diff options
author | nigoyal <nigoyal@redhat.com> | 2019-03-07 15:40:12 +0530 |
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committer | nigoyal <nigoyal@redhat.com> | 2019-03-07 15:40:12 +0530 |
commit | 9bcec5a15f8c52fb5615e469e31a01fe08523a29 (patch) | |
tree | f47986e5ecfbdb88794bc4c19c9d5da07abd6ebb /tests/functional/provisioning/test_dynamic_provisioning_block.py | |
parent | 3de9a4ea9623cd3a928ce30cbae3364beeac5edb (diff) |
Rename test module
Rename test module to remove P0 from its name.
Which will let us comsume same files for adding other priority test
cases as well.
Change-Id: I66cbb34ba7ecee1130b7d55952310955a9fe8722
Diffstat (limited to 'tests/functional/provisioning/test_dynamic_provisioning_block.py')
-rw-r--r-- | tests/functional/provisioning/test_dynamic_provisioning_block.py | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/tests/functional/provisioning/test_dynamic_provisioning_block.py b/tests/functional/provisioning/test_dynamic_provisioning_block.py new file mode 100644 index 00000000..3adbcd43 --- /dev/null +++ b/tests/functional/provisioning/test_dynamic_provisioning_block.py @@ -0,0 +1,494 @@ +from unittest import skip + +from cnslibs.common.baseclass import GlusterBlockBaseClass +from cnslibs.common.cns_libs import ( + get_iscsi_block_devices_by_path, + get_iscsi_session, + get_mpath_name_from_device_name, + validate_multipath_pod, + ) +from cnslibs.common.command import cmd_run +from cnslibs.common.exceptions import ExecutionError +from cnslibs.common.openshift_ops import ( + cmd_run_on_gluster_pod_or_node, + get_gluster_pod_names_by_pvc_name, + get_pod_name_from_dc, + get_pv_name_from_pvc, + oc_adm_manage_node, + oc_create_app_dc_with_io, + oc_create_pvc, + oc_delete, + oc_get_custom_resource, + oc_get_pods, + oc_get_schedulable_nodes, + oc_rsh, + scale_dc_pod_amount_and_wait, + verify_pvc_status_is_bound, + wait_for_pod_be_ready, + wait_for_resource_absence + ) +from cnslibs.common.heketi_ops import ( + heketi_blockvolume_delete, + heketi_blockvolume_info, + heketi_blockvolume_list + ) +from cnslibs.common.waiter import Waiter +from glusto.core import Glusto as g + + +class TestDynamicProvisioningBlockP0(GlusterBlockBaseClass): + ''' + Class that contain P0 dynamic provisioning test cases + for block volume + ''' + + def setUp(self): + super(TestDynamicProvisioningBlockP0, self).setUp() + self.node = self.ocp_master_node[0] + + def dynamic_provisioning_glusterblock( + self, set_hacount, create_vol_name_prefix=False): + datafile_path = '/mnt/fake_file_for_%s' % self.id() + + # Create DC with attached PVC + sc_name = self.create_storage_class( + set_hacount=set_hacount, + create_vol_name_prefix=create_vol_name_prefix) + pvc_name = self.create_and_wait_for_pvc( + pvc_name_prefix='autotest-block', sc_name=sc_name) + dc_name, pod_name = self.create_dc_with_pvc(pvc_name) + + # Check that we can write data + for cmd in ("dd if=/dev/urandom of=%s bs=1K count=100", + "ls -lrt %s", + "rm -rf %s"): + cmd = cmd % datafile_path + ret, out, err = oc_rsh(self.node, pod_name, cmd) + self.assertEqual( + ret, 0, + "Failed to execute '%s' command on '%s'." % (cmd, self.node)) + + def test_dynamic_provisioning_glusterblock_hacount_true(self): + """Validate dynamic provisioning for glusterblock + """ + self.dynamic_provisioning_glusterblock(set_hacount=True) + + def test_dynamic_provisioning_glusterblock_hacount_false(self): + """Validate storage-class mandatory parameters for block + """ + self.dynamic_provisioning_glusterblock(set_hacount=False) + + def test_dynamic_provisioning_glusterblock_heketipod_failure(self): + """Validate PVC with glusterblock creation when heketi pod is down""" + datafile_path = '/mnt/fake_file_for_%s' % self.id() + + # Create DC with attached PVC + sc_name = self.create_storage_class() + app_1_pvc_name = self.create_and_wait_for_pvc( + pvc_name_prefix='autotest-block', sc_name=sc_name) + app_1_dc_name, app_1_pod_name = self.create_dc_with_pvc(app_1_pvc_name) + + # Write test data + write_data_cmd = ( + "dd if=/dev/urandom of=%s bs=1K count=100" % datafile_path) + ret, out, err = oc_rsh(self.node, app_1_pod_name, write_data_cmd) + self.assertEqual( + ret, 0, + "Failed to execute command %s on %s" % (write_data_cmd, self.node)) + + # Remove Heketi pod + heketi_down_cmd = "oc scale --replicas=0 dc/%s --namespace %s" % ( + self.heketi_dc_name, self.storage_project_name) + heketi_up_cmd = "oc scale --replicas=1 dc/%s --namespace %s" % ( + self.heketi_dc_name, self.storage_project_name) + self.addCleanup(self.cmd_run, heketi_up_cmd) + heketi_pod_name = get_pod_name_from_dc( + self.node, self.heketi_dc_name, timeout=10, wait_step=3) + self.cmd_run(heketi_down_cmd) + wait_for_resource_absence(self.node, 'pod', heketi_pod_name) + + # Create second PVC + app_2_pvc_name = oc_create_pvc( + self.node, pvc_name_prefix='autotest-block2', sc_name=sc_name + ) + self.addCleanup( + wait_for_resource_absence, self.node, 'pvc', app_2_pvc_name) + self.addCleanup( + oc_delete, self.node, 'pvc', app_2_pvc_name + ) + + # Create second app POD + app_2_dc_name = oc_create_app_dc_with_io(self.node, app_2_pvc_name) + self.addCleanup(oc_delete, self.node, 'dc', app_2_dc_name) + self.addCleanup( + scale_dc_pod_amount_and_wait, self.node, app_2_dc_name, 0) + app_2_pod_name = get_pod_name_from_dc(self.node, app_2_dc_name) + + # Bring Heketi pod back + self.cmd_run(heketi_up_cmd) + + # Wait for Heketi POD be up and running + new_heketi_pod_name = get_pod_name_from_dc( + self.node, self.heketi_dc_name, timeout=10, wait_step=2) + wait_for_pod_be_ready( + self.node, new_heketi_pod_name, wait_step=5, timeout=120) + + # Wait for second PVC and app POD be ready + verify_pvc_status_is_bound(self.node, app_2_pvc_name) + wait_for_pod_be_ready( + self.node, app_2_pod_name, timeout=150, wait_step=3) + + # Verify that we are able to write data + ret, out, err = oc_rsh(self.node, app_2_pod_name, write_data_cmd) + self.assertEqual( + ret, 0, + "Failed to execute command %s on %s" % (write_data_cmd, self.node)) + + @skip("Blocked by BZ-1632873") + def test_dynamic_provisioning_glusterblock_glusterpod_failure(self): + """Create glusterblock PVC when gluster pod is down""" + datafile_path = '/mnt/fake_file_for_%s' % self.id() + + # Create DC with attached PVC + sc_name = self.create_storage_class() + pvc_name = self.create_and_wait_for_pvc( + pvc_name_prefix='autotest-block', sc_name=sc_name) + dc_name, pod_name = self.create_dc_with_pvc(pvc_name) + + # 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, 30): + 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_glusterblock_logs_presence_verification(self): + """Validate presence of glusterblock provisioner POD and it's status""" + gb_prov_cmd = ("oc get pods --all-namespaces " + "-l glusterfs=block-%s-provisioner-pod " + "-o=custom-columns=:.metadata.name,:.status.phase" % ( + self.storage_project_name)) + ret, out, err = g.run(self.ocp_client[0], gb_prov_cmd, "root") + + self.assertEqual(ret, 0, "Failed to get Glusterblock provisioner POD.") + gb_prov_name, gb_prov_status = out.split() + self.assertEqual(gb_prov_status, 'Running') + + # Create Secret, SC and PVC + self.create_storage_class() + self.create_and_wait_for_pvc() + + # Get list of Gluster nodes + g_hosts = list(g.config.get("gluster_servers", {}).keys()) + self.assertGreater( + len(g_hosts), 0, + "We expect, at least, one Gluster Node/POD:\n %s" % g_hosts) + + # Perform checks on Gluster nodes/PODs + logs = ("gluster-block-configshell", "gluster-blockd") + + gluster_pods = oc_get_pods( + self.ocp_client[0], selector="glusterfs-node=pod") + if gluster_pods: + cmd = "tail -n 5 /var/log/glusterfs/gluster-block/%s.log" + else: + cmd = "tail -n 5 /var/log/gluster-block/%s.log" + for g_host in g_hosts: + for log in logs: + out = cmd_run_on_gluster_pod_or_node( + self.ocp_client[0], cmd % log, gluster_node=g_host) + self.assertTrue(out, "Command '%s' output is empty." % cmd) + + 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_recreate_app_pod_with_attached_block_pv(self): + """Validate app pod attached block device I/O after restart""" + datafile_path = '/mnt/temporary_test_file' + + # Create DC with POD and attached PVC to it + sc_name = self.create_storage_class() + pvc_name = self.create_and_wait_for_pvc( + pvc_name_prefix='autotest-block', sc_name=sc_name) + dc_name, pod_name = self.create_dc_with_pvc(pvc_name) + + # Write data + write_cmd = "oc exec %s -- dd if=/dev/urandom of=%s bs=4k count=10000" + self.cmd_run(write_cmd % (pod_name, datafile_path)) + + # Recreate app POD + scale_dc_pod_amount_and_wait(self.node, dc_name, 0) + scale_dc_pod_amount_and_wait(self.node, dc_name, 1) + new_pod_name = get_pod_name_from_dc(self.node, dc_name) + + # Check presence of already written file + check_existing_file_cmd = ( + "oc exec %s -- ls %s" % (new_pod_name, datafile_path)) + out = self.cmd_run(check_existing_file_cmd) + self.assertIn(datafile_path, out) + + # Perform I/O on the new POD + self.cmd_run(write_cmd % (new_pod_name, datafile_path)) + + def test_volname_prefix_glusterblock(self): + """Validate custom volname prefix blockvol""" + + self.dynamic_provisioning_glusterblock( + set_hacount=False, create_vol_name_prefix=True) + + pv_name = get_pv_name_from_pvc(self.node, self.pvc_name) + vol_name = oc_get_custom_resource( + self.node, 'pv', + ':.metadata.annotations.glusterBlockShare', pv_name)[0] + + block_vol_list = heketi_blockvolume_list( + self.heketi_client_node, self.heketi_server_url) + + self.assertIn(vol_name, block_vol_list) + + self.assertTrue(vol_name.startswith( + self.sc.get('volumenameprefix', 'autotest'))) + + def test_dynamic_provisioning_glusterblock_reclaim_policy_retain(self): + """Validate retain policy for gluster-block after PVC deletion""" + + 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 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) + + def test_initiator_side_failures_initiator_and_target_on_different_node( + self): + + nodes = oc_get_schedulable_nodes(self.node) + + # get list of all gluster nodes + cmd = ("oc get pods --no-headers -l glusterfs-node=pod " + "-o=custom-columns=:.spec.nodeName") + g_nodes = cmd_run(cmd, self.node) + g_nodes = g_nodes.split('\n') if g_nodes else g_nodes + + # skip test case if required schedulable node count not met + if len(set(nodes) - set(g_nodes)) < 2: + self.skipTest("skipping test case because it needs at least two" + " nodes schedulable") + + # make containerized Gluster nodes unschedulable + if g_nodes: + # make gluster nodes unschedulable + oc_adm_manage_node( + self.node, '--schedulable=false', + nodes=g_nodes) + + # make gluster nodes schedulable + self.addCleanup( + oc_adm_manage_node, self.node, '--schedulable=true', + nodes=g_nodes) + + self.initiator_side_failures() + + def test_initiator_side_failures_initiator_and_target_on_same_node(self): + # Note: This test case is supported for containerized gluster only. + + nodes = oc_get_schedulable_nodes(self.node) + + # get list of all gluster nodes + cmd = ("oc get pods --no-headers -l glusterfs-node=pod " + "-o=custom-columns=:.spec.nodeName") + g_nodes = cmd_run(cmd, self.node) + g_nodes = g_nodes.split('\n') if g_nodes else g_nodes + + # get the list of nodes other than gluster + o_nodes = list((set(nodes) - set(g_nodes))) + + # skip the test case if it is crs setup + if not g_nodes: + self.skipTest("skipping test case because it is not a " + "containerized gluster setup. " + "This test case is for containerized gluster only.") + + # make other nodes unschedulable + oc_adm_manage_node( + self.node, '--schedulable=false', nodes=o_nodes) + + # make other nodes schedulable + self.addCleanup( + oc_adm_manage_node, self.node, '--schedulable=true', nodes=o_nodes) + + self.initiator_side_failures() |