def test_restart_gluster_block_provisioner_pod(self):
"""Restart gluster-block provisioner pod."""
# Get glusterblock provisioner dc name
cmd = ("oc get dc | awk '{ print $1 }' | "
"grep -e glusterblock -e provisioner")
dc_name = command.cmd_run(cmd, self.ocp_master_node[0], True)
# create heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=5, json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 5")
self.addCleanup(heketi_blockvolume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# restart gluster-block-provisioner-pod
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
oc_delete(self.ocp_master_node[0], 'pod', pod_name)
wait_for_resource_absence(self.ocp_master_node[0], 'pod', pod_name)
# new gluster-pod name
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0], pod_name)
# create new heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=2, json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 2")
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url,
vol_info['id'])
def test_dynamic_provisioning_glusterfile_glusterpod_failure(self):
"""Create glusterblock PVC when gluster pod is down."""
# Check that we work with containerized Gluster
if not self.is_containerized_gluster():
self.skipTest("Only containerized Gluster clusters are supported.")
mount_path = "/mnt"
datafile_path = '%s/fake_file_for_%s' % (mount_path, self.id())
# Create secret and storage class
self.create_storage_class()
# Create PVC
pvc_name = self.create_and_wait_for_pvc()
# Create app POD with attached volume
pod_name = oc_create_tiny_pod_with_volume(
self.node, pvc_name, "test-pvc-mount-on-app-pod",
mount_path=mount_path)
self.addCleanup(
wait_for_resource_absence, self.node, 'pod', pod_name)
self.addCleanup(oc_delete, self.node, 'pod', pod_name)
# Wait for app POD be up and running
wait_for_pod_be_ready(
self.node, pod_name, timeout=60, wait_step=2)
# Run IO in background
io_cmd = "oc rsh %s dd if=/dev/urandom of=%s bs=1000K count=900" % (
pod_name, datafile_path)
async_io = g.run_async(self.node, io_cmd, "root")
# Pick up one of the hosts which stores PV brick (4+ nodes case)
gluster_pod_data = get_gluster_pod_names_by_pvc_name(
self.node, pvc_name)[0]
# Delete glusterfs POD from chosen host and wait for spawn of new one
oc_delete(self.node, 'pod', gluster_pod_data["pod_name"])
cmd = ("oc get pods -o wide | grep glusterfs | grep %s | "
"grep -v Terminating | awk '{print $1}'") % (
gluster_pod_data["host_name"])
for w in Waiter(600, 15):
out = self.cmd_run(cmd)
new_gluster_pod_name = out.strip().split("\n")[0].strip()
if not new_gluster_pod_name:
continue
else:
break
if w.expired:
error_msg = "exceeded timeout, new gluster pod not created"
g.log.error(error_msg)
raise ExecutionError(error_msg)
new_gluster_pod_name = out.strip().split("\n")[0].strip()
g.log.info("new gluster pod name is %s" % new_gluster_pod_name)
wait_for_pod_be_ready(self.node, new_gluster_pod_name)
# Check that async IO was not interrupted
ret, out, err = async_io.async_communicate()
self.assertEqual(ret, 0, "IO %s failed on %s" % (io_cmd, self.node))
def test_pv_resize_with_prefix_for_name_and_size(
self, create_vol_name_prefix=False, valid_size=True):
"""Validate PV resize with and without name prefix"""
dir_path = "/mnt/"
node = self.ocp_client[0]
# Create PVC
self.create_storage_class(
allow_volume_expansion=True,
create_vol_name_prefix=create_vol_name_prefix)
pvc_name = self.create_and_wait_for_pvc()
# Create DC with POD and attached PVC to it.
dc_name = oc_create_app_dc_with_io(node, pvc_name)
self.addCleanup(oc_delete, node, 'dc', dc_name)
self.addCleanup(scale_dc_pod_amount_and_wait, node, dc_name, 0)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
if create_vol_name_prefix:
ret = heketi_ops.verify_volume_name_prefix(
node, self.sc['volumenameprefix'], self.sc['secretnamespace'],
pvc_name, self.heketi_server_url)
self.assertTrue(ret, "verify volnameprefix failed")
cmd = ("dd if=/dev/urandom of=%sfile " "bs=100K count=1000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0,
"Failed to execute command %s on %s" % (cmd, node))
pv_name = get_pv_name_from_pvc(node, pvc_name)
# If resize size is invalid then size should not change
if valid_size:
cmd = ("dd if=/dev/urandom of=%sfile2 "
"bs=100K count=10000") % dir_path
with self.assertRaises(AssertionError):
ret, out, err = oc_rsh(node, pod_name, cmd)
msg = ("Command '%s' was expected to fail on '%s' node. "
"But it returned following: ret is '%s', err is '%s' "
"and out is '%s'" % (cmd, node, ret, err, out))
raise ExecutionError(msg)
pvc_size = 2
resize_pvc(node, pvc_name, pvc_size)
verify_pvc_size(node, pvc_name, pvc_size)
verify_pv_size(node, pv_name, pvc_size)
else:
invalid_pvc_size = 'ten'
with self.assertRaises(AssertionError):
resize_pvc(node, pvc_name, invalid_pvc_size)
verify_pvc_size(node, pvc_name, 1)
verify_pv_size(node, pv_name, 1)
oc_delete(node, 'pod', pod_name)
wait_for_resource_absence(node, 'pod', pod_name)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
cmd = ("dd if=/dev/urandom of=%sfile_new "
"bs=50K count=10000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0,
"Failed to execute command %s on %s" % (cmd, node))
def test_100gb_block_pvc_create_and_delete_twice(self):
"""Validate creation and deletion of blockvoume of size 100GB"""
# Define required space, bhv size required for on 100GB block PVC
size, bhv_size, required_space = 100, 103, 309
h_node, h_url = self.heketi_client_node, self.heketi_server_url
prefix = 'autotest-pvc-{}'.format(utils.get_random_str(size=5))
# Skip test if required free space is not available
free_space = get_total_free_space(self.heketi_client_node,
self.heketi_server_url)[0]
if free_space < required_space:
self.skipTest("Available free space {} is less than the required "
"free space {}".format(free_space, required_space))
# Create block hosting volume of 103GB required for 100GB block PVC
bhv = heketi_volume_create(h_node,
h_url,
bhv_size,
block=True,
json=True)['id']
self.addCleanup(heketi_volume_delete, h_node, h_url, bhv)
for _ in range(2):
# Create PVC of size 100GB
pvc_name = self.create_and_wait_for_pvc(pvc_size=size,
pvc_name_prefix=prefix)
match_pvc_and_pv(self.node, prefix)
# Delete the PVC
oc_delete(self.node, 'pvc', pvc_name)
wait_for_resource_absence(self.node, 'pvc', pvc_name)
def test_dev_path_mapping_gluster_pod_reboot(self):
"""Validate dev path mapping for app pods with file volume after reboot
"""
# Skip the tc for independent mode
if not self.is_containerized_gluster():
self.skipTest("Skip TC as it is not supported in independent mode")
# 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()
# Fetch the gluster pod name from node
g_pod = self._get_gluster_pod()
# Respin a gluster pod
openshift_ops.oc_delete(self.node, "pod", g_pod)
self.addCleanup(self._guster_pod_delete_cleanup)
# Wait for pod to get absent
openshift_ops.wait_for_resource_absence(self.node, "pod", g_pod)
# Fetch gluster pod after delete
g_pod = self._get_gluster_pod()
openshift_ops.wait_for_pod_be_ready(self.node, g_pod)
# Check if IO's are running after respin of gluster pod
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_pvc_deletion_while_pod_is_running(self):
"""Validate PVC deletion while pod is running"""
if get_openshift_version() <= "3.9":
self.skipTest("PVC deletion while pod is running is not supported"
" in OCP older than 3.9")
# Create DC with POD and attached PVC to it
sc_name = self.create_storage_class()
pvc_name = self.create_and_wait_for_pvc(sc_name=sc_name)
dc_name, pod_name = self.create_dc_with_pvc(pvc_name)
# Delete PVC
oc_delete(self.node, 'pvc', self.pvc_name)
with self.assertRaises(ExecutionError):
wait_for_resource_absence(self.node,
'pvc',
self.pvc_name,
interval=3,
timeout=30)
