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from glusto.core import Glusto as g
from glustolibs.gluster.volume_ops import get_volume_list, get_volume_info
import six
from cnslibs.common.exceptions import ExecutionError
from cnslibs.common.heketi_libs import HeketiBaseClass
from cnslibs.common.heketi_ops import (heketi_volume_create,
heketi_volume_list,
heketi_volume_info,
heketi_blockvolume_create,
heketi_blockvolume_delete,
heketi_cluster_list,
heketi_cluster_delete,
heketi_node_info,
heketi_node_list,
heketi_node_delete)
from cnslibs.common import podcmd
class TestHeketiVolume(HeketiBaseClass):
"""
Class to test heketi volume create
"""
@classmethod
def setUpClass(cls):
super(TestHeketiVolume, cls).setUpClass()
cls.volume_size = 1
@podcmd.GlustoPod()
def test_volume_create_and_list_volume(self):
"""
Create a heketi volume and list the volume
compare the volume with gluster volume list
"""
g.log.info("Create a heketi volume")
out = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
self.volume_size, json=True)
self.assertTrue(out, ("Failed to create heketi "
"volume of size %s" % self.volume_size))
g.log.info("Heketi volume successfully created" % out)
volume_id = out["bricks"][0]["volume"]
self.addCleanup(self.delete_volumes, volume_id)
g.log.info("List heketi volumes")
volumes = heketi_volume_list(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertTrue(volumes, ("Failed to list heketi volumes"))
g.log.info("Heketi volumes successfully listed")
g.log.info("List gluster volumes")
vol_list = get_volume_list('auto_get_gluster_endpoint')
self.assertTrue(vol_list, ("Unable to get volumes list"))
g.log.info("Successfully got the volumes list")
# Check the volume count are equal
self.assertEqual(
len(volumes["volumes"]), len(vol_list),
"Lengths of gluster '%s' and heketi '%s' volume lists are "
"not equal." % (vol_list, volumes)
)
g.log.info("Heketi volumes list %s and"
" gluster volumes list %s" % (volumes, vol_list))
@podcmd.GlustoPod()
def test_create_vol_and_retrieve_vol_info(self):
"""
Create a heketi volume and retrieve the volume info
and get gluster volume info
"""
g.log.info("Create a heketi volume")
out = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
self.volume_size, json=True)
self.assertTrue(out, ("Failed to create heketi "
"volume of size %s" % self.volume_size))
g.log.info("Heketi volume successfully created" % out)
volume_id = out["bricks"][0]["volume"]
self.addCleanup(self.delete_volumes, volume_id)
g.log.info("Retrieving heketi volume info")
out = heketi_volume_info(
self.heketi_client_node, self.heketi_server_url, volume_id,
json=True)
self.assertTrue(out, ("Failed to get heketi volume info"))
g.log.info("Successfully got the heketi volume info")
name = out["name"]
vol_info = get_volume_info('auto_get_gluster_endpoint', volname=name)
self.assertTrue(vol_info, "Failed to get volume info %s" % name)
g.log.info("Successfully got the volume info %s" % name)
def test_to_check_deletion_of_cluster(self):
"""
Deletion of a cluster with volumes
and/ or nodes should fail
"""
# List heketi volumes
g.log.info("List heketi volumes")
volumes = heketi_volume_list(self.heketi_client_node,
self.heketi_server_url,
json=True)
if (len(volumes["volumes"]) == 0):
g.log.info("Creating heketi volume")
out = heketi_volume_create(self.heketi_client_node,
self.heketi_server_url,
self.volume_size, json=True)
self.assertTrue(out, ("Failed to create heketi "
"volume of size %s" % self.volume_size))
g.log.info("Heketi volume successfully created" % out)
volume_id = out["bricks"][0]["volume"]
self.addCleanup(self.delete_volumes, volume_id)
# List heketi cluster's
g.log.info("Listing heketi cluster list")
out = heketi_cluster_list(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertTrue(out, ("Failed to list heketi cluster"))
g.log.info("All heketi cluster successfully listed")
cluster_id = out["clusters"][0]
# Deleting a heketi cluster
g.log.info("Trying to delete a heketi cluster"
" which contains volumes and/or nodes:"
" Expected to fail")
self.assertRaises(
ExecutionError,
heketi_cluster_delete,
self.heketi_client_node, self.heketi_server_url, cluster_id,
)
g.log.info("Expected result: Unable to delete cluster %s"
" because it contains volumes "
" and/or nodes" % cluster_id)
# To confirm deletion failed, check heketi cluster list
g.log.info("Listing heketi cluster list")
out = heketi_cluster_list(self.heketi_client_node,
self.heketi_server_url,
json=True)
self.assertTrue(out, ("Failed to list heketi cluster"))
g.log.info("All heketi cluster successfully listed")
def test_to_check_deletion_of_node(self):
"""Deletion of a node which contains devices"""
# Create Heketi volume to make sure we have devices with usages
heketi_url = self.heketi_server_url
vol = heketi_volume_create(
self.heketi_client_node, heketi_url, 1, json=True)
self.assertTrue(vol, "Failed to create heketi volume.")
