def _attach(self, instance_id):
self._check_connection()
volume_id = self.id or self._native_vol.id
with self.attach_lock:
LOG.debug('Attaching CloudStack volume %s', volume_id)
taken_before = base.taken_devices()
self._conn.attachVolume(volume_id, instance_id)
def device_plugged():
# Rescan SCSI bus
scsi_host = '/sys/class/scsi_host'
for name in os.listdir(scsi_host):
with open(scsi_host + '/' + name + '/scan', 'w') as fp:
fp.write('- - -')
return base.taken_devices() > taken_before
util.wait_until(
device_plugged,
start_text='Checking that volume %s is available in OS' %
volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' %
volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: %s. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0]
LOG.debug('Checking that volume %s is attached', volume_id)
def _attach(self, instance_id):
self._check_connection()
volume_id = self.id or self._native_vol.id
with self.attach_lock:
LOG.debug('Attaching CloudStack volume %s', volume_id)
taken_before = base.taken_devices()
self._conn.attachVolume(volume_id, instance_id)
def device_plugged():
# Rescan SCSI bus
scsi_host = '/sys/class/scsi_host'
for name in os.listdir(scsi_host):
with open(scsi_host + '/' + name + '/scan', 'w') as fp:
fp.write('- - -')
return base.taken_devices() > taken_before
util.wait_until(device_plugged,
start_text='Checking that volume %s is available in OS' % volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' % volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: %s. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0]
LOG.debug('Checking that volume %s is attached', volume_id)
def _attach_volume(self, volume):
ebs = self._ebs_volume(volume)
with self.attach_lock:
device_name = get_free_name()
taken_before = base.taken_devices()
volume_id = ebs.id
LOG.debug('Attaching EBS volume %s (name: %s)', volume_id, device_name)
ebs.attach(self._instance_id(), device_name)
LOG.debug('Checking that EBS volume %s is attached', volume_id)
msg = "EBS volume %s wasn't attached. Timeout reached (%s seconds)" % (
ebs.id, self._global_timeout)
util.wait_until(
lambda: ebs.update() and ebs.attachment_state() == 'attached',
logger=LOG, timeout=self._global_timeout,
error_text=msg
)
LOG.debug('EBS volume %s attached', volume_id)
if not linux.os.windows:
util.wait_until(lambda: base.taken_devices() > taken_before,
start_text='Checking that volume %s is available in OS' % volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' % volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: {0}. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0], device_name
else:
return device_name, device_name
def _attach_volume(self, volume):
ebs = self._ebs_volume(volume)
with self.attach_lock:
device_name = get_free_name()
taken_before = base.taken_devices()
volume_id = ebs.id
LOG.debug('Attaching EBS volume %s (name: %s)', volume_id,
device_name)
ebs.attach(self._instance_id(), device_name)
LOG.debug('Checking that EBS volume %s is attached', volume_id)
msg = "EBS volume %s wasn't attached. Timeout reached (%s seconds)" % (
ebs.id, self._global_timeout)
util.wait_until(
lambda: ebs.update() and ebs.attachment_state() == 'attached',
logger=LOG,
timeout=self._global_timeout,
error_text=msg)
LOG.debug('EBS volume %s attached', volume_id)
if not linux.os.windows:
util.wait_until(
lambda: base.taken_devices() > taken_before,
start_text='Checking that volume %s is available in OS' %
volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' %
volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: {0}. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0], device_name
else:
def check_available():
try:
wintools.aws_bring_disk_online(device_name)
return True
except storage2.StorageError:
return False
util.wait_until(
check_available,
start_text='Checking that volume %s is available in OS' %
volume_id,
timeout=self.win_disk_wait_timeout,
sleep=self.win_disk_polling_interval,
error_text='No Win32_LogicalDisk available for device {}, '
'although it is online'.format(device_name))
return device_name, device_name
def _attach_volume(self, server_id=None):
'''
:rtype: tuple(cloud_device_name, os_device_name)
'''
if server_id is None:
server_id = self._server_id()
volume_id = self.id
self._check_nova_connection()
ops_delay = 10
with self.attach_lock:
for _ in xrange(5):
LOG.debug('Attaching Cinder volume %s', volume_id)
taken_before = base.taken_devices()
try:
attachment = self._nova.volumes.create_server_volume(server_id, volume_id, None)
except TypeError, e:
if "'NoneType' object has no attribute '__getitem__'" not in str(e):
# Very often (2/5 times) we got this error on RaxNG, because of incorrect API response
raise
#waiting for attaching transitional state
LOG.debug('Checking that Cinder volume %s is attached', volume_id)
new_status = self._wait_status_transition(volume_id)
if new_status == 'in-use':
LOG.debug('Cinder volume %s attached', volume_id)
break
elif new_status == 'available':
LOG.warn('Volume %s status changed to "available" instead of "in-use"', volume_id)
LOG.debug('Will try attach volume again after %d seconds', ops_delay)
continue
else:
msg = 'Unexpected status transition "available" -> "{0}".' \
' Cinder volume {1}'.format(new_status, volume_id)
raise storage2.StorageError(msg)
if not linux.os.windows_family:
util.wait_until(lambda: base.taken_devices() > taken_before,
start_text='Checking that volume %s is available in OS' % volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' % volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: %s. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0]
else:
return attachment.device
def device_plugged():
# Rescan SCSI bus
scsi_host = '/sys/class/scsi_host'
for name in os.listdir(scsi_host):
with open(scsi_host + '/' + name + '/scan', 'w') as fp:
fp.write('- - -')
return base.taken_devices() > taken_before
def device_plugged():
# Rescan SCSI bus
scsi_host = '/sys/class/scsi_host'
for name in os.listdir(scsi_host):
with open(scsi_host + '/' + name + '/scan', 'w') as fp:
fp.write('- - -')
return base.taken_devices() > taken_before
def _attach_volume(self, volume):
ebs = self._ebs_volume(volume)
with self.attach_lock:
device_name = get_free_name()
taken_before = base.taken_devices()
volume_id = ebs.id
LOG.debug('Attaching EBS volume %s (name: %s)', volume_id,
device_name)
ebs.attach(self._instance_id(), device_name)
LOG.debug('Checking that EBS volume %s is attached', volume_id)
msg = "EBS volume %s wasn't attached. Timeout reached (%s seconds)" % (
ebs.id, self._global_timeout)
util.wait_until(
lambda: ebs.update() and ebs.attachment_state() == 'attached',
logger=LOG,
timeout=self._global_timeout,
error_text=msg)
LOG.debug('EBS volume %s attached', volume_id)
if not linux.os.windows:
util.wait_until(
lambda: base.taken_devices() > taken_before,
start_text='Checking that volume %s is available in OS' %
volume_id,
timeout=30,
sleep=1,
error_text='Volume %s attached but not available in OS' %
volume_id)
devices = list(base.taken_devices() - taken_before)
if len(devices) > 1:
msg = "While polling for attached device, got multiple new devices: {0}. " \
"Don't know which one to select".format(devices)
raise Exception(msg)
return devices[0], device_name
else:
return device_name, device_name
def _attach(self, instance_id):
self._check_connection()
volume_id = self.id or self._native_vol.id
with self.attach_lock:
LOG.debug('Attaching CloudStack volume %s', volume_id)
taken_before = base.taken_devices()
native_vol = self._conn.attachVolume(volume_id, instance_id)
if not linux.os.windows:
return base.wait_device_plugged(volume_id, taken_before)
else:
return string.ascii_uppercase[native_vol.deviceid]
def _attach_volume(self, server_id=None):
'''
:rtype: tuple(cloud_device_name, os_device_name)
'''
if server_id is None:
server_id = self._server_id()
volume_id = self.id
self._check_nova_connection()
ops_delay = 10
with self.attach_lock:
for _ in xrange(5):
LOG.debug('Attaching Cinder volume %s', volume_id)
taken_before = base.taken_devices()
try:
attachment = self._nova.volumes.create_server_volume(
server_id, volume_id)
except TypeError, e:
if "'NoneType' object has no attribute '__getitem__'" not in str(
e):
# Very often (2/5 times) we got this error on RaxNG, because of incorrect API response
raise
#waiting for attaching transitional state
LOG.debug('Checking that Cinder volume %s is attached',
volume_id)
new_status = self._wait_status_transition(volume_id)
if new_status == 'in-use':
LOG.debug('Cinder volume %s attached, device: %s',
volume_id, attachment.device)
break
elif new_status == 'available':
LOG.warn(
'Volume %s status changed to "available" instead of "in-use"',
volume_id)
LOG.debug('Will try attach volume again after %d seconds',
ops_delay)
continue
else:
msg = 'Unexpected status transition "available" -> "{0}".' \
' Cinder volume {1}'.format(new_status, volume_id)
raise storage2.StorageError(msg)
if not linux.os.windows_family:
return base.wait_device_plugged(volume_id, taken_before)
else:
return attachment.device
