--- /dev/null
+# Copyright 2019 Cachengo
+# Copyright 2019 ENEA
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import time
+
+from ironic.conductor import utils as manager_utils
+from ironic.common import boot_devices
+from ironic.common import exception
+from ironic.drivers.modules import ipmitool
+
+from ..openbmc_hw import OpenBMCIronicVirtMediaHW
+
+RAW_CHECK_NFS_SERVICE_STATUS = '0x32 0xd8 0x06 0x01 0x01 0x00'
+
+RAW_GET_VMEDIA_DEVICE_COUNT = '0x32 0xca %s' # (type)
+RAW_SET_VMEDIA_DEVICE_COUNT = '0x32 0xcb %s %s' # (type, count)
+( VMEDIA_DEVICE_TYPE_CD,
+ VMEDIA_DEVICE_TYPE_FD,
+ VMEDIA_DEVICE_TYPE_HD ) = ( '0x04', '0x05', '0x06' )
+
+RAW_GET_VMEDIA_MOUNT_STATUS = '0x32 0xca 0x00'
+RAW_SET_VMEDIA_MOUNT_STATUS = '0x32 0xcb 0x00 %s'
+
+RAW_GET_VMEDIA_STATUS = '0x32 0xca 0x08'
+RAW_SET_VMEDIA_STATUS = '0x32 0xcb 0x08 %s'
+RAW_RESTART_VMEDIA = '0x32 0xcb 0x0a 0x01'
+
+# Remote Image Service commands
+RAW_RESTART_RIS_CD = '0x32 0x9f 0x01 0x0b 0x01'
+RAW_SET_RIS_NFS = '0x32 0x9f 0x01 0x05 0x00 0x6e 0x66 0x73'
+RAW_SET_RIS_NFS_IP = '0x32 0x9f 0x01 0x02 0x00 %s'
+RAW_SET_RIS_NFS_PATH = '0x32 0x9f 0x01 0x01 0x01 %s'
+RAW_SET_RIS_PROGRESS = '0x32 0x9f 0x01 0x01 0x00 %s'
+RAW_CLEAR_RIS_CONFIG = '0x32 0x9f 0x01 0x0d'
+RAW_RESTART_RIS = '0x32 0x9f 0x08 0x0b'
+
+RAW_GET_MOUNTED_IMG_COUNT = '0x32 0xd8 0x00 0x01'
+RAW_SET_IMG_NAME = '0x32 0xd7 0x01 0x01 0x01 0x01 %s'
+RAW_STOP_REDIRECT = '0x32 0xd7 0x01 0x01 0x01 0x00 %s'
+
+
+class FALCON(OpenBMCIronicVirtMediaHW):
+ def __init__(self, log):
+ super(FALCON, self).__init__(log)
+
+ def get_disk_attachment_status(self, task):
+ # Check NFS Service Status
+ try:
+ cmd = RAW_CHECK_NFS_SERVICE_STATUS
+ out, err = ipmitool.send_raw(task, cmd)
+ _image_name = str(bytearray.fromhex(out.replace('\n', '').strip()))
+ return 'mounted'
+ except Exception:
+ return 'nfserror'
+
+ def _get_virtual_media_device_count(self, task, devicetype):
+ try:
+ _num_inst = 0
+ # Get num of enabled devices
+ if devicetype == 'CD':
+ _devparam = VMEDIA_DEVICE_TYPE_CD
+ self.log.debug('Get virtual CD count')
+ elif devicetype == 'FD':
+ _devparam = VMEDIA_DEVICE_TYPE_FD
+ self.log.debug('Get virtual FD count')
+ elif devicetype == 'HD':
+ _devparam = VMEDIA_DEVICE_TYPE_HD
+ self.log.debug('Get virtual HD count')
+ else:
+ self.log.warning('Unknown device type "%s"' % devicetype)
+ return _num_inst
+
+ cmd = RAW_GET_VMEDIA_DEVICE_COUNT % _devparam
+ out, err = ipmitool.send_raw(task, cmd)
+ _num_inst = int(out.strip())
+ self.log.debug('Number of enabled %s devices is %d' % (devicetype, _num_inst))
+ return _num_inst
+ except Exception as err:
+ # Drive might not be mounted to start with
+ self.log.debug('Exception when getting number of enabled %s devices. error: %s' % (devicetype, str(err)))
+
+
+ def _set_virtual_media_device_count(self, task, devicetype, devicecount):
+ if not 0 <= devicecount <= 4:
+ self.log.warning('Number of devices must be in range 0 to 4')
+ return False
+
+ if devicetype == 'CD':
+ _devparam = VMEDIA_DEVICE_TYPE_CD
+ self.log.debug('Setting virtual CD count to %d' % devicecount)
+ elif devicetype == 'HD':
+ _devparam = VMEDIA_DEVICE_TYPE_HD
+ self.log.debug('Setting virtual HD count to %d' % devicecount)
+ else:
+ self.log.warning('_set_virtual_media_device_count: Unknown device type "%s"' % devicetype)