# Make sure we are able to work with files on the mounted volume
# after deleting pvc.
filepath = "/mnt/file_for_testing_volume.log"
cmd = "dd if=/dev/urandom of=%s bs=1K count=100" % filepath
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(
ret, 0, "Failed to execute command %s on %s" % (cmd, self.node))
def test_restart_gluster_block_provisioner_pod(self):
"""Restart gluster-block provisioner pod
"""
# create heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=5, json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 5")
self.addCleanup(heketi_blockvolume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# restart gluster-block-provisioner-pod
dc_name = "glusterblock-%s-provisioner-dc" % self.storage_project_name
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
oc_delete(self.ocp_master_node[0], 'pod', pod_name)
wait_for_resource_absence(self.ocp_master_node[0], 'pod', pod_name)
# new gluster-pod name
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0], pod_name)
# create new heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=2, json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 2")
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url,
vol_info['id'])
def test_restart_gluster_block_provisioner_pod(self):
"""Restart gluster-block provisioner pod
"""
# create heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=5,
json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 5")
self.addCleanup(heketi_blockvolume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
# restart gluster-block-provisioner-pod
dc_name = "glusterblock-%s-provisioner-dc" % self.storage_project_name
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
oc_delete(self.ocp_master_node[0], 'pod', pod_name)
wait_for_resource_absence(self.ocp_master_node[0], 'pod', pod_name)
# new gluster-pod name
pod_name = get_pod_name_from_dc(self.ocp_master_node[0], dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0], pod_name)
# create new heketi block volume
vol_info = heketi_blockvolume_create(self.heketi_client_node,
self.heketi_server_url,
size=2,
json=True)
self.assertTrue(vol_info, "Failed to create heketi block"
"volume of size 2")
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url, vol_info['id'])
def test_node_failure_pv_mounted(self):
"""Test node failure when PV is mounted with app pods running"""
filepath = "/mnt/file_for_testing_volume.log"
pvc_name = self.create_and_wait_for_pvc()
dc_and_pod_names = self.create_dcs_with_pvc(pvc_name)
dc_name, pod_name = dc_and_pod_names[pvc_name]
mount_point = "df -kh /mnt -P | tail -1 | awk '{{print $1}}'"
pod_cmd = "oc exec {} -- {}".format(pod_name, mount_point)
hostname = command.cmd_run(pod_cmd, hostname=self.node)
hostname = hostname.split(":")[0]
vm_name = find_vm_name_by_ip_or_hostname(hostname)
self.addCleanup(power_on_vm_by_name, vm_name)
power_off_vm_by_name(vm_name)
cmd = "dd if=/dev/urandom of={} bs=1K count=100".format(filepath)
ret, _, err = oc_rsh(self.node, pod_name, cmd)
self.assertFalse(
ret, "Failed to execute command {} on {} with error {}".format(
cmd, self.node, err))
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)
ret, _, err = oc_rsh(self.node, pod_name, cmd)
self.assertFalse(
ret, "Failed to execute command {} on {} with error {}".format(
cmd, self.node, err))
def test_heketi_logs_after_heketi_pod_restart(self):
h_node, h_server = self.heketi_client_node, self.heketi_server_url
find_string_in_log = r"Started background pending operations cleaner"
ocp_node = self.ocp_master_node[0]
# Restart heketi pod
heketi_pod_name = get_pod_name_from_dc(ocp_node, self.heketi_dc_name)
oc_delete(ocp_node,
'pod',
heketi_pod_name,
collect_logs=self.heketi_logs_before_delete)
self.addCleanup(self._heketi_pod_delete_cleanup)
wait_for_resource_absence(ocp_node, 'pod', heketi_pod_name)
heketi_pod_name = get_pod_name_from_dc(ocp_node, self.heketi_dc_name)
wait_for_pod_be_ready(ocp_node, heketi_pod_name)
self.assertTrue(hello_heketi(h_node, h_server),
"Heketi server {} is not alive".format(h_server))
# Collect logs after heketi pod restart
cmd = "oc logs {}".format(heketi_pod_name)
out = cmd_run(cmd, hostname=ocp_node)
# Validate string is present in heketi logs
pending_check = re.compile(find_string_in_log)
entry_list = pending_check.findall(out)
self.assertIsNotNone(entry_list,
"Failed to find entries in heketi logs")
for entry in entry_list:
self.assertEqual(
entry, find_string_in_log,
"Failed to validate, Expected {}; Actual {}".format(
find_string_in_log, entry))
def test_pvc_deletion_while_pod_is_running(self):
"""Validate PVC deletion while pod is running"""
if get_openshift_version() <= "3.9":
self.skipTest(
"PVC deletion while pod is running is not supported"
" in OCP older than 3.9")
# Create DC with POD and attached PVC to it
sc_name = self.create_storage_class()
pvc_name = self.create_and_wait_for_pvc(sc_name=sc_name)
dc_name, pod_name = self.create_dc_with_pvc(pvc_name)
# Delete PVC
oc_delete(self.node, 'pvc', self.pvc_name)
with self.assertRaises(ExecutionError):
wait_for_resource_absence(
self.node, 'pvc', self.pvc_name, interval=3, timeout=30)
