def test_brick_multiplex_pids_with_diff_vol_option_values(self):
"""Test Brick Pid's should be same when values of vol options are diff
"""
h_client, h_url = self.heketi_client_node, self.heketi_server_url
# Disable heketi nodes except first three nodes
h_nodes_list = heketi_node_list(h_client, h_url)
for node_id in h_nodes_list[3:]:
heketi_node_disable(h_client, h_url, node_id)
self.addCleanup(heketi_node_enable, h_client, h_url, node_id)
# Create storage class with diff volumeoptions
sc1 = self.create_storage_class(volumeoptions='user.heketi.abc 1')
sc2 = self.create_storage_class(volumeoptions='user.heketi.abc 2')
# Create PVC's with above SC
pvc1 = self.create_and_wait_for_pvcs(sc_name=sc1)
pvc2 = self.create_and_wait_for_pvcs(sc_name=sc2)
# Get vol info and status
vol_info1 = get_gluster_vol_info_by_pvc_name(self.node, pvc1[0])
vol_info2 = get_gluster_vol_info_by_pvc_name(self.node, pvc2[0])
vol_status1 = get_gluster_vol_status(vol_info1['gluster_vol_id'])
vol_status2 = get_gluster_vol_status(vol_info2['gluster_vol_id'])
# Verify vol options
err_msg = ('Volume option "user.heketi.abc %s" did not got match for '
'volume %s in gluster vol info')
self.assertEqual(
vol_info1['options']['user.heketi.abc'], '1',
err_msg % (1, vol_info1['gluster_vol_id']))
self.assertEqual(
vol_info2['options']['user.heketi.abc'], '2',
err_msg % (2, vol_info2['gluster_vol_id']))
# Get the PID's and match them
pids1 = set()
for brick in vol_info1['bricks']['brick']:
host, bname = brick['name'].split(":")
pids1.add(vol_status1[host][bname]['pid'])
pids2 = set()
for brick in vol_info2['bricks']['brick']:
host, bname = brick['name'].split(":")
pids2.add(vol_status2[host][bname]['pid'])
err_msg = ('Pids of both the volumes %s and %s are expected to be'
'same. But got the different Pids "%s" and "%s".' %
(vol_info1['gluster_vol_id'], vol_info2['gluster_vol_id'],
pids1, pids2))
self.assertEqual(pids1, pids2, err_msg)
def test_pvc_arbiter_placement_and_expansion_with_zone_check_set_in_sc(
self, zone_count, heketi_zone_checking):
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Create storage class setting "user.heketi.zone-checking" up
sc_name = self.create_storage_class(
sc_name_prefix=self.prefix,
vol_name_prefix=self.prefix,
allow_volume_expansion=True,
is_arbiter_vol=True,
heketi_zone_checking=heketi_zone_checking)
# Create PVC using above storage class
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=self.prefix,
sc_name=sc_name)
# Validate brick placement and expand PVC
self._validate_brick_placement_in_correct_zone_or_with_expand_pvc(
heketi_zone_checking, pvc_name, zone_count, expand=True)
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
self.assertIn('user.heketi.zone-checking', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.zone-checking'],
heketi_zone_checking)
self.assertIn('user.heketi.arbiter', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.arbiter'], 'true')
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_check_pvc_placement_with_zone_check_in_sc_and_dc_both(
self, check_in_dc, check_in_sc):
zone_count = 3
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Create storage class with arbiter option set
sc_name = self.create_storage_class(sc_name_prefix=self.prefix,
vol_name_prefix=self.prefix,
heketi_zone_checking=check_in_sc)
# Set "user.heketi.zone-checking" to strict inside heketi dc
self._set_zone_check_env_in_heketi_dc(check_in_dc)
# Create a PVC
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=self.prefix,
sc_name=sc_name)
# Validate brick placement
self._validate_brick_placement_in_correct_zone_or_with_expand_pvc(
check_in_dc, pvc_name, zone_count)
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
self.assertIn('user.heketi.zone-checking', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.zone-checking'],
check_in_dc)
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_expand_arbiter_volume_according_to_avg_file_size(
self, avg_file_size, expected_brick_size, vol_expand=True):
"""Validate expansion of arbiter volume with diff avg file size"""
data_hosts = []
arbiter_hosts = []
# set tags arbiter:disabled, arbiter:required
for i, node_id in enumerate(self.node_id_list):
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled' if i < 2 else 'required')
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
(data_hosts.append(node_info['hostnames']['storage'][0]) if i < 2
else arbiter_hosts.append(node_info['hostnames']['storage'][0]))
self.assertEqual(node_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True,
allow_volume_expansion=True,
arbiter_avg_file_size=avg_file_size)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
vol_expanded = False
for i in range(2):
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
bricks = (
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info,
arbiter_bricks=(2 if vol_expanded else 1),
data_bricks=(4 if vol_expanded else 2)))
# verify arbiter bricks lies on arbiter hosts
for brick in bricks['arbiter_list']:
