary_free_space()
self.assertGreater(
free_space_after_deletion, free_space_after_expansion,
"Free space not reclaimed after deletion of volume %s" % volume_id)
def _pv_resize(self, exceed_free_space):
dir_path = "/mnt"
pvc_size_gb, min_free_space_gb = 1, 3
# Get available free space disabling redundant devices and nodes
heketi_url = self.heketi_server_url
node_id_list = heketi_ops.heketi_node_list(
self.heketi_client_node, heketi_url)
self.assertTrue(node_id_list)
nodes = {}
min_free_space = min_free_space_gb * 1024**2
for node_id in node_id_list:
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, heketi_url, node_id, json=True)
if (node_info['state'].lower() != 'online' or
not node_info['devices']):
continue
if len(nodes) > 2:
out = heketi_ops.heketi_node_disable(
self.heketi_client_node, heketi_url, node_id)
self.assertTrue(out)
self.addCleanup(
heketi_ops.heketi_node_enable,
self.heketi_client_node, heketi_url, node_id)
for device in node_info['devices']:
if device['state'].lower() != 'online':
continue
free_space = device['storage']['free']
if (node_id in nodes.keys() or free_space < min_free_space):
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, heketi_url, device['id'])
self.assertTrue(out)
self.addCleanup(
heketi_ops.heketi_device_enable,
self.heketi_client_node, heketi_url, device['id'])
continue
nodes[node_id] = free_space
if len(nodes) < 3:
raise self.skipTest(
"Could not find 3 online nodes with, "
"at least, 1 online device having free space "
"bigger than %dGb." % min_free_space_gb)
# Calculate maximum available size for PVC
available_size_gb = int(min(nodes.values()) / (1024**2))
# Create PVC
self.create_storage_class(allow_volume_expansion=True)
pvc_name = self.create_and_wait_for_pvc(pvc_size=pvc_size_gb)
# Create DC with POD and attached PVC to it
dc_name = oc_create_app_dc_with_io(self.node, pvc_name)
self.addCleanup(oc_delete, self.node, 'dc', dc_name)
self.addCleanup(scale_dc_pod_amount_and_wait, self.node, dc_name, 0)
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
if exceed_free_space:
# Try to expand existing PVC exceeding free space
resize_pvc(self.node, pvc_name, available_size_gb)
wait_for_events(self.node, obj_name=pvc_name,
event_reason='VolumeResizeFailed')
# Check that app POD is up and runnig then try to write data
wait_for_pod_be_ready(self.node, pod_name)
cmd = (
"dd if=/dev/urandom of=%s/autotest bs=100K count=1" % dir_path)
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(
ret, 0,
"Failed to write data after failed attempt to expand PVC.")
else:
# Expand existing PVC using all the available free space
expand_size_gb = available_size_gb - pvc_size_gb
resize_pvc(self.node, pvc_name, expand_size_gb)
verify_pvc_size(self.node, pvc_name, expand_size_gb)
pv_name = get_pv_name_from_pvc(self.node, pvc_name)
verify_pv_size(self.node, pv_name, expand_size_gb)
wait_for_events(
self.node, obj_name=pvc_name,
event_reason='VolumeResizeSuccessful')
# Recreate app POD
oc_delete(self.node, 'pod', pod_name)
wait_for_resource_absence(self.node, 'pod', pod_name)
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
# Write data on the expanded PVC
cmd = ("dd if=/dev/urandom of=%s/autotest "
"bs=1M count=1025" % dir_path)
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(
ret, 0, "Failed to write data on the expanded PVC")
def test_heketi_device_enable_disable(self):
"""Validate device enable and disable functionality"""
# Disable all but one device on the first online node
online_hosts = self.get_online_nodes_disable_redundant()
online_device_id = ""
for device in online_hosts[0]["devices"]:
if device["state"].strip().lower() != "online":
continue
device_id = device["id"]
if online_device_id == "":
online_device_id = device_id
else:
g.log.info("going to disable device %s", device_id)
heketi_device_disable(self.heketi_client_node,
self.heketi_server_url, device_id)
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, device_id)
if online_device_id == "":
self.skipTest("No device online on node %s" %
online_hosts[0]["id"])
# Create volume when only 1 device is online
vol_size = 1
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
vol_size,
json=True)
self.assertTrue(
vol_info, ("Failed to create heketi volume of size %d" % vol_size))
self.addCleanup(heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# Check that one of volume's bricks is present on the device
present = self.check_any_of_bricks_present_in_device(
vol_info['bricks'], online_device_id)
self.assertTrue(
present,
"None of '%s' volume bricks is present on the '%s' device." %
(vol_info['id'], online_device_id))
g.log.info("Going to disable device id %s", online_device_id)
heketi_device_disable(self.heketi_client_node, self.heketi_server_url,
online_device_id)
self.addCleanup(heketi_device_enable, self.heketi_client_node,
self.heketi_server_url, online_device_id)
with self.assertRaises(AssertionError):
out = 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, out["id"])