# Make sure we are able to work with files on the mounted volume
# after deleting pvc.
filepath = "/mnt/file_for_testing_volume.log"
cmd = "dd if=/dev/urandom of=%s bs=1K count=100" % filepath
ret, out, err = oc_rsh(self.node, pod_name, cmd)
self.assertEqual(
ret, 0, "Failed to execute command %s on %s" % (cmd, self.node))
def _guster_pod_delete_cleanup(self, g_pod_list_before):
"""Cleanup for deletion of gluster pod using force delete"""
# Switch to gluster project
openshift_ops.switch_oc_project(self._master,
self._registry_project_name)
try:
# Fetch gluster pod after delete
pod_name = self._get_newly_deployed_gluster_pod(g_pod_list_before)
# Check if pod name is empty i.e no new pod come up so use old pod
openshift_ops.wait_for_pod_be_ready(
self._master,
pod_name[0] if pod_name else g_pod_list_before[0],
timeout=1)
except exceptions.ExecutionError:
# Force delete and wait for new pod to come up
openshift_ops.oc_delete(self._master,
'pod',
g_pod_list_before[0],
is_force=True)
openshift_ops.wait_for_resource_absence(self._master, 'pod',
g_pod_list_before[0])
# Fetch gluster pod after force delete
g_new_pod = self._get_newly_deployed_gluster_pod(g_pod_list_before)
openshift_ops.wait_for_pod_be_ready(self._master, g_new_pod[0])
def test_dynamic_provisioning_glusterfile_glusterpod_failure(self):
"""Create glusterblock PVC when gluster pod is down."""
# Check that we work with containerized Gluster
if not self.is_containerized_gluster():
self.skipTest("Only containerized Gluster clusters are supported.")
mount_path = "/mnt"
datafile_path = '%s/fake_file_for_%s' % (mount_path, self.id())
# Create secret and storage class
self.create_storage_class()
# Create PVC
pvc_name = self.create_and_wait_for_pvc()
# Create app POD with attached volume
pod_name = oc_create_tiny_pod_with_volume(self.node,
pvc_name,
"test-pvc-mount-on-app-pod",
mount_path=mount_path)
self.addCleanup(wait_for_resource_absence, self.node, 'pod', pod_name)
self.addCleanup(oc_delete, self.node, 'pod', pod_name)
# Wait for app POD be up and running
wait_for_pod_be_ready(self.node, pod_name, timeout=60, wait_step=2)
# Run IO in background
io_cmd = "oc rsh %s dd if=/dev/urandom of=%s bs=1000K count=900" % (
pod_name, datafile_path)
async_io = g.run_async(self.node, io_cmd, "root")
# Pick up one of the hosts which stores PV brick (4+ nodes case)
gluster_pod_data = get_gluster_pod_names_by_pvc_name(
self.node, pvc_name)[0]
# Delete glusterfs POD from chosen host and wait for spawn of new one
oc_delete(self.node, 'pod', gluster_pod_data["pod_name"])
cmd = ("oc get pods -o wide | grep glusterfs | grep %s | "
"grep -v Terminating | awk '{print $1}'") % (
gluster_pod_data["host_name"])
for w in Waiter(600, 15):
out = self.cmd_run(cmd)
new_gluster_pod_name = out.strip().split("\n")[0].strip()
if not new_gluster_pod_name:
continue
else:
break
if w.expired:
error_msg = "exceeded timeout, new gluster pod not created"
g.log.error(error_msg)
raise ExecutionError(error_msg)
new_gluster_pod_name = out.strip().split("\n")[0].strip()
g.log.info("new gluster pod name is %s" % new_gluster_pod_name)
wait_for_pod_be_ready(self.node, new_gluster_pod_name)
# Check that async IO was not interrupted
ret, out, err = async_io.async_communicate()
self.assertEqual(ret, 0, "IO %s failed on %s" % (io_cmd, self.node))
def _pv_resize(self, exceed_free_space):
dir_path = "/mnt"
pvc_size_gb = 1
available_size_gb = self._available_disk_free_space()
# 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, image=self.io_container_image_cirros)
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:
exceed_size = available_size_gb + 10
# Try to expand existing PVC exceeding free space
resize_pvc(self.node, pvc_name, exceed_size)
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_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_respin_prometheus_pod(self, motive="delete"):
"""Validate respin of prometheus pod"""
if motive == 'drain':
# Get the number of infra nodes
infra_node_count_cmd = (
'oc get nodes '
'--no-headers -l node-role.kubernetes.io/infra=true|wc -l')
infra_node_count = command.cmd_run(
infra_node_count_cmd, self._master)
# Skip test case if number infra nodes are less than #2
if int(infra_node_count) < 2:
self.skipTest('Available number of infra nodes "{}", it should'
' be more than 1'.format(infra_node_count))
# Get PVC names and pod names
pod_names, pvc_names = self._get_pod_names_and_pvc_names()
# Validate iscsi and multipath
for (pvc_name, pod_name) in zip(pvc_names, pod_names):
_, _, node = self.verify_iscsi_sessions_and_multipath(
pvc_name, pod_name[0], rtype='pod',
heketi_server_url=self._registry_heketi_server_url,
is_registry_gluster=True)
# Delete the prometheus pods
if motive == 'delete':
for pod_name in pod_names:
openshift_ops.oc_delete(self._master, 'pod', pod_name[0])
# Drain the node
elif motive == 'drain':
drain_cmd = ('oc adm drain {} --force=true --ignore-daemonsets '
'--delete-local-data'.format(node))
command.cmd_run(drain_cmd, hostname=self._master)
# Cleanup to make node schedulable
cmd_schedule = (
'oc adm manage-node {} --schedulable=true'.format(node))
self.addCleanup(
command.cmd_run, cmd_schedule, hostname=self._master)
# Validate that there should be no or zero pods in non-running state
field_selector, pod_count = "status.phase!=Running", 0
openshift_ops.wait_for_pods_be_ready(
self._master, pod_count, field_selector=field_selector)
# Validate iscsi and multipath
for (pvc_name, pod_name) in zip(pvc_names, pod_names):
self.verify_iscsi_sessions_and_multipath(
pvc_name, pod_name[0], rtype='pod',
heketi_server_url=self._registry_heketi_server_url,
is_registry_gluster=True)
# Try to fetch metric from prometheus pod
self._fetch_metric_from_promtheus_pod(metric='kube_node_info')
def test_restart_heketi_pod(self):
"""Validate restarting heketi pod"""
# create heketi volume
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
size=1,
json=True)
self.assertTrue(vol_info, "Failed to create heketi volume of size 1")
self.addCleanup(heketi_volume_delete,
self.heketi_client_node,
self.heketi_server_url,
vol_info['id'],
raise_on_error=False)
topo_info = heketi_topology_info(self.heketi_client_node,
self.heketi_server_url,
json=True)
# get heketi-pod name
heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
# delete heketi-pod (it restarts the pod)
oc_delete(self.ocp_master_node[0],
'pod',
heketi_pod_name,
collect_logs=self.heketi_logs_before_delete)
wait_for_resource_absence(self.ocp_master_node[0], 'pod',
heketi_pod_name)
# get new heketi-pod name
heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0], heketi_pod_name)
# check heketi server is running
self.assertTrue(
hello_heketi(self.heketi_client_node, self.heketi_server_url),
"Heketi server %s is not alive" % self.heketi_server_url)
# compare the topology
new_topo_info = heketi_topology_info(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertEqual(
new_topo_info, topo_info, "topology info is not same,"
" difference - %s" % diff(topo_info, new_topo_info))
# create new volume
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
size=2,
json=True)
self.assertTrue(vol_info, "Failed to create heketi volume of size 20")
heketi_volume_delete(self.heketi_client_node, self.heketi_server_url,
vol_info['id'])
def test_pv_resize_with_prefix_for_name(self,
create_vol_name_prefix=False):
"""Validate PV resize with and without name prefix"""
dir_path = "/mnt/"
node = self.ocp_client[0]
# Create PVC
self.create_storage_class(
allow_volume_expansion=True,
create_vol_name_prefix=create_vol_name_prefix)
pvc_name = self.create_and_wait_for_pvc()