ip, brick_name = brick['name'].split(':')
self.assertIn(ip, arbiter_hosts)
# verify the size of arbiter brick
cmd = "df -h %s --output=size | tail -1" % brick_name
out = openshift_ops.cmd_run_on_gluster_pod_or_node(
self.node, cmd, ip)
self.assertEqual(out, expected_brick_size)
# verify that data bricks lies on data hosts
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
if vol_expanded or not vol_expand:
break
# Expand PVC and verify the size
pvc_size = 2
openshift_ops.resize_pvc(self.node, self.pvc_name, pvc_size)
openshift_ops.verify_pvc_size(self.node, self.pvc_name, pvc_size)
vol_expanded = True
def test_pvc_placement_and_expansion_with_zone_check_set_in_dc(
self, zone_count, is_arbiter):
heketi_zone_checking, expand_size = "strict", 2
# Create storage class setting expansion and arbiter option up
sc_name = self.create_storage_class(sc_name_prefix=self.prefix,
vol_name_prefix=self.prefix,
allow_volume_expansion=True,
is_arbiter_vol=True)
# Create PVC using above storage class
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=self.prefix,
sc_name=sc_name)
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Set "user.heketi.zone-checking" to strict inside heketi dc
self._set_zone_check_env_in_heketi_dc(heketi_zone_checking)
# Expand PVC
openshift_storage_libs.enable_pvc_resize(self.node)
openshift_ops.resize_pvc(self.node, pvc_name, expand_size)
openshift_ops.verify_pvc_size(self.node, pvc_name, expand_size)
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
if is_arbiter:
self.assertIn('user.heketi.arbiter', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.arbiter'],
'true')
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_arbiter_volume_delete_using_pvc(self):
"""Test Arbiter volume delete using pvc when volume is not mounted
on app pod
"""
prefix = "autotest-%s" % utils.get_random_str()
# Create sc with gluster arbiter info
sc_name = self.create_storage_class(vol_name_prefix=prefix,
is_arbiter_vol=True)
# Create PVC and wait for it to be in 'Bound' state
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=prefix,
sc_name=sc_name)
# Get vol info
gluster_vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
# Verify arbiter volume properties
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
gluster_vol_info)
# Get volume ID
gluster_vol_id = gluster_vol_info["gluster_vol_id"]
# Delete the pvc
openshift_ops.oc_delete(self.node, 'pvc', pvc_name)
openshift_ops.wait_for_resource_absence(self.node, 'pvc', pvc_name)
# Check the heketi volume list if pvc is deleted
g.log.info("List heketi volumes")
heketi_volumes = heketi_ops.heketi_volume_list(self.heketi_client_node,
self.heketi_server_url)
err_msg = "Failed to delete heketi volume by prefix %s" % prefix
self.assertNotIn(prefix, heketi_volumes, err_msg)
# Check presence for the gluster volume
get_gluster_vol_info = volume_ops.get_volume_info(
"auto_get_gluster_endpoint", gluster_vol_id)
err_msg = "Failed to delete gluster volume %s" % gluster_vol_id
self.assertFalse(get_gluster_vol_info, err_msg)
# Check presence of bricks and lvs
for brick in gluster_vol_info['bricks']['brick']:
gluster_node_ip, brick_name = brick["name"].split(":")
with self.assertRaises(exceptions.ExecutionError):
cmd = "df %s" % brick_name
openshift_ops.cmd_run_on_gluster_pod_or_node(
self.node, cmd, gluster_node_ip)
with self.assertRaises(exceptions.ExecutionError):
lv_match = re.search(BRICK_REGEX, brick["name"])
if lv_match:
cmd = "lvs %s" % lv_match.group(2).strip()
openshift_ops.cmd_run_on_gluster_pod_or_node(
self.node, cmd, gluster_node_ip)
def test_arbiter_volume_expand_using_pvc(self):
"""Validate arbiter volume expansion by PVC creation"""
# Create sc with gluster arbiter info
self.create_storage_class(
is_arbiter_vol=True, allow_volume_expansion=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Get vol 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)
pvc_size = 2
resize_pvc(self.node, self.pvc_name, pvc_size)
verify_pvc_size(self.node, self.pvc_name, pvc_size)
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_arbiter_pvc_create(self):
"""Validate dynamic provision of an arbiter volume"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Get vol 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)
def test_arbiter_pvc_create(self):
"""Validate dynamic provision of an arbiter volume"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Get vol 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)
def test_arbiter_volume_expand_using_pvc(self):
"""Validate arbiter volume expansion by PVC creation"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True,
allow_volume_expansion=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Get vol 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)
pvc_size = 2
resize_pvc(self.node, self.pvc_name, pvc_size)
verify_pvc_size(self.node, self.pvc_name, pvc_size)
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_verify_arbiter_brick_able_to_contain_expected_amount_of_files(