self.assertFalse(True, "Volume creation didn't fail: %s" % out)
g.log.info("Volume creation failed as expected")
# Enable back the device which was previously disabled
g.log.info("Going to enable device id %s", online_device_id)
heketi_device_enable(self.heketi_client_node, self.heketi_server_url,
online_device_id)
# Create volume when device is enabled
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'])
# Check that one of volume's bricks is present on the device
present = self.check_any_of_bricks_present_in_device(
vol_info['bricks'], online_device_id)
self.assertTrue(
present,
"None of '%s' volume bricks is present on the '%s' device." %
(vol_info['id'], online_device_id))
def test_create_volumes_enabling_and_disabling_heketi_devices(self):
"""Validate enable/disable of heketi device"""
# Get nodes info
node_id_list = heketi_ops.heketi_node_list(
self.heketi_client_node, self.heketi_server_url)
node_info_list = []
for node_id in node_id_list[0:3]:
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
node_info_list.append(node_info)
# Disable 4th and other nodes
if len(node_id_list) > 3:
for node in node_id_list[3:]:
heketi_ops.heketi_node_disable(
self.heketi_client_node, self.heketi_server_url, node_id)
self.addCleanup(
heketi_ops.heketi_node_enable, self.heketi_client_node,
self.heketi_server_url, node_id)
# Disable second and other devices on the first 3 nodes
for node_info in node_info_list[0:3]:
devices = node_info["devices"]
self.assertTrue(
devices, "Node '%s' does not have devices." % node_info["id"])
if devices[0]["state"].strip().lower() != "online":
self.skipTest("Test expects first device to be enabled.")
if len(devices) < 2:
continue
for device in node_info["devices"][1:]:
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, self.heketi_server_url,
device["id"])
self.assertTrue(
out, "Failed to disable the device %s" % device["id"])
self.addCleanup(
heketi_ops.heketi_device_enable,
self.heketi_client_node, self.heketi_server_url,
device["id"])
# Create heketi volume
out = heketi_ops.heketi_volume_create(
self.heketi_client_node, self.heketi_server_url, 1, json=True)
self.assertTrue(out, "Failed to create heketi volume of size 1")
g.log.info("Successfully created heketi volume of size 1")
device_id = out["bricks"][0]["device"]
self.addCleanup(
heketi_ops.heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, out["bricks"][0]["volume"])
# Disable device
g.log.info("Disabling '%s' device" % device_id)
out = heketi_ops.heketi_device_disable(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertTrue(out, "Failed to disable the device %s" % device_id)
g.log.info("Successfully disabled device %s" % device_id)
try:
# Get device info
g.log.info("Retrieving '%s' device info" % device_id)
out = heketi_ops.heketi_device_info(
self.heketi_client_node, self.heketi_server_url,
device_id, json=True)
self.assertTrue(out, "Failed to get device info %s" % device_id)
g.log.info("Successfully retrieved device info %s" % device_id)
name = out["name"]
if out["state"].lower().strip() != "offline":
raise exceptions.ExecutionError(
"Device %s is not in offline state." % name)
g.log.info("Device %s is now offine" % name)
# Try to create heketi volume
g.log.info("Creating heketi volume: Expected to fail.")
try:
out = heketi_ops.heketi_volume_create(
self.heketi_client_node, self.heketi_server_url, 1,
json=True)
except exceptions.ExecutionError:
g.log.info("Volume was not created as expected.")
else:
self.addCleanup(
heketi_ops.heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, out["bricks"][0]["volume"])
msg = "Volume unexpectedly created. Out: %s" % out
assert False, msg
finally:
# Enable the device back
g.log.info("Enable '%s' device back." % device_id)
out = heketi_ops.heketi_device_enable(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertTrue(out, "Failed to enable the device %s" % device_id)
g.log.info("Successfully enabled device %s" % device_id)
# Get device info
out = heketi_ops.heketi_device_info(
self.heketi_client_node, self.heketi_server_url, device_id,
json=True)
self.assertTrue(out, ("Failed to get device info %s" % device_id))
g.log.info("Successfully retrieved device info %s" % device_id)
name = out["name"]
if out["state"] != "online":
raise exceptions.ExecutionError(
"Device %s is not in online state." % name)
# Create heketi volume of size
out = heketi_ops.heketi_volume_create(
self.heketi_client_node, self.heketi_server_url, 1, json=True)
self.assertTrue(out, "Failed to create volume of size 1")
self.addCleanup(
heketi_ops.heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, out["bricks"][0]["volume"])
g.log.info("Successfully created volume of size 1")
name = out["name"]
# Get gluster volume info
vol_info = get_volume_info('auto_get_gluster_endpoint', volname=name)
self.assertTrue(vol_info, "Failed to get '%s' volume info." % name)
g.log.info("Successfully got the '%s' volume info." % name)