+ return False
+
+ try:
+ cmd = RAW_SET_VMEDIA_DEVICE_COUNT % (_devparam, hex(devicecount))
+ ipmitool.send_raw(task, cmd)
+
+ _conf_device_num = self._get_virtual_media_device_count(task, devicetype)
+ _tries = 40
+ while _conf_device_num != devicecount and _tries > 0:
+ self.log.debug('Virtual %s count is %d expecting %d' % (devicetype, _conf_device_num, devicecount))
+ time.sleep(5)
+ _conf_device_num = self._get_virtual_media_device_count(task, devicetype)
+ _tries = _tries -1
+
+ except Exception as err:
+ self.log.warning('Exception when setting virtual media device count, error: %s' % str(err))
+ return False
+ return True
+
+ def _check_virtual_media_started(self, task):
+ service_status = None
+ # check virtmedia service status
+ try:
+ cmd = RAW_GET_VMEDIA_STATUS
+ out, err = ipmitool.send_raw(task, cmd)
+ service_status = out.strip()
+ self.log.warning('Virtual media service status: %s' % service_status)
+ except Exception as err:
+ self.log.warning('Exception when checking virtual media service: %s' % str(err))
+
+ return service_status == '01'
+
+ def _start_virtual_media(self, task):
+ # Enable "Remote Media Support"
+ try:
+ cmd = RAW_SET_VMEDIA_STATUS % '0x01'
+ self.log.debug('Start virtual media service')
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when starting virtual media service: %s' % str(err))
+
+ def _restart_virtual_media_service(self, task):
+ try:
+ cmd = RAW_RESTART_VMEDIA
+ self.log.debug('Restart virtual media service')
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when restarting virtual media service: %s' % str(err))
+
+ def _restart_ris(self, task):
+ # Restart Remote Image Service
+ try:
+ self.log.debug('Restart Remote Image Service')
+ cmd = RAW_RESTART_RIS
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when restarting RIS: %s' % str(err))
+ return False
+ return True
+
+ def _restart_ris_cd(self, task):
+ # Restart Remote Image Service CD media
+ try:
+ self.log.debug('Restart Remote Image Service CD media')
+ cmd = RAW_RESTART_RIS_CD
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when restarting RIS CD media: %s' % str(err))
+ return False
+ return True
+
+ def _enable_virtual_media(self, task):
+ # Speed up things if it service is already running
+ if self._check_virtual_media_started(task):
+ self.log.debug('Virtual media service already running.')
+ return True
+
+ # Just enabling the service doe not seem to start it (in all HW)
+ # Resetting it after enabling helps
+ self._start_virtual_media(task)
+ self._restart_virtual_media_service(task)
+
+ tries = 60
+ while tries > 0:
+ if self._check_virtual_media_started(task):
+ return True
+ time.sleep(5)
+ tries -= 1
+
+ self.log.warning('Ensure virtual media service start failed: attempts exceeded.')
+ return False
+
+ def _set_nfs_server_ip(self, driver_info, task):
+ try:
+ cmd = RAW_SET_RIS_NFS_IP % (self.hex_convert(driver_info['provisioning_server']))
+ self.log.debug('Virtual media server "%s"' % driver_info['provisioning_server'])
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when setting virtual media server: %s' % str(err))
+ raise err
+
+ def _set_share_type(self, task):
+ try:
+ cmd = RAW_SET_RIS_NFS
+ self.log.debug('Virtual media share type to NFS.')