self, pvc_size_gb, avg_file_size):
"""Validate arbiter brick creation with different avg file size"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True,
arbiter_avg_file_size=avg_file_size)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc(pvc_size_gb)
# Get volume info
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
# Verify proportion of data and arbiter bricks
bricks_info = (
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info))
expected_file_amount = pvc_size_gb * 1024**2 // (avg_file_size or 64)
expected_file_amount = (expected_file_amount //
bricks_info['arbiter_amount'])
# Try to create expected amount of files on arbiter brick mount
passed_arbiter_bricks = []
not_found = "Mount Not Found"
for brick in bricks_info['arbiter_list']:
# "brick path" looks like following:
# ip_addr:/path/to/vg/brick_unique_name/brick
gluster_ip, brick_path = brick["name"].split(":")
brick_path = brick_path[0:-6]
cmd = "mount | grep %s || echo '%s'" % (brick_path, not_found)
out = openshift_ops.cmd_run_on_gluster_pod_or_node(
self.node, cmd, gluster_ip)
if out != not_found:
cmd = ("python -c \"["
" open('%s/foo_file{0}'.format(i), 'a').close()"
" for i in range(%s)"
"]\"" % (brick_path, expected_file_amount))
openshift_ops.cmd_run_on_gluster_pod_or_node(
self.node, cmd, gluster_ip)
passed_arbiter_bricks.append(brick["name"])
# Make sure all the arbiter bricks were checked
for brick in bricks_info['arbiter_list']:
self.assertIn(
brick["name"], passed_arbiter_bricks,
"Arbiter brick '%s' was not verified. Looks like it was "
"not found on any of gluster PODs/nodes." % brick["name"])
def test_verify_arbiter_brick_able_to_contain_expected_amount_of_files(
self, pvc_size_gb, avg_file_size):
"""Validate arbiter brick creation with different avg file size"""
# Create sc with gluster arbiter info
self.create_storage_class(
is_arbiter_vol=True, arbiter_avg_file_size=avg_file_size)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc(pvc_size_gb)
# Get volume info
vol_info = get_gluster_vol_info_by_pvc_name(self.node, self.pvc_name)
# Verify proportion of data and arbiter bricks
bricks_info = (
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info))
expected_file_amount = pvc_size_gb * 1024**2 / (avg_file_size or 64)
expected_file_amount = (expected_file_amount /
bricks_info['arbiter_amount'])
# Try to create expected amount of files on arbiter brick mount
passed_arbiter_bricks = []
not_found = "Mount Not Found"
for brick in bricks_info['arbiter_list']:
# "brick path" looks like following:
# ip_addr:/path/to/vg/brick_unique_name/brick
gluster_ip, brick_path = brick["name"].split(":")
brick_path = brick_path[0:-6]
cmd = "mount | grep %s || echo '%s'" % (brick_path, not_found)
out = cmd_run_on_gluster_pod_or_node(self.node, cmd, gluster_ip)
if out != not_found:
cmd = (
"python -c \"["
" open('%s/foo_file{0}'.format(i), 'a').close()"
" for i in range(%s)"
"]\"" % (brick_path, expected_file_amount)
)
cmd_run_on_gluster_pod_or_node(self.node, cmd, gluster_ip)
passed_arbiter_bricks.append(brick["name"])
# Make sure all the arbiter bricks were checked
for brick in bricks_info['arbiter_list']:
self.assertIn(
brick["name"], passed_arbiter_bricks,
"Arbiter brick '%s' was not verified. Looks like it was "
"not found on any of gluster PODs/nodes." % brick["name"])
def test_arbiter_pvc_placement_with_zone_check_set_in_sc(
self, zone_count, heketi_zone_checking, node_count=None):
# Check amount of available online nodes
if node_count:
online_node_count = len(self._get_online_nodes())
if online_node_count < node_count:
self.skipTest(
'Available node count {} is less than expected node '
'count {}'.format(online_node_count, node_count))
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Create storage class setting "user.heketi.zone-checking" up
sc_name = self.create_storage_class(
sc_name_prefix=self.prefix,
vol_name_prefix=self.prefix,
is_arbiter_vol=True,
heketi_zone_checking=heketi_zone_checking)
# PVC creation should fail when zones are below 3 and check is strict
if heketi_zone_checking == "strict" and zone_count < 3:
self.assertRaises(exceptions.ExecutionError,
self.create_and_wait_for_pvc,
pvc_name_prefix=self.prefix,
sc_name=sc_name,
timeout=30)
else:
# Create PVC using above storage class
pvc_name = self.create_and_wait_for_pvc(
pvc_name_prefix=self.prefix, sc_name=sc_name)
# Validate brick placement
self._validate_brick_placement_in_correct_zone_or_with_expand_pvc(
heketi_zone_checking, pvc_name, zone_count)
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
self.assertIn('user.heketi.zone-checking', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.zone-checking'],
heketi_zone_checking)
self.assertIn('user.heketi.arbiter', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.arbiter'],
'true')
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_check_pvc_placement_based_on_the_heketi_zones(
self,
zone_count,
heketi_zone_checking,
is_arbiter_vol,
expand=False):
