def test_heketi_block_volume_create_with_size_more_than_bhv_free_space(
self):
""" Test to create heketi block volume of size greater than
free space in BHV so that it will create a new BHV.
"""
h_node, h_url = self.heketi_client_node, self.heketi_server_url
default_bhv_size = get_default_block_hosting_volume_size(
self.node, self.heketi_dc_name)
reserve_size = math.ceil(default_bhv_size * 0.02)
bhv_list, pvc_size = [], (default_bhv_size - reserve_size)
# Get existing BHV list
bhv_list = list(get_block_hosting_volume_list(h_node, h_url).keys())
for vol in bhv_list:
info = heketi_volume_info(h_node, h_url, vol, json=True)
if info['blockinfo']['freesize'] >= pvc_size:
self.skipTest(
"Skip test case since there is atleast one BHV with free"
" space {} greater than the default value {}".format(
info['blockinfo']['freesize'], pvc_size))
# To verify if there is enough free space for two BHVs
self.verify_free_space(2 * (default_bhv_size + 1))
sc_name = self.create_storage_class()
self._dynamic_provisioning_block_with_bhv_cleanup(
sc_name, pvc_size, bhv_list)
self._dynamic_provisioning_block_with_bhv_cleanup(
sc_name, pvc_size, bhv_list)
bhv_post = len(get_block_hosting_volume_list(h_node, h_url))
err_msg = ("New BHVs were not created to satisfy the block PV requests"
" No. of BHV before the test : {} \n"
" No. of BHV after the test : {}".format(
len(bhv_list), bhv_post))
self.assertEqual(bhv_post, (len(bhv_list) + 2), err_msg)
def validate_block_volumes_count(self, h_node, h_server, node_ip):
# get list of block volumes using heketi
h_blockvol_list = heketi_blockvolume_list(
h_node, h_server, json=True)
# Get existing BHV list
bhv_list = list(
get_block_hosting_volume_list(h_node, h_server).keys())
for vol in bhv_list:
bhv_info = heketi_volume_info(h_node, h_server, vol, json=True)
bhv_name = bhv_info['name']
gluster_block_list = get_block_list(node_ip, volname=bhv_name)
self.assertIsNotNone(
gluster_block_list, "Failed to get gluster block list")
self.assertEqual(
len(h_blockvol_list['blockvolumes']), len(gluster_block_list),
"Failed to verify blockvolume count Expected:'{}', "
"Actual:'{}'".format(
len(h_blockvol_list['blockvolumes']), len(gluster_block_list)))
def test_heketi_manual_cleanup_operation_in_bhv(self):
"""Validate heketi db cleanup will resolve the mismatch
in the free size of the block hosting volume with failed
block device create operations.
"""
bhv_size_before, bhv_size_after, vol_count = [], [], 5
ocp_node, g_node = self.ocp_master_node[0], self.gluster_servers[0]
h_node, h_url = self.heketi_client_node, self.heketi_server_url
# Get existing heketi volume list
existing_volumes = heketi_volume_list(h_node, h_url, json=True)
# Add function to clean stale volumes created during test
self.addCleanup(self._cleanup_heketi_volumes,
existing_volumes.get("volumes"))
# Get nodes id list
node_id_list = heketi_node_list(h_node, h_url)
# Disable 4th and other nodes
for node_id in node_id_list[3:]:
heketi_node_disable(h_node, h_url, node_id)
self.addCleanup(heketi_node_enable, h_node, h_url, node_id)
# Calculate heketi volume size
free_space, nodenum = get_total_free_space(h_node, h_url)
free_space_available = int(free_space / nodenum)
if free_space_available > vol_count:
h_volume_size = int(free_space_available / vol_count)
if h_volume_size > 50:
h_volume_size = 50
else:
h_volume_size, vol_count = 1, free_space_available
# Create BHV in case blockvolume size is greater than default BHV size
default_bhv_size = get_default_block_hosting_volume_size(
h_node, self.heketi_dc_name)
if default_bhv_size < h_volume_size:
h_volume_name = "autotest-{}".format(utils.get_random_str())
bhv_info = self.create_heketi_volume_with_name_and_wait(
h_volume_name,
free_space_available,
raise_on_cleanup_error=False,
block=True,
json=True)
free_space_available -= (
int(bhv_info.get("blockinfo").get("reservedsize")) + 1)
h_volume_size = int(free_space_available / vol_count)
# Get BHV list
h_bhv_list = get_block_hosting_volume_list(h_node, h_url).keys()
self.assertTrue(h_bhv_list, "Failed to get the BHV list")
# Get BHV size
for bhv in h_bhv_list:
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bhv_vol_size_before = vol_info.get("freesize")
bhv_size_before.append(bhv_vol_size_before)