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when setting virtual media service type NFS: %s' % str(err))
+ raise err
+
+ def _set_nfs_root_path(self, driver_info, task):
+ try:
+ self.log.debug('Virtual media path to "%s"' % self.remote_share)
+ # set progress bit (hmm. seems to return error if it is already set.. So should check..)
+ # Welp there is no way checking this. As workaround clearing it first ( does not seem to
+ # return error even if alreay cleared).
+ # clear progress bit
+ cmd = RAW_SET_RIS_PROGRESS % '0x00'
+ ipmitool.send_raw(task, cmd)
+
+ # set progress bit
+ cmd = RAW_SET_RIS_PROGRESS % '0x01'
+ ipmitool.send_raw(task, cmd)
+ time.sleep(2)
+
+ cmd = RAW_SET_RIS_NFS_PATH % (self.hex_convert(self.remote_share))
+ ipmitool.send_raw(task, cmd)
+ time.sleep(2)
+
+ # clear progress bit
+ cmd = RAW_SET_RIS_PROGRESS % '0x00'
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when setting virtual media path: %s' % str(err))
+ return False
+
+ def _set_setup_nfs(self, driver_info, task):
+ try:
+ # Set share type NFS
+ self._set_share_type(task)
+ # NFS server IP
+ self._set_nfs_server_ip(driver_info, task)
+ # Set NFS Mount Root path
+ self._set_nfs_root_path(driver_info, task)
+ return True
+
+ except Exception:
+ return False
+
+ def _toggle_virtual_device(self, enabled, task):
+ # Enable "Mount CD/DVD" in GUI should cause vmedia restart withing 2 seconds.
+ # Seems "Mount CD/DVD" need to be enabled (or toggled) after config.
+ # refresh/vmedia restart is not enough(?)
+ try:
+ status = '01' if enabled else '00'
+
+ cmd = RAW_SET_VMEDIA_MOUNT_STATUS % ('0x' + status)
+ self.log.debug('Set mount CD/DVD enable status %s' % status)
+ ipmitool.send_raw(task, cmd)
+
+ self.log.debug('Ensure CD/DVD enable status is %s' % status)
+ tries = 60
+ while tries > 0:
+ out, err = ipmitool.send_raw(task, RAW_GET_VMEDIA_MOUNT_STATUS)
+ res = out.strip()
+
+ self.log.debug('CD/DVD enable status is %s' % res)
+ if res == status:
+ return True
+
+ tries -= 1
+ time.sleep(2)
+
+ except Exception as err:
+ self.log.warning('Exception when CD/DVD virtual media new firmware? ignoring... Error: %s' % str(err))
+
+ self.log.warning('Ensure virtual media status failed, attempts exceeded.')
+ return False
+
+ def _mount_virtual_device(self, task):
+ return self._toggle_virtual_device(True, task)
+
+ def _demount_virtual_device(self, task):
+ return self._toggle_virtual_device(False, task)
+
+ def _get_mounted_image_count(self, task):
+ count = 0
+ try:
+ cmd = RAW_GET_MOUNTED_IMG_COUNT
+ out, err = ipmitool.send_raw(task, cmd)
+ out = out.strip()
+ data = out[3:5]
+ count = int(data, 16)
+ self.log.debug('Available image count: %d' % count)
+ except Exception as err:
+ self.log.debug('Exception when trying to get the image count: %s' % str(err))
+ return count
+
+ def _set_image_name(self, image_filename, task):
+ try:
+ cmd = RAW_SET_IMG_NAME % (self.hex_convert(image_filename))
+ self.log.debug('Setting virtual media image: %s' % image_filename)
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.debug('Exception when setting virtual media image: %s' % str(err))
+ return False
+ return True
+
+ def _stop_remote_redirection(self, task):
+ try:
+ # Get num of enabled devices
+ _num_inst = self._get_virtual_media_device_count(task, 'CD')
+ for driveindex in range(0, _num_inst):
+ cmd = RAW_STOP_REDIRECT % hex(driveindex)
+ self.log.debug('Stop redirection CD/DVD drive index %d' % driveindex)
+ out, err = ipmitool.send_raw(task, cmd)
+ self.log.debug('ipmitool out = %s' % (out))
+ except Exception as err:
+ # Drive might not be mounted to start with
+ self.log.debug('_stop_remote_redirection: Ignoring exception when stopping redirection CD/DVD drive index %d error: %s' % (driveindex, str(err)))
+ pass
+
+ def _clear_ris_configuration(self, task):
+ # Clear Remote Image Service configuration
+ try:
+ cmd = RAW_CLEAR_RIS_CONFIG
+ self.log.debug('Clear Remote Image Service configuration.')