# Create DC with POD and attached PVC to it.
dc_name = oc_create_app_dc_with_io(node, pvc_name)
self.addCleanup(oc_delete, node, 'dc', dc_name)
self.addCleanup(scale_dc_pod_amount_and_wait,
node, dc_name, 0)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
if create_vol_name_prefix:
ret = heketi_ops.verify_volume_name_prefix(
node, self.sc['volumenameprefix'],
self.sc['secretnamespace'],
pvc_name, self.heketi_server_url)
self.assertTrue(ret, "verify volnameprefix failed")
cmd = ("dd if=/dev/urandom of=%sfile "
"bs=100K count=1000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0, "failed to execute command %s on %s" % (
cmd, node))
cmd = ("dd if=/dev/urandom of=%sfile2 "
"bs=100K count=10000") % dir_path
with self.assertRaises(AssertionError):
ret, out, err = oc_rsh(node, pod_name, cmd)
msg = ("Command '%s' was expected to fail on '%s' node. "
"But it returned following: ret is '%s', err is '%s' "
"and out is '%s'" % (cmd, node, ret, err, out))
raise ExecutionError(msg)
pvc_size = 2
resize_pvc(node, pvc_name, pvc_size)
verify_pvc_size(node, pvc_name, pvc_size)
pv_name = get_pv_name_from_pvc(node, pvc_name)
verify_pv_size(node, pv_name, pvc_size)
oc_delete(node, 'pod', pod_name)
wait_for_resource_absence(node, 'pod', pod_name)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
cmd = ("dd if=/dev/urandom of=%sfile_new "
"bs=50K count=10000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0, "failed to execute command %s on %s" % (
cmd, node))
def test_prometheus_volume_metrics_on_pod_restart(self):
"""Validate volume metrics using prometheus before and after pod
restart"""
# Create PVC and wait for it to be in 'Bound' state
pvc_name = self.create_and_wait_for_pvc()
pod_name = openshift_ops.oc_create_tiny_pod_with_volume(
self._master, pvc_name, "autotest-volume",
image=self.io_container_image_cirros)
self.addCleanup(openshift_ops.oc_delete, self._master, 'pod', pod_name,
raise_on_absence=False)
# Wait for POD be up and running
openshift_ops.wait_for_pod_be_ready(
self._master, pod_name, timeout=60, wait_step=2)
# Write data on the volume and wait for 2 mins and sleep is must for
# prometheus to get the exact values of the metrics
self._run_io_on_the_pod(pod_name, 30)
time.sleep(120)
# Fetching the metrics and storing in initial_metrics as dictionary
initial_metrics = self._get_and_manipulate_metric_data(
self.metrics, pvc_name)
# Mark the current node unschedulable on which app pod is running
openshift_ops.switch_oc_project(
self._master, self.storage_project_name)
pod_info = openshift_ops.oc_get_pods(self._master, name=pod_name)
openshift_ops.oc_adm_manage_node(
self._master, '--schedulable=false',
nodes=[pod_info[pod_name]["node"]])
self.addCleanup(
openshift_ops.oc_adm_manage_node, self._master,
'--schedulable=true', nodes=[pod_info[pod_name]["node"]])
# Delete the existing pod and create a new pod
openshift_ops.oc_delete(self._master, 'pod', pod_name)
pod_name = openshift_ops.oc_create_tiny_pod_with_volume(
self._master, pvc_name, "autotest-volume")
self.addCleanup(openshift_ops.oc_delete, self._master, 'pod', pod_name)
# Wait for POD be up and running and prometheus to refresh the data
openshift_ops.wait_for_pod_be_ready(
self._master, pod_name, timeout=60, wait_step=2)
time.sleep(120)
# Fetching the metrics and storing in final_metrics as dictionary and
# validating with initial_metrics
final_metrics = self._get_and_manipulate_metric_data(
self.metrics, pvc_name)
self.assertEqual(dict(initial_metrics), dict(final_metrics),
"Metrics are different post pod restart")
def _delete_and_wait_for_new_es_pod_to_come_up(self):
# Force delete and wait for es pod to come up
openshift_ops.switch_oc_project(
self._master, self._logging_project_name)
pod_name = openshift_ops.get_pod_name_from_dc(
self._master, self._logging_es_dc)
openshift_ops.oc_delete(self._master, 'pod', pod_name, is_force=True)
openshift_ops.wait_for_resource_absence(self._master, 'pod', pod_name)
new_pod_name = openshift_ops.get_pod_name_from_dc(
self._master, self._logging_es_dc)
openshift_ops.wait_for_pod_be_ready(
self._master, new_pod_name, timeout=1800)
def test_restart_heketi_pod(self):
"""Validate restarting heketi pod"""
# create heketi volume
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
size=1, json=True)
self.assertTrue(vol_info, "Failed to create heketi volume of size 1")
self.addCleanup(
heketi_volume_delete, self.heketi_client_node,
self.heketi_server_url, vol_info['id'], raise_on_error=False)
topo_info = heketi_topology_info(self.heketi_client_node,
self.heketi_server_url,
json=True)
# get heketi-pod name
heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
# delete heketi-pod (it restarts the pod)
oc_delete(self.ocp_master_node[0], 'pod', heketi_pod_name)
wait_for_resource_absence(self.ocp_master_node[0],
'pod', heketi_pod_name)
# get new heketi-pod name
heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0],
heketi_pod_name)
# check heketi server is running
self.assertTrue(
hello_heketi(self.heketi_client_node, self.heketi_server_url),
"Heketi server %s is not alive" % self.heketi_server_url
)
# compare the topology
new_topo_info = heketi_topology_info(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertEqual(new_topo_info, topo_info, "topology info is not same,"
" difference - %s" % diff(topo_info, new_topo_info))
# create new volume
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
size=2, json=True)
self.assertTrue(vol_info, "Failed to create heketi volume of size 20")
heketi_volume_delete(
self.heketi_client_node, self.heketi_server_url, vol_info['id'])
def test_metrics_during_cassandra_pod_respin(self, motive='delete'):
"""Validate cassandra pod respin"""
old_cassandra_pod, pvc_name, _, _, node = (
self.verify_cassandra_pod_multipath_and_iscsi())
if motive == 'delete':
# Delete the cassandra pod
oc_delete(self.master, 'pod', old_cassandra_pod)
self.addCleanup(self.cassandra_pod_delete_cleanup)
elif motive == 'drain':