# TODO(vponomar): implement setting env vars for the Heketi dc.
# Check amount of available online heketi zones
self._check_for_available_zones(zone_count)
# Create storage class setting "user.heketi.zone-checking" option up
prefix = "autotests-heketi-zones"
sc_name = self.create_storage_class(
sc_name_prefix=prefix,
vol_name_prefix=prefix,
allow_volume_expansion=expand,
is_arbiter_vol=is_arbiter_vol,
heketi_zone_checking=heketi_zone_checking)
# Create PVC using above storage class
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=prefix,
sc_name=sc_name)
# Validate brick placement and expand if needed
self._validate_brick_placement_in_correct_zone_or_with_expand_pvc(
heketi_zone_checking, pvc_name, zone_count, expand=expand)
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
self.assertIn('user.heketi.zone-checking', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.zone-checking'],
heketi_zone_checking)
if is_arbiter_vol:
self.assertIn('user.heketi.arbiter', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.arbiter'],
'true')
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_pv_resize_when_heketi_down(self):
"""Create a PVC and try to expand it when heketi is down, It should
fail. After heketi is up, expand PVC should work.
"""
self.create_storage_class(allow_volume_expansion=True)
pvc_name = self.create_and_wait_for_pvc()
dc_name, pod_name = self.create_dc_with_pvc(pvc_name)
pv_name = get_pv_name_from_pvc(self.node, pvc_name)
custom = (r':metadata.annotations.'
r'"gluster\.kubernetes\.io\/heketi-volume-id"')
vol_id = oc_get_custom_resource(self.node, 'pv', custom, pv_name)[0]
h_vol_info = heketi_ops.heketi_volume_info(self.heketi_client_node,
self.heketi_server_url,
vol_id,
json=True)
# Bring the heketi POD down
scale_dc_pod_amount_and_wait(self.node,
self.heketi_dc_name,
pod_amount=0)
self.addCleanup(scale_dc_pod_amount_and_wait,
self.node,
self.heketi_dc_name,
pod_amount=1)
cmd = 'dd if=/dev/urandom of=/mnt/%s bs=614400k count=1'
ret, out, err = oc_rsh(self.node, pod_name, cmd % 'file1')
self.assertFalse(ret, 'Not able to write file with err: %s' % err)
wait_for_pod_be_ready(self.node, pod_name, 10, 5)
resize_pvc(self.node, pvc_name, 2)
wait_for_events(self.node,
pvc_name,
obj_type='PersistentVolumeClaim',
event_type='Warning',
event_reason='VolumeResizeFailed')
# Verify volume was not expanded
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertEqual(vol_info['gluster_vol_id'], h_vol_info['name'])
self.assertEqual(len(vol_info['bricks']['brick']),
len(h_vol_info['bricks']))
# Bring the heketi POD up
scale_dc_pod_amount_and_wait(self.node,
self.heketi_dc_name,
pod_amount=1)
# Verify volume expansion
verify_pvc_size(self.node, pvc_name, 2)
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertFalse(len(vol_info['bricks']['brick']) % 3)
self.assertLess(len(h_vol_info['bricks']),
len(vol_info['bricks']['brick']))
# Wait for remount after expansion
for w in waiter.Waiter(timeout=30, interval=5):
ret, out, err = oc_rsh(self.node, pod_name,
"df -Ph /mnt | awk '{print $2}' | tail -1")
self.assertFalse(ret,
'Failed with err: %s and Output: %s' % (err, out))
if out.strip() == '2.0G':
break
# Write data making sure we have more space than it was
ret, out, err = oc_rsh(self.node, pod_name, cmd % 'file2')
self.assertFalse(ret, 'Not able to write file with err: %s' % err)
# Verify pod is running
wait_for_pod_be_ready(self.node, pod_name, 10, 5)
def test_arbiter_pvc_mount_on_pod(self):
"""Validate new volume creation using app pod"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Create POD with attached volume
mount_path = "/mnt"
pod_name = oc_create_tiny_pod_with_volume(
self.node, self.pvc_name, "test-arbiter-pvc-mount-on-app-pod",
mount_path=mount_path)
self.addCleanup(oc_delete, self.node, 'pod', pod_name)
# Wait for POD be up and running
wait_for_pod_be_ready(self.node, pod_name, timeout=60, wait_step=2)
# Get volume ID
vol_info = get_gluster_vol_info_by_pvc_name(self.node, self.pvc_name)
vol_id = vol_info["gluster_vol_id"]
# Verify that POD has volume mounted on it
cmd = "oc exec {0} -- df -PT {1} | grep {1}".format(
pod_name, mount_path)
out = self.cmd_run(cmd)
err_msg = ("Failed to get info about mounted '%s' volume. "
"Output is empty." % vol_id)
self.assertTrue(out, err_msg)
# Verify volume data on POD
# Filesystem Type Size Used Avail Cap Mounted on
# IP:vol_id fuse.glusterfs 1038336 33408 1004928 3% /mnt
data = [s for s in out.strip().split(' ') if s]
actual_vol_id = data[0].split(':')[-1]
self.assertEqual(
vol_id, actual_vol_id,
"Volume ID does not match: expected is "
"'%s' and actual is '%s'." % (vol_id, actual_vol_id))
self.assertIn(
"gluster", data[1],
"Filesystem type is expected to be of 'glusterfs' type. "
"Actual value is '%s'." % data[1])
self.assertEqual(
mount_path, data[6],
"Unexpected mount path. Expected is '%s' and actual is '%s'." % (
mount_path, data[6]))