+ ipmitool.send_raw(task, cmd)
+ except Exception as err:
+ self.log.warning('Exception when clearing RIS NFS configuration: %s' % str(err))
+ return False
+ return True
+
+ def _wait_for_mount_count(self, task):
+ # Poll until we got some images from server
+ tries = 60
+ while tries > 0:
+ if self._get_mounted_image_count(task) > 0:
+ return True
+ tries -= 1
+ self.log.debug('Check available images count. Tries left: %d' % tries)
+ time.sleep(10)
+
+ self.log.warning('Available images count is 0. Attempts exceeded.')
+ return False
+
+ def attach_virtual_cd(self, image_filename, driver_info, task):
+
+ # Enable virtual media
+ if not self._enable_virtual_media(task):
+ self.log.error("Failed to enable virtual media")
+ return False
+
+ # Enable CD/DVD device
+ if not self._toggle_virtual_device(True, task):
+ self.log.error("Failed to enable virtual device")
+ return False
+
+ # Clear Remote Image Service configuration
+ if not self._clear_ris_configuration(task):
+ self.log.error("Failed to clear Remote Image Service configuration")
+ return False
+
+ # Setup NFS
+ if not self._set_setup_nfs(driver_info, task):
+ self.log.error("Failed to setup nfs")
+ return False
+
+ # Restart Remote Image CD
+ if not self._restart_ris_cd(task):
+ self.log.error("Failed to restart Remote Image Service CD")
+ return False
+
+ # Wait for device to be mounted
+ if not self._wait_for_mount_count(task):
+ self.log.error("Failed when waiting for the device to appear")
+ return False
+
+ # Set Image Name
+ if not self._set_image_name(image_filename, task):
+ self.log.error("Failed to set image name")
+ return False
+
+ return self.check_and_wait_for_cd_mounting(image_filename, task, driver_info)
+
+ def detach_virtual_cd(self, driver_info, task):
+ """Detaches virtual cdrom on the node.
+
+ :param task: an ironic task object
+ """
+ # Enable virtual media
+ if not self._enable_virtual_media(task):
+ self.log.error("detach_virtual_cd: Failed to enable virtual media")
+ return False
+
+ # Restart Remote Image Service
+ if not self._restart_ris(task):
+ self.log.error("Failed to restart Remote Image Service")
+ return False
+
+ # Stop redirection
+ self._stop_remote_redirection(task)
+
+ # Clear Remote Image Service configuration
+ if not self._clear_ris_configuration(task):
+ self.log.error("detach_virtual_cd: Failed to clear RIS configuration")
+ return False
+
+ # Unmount virtual device
+ if not self._demount_virtual_device(task):
+ self.log.error('detach_virtual_cd: Exception when disabling CD/DVD virtual media')
+ return False
+
+ # Reduce the number of virtual devices (both HD and CD default to 4 devices each)
+ if not self._set_virtual_media_device_count(task, 'HD', 0):
+ return False
+ if not self._set_virtual_media_device_count(task, 'CD', 1):
+ return False
+
+ return True
+
+ def set_boot_device(self, task):
+ manager_utils.node_set_boot_device(task, boot_devices.FLOPPY, persistent=True)
# limitations under the License.
#
-import time
+from ..openbmc_hw import OpenBMCIronicVirtMediaHW
-from ironic.drivers.modules import ipmitool
-from ironic.common.i18n import _translators
-from oslo_concurrency import processutils
-from ironic.common import exception
-
-from ..ironic_virtmedia_hw import IronicVirtMediaHW
-
-class NokiaIronicVirtMediaHW(IronicVirtMediaHW):
+class NokiaIronicVirtMediaHW(OpenBMCIronicVirtMediaHW):
def __init__(self, log):
super(NokiaIronicVirtMediaHW, self).__init__(log)
- self.remote_share = '/remote_image_share_root/'
-
- def attach_virtual_cd(self, image_filename, driver_info, task):
- """ see ironic_virtmedia_hw.py"""
- raise NotImplementedError
-
- def detach_virtual_cd(self, driver_info, task):
- """ see ironic_virtmedia_hw.py"""
- raise NotImplementedError
-
- def set_boot_device(self, task):
- """ see ironic_virtmedia_hw.py"""
- raise NotImplementedError
-
- def get_disk_attachment_status(self, task):
- """ Get the disk attachment status.