# Kill Tcmu-runner service
services = ("tcmu-runner", "gluster-block-target", "gluster-blockd")
kill_service_on_gluster_pod_or_node(ocp_node, "tcmu-runner", g_node)
# Restart the services
for service in services:
state = ('exited'
if service == 'gluster-block-target' else 'running')
self.addCleanup(wait_for_service_status_on_gluster_pod_or_node,
ocp_node, service, 'active', state, g_node)
self.addCleanup(restart_service_on_gluster_pod_or_node, ocp_node,
service, g_node)
def run_async(cmd, hostname, raise_on_error=True):
return g.run_async(host=hostname, command=cmd)
# Create stale block volumes in async
for count in range(vol_count):
with mock.patch.object(json, 'loads', side_effect=(lambda j: j)):
with mock.patch.object(command,
'cmd_run',
side_effect=run_async):
heketi_blockvolume_create(h_node,
h_url,
h_volume_size,
json=True)
# Wait for pending operation to get generated
self._check_for_pending_operations(h_node, h_url)
# Restart the services
for service in services:
state = ('exited'
if service == 'gluster-block-target' else 'running')
restart_service_on_gluster_pod_or_node(ocp_node, service, g_node)
wait_for_service_status_on_gluster_pod_or_node(
ocp_node, service, 'active', state, g_node)
# Cleanup pending operation
heketi_server_operation_cleanup(h_node, h_url)
# wait for pending operation to get cleaned up
for w in waiter.Waiter(timeout=120, interval=10):
# Get BHV size
for bhv in h_bhv_list:
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bhv_vol_size_after = vol_info.get("freesize")
bhv_size_after.append(bhv_vol_size_after)
if (set(bhv_size_before) == set(bhv_size_after)):
break
if w.expired:
raise exceptions.ExecutionError(
"Failed to Validate volume size Actual:{},"
" Expected:{}".format(set(bhv_size_before),
set(bhv_size_after)))
def test_expansion_of_block_hosting_volume_using_heketi(self):
"""Verify that after expanding block hosting volume we are able to
consume the expanded space"""
h_node = self.heketi_client_node
h_url = self.heketi_server_url
bvols_in_bhv = set([])
bvols_pv = set([])
BHVS = get_block_hosting_volume_list(h_node, h_url)
free_BHVS_count = 0
for vol in BHVS.keys():
info = heketi_volume_info(h_node, h_url, vol, json=True)
if info['blockinfo']['freesize'] > 0:
free_BHVS_count += 1
if free_BHVS_count > 1:
self.skipTest("Skip test case because there is more than one"
" Block Hosting Volume with free space")
# create block volume of 1gb
bvol_info = heketi_blockvolume_create(h_node, h_url, 1, json=True)
expand_size = 20
try:
self.verify_free_space(expand_size)
bhv = bvol_info['blockhostingvolume']
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bvols_in_bhv.update(vol_info['blockinfo']['blockvolume'])
finally:
# cleanup BHV if there is only one block volume inside it
if len(bvols_in_bhv) == 1:
self.addCleanup(heketi_volume_delete,
h_node,
h_url,
bhv,
json=True)
self.addCleanup(heketi_blockvolume_delete, h_node, h_url,
bvol_info['id'])
size = vol_info['size']
free_size = vol_info['blockinfo']['freesize']
bvol_count = int(free_size / expand_size)
bricks = vol_info['bricks']
# create pvs to fill the BHV
pvcs = self.create_and_wait_for_pvcs(
pvc_size=(expand_size if bvol_count else free_size),
pvc_amount=(bvol_count or 1),
timeout=300)
vol_expand = True
for i in range(2):
# get the vol ids from pvcs
for pvc in pvcs:
pv = get_pv_name_from_pvc(self.node, pvc)
custom = r':.metadata.annotations."gluster\.org\/volume-id"'
bvol_id = oc_get_custom_resource(self.node, 'pv', custom, pv)
bvols_pv.add(bvol_id[0])
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bvols = vol_info['blockinfo']['blockvolume']
bvols_in_bhv.update(bvols)
self.assertEqual(bvols_pv, (bvols_in_bhv & bvols_pv))
# Expand BHV and verify bricks and size of BHV
if vol_expand:
vol_expand = False
heketi_volume_expand(h_node,
h_url,
bhv,
expand_size,
json=True)
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
self.assertEqual(size + expand_size, vol_info['size'])
self.assertFalse(len(vol_info['bricks']) % 3)
self.assertLess(len(bricks), len(vol_info['bricks']))
# create more PVCs in expanded BHV
pvcs = self.create_and_wait_for_pvcs(pvc_size=(expand_size -
1),
pvc_amount=1)
def test_targetcli_when_block_hosting_volume_down(self):
"""Validate no inconsistencies occur in targetcli when block volumes
are created with one block hosting volume down."""