# Get the number of infra nodes
infra_node_count_cmd = (
'oc get nodes '
'--no-headers -l node-role.kubernetes.io/infra=true|wc -l')
infra_node_count = command.cmd_run(infra_node_count_cmd,
self.master)
# Skip test case if number infra nodes are less than #2
if int(infra_node_count) < 2:
self.skipTest('Available number of infra nodes "{}", it should'
' be more than 1'.format(infra_node_count))
# Drain the node
drain_cmd = ('oc adm drain {} --force=true --ignore-daemonsets '
'--delete-local-data'.format(node))
command.cmd_run(drain_cmd, hostname=self.master)
# Cleanup to make node schedulable
cmd_schedule = (
'oc adm manage-node {} --schedulable=true'.format(node))
self.addCleanup(command.cmd_run,
cmd_schedule,
hostname=self.master)
# Wait for pod to get absent
wait_for_resource_absence(self.master, 'pod', old_cassandra_pod)
# Wait for new pod to come up
new_cassandra_pod = get_pod_name_from_rc(
self.master, self.metrics_rc_hawkular_cassandra)
wait_for_pod_be_ready(self.master, new_cassandra_pod)
# Validate iscsi and multipath
self.verify_iscsi_sessions_and_multipath(
pvc_name,
self.metrics_rc_hawkular_cassandra,
rtype='rc',
heketi_server_url=self.registry_heketi_server_url,
is_registry_gluster=True)
def _heketi_pod_delete_cleanup(self):
"""Cleanup for deletion of heketi pod using force delete"""
try:
# Fetch heketi pod after delete
pod_name = openshift_ops.get_pod_name_from_dc(
self.node, self.heketi_dc_name)
openshift_ops.wait_for_pod_be_ready(self.node, pod_name, timeout=1)
except exceptions.ExecutionError:
# Force delete and wait for new pod to come up
openshift_ops.oc_delete(self.node, 'pod', pod_name, is_force=True)
openshift_ops.wait_for_resource_absence(self.node, 'pod', pod_name)
new_pod_name = openshift_ops.get_pod_name_from_dc(
self.node, self.heketi_dc_name)
openshift_ops.wait_for_pod_be_ready(self.node, new_pod_name)
def test_pv_resize_with_prefix_for_name(self,
create_vol_name_prefix=False):
"""Validate PV resize with and without name prefix"""
dir_path = "/mnt/"
node = self.ocp_client[0]
# Create PVC
self.create_storage_class(
allow_volume_expansion=True,
create_vol_name_prefix=create_vol_name_prefix)
pvc_name = self.create_and_wait_for_pvc()
# Create DC with POD and attached PVC to it.
dc_name = oc_create_app_dc_with_io(node, pvc_name)
self.addCleanup(oc_delete, node, 'dc', dc_name)
self.addCleanup(scale_dc_pod_amount_and_wait, node, dc_name, 0)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
if create_vol_name_prefix:
ret = heketi_ops.verify_volume_name_prefix(
node, self.sc['volumenameprefix'], self.sc['secretnamespace'],
pvc_name, self.heketi_server_url)
self.assertTrue(ret, "verify volnameprefix failed")
cmd = ("dd if=/dev/urandom of=%sfile " "bs=100K count=1000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0,
"failed to execute command %s on %s" % (cmd, node))
cmd = ("dd if=/dev/urandom of=%sfile2 "
"bs=100K count=10000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertNotEqual(
ret, 0, " This IO did not fail as expected "
"command %s on %s" % (cmd, node))
pvc_size = 2
resize_pvc(node, pvc_name, pvc_size)
verify_pvc_size(node, pvc_name, pvc_size)
pv_name = get_pv_name_from_pvc(node, pvc_name)
verify_pv_size(node, pv_name, pvc_size)
oc_delete(node, 'pod', pod_name)
wait_for_resource_absence(node, 'pod', pod_name)
pod_name = get_pod_name_from_dc(node, dc_name)
wait_for_pod_be_ready(node, pod_name)
cmd = ("dd if=/dev/urandom of=%sfile_new "
"bs=50K count=10000") % dir_path
ret, out, err = oc_rsh(node, pod_name, cmd)
self.assertEqual(ret, 0,
"failed to execute command %s on %s" % (cmd, node))
def _guster_pod_delete_cleanup(self):
"""Cleanup for deletion of gluster pod using force delete"""
try:
# Fetch gluster pod after delete
pod_name = self._get_gluster_pod()
# Check if gluster pod name is ready state
openshift_ops.wait_for_pod_be_ready(self.node, pod_name, timeout=1)
except exceptions.ExecutionError:
# Force delete and wait for new pod to come up
openshift_ops.oc_delete(self.node, 'pod', pod_name, is_force=True)
openshift_ops.wait_for_resource_absence(self.node, 'pod', pod_name)
# Fetch gluster pod after force delete
g_new_pod = self._get_gluster_pod()
openshift_ops.wait_for_pod_be_ready(self.node, g_new_pod)
def test_verify_metrics_data_during_gluster_pod_respin(self):
# Add check for CRS version
switch_oc_project(self.master, self.registry_project_name)
if not self.is_containerized_gluster():
self.skipTest("Skipping this test case as CRS version check "
"can not be implemented")
# Verify multipath and iscsi for cassandra pod
switch_oc_project(self.master, self.metrics_project_name)
hawkular_cassandra, pvc_name, iqn, _, node = (
self.verify_cassandra_pod_multipath_and_iscsi())
# Get the ip of active path
device_and_ip = get_iscsi_block_devices_by_path(node, iqn)
mpath = get_mpath_name_from_device_name(node,
list(device_and_ip.keys())[0])
active_passive_dict = get_active_and_enabled_devices_from_mpath(
node, mpath)
node_ip = device_and_ip[active_passive_dict['active'][0]]
# Get the name of gluster pod from the ip
switch_oc_project(self.master, self.registry_project_name)
gluster_pods = get_ocp_gluster_pod_details(self.master)
pod_name = list(
filter(lambda pod: (pod["pod_host_ip"] == node_ip),
gluster_pods))[0]["pod_name"]
err_msg = "Failed to get the gluster pod name {} with active path"
self.assertTrue(pod_name, err_msg.format(pod_name))
# Delete the pod
oc_delete(self.master, 'pod', pod_name)
wait_for_resource_absence(self.master, 'pod', pod_name)
# Wait for new pod to come up
pod_count = len(self.registry_servers_info.keys())
selector = "glusterfs-node=pod"
wait_for_pods_be_ready(self.master, pod_count, selector)
# Validate cassandra pod state, multipath and issci
switch_oc_project(self.master, self.metrics_project_name)
wait_for_pod_be_ready(self.master, hawkular_cassandra, timeout=2)
self.verify_iscsi_sessions_and_multipath(
pvc_name,
self.metrics_rc_hawkular_cassandra,