- :param task: a TaskManager instance.
- :returns: <str>: 'mounting' if operation is ongoing
- 'nfserror' if failed
- 'mounted' if the disk is successfully mounted
- """
- raise NotImplementedError
-
- @staticmethod
- def hex_convert(string_value, padding=False, length=0):
- hex_value = '0x'
- hex_value += ' 0x'.join(x.encode('hex') for x in string_value)
- if padding and (len(string_value)<length):
- hex_value += ' 0x'
- hex_value += ' 0x'.join('00' for _ in range(len(string_value), length))
- return hex_value
-
- def _issue_bmc_reset(self, driver_info, task):
- """ Issues a bmc reset and waits till the bcm is ready for servicing
- """
- cmd = 'bmc reset cold'
- node_uuid = task.node.uuid
- self.log.debug("Issuing bmc cold reset to node %s" %(task.node.name))
- try:
- out, err = ipmitool._exec_ipmitool(driver_info, cmd)
- self.log.debug('bmc reset returned stdout: %(stdout)s, stderr:'
- ' %(stderr)s', {'stdout': out, 'stderr': err})
- except processutils.ProcessExecutionError as err:
- self.log.exception(_translators.log_error('IPMI "bmc reset" failed for node %(node_id)s '
- 'with error: %(error)s.'),
- {'node_id': node_uuid, 'error': err})
- raise exception.IPMIFailure(cmd=cmd)
-
- sleep_count = 10
- cmd = 'bmc info'
- while sleep_count:
- try:
- out, err = ipmitool._exec_ipmitool(driver_info, cmd)
- self.log.debug('bmc reset returned stdout: %(stdout)s, stderr:'
- ' %(stderr)s', {'stdout': out, 'stderr': err})
- break
- except processutils.ProcessExecutionError as err:
- self.log.debug(_translators.log_error('IPMI "bmc info" failed for node %(node_id)s '
- 'with error: %(error)s. Sleeping and retrying later.'
- 'sleep_count: %(sleep_count)s'),
- {'node_id': node_uuid, 'error': err, 'sleep_count': sleep_count})
- time.sleep(10)
- sleep_count -= 1
-
- if not sleep_count:
- self.log.exception('After bmc reset, connection to bmc is lost!')
- raise exception.IPMIFailure(cmd='bmc reset')
-
-
- def _wait_for_cd_mounting(self, driver_info, task):
- sleep_count = 10
- while self.get_disk_attachment_status(task) == 'mounting' and sleep_count:
- self.log.debug("Waiting for the CD to be Mounted")
- sleep_count -= 1
- time.sleep(1)
-
- if sleep_count:
- return True
-
- self.log.warning("NFS mount timed out!. Trying BMC reset!")
- self._issue_bmc_reset(driver_info, task)
-
- def check_and_wait_for_cd_mounting(self, image_filename, task, driver_info):
- mount_status = self.get_disk_attachment_status(task)
- if mount_status == 'mounting':
- if self._wait_for_cd_mounting(driver_info, task):
- self.log.debug("Attached CD: %s" %(image_filename))
- return True
- else:
- return False
- elif mount_status == 'nfserror':
- self.log.exception("NFS mount failed!. Issue could be with NFS server status or connectivity to target.")
- raise exception.InstanceDeployFailure(reason='NFS mount failed!')
- elif mount_status == 'mounted':
- self.log.debug("Attached CD: %s" %(image_filename))
- return True
- else:
- self.log.exception("NFS mount failed!. Unknown error!")
- raise exception.InstanceDeployFailure(reason='NFS mount failed!')