max_size = 1024 ** 2
total_size = int(data[2])
self.assertLessEqual(
total_size, max_size,
"Volume has bigger size '%s' than expected - '%s'." % (
total_size, max_size))
min_available_size = int(max_size * 0.93)
available_size = int(data[4])
self.assertLessEqual(
min_available_size, available_size,
"Minimum available size (%s) not satisfied. Actual is '%s'." % (
min_available_size, available_size))
# Write data on mounted volume
write_data_cmd = (
"dd if=/dev/zero of=%s/file$i bs=%s count=1; " % (
mount_path, available_size))
self.cmd_run(write_data_cmd)
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_expand_arbiter_volume_setting_tags_on_nodes_or_devices(
self, node_tags):
"""Validate exapnsion of arbiter volume with defferent tags
This test case is going to run two tests:
1. If value is True it is going to set tags
on nodes and run test
2. If value is False it is going to set tags
on devices and run test
"""
data_nodes = []
arbiter_nodes = []
# set tags arbiter:disabled, arbiter:required
for i, node_id in enumerate(self.node_id_list):
if node_tags:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled' if i < 2 else 'required')
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
if not node_tags:
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' if i < 2 else 'required')
device_info = heketi_ops.heketi_device_info(
self.heketi_client_node,
self.heketi_server_url,
device['id'],
json=True)
self.assertEqual(device_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
node = {
'id': node_id,
'host': node_info['hostnames']['storage'][0]
}
if node_tags:
self.assertEqual(node_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
data_nodes.append(node) if i < 2 else arbiter_nodes.append(node)
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True,
allow_volume_expansion=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
bricks = self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info)
arbiter_hosts = [obj['host'] for obj in arbiter_nodes]
data_hosts = [obj['host'] for obj in data_nodes]
for brick in bricks['arbiter_list']:
self.assertIn(brick['name'].split(':')[0], arbiter_hosts)
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
# Expand PVC and verify the size
pvc_size = 2
openshift_ops.resize_pvc(self.node, self.pvc_name, pvc_size)
openshift_ops.verify_pvc_size(self.node, self.pvc_name, pvc_size)
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
bricks = self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info, arbiter_bricks=2, data_bricks=4)
for brick in bricks['arbiter_list']:
self.assertIn(brick['name'].split(':')[0], arbiter_hosts)
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
def test_arbiter_required_tag_on_node_or_devices_other_disabled(
self, r_node_tag, d_node_tag, r_device_tag, d_device_tag):
"""Validate arbiter vol creation with node or device tag"""
pvc_amount = 3
# Get Heketi nodes info
node_id_list = heketi_ops.heketi_node_list(self.heketi_client_node,
self.heketi_server_url)
# Disable n-3 nodes
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)
# Set arbiter:required tags
arbiter_node = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id_list[0],
json=True)
arbiter_nodes_ip_addresses = arbiter_node['hostnames']['storage']
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node,
self.heketi_server_url,
'node',
node_id_list[0], ('required' if r_node_tag else None),
revert_to=arbiter_node.get('tags', {}).get('arbiter'))
for device in arbiter_node['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node,
self.heketi_server_url,
'device',
device['id'], ('required' if r_device_tag else None),
revert_to=device.get('tags', {}).get('arbiter'))
# Set arbiter:disabled tags
data_nodes_ip_addresses = []
for node_id in node_id_list[1:]:
node_info = heketi_ops.heketi_node_info(self.heketi_client_node,
self.heketi_server_url,
node_id,
json=True)
if not any([
int(d['storage']['free']) > (pvc_amount * 1024**2)
for d in node_info['devices']
]):
self.skipTest("Devices are expected to have more than "
"%sGb of free space" % pvc_amount)
data_nodes_ip_addresses.extend(node_info['hostnames']['storage'])
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' if d_device_tag else None),
revert_to=device.get('tags', {}).get('arbiter'))
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node,
self.heketi_server_url,
'node',
node_id, ('disabled' if d_node_tag else None),
revert_to=node_info.get('tags', {}).get('arbiter'))
# Create PVCs and check that their bricks are correctly located
self.create_storage_class(is_arbiter_vol=True)
for i in range(pvc_amount):
self.create_and_wait_for_pvc(1)
# Get gluster volume info
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
arbiter_bricks, data_bricks = [], []
for brick in vol_info['bricks']['brick']:
if int(brick["isArbiter"]) == 1:
arbiter_bricks.append(brick["name"])
else:
data_bricks.append(brick["name"])