h_node, h_server = self.heketi_client_node, self.heketi_server_url
cmd = ("targetcli ls | egrep '%s' || echo unavailable")
error_msg = ("targetcli has inconsistencies when block devices are "
"created with one block hosting volume %s is down")
# Delete BHV which has no BV or fill it completely
bhv_list = get_block_hosting_volume_list(h_node, h_server).keys()
for bhv in bhv_list:
bhv_info = heketi_volume_info(h_node, h_server, bhv, json=True)
if not bhv_info["blockinfo"].get("blockvolume", []):
heketi_volume_delete(h_node, h_server, bhv)
continue
free_size = bhv_info["blockinfo"].get("freesize", 0)
if free_size:
bv = heketi_volume_create(h_node,
h_server,
free_size,
json=True)
self.addCleanup(heketi_volume_delete, h_node, h_server,
bv["id"])
# Create BV
bv = heketi_blockvolume_create(h_node, h_server, 2, json=True)
self.addCleanup(heketi_blockvolume_delete, h_node, h_server, bv["id"])
# Bring down BHV
bhv_name = get_block_hosting_volume_name(h_node, h_server, bv["id"])
ret, out, err = volume_stop("auto_get_gluster_endpoint", bhv_name)
if ret != 0:
err_msg = "Failed to stop gluster volume %s. error: %s" % (
bhv_name, err)
g.log.error(err_msg)
raise AssertionError(err_msg)
self.addCleanup(podcmd.GlustoPod()(volume_start),
"auto_get_gluster_endpoint", bhv_name)
ocp_node = self.ocp_master_node[0]
gluster_block_svc = "gluster-block-target"
self.addCleanup(wait_for_service_status_on_gluster_pod_or_node,
ocp_node,
gluster_block_svc,
"active",
"exited",
gluster_node=self.gluster_servers[0])
self.addCleanup(restart_service_on_gluster_pod_or_node, ocp_node,
gluster_block_svc, self.gluster_servers[0])
for condition in ("continue", "break"):
restart_service_on_gluster_pod_or_node(
ocp_node,
gluster_block_svc,
gluster_node=self.gluster_servers[0])
wait_for_service_status_on_gluster_pod_or_node(
ocp_node,
gluster_block_svc,
"active",
"exited",
gluster_node=self.gluster_servers[0])
targetcli = cmd_run_on_gluster_pod_or_node(ocp_node,
cmd % bv["id"],
self.gluster_servers[0])
if condition == "continue":
self.assertEqual(targetcli, "unavailable",
error_msg % bhv_name)
else:
self.assertNotEqual(targetcli, "unavailable",
error_msg % bhv_name)
break
# Bring up the same BHV
ret, out, err = volume_start("auto_get_gluster_endpoint", bhv_name)
if ret != 0:
err = "Failed to start gluster volume %s on %s. error: %s" % (
bhv_name, h_node, err)
raise exceptions.ExecutionError(err)
def test_create_max_num_blockhostingvolumes(self):
num_of_bv = 10
new_bhv_list, bv_list, g_nodes = [], [], []
free_space, nodenum = get_total_free_space(self.heketi_client_node,
self.heketi_server_url)
if nodenum < 3:
self.skipTest("Skip the test case since number of"
"online nodes is less than 3.")