--- /dev/null
+# Copyright 2019 Nokia
+# Copyright 2019 Cachengo
+# Copyright 2019 ENEA
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import time
+
+from ironic.drivers.modules import ipmitool
+from ironic.common.i18n import _translators
+from oslo_concurrency import processutils
+from ironic.common import exception
+
+from .ironic_virtmedia_hw import IronicVirtMediaHW
+
+class OpenBMCIronicVirtMediaHW(IronicVirtMediaHW):
+ def __init__(self, log):
+ super(OpenBMCIronicVirtMediaHW, self).__init__(log)
+ self.remote_share = '/remote_image_share_root/'
+
+ def get_disk_attachment_status(self, task):
+ """ Get the disk attachment status.
+ :param task: a TaskManager instance.
+ :returns: <str>: 'mounting' if operation is ongoing
+ 'nfserror' if failed
+ 'mounted' if the disk is successfully mounted
+ """
+ raise NotImplementedError
+
+ @staticmethod
+ def hex_convert(string_value, padding=False, length=0):
+ if padding:
+ string_value = string_value.ljust(length, '\0')
+ return ' '.join('0x%s' % x.encode('hex') for x in string_value)
+
+ def _issue_bmc_reset(self, driver_info, task):
+ """ Issues a bmc reset and waits till the BMC is ready for servicing
+ """
+ cmd = 'bmc reset cold'
+ node_uuid = task.node.uuid
+ self.log.debug("Issuing bmc cold reset to node %s" %(task.node.name))
+ try:
+ out, err = ipmitool._exec_ipmitool(driver_info, cmd)
+ self.log.debug('bmc reset returned stdout: %(stdout)s, stderr:'
+ ' %(stderr)s', {'stdout': out, 'stderr': err})
+ except processutils.ProcessExecutionError as err:
+ self.log.exception(_translators.log_error('IPMI "bmc reset" failed for node %(node_id)s '
+ 'with error: %(error)s.'),
+ {'node_id': node_uuid, 'error': err})
+ raise exception.IPMIFailure(cmd=cmd)
+
+ sleep_count = 10
+ cmd = 'bmc info'
+ while sleep_count:
+ try:
+ out, err = ipmitool._exec_ipmitool(driver_info, cmd)
+ self.log.debug('bmc reset returned stdout: %(stdout)s, stderr:'
+ ' %(stderr)s', {'stdout': out, 'stderr': err})
+ break
+ except processutils.ProcessExecutionError as err:
+ self.log.debug(_translators.log_error('IPMI "bmc info" failed for node %(node_id)s '
+ 'with error: %(error)s. Sleeping and retrying later.'
+ 'sleep_count: %(sleep_count)s'),
+ {'node_id': node_uuid, 'error': err, 'sleep_count': sleep_count})
+ time.sleep(10)
+ sleep_count -= 1
+
+ if not sleep_count:
+ self.log.exception('After bmc reset, connection to bmc is lost!')
+ raise exception.IPMIFailure(cmd='bmc reset')
+
+
+ def _wait_for_cd_mounting(self, driver_info, task):
+ sleep_count = 10
+ while self.get_disk_attachment_status(task) == 'mounting' and sleep_count:
+ self.log.debug("Waiting for the CD to be Mounted")
+ sleep_count -= 1
+ time.sleep(1)
+
+ if sleep_count:
+ return True
+
+ self.log.warning("NFS mount timed out!. Trying BMC reset!")
+ self._issue_bmc_reset(driver_info, task)
+
+ def check_and_wait_for_cd_mounting(self, image_filename, task, driver_info):
+ mount_status = self.get_disk_attachment_status(task)
+ if mount_status == 'mounting':
+ if self._wait_for_cd_mounting(driver_info, task):
+ self.log.debug("Attached CD: %s" %(image_filename))
+ return True
+ else:
+ return False
+ elif mount_status == 'nfserror':
+ self.log.exception("NFS mount failed!. Issue could be with NFS server status or connectivity to target.")
+ raise exception.InstanceDeployFailure(reason='NFS mount failed!')
+ elif mount_status == 'mounted':
+ self.log.debug("Attached CD: %s" %(image_filename))
+ return True
+ else:
+ self.log.exception("NFS mount failed!. Unknown error!")
+ raise exception.InstanceDeployFailure(reason='NFS mount failed!')