g.log.info("Heketi volume successfully created")
volume_id = vol["bricks"][0]["volume"]
self.addCleanup(self.delete_volumes, volume_id)
# Pick up suitable node
node_ids = heketi_node_list(self.heketi_client_node, heketi_url)
self.assertTrue(node_ids)
for node_id in node_ids:
node_info = 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
for device in node_info['devices']:
if device['state'].lower() != 'online':
continue
if device['storage']['used']:
node_id = node_info['id']
break
else:
self.assertTrue(
node_id,
"Failed to find online node with online device which "
"has some usages.")
# Try to delete the node by its ID
g.log.info("Trying to delete the node which contains devices in it. "
"Expecting failure.")
self.assertRaises(
ExecutionError,
heketi_node_delete,
self.heketi_client_node, heketi_url, node_id)
# Make sure our node hasn't been deleted
g.log.info("Listing heketi node list")
node_list = heketi_node_list(self.heketi_client_node, heketi_url)
self.assertTrue(node_list, ("Failed to list heketi nodes"))
self.assertIn(node_id, node_list)
node_info = heketi_node_info(
self.heketi_client_node, heketi_url, node_id, json=True)
self.assertEqual(node_info['state'].lower(), 'online')
def test_blockvolume_create_no_free_space(self):
"""Test case CNS-550"""
# Create first small blockvolume
blockvol1 = heketi_blockvolume_create(
self.heketi_client_node, self.heketi_server_url, 1, json=True)
self.assertTrue(blockvol1, "Failed to create block volume.")
self.addCleanup(
heketi_blockvolume_delete, self.heketi_client_node,
self.heketi_server_url, blockvol1['id'])
# Get info about block hosting volumes
file_volumes = heketi_volume_list(
self.heketi_client_node, self.heketi_server_url, json=True)
self.assertTrue(file_volumes)
self.assertIn("volumes", file_volumes)
self.assertTrue(file_volumes["volumes"])
max_block_hosting_vol_size, file_volumes_debug_info = 0, []
for vol_id in file_volumes["volumes"]:
vol = heketi_volume_info(
self.heketi_client_node, self.heketi_server_url,
vol_id, json=True)
current_block_hosting_vol_size = vol.get('size', 0)
if current_block_hosting_vol_size > max_block_hosting_vol_size:
max_block_hosting_vol_size = current_block_hosting_vol_size
if current_block_hosting_vol_size:
file_volumes_debug_info.append(six.text_type({
'id': vol.get('id', '?'),
'name': vol.get('name', '?'),
'size': current_block_hosting_vol_size,
'blockinfo': vol.get('blockinfo', '?'),
}))
self.assertGreater(max_block_hosting_vol_size, 0)
# Try to create blockvolume with size bigger than available
too_big_vol_size = max_block_hosting_vol_size + 1
try:
blockvol2 = heketi_blockvolume_create(
self.heketi_client_node, self.heketi_server_url,
too_big_vol_size, json=True)
except ExecutionError:
return
if blockvol2 and blockvol2.get('id'):
self.addCleanup(
heketi_blockvolume_delete, self.heketi_client_node,
self.heketi_server_url, blockvol2['id'])
block_hosting_vol = heketi_volume_info(
self.heketi_client_node, self.heketi_server_url,
blockvol2.get('blockhostingvolume'), json=True)
self.assertGreater(
block_hosting_vol.get('size', -2), blockvol2.get('size', -1),
("Block volume unexpectedly was created. "
"Calculated 'max free size' is '%s'.\nBlock volume info is: %s \n"
"File volume info, which hosts block volume: \n%s,"
"Block hosting volumes which were considered: \n%s" % (
max_block_hosting_vol_size, blockvol2, block_hosting_vol,
'\n'.join(file_volumes_debug_info))))
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