free_space_available = int(free_space / nodenum)
default_bhv_size = get_default_block_hosting_volume_size(
self.heketi_client_node, self.heketi_dc_name)
# Get existing list of BHV's
existing_bhv_list = get_block_hosting_volume_list(
self.heketi_client_node, self.heketi_server_url)
# Skip the test if available space is less than default_bhv_size
if free_space_available < default_bhv_size:
self.skipTest("Skip the test case since free_space_available %s"
"is less than space_required_for_bhv %s ." %
(free_space_available, default_bhv_size))
# Create BHV's
while free_space_available > default_bhv_size:
block_host_create_info = heketi_volume_create(
self.heketi_client_node,
self.heketi_server_url,
default_bhv_size,
json=True,
block=True)
if block_host_create_info["id"] not in existing_bhv_list.keys():
new_bhv_list.append(block_host_create_info["id"])
self.addCleanup(heketi_volume_delete,
self.heketi_client_node,
self.heketi_server_url,
block_host_create_info["id"],
raise_on_error=False)
block_vol_size = int(
block_host_create_info["blockinfo"]["freesize"] / num_of_bv)
# Create specified number of BV's in BHV's created
for i in range(0, num_of_bv):
block_vol = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
block_vol_size,
json=True,
ha=3,
auth=True)
self.addCleanup(heketi_blockvolume_delete,
self.heketi_client_node,
self.heketi_server_url,
block_vol["id"],
raise_on_error=False)
bv_list.append(block_vol["id"])
free_space_available = int(free_space_available - default_bhv_size)
# Get gluster node ips
h_nodes_ids = heketi_node_list(self.heketi_client_node,
self.heketi_server_url)
for h_node in h_nodes_ids[:2]:
g_node = heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
h_node,
json=True)
g_nodes.append(g_node['hostnames']['manage'][0])
# Check if there is no crash in gluster related services & heketi
services = (("glusterd", "running"), ("gluster-blockd", "running"),
("tcmu-runner", "running"), ("gluster-block-target",
"exited"))
for g_node in g_nodes:
for service, state in services:
wait_for_service_status_on_gluster_pod_or_node(
self.ocp_client[0],
service,
'active',
state,
g_node,
raise_on_error=False)
out = hello_heketi(self.heketi_client_node, self.heketi_server_url)
self.assertTrue(
out, "Heketi server %s is not alive" % self.heketi_server_url)
# Delete all the BHV's and BV's created
for bv_volume in bv_list:
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url, bv_volume)
# Check if any blockvolume exist in heketi & gluster
for bhv_volume in new_bhv_list[:]:
heketi_vol_info = heketi_volume_info(self.heketi_client_node,
self.heketi_server_url,
bhv_volume,
json=True)
self.assertNotIn("blockvolume",
heketi_vol_info["blockinfo"].keys())
gluster_vol_info = get_block_list('auto_get_gluster_endpoint',
volname="vol_%s" % bhv_volume)
self.assertIsNotNone(gluster_vol_info,
"Failed to get volume info %s" % bhv_volume)
new_bhv_list.remove(bhv_volume)
for blockvol in gluster_vol_info:
self.assertNotIn("blockvol_", blockvol)
heketi_volume_delete(self.heketi_client_node,
self.heketi_server_url, bhv_volume)
# Check if all blockhosting volumes are deleted from heketi
self.assertFalse(new_bhv_list)
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_block_volume_delete(self):
"""Validate device path name changes the deletion of
already existing file volumes
"""
pvc_size, pvc_amount = 2, 5
pvc_names, gluster_block_list, vol_details = [], [], []
# Fetch BHV list
h_bhv_list_before = heketi_ops.get_block_hosting_volume_list(
self.h_node, self.h_server).keys()
# Create storage class
sc_name = self.create_storage_class()
# Delete created BHV and BV as cleanup during failures
self.addCleanup(self._cleanup_heketi_volumes, h_bhv_list_before)
# Create PVC's
for i in range(0, pvc_amount):
pvc_name = openshift_ops.oc_create_pvc(self.node,
sc_name,
pvc_size=pvc_size)
pvc_names.append(pvc_name)
self.addCleanup(openshift_ops.wait_for_resource_absence, self.node,
'pvc', pvc_name)
self.addCleanup(openshift_ops.oc_delete,
self.node,
'pvc',
pvc_name,
raise_on_absence=False)
# Wait for PVC's to be bound
openshift_ops.wait_for_pvc_be_bound(self.node, pvc_names)
# Get volume name list
for pvc_name in pvc_names:
pv_name = openshift_ops.get_pv_name_from_pvc(self.node, pvc_name)
volume_name = openshift_ops.get_vol_names_from_pv(self.node,