# Verify that all the arbiter bricks are located on
# arbiter:required node and data bricks on all other nodes only.
for arbiter_brick in arbiter_bricks:
self.assertIn(
arbiter_brick.split(':')[0], arbiter_nodes_ip_addresses)
for data_brick in data_bricks:
self.assertIn(
data_brick.split(':')[0], data_nodes_ip_addresses)
def test_aribiter_required_tag_on_node_or_devices_other_disabled(
self, node_with_tag):
"""Validate arbiter vol creation with required node or device tag"""
pvc_amount = 3
# Get Heketi nodes info
node_id_list = heketi_ops.heketi_node_list(
self.heketi_client_node, self.heketi_server_url)
# Set arbiter:required tags
arbiter_node = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url, node_id_list[0],
json=True)
arbiter_nodes_ip_addresses = arbiter_node['hostnames']['storage']
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id_list[0], ('required' if node_with_tag else None),
revert_to=arbiter_node.get('tags', {}).get('arbiter'))
for device in arbiter_node['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'device',
device['id'], (None if node_with_tag else 'required'),
revert_to=device.get('tags', {}).get('arbiter'))
# Set arbiter:disabled tags
data_nodes, data_nodes_ip_addresses = [], []
for node_id in node_id_list[1:]:
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
if not any([int(d['storage']['free']) > (pvc_amount * 1024**2)
for d in node_info['devices']]):
self.skipTest(
"Devices are expected to have more than "
"%sGb of free space" % pvc_amount)
data_nodes_ip_addresses.extend(node_info['hostnames']['storage'])
for device in node_info['devices']:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'device',
device['id'], (None if node_with_tag else 'disabled'),
revert_to=device.get('tags', {}).get('arbiter'))
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, ('disabled' if node_with_tag else None),
revert_to=node_info.get('tags', {}).get('arbiter'))
data_nodes.append(node_info)
# Create PVCs and check that their bricks are correctly located
self.create_storage_class(is_arbiter_vol=True)
for i in range(pvc_amount):
self.create_and_wait_for_pvc(1)
# Get gluster volume info
vol_info = get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
arbiter_bricks, data_bricks = [], []
for brick in vol_info['bricks']['brick']:
if int(brick["isArbiter"]) == 1:
arbiter_bricks.append(brick["name"])
else:
data_bricks.append(brick["name"])
# Verify that all the arbiter bricks are located on
# arbiter:required node and data bricks on all other nodes only.
for arbiter_brick in arbiter_bricks:
self.assertIn(
arbiter_brick.split(':')[0], arbiter_nodes_ip_addresses)
for data_brick in data_bricks:
self.assertIn(
data_brick.split(':')[0], data_nodes_ip_addresses)
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_arbiter_pvc_mount_on_pod(self):
"""Validate new volume creation using app pod"""
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
# Create POD with attached volume
mount_path = "/mnt"
pod_name = openshift_ops.oc_create_tiny_pod_with_volume(
self.node,
self.pvc_name,
"test-arbiter-pvc-mount-on-app-pod",
mount_path=mount_path)
self.addCleanup(openshift_ops.oc_delete, self.node, 'pod', pod_name)
# Wait for POD be up and running
openshift_ops.wait_for_pod_be_ready(self.node,
pod_name,
timeout=60,
wait_step=2)
# Get volume ID
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
vol_id = vol_info["gluster_vol_id"]
# Verify that POD has volume mounted on it
cmd = "oc exec {0} -- df -PT {1} | grep {1}".format(
pod_name, mount_path)
out = self.cmd_run(cmd)
err_msg = ("Failed to get info about mounted '%s' volume. "
"Output is empty." % vol_id)
self.assertTrue(out, err_msg)
# Verify volume data on POD
# Filesystem Type Size Used Avail Cap Mounted on
# IP:vol_id fuse.glusterfs 1038336 33408 1004928 3% /mnt
data = [s for s in out.strip().split(' ') if s]
actual_vol_id = data[0].split(':')[-1]
self.assertEqual(
vol_id, actual_vol_id, "Volume ID does not match: expected is "
"'%s' and actual is '%s'." % (vol_id, actual_vol_id))
self.assertIn(
"gluster", data[1],
"Filesystem type is expected to be of 'glusterfs' type. "
"Actual value is '%s'." % data[1])
self.assertEqual(
mount_path, data[6],
"Unexpected mount path. Expected is '%s' and actual is '%s'." %
(mount_path, data[6]))
max_size = 1024**2
total_size = int(data[2])
self.assertLessEqual(
total_size, max_size,
"Volume has bigger size '%s' than expected - '%s'." %
(total_size, max_size))
min_available_size = int(max_size * 0.93)
available_size = int(data[4])
self.assertLessEqual(
min_available_size, available_size,
"Minimum available size (%s) not satisfied. Actual is '%s'." %
(min_available_size, available_size))
# Write data on mounted volume
write_data_cmd = ("dd if=/dev/zero of=%s/file$i bs=%s count=1; " %
(mount_path, available_size))
self.cmd_run(write_data_cmd)
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_check_pvc_placement_based_on_the_heketi_zones(
self,
zone_count,
heketi_zone_checking,
is_arbiter_vol,
expand=False):