rtype='rc',
heketi_server_url=self.registry_heketi_server_url,
is_registry_gluster=True)
def _heketi_pod_delete_cleanup(self):
"""Cleanup for deletion of heketi pod using force delete"""
try:
pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
# Check if heketi pod name is ready state
wait_for_pod_be_ready(self.ocp_master_node[0], pod_name, timeout=1)
except ExecutionError:
# Force delete and wait for new pod to come up
oc_delete(self.ocp_master_node[0], 'pod', pod_name, is_force=True)
wait_for_resource_absence(self.ocp_master_node[0], 'pod', pod_name)
# Fetch heketi pod after force delete
pod_name = get_pod_name_from_dc(self.ocp_master_node[0],
self.heketi_dc_name)
wait_for_pod_be_ready(self.ocp_master_node[0], pod_name)
def cassandra_pod_delete_cleanup(self, raise_on_error=False):
"""Cleanup for deletion of cassandra pod using force delete"""
switch_oc_project(self.master, self.metrics_project_name)
try:
# Check if pod is up or ready
pod_name = get_pod_name_from_rc(self.master,
self.metrics_rc_hawkular_cassandra)
wait_for_pod_be_ready(self.master, pod_name, timeout=1)
except exceptions.ExecutionError as err:
# Force delete and wait for new pod to come up
oc_delete(self.master, 'pod', pod_name, is_force=True)
wait_for_resource_absence(self.master, 'pod', pod_name)
new_pod_name = get_pod_name_from_rc(
self.master, self.metrics_rc_hawkular_cassandra)
wait_for_pod_be_ready(self.master, new_pod_name)
if raise_on_error:
raise err
def test_resping_gluster_pod(self):
"""Validate gluster pod restart with no disruption to elasticsearch pod
"""
restart_custom = ":status.containerStatuses[0].restartCount"
# Fetch pod and validate iscsi and multipath
es_pod, _ = self._get_es_pod_and_verify_iscsi_sessions()
# Fetch the restart count for the es pod
restart_count_before = openshift_ops.oc_get_custom_resource(
self._master, "pod", restart_custom, es_pod)[0]
# Switch to gluster project
openshift_ops.switch_oc_project(self._master,
self._registry_project_name)
# Fetch the gluster pod list before
g_pod_list_before = [
pod["pod_name"]
for pod in openshift_ops.get_ocp_gluster_pod_details(self._master)
]
# Respin a gluster pod
openshift_ops.oc_delete(self._master, "pod", g_pod_list_before[0])
self.addCleanup(self._guster_pod_delete_cleanup, g_pod_list_before)
# Wait for pod to get absent
openshift_ops.wait_for_resource_absence(self._master, "pod",
g_pod_list_before[0])
# Fetch gluster pod after delete
g_new_pod = self._get_newly_deployed_gluster_pod(g_pod_list_before)
openshift_ops.wait_for_pod_be_ready(self._master, g_new_pod[0])
# Switch to logging project
openshift_ops.switch_oc_project(self._master,
self._logging_project_name)
# Fetch the restart count for the es pod
restart_count_after = openshift_ops.oc_get_custom_resource(
self._master, "pod", restart_custom, es_pod)[0]
self.assertEqual(
restart_count_before, restart_count_after,
"Failed disruption to es pod found expecting restart count before"
" {} and after {} for es pod to be equal after gluster pod"
" respin".format(restart_count_before, restart_count_after))
def _guster_pod_delete(self, g_pod_list_before):
"""Delete the gluster pod using force delete"""
openshift_ops.switch_oc_project(
self._master, self._registry_project_name)
# Fetch newly deployed gluster pod after delete
try:
pod_name = self._get_newly_deployed_gluster_pod(g_pod_list_before)
openshift_ops.wait_for_pod_be_ready(
self._master,
pod_name[0] if pod_name else g_pod_list_before[0],
timeout=120, wait_step=6)
except exceptions.ExecutionError:
openshift_ops.oc_delete(
self._master, 'pod', g_pod_list_before[0], is_force=True)
openshift_ops.wait_for_resource_absence(
self._master, 'pod', g_pod_list_before[0])
g_new_pod = self._get_newly_deployed_gluster_pod(g_pod_list_before)
openshift_ops.wait_for_pod_be_ready(self._master, g_new_pod[0])
def _respin_heketi_pod(self):
h_node, h_url = self.heketi_client_node, self.heketi_server_url
ocp_node = self.ocp_master_node[0]
# get heketi-pod name
heketi_pod_name = get_pod_name_from_dc(ocp_node, self.heketi_dc_name)
# delete heketi-pod (it restarts the pod)
oc_delete(ocp_node,
"pod",
heketi_pod_name,
collect_logs=self.heketi_logs_before_delete)
wait_for_resource_absence(ocp_node, "pod", heketi_pod_name)
# get new heketi-pod name
heketi_pod_name = get_pod_name_from_dc(ocp_node, self.heketi_dc_name)
wait_for_pod_be_ready(ocp_node, heketi_pod_name)
# check heketi server is running
err_msg = "Heketi server %s is not alive" % h_url
self.assertTrue(hello_heketi(h_node, h_url), err_msg)
def test_dynamic_provisioning_glusterfile_heketidown_pvc_delete(self):
"""Validate deletion of PVC's when heketi is down"""
# Create storage class, secret and PVCs
self.create_storage_class()
self.pvc_name_list = self.create_and_wait_for_pvcs(
1, 'pvc-heketi-down', 3)
# remove heketi-pod
scale_dc_pod_amount_and_wait(self.ocp_client[0], self.heketi_dc_name,
0, self.storage_project_name)
try:
# delete pvc
for pvc in self.pvc_name_list:
oc_delete(self.ocp_client[0], 'pvc', pvc)
for pvc in self.pvc_name_list:
with self.assertRaises(ExecutionError):
wait_for_resource_absence(self.ocp_client[0],
'pvc',
pvc,
interval=3,
timeout=30)
finally:
# bring back heketi-pod
scale_dc_pod_amount_and_wait(self.ocp_client[0],
self.heketi_dc_name, 1,
self.storage_project_name)
# verify PVC's are deleted
for pvc in self.pvc_name_list:
wait_for_resource_absence(self.ocp_client[0],
'pvc',
pvc,
interval=1,
timeout=120)
# create a new PVC
self.create_and_wait_for_pvc()
def test_dev_path_mapping_heketi_pod_reboot(self):
"""Validate dev path mapping for heketi pod reboot
"""
self.node = self.ocp_master_node[0]
h_node, h_url = self.heketi_client_node, self.heketi_server_url
# 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()
# Fetch heketi-pod name
heketi_pod_name = openshift_ops.get_pod_name_from_dc(
self.node, self.heketi_dc_name)
# Respin heketi-pod (it restarts the pod)
openshift_ops.oc_delete(self.node,
"pod",
heketi_pod_name,