pv_name,
vol_type='block')
vol_details.append(volume_name)
# Get BHV list after BV creation
h_bhv_list_after = heketi_ops.get_block_hosting_volume_list(
self.h_node, self.h_server).keys()
self.assertTrue(h_bhv_list_after, "Failed to get the BHV list")
# Validate BV's count
self.validate_block_volumes_count(self.h_node, self.h_server,
self.node_ip)
# Collect pvs info and detach disks and collect pvs info
pvs_info_before = openshift_storage_libs.get_pvs_info(
self.node, self.node_ip, self.devices_list, raise_on_error=False)
self.detach_and_attach_vmdk(self.vm_name, self.node_hostname,
self.devices_list)
pvs_info_after = openshift_storage_libs.get_pvs_info(
self.node, self.node_ip, self.devices_list, raise_on_error=False)
# Compare pvs info before and after
for (path, uuid, vg_name), (_path, _uuid,
_vg_name) in zip(pvs_info_before[:-1],
pvs_info_after[1:]):
self.assertEqual(
uuid, _uuid, "pv_uuid check failed. Expected:{},"
"Actual: {}".format(uuid, _uuid))
self.assertEqual(
vg_name, _vg_name, "vg_name check failed. Expected:"
"{}, Actual:{}".format(vg_name, _vg_name))
# Delete created PVC's
for pvc_name in pvc_names:
openshift_ops.oc_delete(self.node, 'pvc', pvc_name)
# Wait for pvc to get deleted
openshift_ops.wait_for_resources_absence(self.node, 'pvc', pvc_names)
# Get existing BHV list
for bhv_name in h_bhv_list_after:
b_list = block_libs.get_block_list(self.node_ip, volname=bhv_name)
self.assertIsNotNone(gluster_block_list,
"Failed to get gluster block list")
gluster_block_list.append(b_list)
# Get list of block volumes using heketi
h_blockvol_list = heketi_ops.heketi_blockvolume_list(self.h_node,
self.h_server,
json=True)
# Validate volumes created are not present
for vol in vol_details:
self.assertNotIn(vol, gluster_block_list,
"Failed to delete volume {}".format(vol))
self.assertNotIn(vol, h_blockvol_list['blockvolumes'],
"Failed to delete blockvolume '{}'".format(vol))
def test_expansion_of_block_hosting_volume_using_heketi(self):
"""Verify that after expanding block hosting volume we are able to
consume the expanded space"""
h_node = self.heketi_client_node
h_url = self.heketi_server_url
bvols_in_bhv = set([])
bvols_pv = set([])
BHVS = get_block_hosting_volume_list(h_node, h_url)
free_BHVS_count = 0
for vol in BHVS.keys():
info = heketi_volume_info(h_node, h_url, vol, json=True)
if info['blockinfo']['freesize'] > 0:
free_BHVS_count += 1
if free_BHVS_count > 1:
self.skipTest("Skip test case because there is more than one"
" Block Hosting Volume with free space")
# create block volume of 1gb
bvol_info = heketi_blockvolume_create(h_node, h_url, 1, json=True)
expand_size = 20
try:
self.verify_free_space(expand_size)
bhv = bvol_info['blockhostingvolume']
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bvols_in_bhv.update(vol_info['blockinfo']['blockvolume'])
finally:
# cleanup BHV if there is only one block volume inside it
if len(bvols_in_bhv) == 1:
self.addCleanup(
heketi_volume_delete, h_node, h_url, bhv, json=True)
self.addCleanup(
heketi_blockvolume_delete, h_node, h_url, bvol_info['id'])
size = vol_info['size']
free_size = vol_info['blockinfo']['freesize']
bvol_count = int(free_size / expand_size)
bricks = vol_info['bricks']
# create pvs to fill the BHV
pvcs = self.create_and_wait_for_pvcs(
pvc_size=(expand_size if bvol_count else free_size),
pvc_amount=(bvol_count or 1), timeout=300)
vol_expand = True
for i in range(2):
# get the vol ids from pvcs
for pvc in pvcs:
pv = get_pv_name_from_pvc(self.node, pvc)
custom = r':.metadata.annotations."gluster\.org\/volume-id"'
bvol_id = oc_get_custom_resource(self.node, 'pv', custom, pv)
bvols_pv.add(bvol_id[0])
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
bvols = vol_info['blockinfo']['blockvolume']
bvols_in_bhv.update(bvols)
self.assertEqual(bvols_pv, (bvols_in_bhv & bvols_pv))
# Expand BHV and verify bricks and size of BHV
if vol_expand:
vol_expand = False
heketi_volume_expand(
h_node, h_url, bhv, expand_size, json=True)
vol_info = heketi_volume_info(h_node, h_url, bhv, json=True)
self.assertEqual(size + expand_size, vol_info['size'])
self.assertFalse(len(vol_info['bricks']) % 3)
self.assertLess(len(bricks), len(vol_info['bricks']))
# create more PVCs in expanded BHV
pvcs = self.create_and_wait_for_pvcs(
pvc_size=(expand_size - 1), pvc_amount=1)