# TODO(vponomar): implement setting env vars for the Heketi dc.
# Check amount of available online heketi nodes
online_nodes = self._get_online_nodes()
node_count = len(online_nodes)
# Check current amount of the Heketi zones
actual_heketi_zones_amount = len(set([n[0] for n in online_nodes]))
if zone_count != actual_heketi_zones_amount:
if self.allow_heketi_zones_update:
if zone_count > node_count:
self.skipTest("Not enough online nodes '%s' to test '%s' "
"unique Heketi zones." %
(node_count, zone_count))
heketi_db_data = self._set_heketi_zones(zone_count)
online_nodes = [
(n['Info']['zone'], n['Info']['hostnames']['storage'])
for n in heketi_db_data['nodeentries'].values()
]
else:
self.skipTest(
"Required amount of the Heketi zones (%s < %s) is not "
"satisfied and 'common.allow_heketi_zones_update' config "
"option is set to 'False'." %
(zone_count, actual_heketi_zones_amount))
# Create storage class setting "user.heketi.zone-checking" option up
prefix = "autotests-heketi-zones"
sc_name = self.create_storage_class(
sc_name_prefix=prefix,
vol_name_prefix=prefix,
allow_volume_expansion=expand,
is_arbiter_vol=is_arbiter_vol,
heketi_zone_checking=heketi_zone_checking)
# Create PVC using above storage class
pvc_name = self.create_and_wait_for_pvc(pvc_name_prefix=prefix,
sc_name=sc_name)
for i in range(2):
# Validate brick placement if heketi zone checking is 'strict'
if heketi_zone_checking == 'strict':
brick_hosts_ips = (
openshift_ops.get_gluster_host_ips_by_pvc_name(
self.node, pvc_name))
placement_zones = {}
for brick_host_ip in brick_hosts_ips:
for node_zone, node_ips in online_nodes:
if brick_host_ip not in node_ips:
continue
placement_zones[node_zone] = placement_zones.get(
node_zone, 0) + 1
break
actual_zone_count = len(placement_zones)
# NOTE(vponomar): '3' is default amount of volume replicas.
# And it is just impossible to find more actual zones than
# amount of replicas/bricks.
brick_number = len(brick_hosts_ips)
expected_zone_count = (
brick_number if brick_number < zone_count else zone_count)
self.assertEqual(
expected_zone_count, actual_zone_count,
"PVC '%s' is incorrectly placed on the Heketi nodes "
"according to their zones. Expected '%s' unique zones, "
"got '%s'." % (pvc_name, zone_count, actual_zone_count))
# Expand PVC if needed
if expand:
expand_size, expand = 2, False
openshift_storage_libs.enable_pvc_resize(self.node)
openshift_ops.resize_pvc(self.node, pvc_name, expand_size)
openshift_ops.verify_pvc_size(self.node, pvc_name, expand_size)
else:
break
# Make sure that gluster vol has appropriate option set
vol_info = openshift_ops.get_gluster_vol_info_by_pvc_name(
self.node, pvc_name)
self.assertIn('user.heketi.zone-checking', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.zone-checking'],
heketi_zone_checking)
if is_arbiter_vol:
self.assertIn('user.heketi.arbiter', vol_info['options'])
self.assertEqual(vol_info['options']['user.heketi.arbiter'],
'true')
# Create app DC with the above PVC
self.create_dc_with_pvc(pvc_name, timeout=120, wait_step=3)
def test_pv_resize_when_heketi_down(self):
"""Create a PVC and try to expand it when heketi is down, It should
fail. After heketi is up, expand PVC should work.
"""
self.create_storage_class(allow_volume_expansion=True)
pvc_name = self.create_and_wait_for_pvc()
dc_name, pod_name = self.create_dc_with_pvc(pvc_name)
pv_name = get_pv_name_from_pvc(self.node, pvc_name)
custom = (r':metadata.annotations.'