collect_logs=self.heketi_logs_before_delete)
self.addCleanup(self._heketi_pod_delete_cleanup)
openshift_ops.wait_for_resource_absence(self.node, "pod",
heketi_pod_name)
# Fetch new heketi-pod name
heketi_pod_name = openshift_ops.get_pod_name_from_dc(
self.node, self.heketi_dc_name)
openshift_ops.wait_for_pod_be_ready(self.node, heketi_pod_name)
# Check heketi server is running
self.assertTrue(heketi_ops.hello_heketi(h_node, h_url),
"Heketi server {} is not alive".format(h_url))
# Check if IO's are running after respin of heketi pod
use_percent_after = self._get_space_use_percent_in_app_pod(pod_name)
self.assertNotEqual(
use_percent, use_percent_after,
"Failed to execute IO's in the app pod {} after respin".format(
pod_name))
def test_dev_path_mapping_app_pod_with_block_volume_reboot(self):
"""Validate dev path mapping for app pods with block volume after reboot
"""
# Create block 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()
# Delete app pods
openshift_ops.oc_delete(self.node, 'pod', pod_name)
openshift_ops.wait_for_resource_absence(self.node, 'pod', pod_name)
# Wait for the new app pod to come up
self.assertTrue(dc_name,
"Failed to get the dc name from {}".format(dc_name))
pod_name = openshift_ops.get_pod_name_from_dc(self.node, dc_name)
openshift_ops.wait_for_pod_be_ready(self.node, pod_name)
# Check if IO's are running after respin of app pod
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_dynamic_provisioning_glusterblock_heketidown_pvc_delete(self):
"""Validate PVC deletion when heketi is down"""
# Create Secret, SC and PVCs
self.create_storage_class()
self.pvc_name_list = self.create_and_wait_for_pvcs(
1, 'pvc-heketi-down', 3)
# remove heketi-pod
scale_dc_pod_amount_and_wait(self.ocp_client[0],
self.heketi_dc_name,
0,
self.storage_project_name)
try:
# delete pvc
for pvc in self.pvc_name_list:
oc_delete(self.ocp_client[0], 'pvc', pvc)
for pvc in self.pvc_name_list:
with self.assertRaises(ExecutionError):
wait_for_resource_absence(
self.ocp_client[0], 'pvc', pvc,
interval=3, timeout=30)
finally:
# bring back heketi-pod
scale_dc_pod_amount_and_wait(self.ocp_client[0],
self.heketi_dc_name,
1,
self.storage_project_name)
# verify PVC's are deleted
for pvc in self.pvc_name_list:
wait_for_resource_absence(self.ocp_client[0], 'pvc',
pvc,
interval=1, timeout=120)
# create a new PVC
self.create_and_wait_for_pvc()
def test_dynamic_provisioning_glusterblock_reclaim_policy_retain(self):
"""Validate retain policy for gluster-block after PVC deletion"""
if get_openshift_version() < "3.9":
self.skipTest(
"'Reclaim' feature is not supported in OCP older than 3.9")
self.create_storage_class(reclaim_policy='Retain')
self.create_and_wait_for_pvc()
dc_name = oc_create_app_dc_with_io(self.node, self.pvc_name)
try:
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
finally:
scale_dc_pod_amount_and_wait(self.node, dc_name, pod_amount=0)
oc_delete(self.node, 'dc', dc_name)
# get the name of volume
pv_name = get_pv_name_from_pvc(self.node, self.pvc_name)
custom = [
r':.metadata.annotations."gluster\.org\/volume\-id"',
r':.spec.persistentVolumeReclaimPolicy'
]
vol_id, reclaim_policy = oc_get_custom_resource(
self.node, 'pv', custom, pv_name)
# checking the retainPolicy of pvc
self.assertEqual(reclaim_policy, 'Retain')
# delete the pvc
oc_delete(self.node, 'pvc', self.pvc_name)
# check if pv is also deleted or not
with self.assertRaises(ExecutionError):
wait_for_resource_absence(self.node,
'pvc',
self.pvc_name,
interval=3,
timeout=30)
# getting the blockvol list
blocklist = heketi_blockvolume_list(self.heketi_client_node,
self.heketi_server_url)
self.assertIn(vol_id, blocklist)
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url, vol_id)
blocklist = heketi_blockvolume_list(self.heketi_client_node,
self.heketi_server_url)
self.assertNotIn(vol_id, blocklist)
oc_delete(self.node, 'pv', pv_name)
wait_for_resource_absence(self.node, 'pv', pv_name)
def test_dynamic_provisioning_glusterblock_reclaim_policy_retain(self):
"""Validate retain policy for gluster-block after PVC deletion"""
if get_openshift_version() < "3.9":
self.skipTest(
"'Reclaim' feature is not supported in OCP older than 3.9")
self.create_storage_class(reclaim_policy='Retain')
self.create_and_wait_for_pvc()
dc_name = oc_create_app_dc_with_io(self.node, self.pvc_name)
try:
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
finally:
scale_dc_pod_amount_and_wait(self.node, dc_name, pod_amount=0)
oc_delete(self.node, 'dc', dc_name)
# get the name of volume
pv_name = get_pv_name_from_pvc(self.node, self.pvc_name)
custom = [r':.metadata.annotations."gluster\.org\/volume\-id"',
r':.spec.persistentVolumeReclaimPolicy']
vol_id, reclaim_policy = oc_get_custom_resource(
self.node, 'pv', custom, pv_name)
# checking the retainPolicy of pvc
self.assertEqual(reclaim_policy, 'Retain')
# delete the pvc
oc_delete(self.node, 'pvc', self.pvc_name)
# check if pv is also deleted or not
with self.assertRaises(ExecutionError):
wait_for_resource_absence(
self.node, 'pvc', self.pvc_name, interval=3, timeout=30)
# getting the blockvol list
blocklist = heketi_blockvolume_list(self.heketi_client_node,
self.heketi_server_url)
self.assertIn(vol_id, blocklist)
heketi_blockvolume_delete(self.heketi_client_node,
self.heketi_server_url, vol_id)
blocklist = heketi_blockvolume_list(self.heketi_client_node,
self.heketi_server_url)
self.assertNotIn(vol_id, blocklist)
oc_delete(self.node, 'pv', pv_name)
wait_for_resource_absence(self.node, 'pv', pv_name)
def test_dynamic_provisioning_glusterfile_reclaim_policy_retain(self):
"""Validate retain policy for glusterfs after deletion of pvc"""
if get_openshift_version() < "3.9":
self.skipTest(
"'Reclaim' feature is not supported in OCP older than 3.9")
self.create_storage_class(reclaim_policy='Retain')
self.create_and_wait_for_pvc()
# get the name of the volume
pv_name = get_pv_name_from_pvc(self.node, self.pvc_name)
custom = [r':.metadata.annotations.'
