diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/functional/provisioning/test_pv_resize.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/tests/functional/provisioning/test_pv_resize.py b/tests/functional/provisioning/test_pv_resize.py index 2ec469a2..e0ef9e66 100644 --- a/tests/functional/provisioning/test_pv_resize.py +++ b/tests/functional/provisioning/test_pv_resize.py @@ -166,6 +166,23 @@ class TestPvResizeClass(BaseClass): available_size_gb = int(min(nodes.values()) / (1024**2)) return available_size_gb + def _write_file(self, pod_name, filename, filesize, mnt_path): + # write file + cmd = ('dd if=/dev/zero of={}/{} bs={} count=1'.format( + mnt_path, filename, filesize)) + ret, _, err = oc_rsh(self.node, pod_name, cmd) + self.assertFalse(ret, 'Failed to write file due to err {}'.format(err)) + wait_for_pod_be_ready(self.node, pod_name) + + def _get_mount_size(self, pod_name, mnt_path): + cmd = ("df -h | grep {} | tail -1 | awk '{{print $4}}'".format( + mnt_path)) + ret, out, err = oc_rsh(self.node, pod_name, cmd) + self.assertFalse(ret, 'Failed to get size due to err {} in {}'.format( + err, mnt_path)) + + return out + def _pv_resize(self, exceed_free_space): dir_path = "/mnt" pvc_size_gb = 1 @@ -372,3 +389,78 @@ class TestPvResizeClass(BaseClass): self.ocp_master_node[0], pvc_name, available_size_gb + 1) resize_pvc(self.ocp_master_node[0], pvc_name, available_size_gb) verify_pvc_size(self.ocp_master_node[0], pvc_name, available_size_gb) + + @pytest.mark.tier1 + 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']))) |