def check_multipath_devices(ip, slave_multipath_disks_count):
"""Check if multipath devices contain SLAVE_MULTIPATH_DISKS_COUNT of
disks. If yes return True, if no - False.
:rtype: bool
"""
cmd = "multipath -l -v2"
ssh_manager.update_connection(ip, SSH_FUEL_CREDENTIALS['login'],
SSH_FUEL_CREDENTIALS['password'],
keys=ssh_manager._get_keys())
ssh_manager.get_remote(ip)
result = ssh_manager.execute_on_remote(
ip=ip,
cmd=cmd,
err_msg="Failed to check multipath on node {}".format(ip)
)
multipath_info = [res.rstrip() for res in result['stdout']]
disk = re.compile('(?P<id>^[\d|\w]+)\s+(?P<dm>dm-\d+)')
status = re.compile(
'\d+:\d+:\d+:\d+\s+(?P<devnode>\w+)'
'\s+\d+:\d+\s+(?P<dm_status>\w+)'
'\s+(?P<path_status>\w+)'
'\s+(?P<online_status>\w+)'
)
dm = None
disks = dict()
for line in multipath_info:
m = re.match(disk, line)
if m:
dm = m.group('dm')
disks[dm] = []
continue
m = re.search(status, line)
if m:
disks[dm].append(m.group('devnode'))
assert_equal(
m.group('dm_status'),
'active',
"Device {0} is in '{1}' status on {2}".format(
m.group('devnode'), m.group('dm_status'), dm))
assert_equal(
m.group('online_status'),
'running',
"Device {0} is in '{1}' status on {2}".format(
m.group('devnode'), m.group('online_status'), dm))
for disk in disks:
assert_equal(len(disks[disk]),
slave_multipath_disks_count,
"{0}: wrong path count: {1}. Must be {2}".format(
disk, len(disk), slave_multipath_disks_count))
def get_os_root_multipath_count(ip):
"""Returns count of root partitions on multipath devices.
:rtype: int
"""
cmd = "lsblk -lo NAME,TYPE,MOUNTPOINT | grep '/$' | grep -c lvm"
ssh_manager.update_connection(ip)
ssh_manager.get_remote(ip)
result = ssh_manager.execute_on_remote(
ip=ip,
cmd=cmd,
err_msg="Failed to check lsblk on node {}".format(ip))
return int(result['stdout_str'])
def get_os_root_multipath_count(ip):
"""Returns count of root partitions on multipath devices.
:rtype: int
"""
cmd = "lsblk -lo NAME,TYPE,MOUNTPOINT | grep '/$' | grep lvm | wc -l"
ssh_manager.update_connection(ip, login='******',
keys=ssh_manager._get_keys())
ssh_manager.get_remote(ip)
result = ssh_manager.execute_on_remote(
ip=ip,
cmd=cmd,
err_msg="Failed to check lsblk on node {}".format(ip))
return int(result['stdout_str'])
def check_multipath_devices(ip, slave_multipath_disks_count):
"""Check if multipath devices contain SLAVE_MULTIPATH_DISKS_COUNT of
disks. If yes return True, if no - False.
:rtype: bool
"""
cmd = "multipath -l -v2"
ssh_manager.update_connection(ip,
SSH_FUEL_CREDENTIALS['login'],
SSH_FUEL_CREDENTIALS['password'],
keys=ssh_manager._get_keys())
ssh_manager.get_remote(ip)
result = ssh_manager.execute_on_remote(
ip=ip,
cmd=cmd,
err_msg="Failed to check multipath on node {}".format(ip))
multipath_info = [res.rstrip() for res in result['stdout']]
disk = re.compile('(?P<id>^[\d|\w]+)\s+(?P<dm>dm-\d+)')
status = re.compile('\d+:\d+:\d+:\d+\s+(?P<devnode>\w+)'
'\s+\d+:\d+\s+(?P<dm_status>\w+)'
'\s+(?P<path_status>\w+)'
'\s+(?P<online_status>\w+)')
dm = None
disks = dict()
for line in multipath_info:
m = re.match(disk, line)
if m:
dm = m.group('dm')
disks[dm] = []
continue
m = re.search(status, line)
if m:
disks[dm].append(m.group('devnode'))
assert_equal(
m.group('dm_status'), 'active',
"Device {0} is in '{1}' status on {2}".format(
m.group('devnode'), m.group('dm_status'), dm))
assert_equal(
m.group('online_status'), 'running',
"Device {0} is in '{1}' status on {2}".format(
m.group('devnode'), m.group('online_status'), dm))
for disk in disks:
assert_equal(
len(disks[disk]), slave_multipath_disks_count,
"{0}: wrong path count: {1}. Must be {2}".format(
disk, len(disk), slave_multipath_disks_count))