r'"gluster\.kubernetes\.io\/heketi\-volume\-id"',
r':.spec.persistentVolumeReclaimPolicy']
vol_id, reclaim_policy = oc_get_custom_resource(
self.node, 'pv', custom, pv_name)
self.assertEqual(reclaim_policy, 'Retain')
# Create DC with POD and attached PVC to it.
try:
dc_name = oc_create_app_dc_with_io(self.node, self.pvc_name)
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
finally:
scale_dc_pod_amount_and_wait(self.node, dc_name, 0)
oc_delete(self.node, 'dc', dc_name)
wait_for_resource_absence(self.node, 'pod', pod_name)
oc_delete(self.node, 'pvc', self.pvc_name)
with self.assertRaises(ExecutionError):
wait_for_resource_absence(
self.node, 'pvc', self.pvc_name, interval=3, timeout=30)
heketi_volume_delete(self.heketi_client_node,
self.heketi_server_url, vol_id)
vol_list = heketi_volume_list(self.heketi_client_node,
self.heketi_server_url)
self.assertNotIn(vol_id, vol_list)
oc_delete(self.node, 'pv', pv_name)
wait_for_resource_absence(self.node, 'pv', pv_name)
def test_create_delete_pvcs_to_make_gluster_reuse_released_space(self):
"""Validate reuse of volume space after deletion of PVCs"""
min_storage_gb = 10
# Set arbiter:disabled tags to the first 2 nodes
data_nodes = []
biggest_disks = []
self.assertGreater(len(self.node_id_list), 2)
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)
biggest_disk_free_space = 0
for device in node_info['devices']:
disk_free_space = int(device['storage']['free'])
if disk_free_space < (min_storage_gb * 1024**2):
self.skipTest(
"Devices are expected to have more than "
"%sGb of free space" % min_storage_gb)
if disk_free_space > biggest_disk_free_space:
biggest_disk_free_space = disk_free_space
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'device',
device['id'], 'disabled',
revert_to=device.get('tags', {}).get('arbiter'))
biggest_disks.append(biggest_disk_free_space)
self._set_arbiter_tag_with_further_revert(
self.heketi_client_node, self.heketi_server_url, 'node',
node_id, 'disabled',
revert_to=node_info.get('tags', {}).get('arbiter'))
data_nodes.append(node_info)
# Set arbiter:required tag to all other nodes and their devices
arbiter_nodes = []
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)
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',
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, 'required',
revert_to=node_info.get('tags', {}).get('arbiter'))
arbiter_nodes.append(node_info)
# Calculate size and amount of volumes to be created
pvc_size = int(min(biggest_disks) / 1024**2)
pvc_amount = max([len(n['devices']) for n in data_nodes]) + 1
# Create sc with gluster arbiter info
self.create_storage_class(is_arbiter_vol=True)
# Create and delete 3 small volumes concurrently
pvc_names = []
for i in range(3):
pvc_name = oc_create_pvc(
self.node, self.sc_name, pvc_name_prefix='arbiter-pvc',
pvc_size=int(pvc_size / 3))
pvc_names.append(pvc_name)
exception_exists = False
for pvc_name in pvc_names:
try:
verify_pvc_status_is_bound(self.node, pvc_name)
except Exception:
for pvc_name in pvc_names:
self.addCleanup(
wait_for_resource_absence, self.node, 'pvc', pvc_name)
for pvc_name in pvc_names:
self.addCleanup(oc_delete, self.node, 'pvc', pvc_name)
exception_exists = True
if exception_exists:
raise
for pvc_name in pvc_names:
oc_delete(self.node, 'pvc', pvc_name)
for pvc_name in pvc_names:
wait_for_resource_absence(self.node, 'pvc', pvc_name)
# Create and delete big volumes in a loop
for i in range(pvc_amount):
pvc_name = oc_create_pvc(
self.node, self.sc_name, pvc_name_prefix='arbiter-pvc',
pvc_size=pvc_size)
try:
verify_pvc_status_is_bound(self.node, pvc_name)
except Exception:
self.addCleanup(
wait_for_resource_absence, self.node, 'pvc', pvc_name)
self.addCleanup(oc_delete, self.node, 'pvc', pvc_name)
raise
oc_delete(self.node, 'pvc', pvc_name)
wait_for_resource_absence(self.node, 'pvc', pvc_name)
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 initiator_side_failures(self):
# get storage ips of glusterfs pods
keys = self.gluster_servers
gluster_ips = []
for key in keys:
gluster_ips.append(self.gluster_servers_info[key]['storage'])
gluster_ips.sort()
self.create_storage_class()
self.create_and_wait_for_pvc()
# find iqn and hacount from volume info
pv_name = get_pv_name_from_pvc(self.node, self.pvc_name)
custom = [r':.metadata.annotations."gluster\.org\/volume\-id"']
vol_id = oc_get_custom_resource(self.node, 'pv', custom, pv_name)[0]
vol_info = heketi_blockvolume_info(
self.heketi_client_node, self.heketi_server_url, vol_id, json=True)
iqn = vol_info['blockvolume']['iqn']
hacount = int(self.sc['hacount'])
# create app pod
dc_name, pod_name = self.create_dc_with_pvc(self.pvc_name)
# When we have to verify iscsi login devices & mpaths, we run it twice
for i in range(2):
# get node hostname from pod info
pod_info = oc_get_pods(
self.node, selector='deploymentconfig=%s' % dc_name)
node = pod_info[pod_name]['node']
# get the iscsi sessions info from the node
iscsi = get_iscsi_session(node, iqn)
self.assertEqual(hacount, len(iscsi))
iscsi.sort()
self.assertEqual(set(iscsi), (set(gluster_ips) & set(iscsi)))
# get the paths info from the node
devices = get_iscsi_block_devices_by_path(node, iqn).keys()
self.assertEqual(hacount, len(devices))
# get mpath names and verify that only one mpath is there
mpaths = set()
for device in devices:
mpaths.add(get_mpath_name_from_device_name(node, device))
self.assertEqual(1, len(mpaths))
validate_multipath_pod(
self.node, pod_name, hacount, mpath=list(mpaths)[0])
# When we have to verify iscsi session logout, we run only once
if i == 1:
break
# make node unschedulabe where pod is running
oc_adm_manage_node(
self.node, '--schedulable=false', nodes=[node])
# make node schedulabe where pod is running
self.addCleanup(
oc_adm_manage_node, self.node, '--schedulable=true',
nodes=[node])
# delete pod so it get respun on any other node
oc_delete(self.node, 'pod', pod_name)
wait_for_resource_absence(self.node, 'pod', pod_name)
# wait for pod to come up
pod_name = get_pod_name_from_dc(self.node, dc_name)
wait_for_pod_be_ready(self.node, pod_name)
# get the iscsi session from the previous node to verify logout
iscsi = get_iscsi_session(node, iqn, raise_on_error=False)
self.assertFalse(iscsi)
