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from unittest import skip
from glusto.core import Glusto as g
from cnslibs.common.heketi_ops import (heketi_volume_delete,
heketi_volume_create,
heketi_volume_expand,
heketi_volume_info,
heketi_device_add,
heketi_device_enable,
heketi_device_disable,
heketi_device_remove,
heketi_device_delete,
heketi_node_info,
heketi_node_list)
from cnslibs.common.heketi_libs import HeketiBaseClass
from cnslibs.common.exceptions import ExecutionError
class TestHeketiVolumeOperations(HeketiBaseClass):
"""
Class to test heketi volume operations - create, expand
"""
@classmethod
def setUpClass(cls):
super(TestHeketiVolumeOperations, cls).setUpClass()
cls.volume_id = None
cls.volume_size = 1
def volume_cleanup(self, volume_id):
"""
Method to cleanup volume in self.addCleanup()
"""
if volume_id is not None:
out = heketi_volume_delete(self.heketi_client_node,
self.heketi_server_url,
volume_id)
output_str = 'Volume %s deleted' % volume_id
if output_str not in out:
raise ExecutionError("Failed to delete heketi volume of"
"id %s" % volume_id)
def add_device(self, device_name, node_id):
"""
Adds a device through heketi-cli
"""
ret = heketi_device_add(self.heketi_client_node,
self.heketi_server_url,
device_name,
node_id)
self.assertTrue(ret, ("Failed to add a device %s" % device_name))
def detach_devices_attached(self, device_id_list):
"""
All the devices attached are gracefully
detached in this function
"""
if not isinstance(device_id_list, (list, set, tuple)):
device_id_list = [device_id_list]
for device_id in device_id_list:
device_disable = heketi_device_disable(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_disable, False,
"Device %s could not be disabled" % device_id)
device_remove = heketi_device_remove(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_remove, False,
"Device %s could not be removed" % device_id)
device_delete = heketi_device_delete(
self.heketi_client_node, self.heketi_server_url, device_id)
self.assertNotEqual(
device_delete, False,
"Device %s could not be deleted" % device_id)
def test_heketi_with_default_options(self):
"""
Test to create volume with default options.
"""
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
self.volume_size, json=True)
self.assertTrue(vol_info, ("Failed to create heketi volume of size %s"
% self.volume_size))
self.addCleanup(self.volume_cleanup, vol_info['id'])
self.assertEqual(vol_info['size'], self.volume_size,
("Failed to create volume with default options."
"Expected Size: %s, Actual Size: %s"
% (self.volume_size, vol_info['size'])))
def test_heketi_with_expand_volume(self):
"""
Test volume expand and size if updated correctly in heketi-cli info
"""
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
self.volume_size, json=True)
self.assertTrue(vol_info, ("Failed to create heketi volume of size %s"
% self.volume_size))
self.addCleanup(self.volume_cleanup, vol_info['id'])
self.assertEqual(vol_info['size'], self.volume_size,
("Failed to create volume."
"Expected Size: %s, Actual Size: %s"
% (self.volume_size, vol_info['size'])))
volume_id = vol_info["id"]
expand_size = 2
ret = heketi_volume_expand(self.heketi_client_node,
self.heketi_server_url, volume_id,
expand_size)
self.assertTrue(ret, ("Failed to expand heketi volume of id %s"
% volume_id))
volume_info = heketi_volume_info(self.heketi_client_node,
self.heketi_server_url,
volume_id, json=True)
expected_size = self.volume_size + expand_size
self.assertEqual(volume_info['size'], expected_size,
("Volume Expansion failed Expected Size: %s, Actual "
"Size: %s" % (str(expected_size),
str(volume_info['size']))))
@skip("Blocked by BZ-1629889")
def test_heketi_with_device_removal_insuff_space(self):
"""
Test to create volume consuming all space and then adding new device
and then trying to remove an existing device. We should get an error
saying insufficient space when removing device.
"""
device_id_list = []
vol_info = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
650,
json=True)
self.assertNotEqual(vol_info, False, "Failed to create heketi volume")
self.addCleanup(self.volume_cleanup, vol_info["id"])
node_id_list = heketi_node_list(
self.heketi_client_node, self.heketi_server_url)
for node_id in node_id_list[:2]:
device_present = False
node_info = heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
self.assertNotEqual(
node_info, False,
"Heketi node info on node %s failed" % node_id)
node_ip = node_info["hostnames"]["storage"][0]
for gluster_server in g.config["gluster_servers"].keys():
gluster_server_ip = (g.config["gluster_servers"]
[gluster_server]["storage"])
if gluster_server_ip == node_ip:
device_name = (g.config["gluster_servers"][gluster_server]
["additional_devices"][0])
break
device_addition_info = heketi_device_add(
self.heketi_client_node, self.heketi_server_url,
device_name, node_id, json=True)
self.assertNotEqual(device_addition_info, False,
"Device %s addition failed" % device_name)
node_info_after_addition = heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_id, json=True)
self.assertNotEqual(node_info_after_addition, False,
"Node info failed for node %s" % node_id)
self.assertNotEqual(
node_info_after_addition["devices"], [],
"No devices in node %s" % node_id)
for device in node_info_after_addition["devices"]:
if device["name"] == device_name:
device_present = True
device_id_list.append(device["id"])
break
self.assertEqual(device_present, True,
"device %s not present" % device["id"])
self.addCleanup(self.detach_devices_attached, device_id_list)
node_1_id = node_id_list[0]
node_1_info = heketi_node_info(
self.heketi_client_node, self.heketi_server_url,
node_1_id, json=True)
self.assertNotEqual(node_1_info, False,
"Node info failed for node %s" % node_1_id)
self.assertNotEqual(
node_1_info["devices"], [],
"No devices in node %s" % node_1_id)
device = any([d for d in node_1_info["devices"]
if device["id"] != device_id_list[0]])
device_disable = heketi_device_disable(
self.heketi_client_node, self.heketi_server_url,
device["id"])
self.assertNotEqual(
device_disable, False,
"Device %s could not be disabled" % device["id"])
ret, out, err = heketi_device_remove(
self.heketi_client_node, self.heketi_server_url,
device["id"],
raw_cli_output=True)
self.assertNotEqual(ret, 0, "Device %s removal successfull")
msg = "Error: Failed to remove device, error: No " +\
"Replacement was found for resource requested to be " +\
"removed"
self.assertEqual(
msg, err.strip(),
"Device %s removal failed due to invalid reason")
device_enable = heketi_device_enable(
self.heketi_client_node, self.heketi_server_url,
device["id"])
self.assertNotEqual(
device_enable, False,
"Device %s could not be enabled" % device["id"])
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