r'"gluster\.kubernetes\.io\/heketi-volume-id"')
vol_id = oc_get_custom_resource(self.node, 'pv', custom, pv_name)[0]
h_vol_info = heketi_ops.heketi_volume_info(
self.heketi_client_node, self.heketi_server_url, vol_id, json=True)
# Bring the heketi POD down
scale_dc_pod_amount_and_wait(
self.node, self.heketi_dc_name, pod_amount=0)
self.addCleanup(
scale_dc_pod_amount_and_wait, self.node,
self.heketi_dc_name, pod_amount=1)
cmd = 'dd if=/dev/urandom of=/mnt/%s bs=614400k count=1'
ret, out, err = oc_rsh(self.node, pod_name, cmd % 'file1')
self.assertFalse(ret, 'Not able to write file with err: %s' % err)
wait_for_pod_be_ready(self.node, pod_name, 10, 5)
resize_pvc(self.node, pvc_name, 2)
wait_for_events(
self.node, pvc_name, obj_type='PersistentVolumeClaim',
event_type='Warning', event_reason='VolumeResizeFailed')
# Verify volume was not expanded
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertEqual(vol_info['gluster_vol_id'], h_vol_info['name'])
self.assertEqual(
len(vol_info['bricks']['brick']), len(h_vol_info['bricks']))
# Bring the heketi POD up
scale_dc_pod_amount_and_wait(
self.node, self.heketi_dc_name, pod_amount=1)
# Verify volume expansion
verify_pvc_size(self.node, pvc_name, 2)
vol_info = get_gluster_vol_info_by_pvc_name(self.node, pvc_name)
self.assertFalse(len(vol_info['bricks']['brick']) % 3)
self.assertLess(
len(h_vol_info['bricks']), len(vol_info['bricks']['brick']))
# Wait for remount after expansion
for w in waiter.Waiter(timeout=30, interval=5):
ret, out, err = oc_rsh(
self.node, pod_name,
"df -Ph /mnt | awk '{print $2}' | tail -1")
self.assertFalse(ret, 'Failed with err: %s and Output: %s' % (
err, out))
if out.strip() == '2.0G':
break
# Write data making sure we have more space than it was
ret, out, err = oc_rsh(self.node, pod_name, cmd % 'file2')
self.assertFalse(ret, 'Not able to write file with err: %s' % err)
# Verify pod is running
wait_for_pod_be_ready(self.node, pod_name, 10, 5)
def test_expand_arbiter_volume_setting_tags_on_nodes_or_devices(
self, node_tags):
"""Validate exapnsion of arbiter volume with defferent tags
This test case is going to run two tests:
1. If value is True it is going to set tags
on nodes and run test
2. If value is False it is going to set tags
on devices and run test
"""
data_nodes = []
arbiter_nodes = []
# set tags arbiter:disabled, arbiter:required
for i, node_id in enumerate(self.node_id_list):
if node_tags:
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled' if i < 2 else 'required')
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
if not node_tags:
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' if i < 2 else 'required')
device_info = heketi_ops.heketi_device_info(
self.heketi_client_node, self.heketi_server_url,
device['id'], json=True)
self.assertEqual(
device_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
node = {
'id': node_id, 'host': node_info['hostnames']['storage'][0]}
if node_tags:
self.assertEqual(
node_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
data_nodes.append(node) if i < 2 else arbiter_nodes.append(
node)
# Create sc with gluster arbiter info
self.create_storage_class(
is_arbiter_vol=True, allow_volume_expansion=True)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
vol_info = get_gluster_vol_info_by_pvc_name(self.node, self.pvc_name)
bricks = self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info)
arbiter_hosts = [obj['host'] for obj in arbiter_nodes]
data_hosts = [obj['host'] for obj in data_nodes]
for brick in bricks['arbiter_list']:
self.assertIn(brick['name'].split(':')[0], arbiter_hosts)
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
# Expand PVC and verify the size
pvc_size = 2
resize_pvc(self.node, self.pvc_name, pvc_size)
verify_pvc_size(self.node, self.pvc_name, pvc_size)
vol_info = get_gluster_vol_info_by_pvc_name(self.node, self.pvc_name)
bricks = self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info, arbiter_bricks=2, data_bricks=4)
for brick in bricks['arbiter_list']:
self.assertIn(brick['name'].split(':')[0], arbiter_hosts)
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
def test_expand_arbiter_volume_according_to_avg_file_size(
self, avg_file_size, expected_brick_size, vol_expand=True):
"""Validate expansion of arbiter volume with diff avg file size"""
data_hosts = []
arbiter_hosts = []
# set tags arbiter:disabled, arbiter:required
for i, node_id in enumerate(self.node_id_list):
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled' if i < 2 else 'required')
node_info = heketi_ops.heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
(data_hosts.append(node_info['hostnames']['storage'][0])
if i < 2 else
arbiter_hosts.append(node_info['hostnames']['storage'][0]))
self.assertEqual(
node_info['tags']['arbiter'],
'disabled' if i < 2 else 'required')
# Create sc with gluster arbiter info
self.create_storage_class(
is_arbiter_vol=True, allow_volume_expansion=True,
arbiter_avg_file_size=avg_file_size)
# Create PVC and wait for it to be in 'Bound' state
self.create_and_wait_for_pvc()
vol_expanded = False
for i in range(2):
vol_info = get_gluster_vol_info_by_pvc_name(
self.node, self.pvc_name)
bricks = (
self.verify_amount_and_proportion_of_arbiter_and_data_bricks(
vol_info,
arbiter_bricks=(2 if vol_expanded else 1),
data_bricks=(4 if vol_expanded else 2)
)
)
# verify arbiter bricks lies on arbiter hosts
for brick in bricks['arbiter_list']:
ip, brick_name = brick['name'].split(':')
self.assertIn(ip, arbiter_hosts)
# verify the size of arbiter brick
cmd = "df -h %s --output=size | tail -1" % brick_name
out = cmd_run_on_gluster_pod_or_node(self.node, cmd, ip)
self.assertEqual(out, expected_brick_size)
# verify that data bricks lies on data hosts
for brick in bricks['data_list']:
self.assertIn(brick['name'].split(':')[0], data_hosts)
if vol_expanded or not vol_expand:
break
# Expand PVC and verify the size
pvc_size = 2
resize_pvc(self.node, self.pvc_name, pvc_size)
verify_pvc_size(self.node, self.pvc_name, pvc_size)
vol_expanded = True
