692 lines
26 KiB
Python
692 lines
26 KiB
Python
# Copyright 2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Ironic SSH power manager.
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Provides basic power control of virtual machines via SSH.
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For use in dev and test environments.
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Currently supported environments are:
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Virtual Box (vbox)
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Virsh (virsh)
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Parallels (parallels)
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"""
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import os
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from oslo.config import cfg
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from ironic.common import boot_devices
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from ironic.common import exception
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from ironic.common import i18n
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from ironic.common.i18n import _
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from ironic.common import states
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from ironic.common import utils
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from ironic.conductor import task_manager
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from ironic.drivers import base
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from ironic.drivers import utils as driver_utils
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from ironic.openstack.common import log as logging
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from ironic.openstack.common import processutils
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libvirt_opts = [
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cfg.StrOpt('libvirt_uri',
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default='qemu:///system',
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help='libvirt uri')
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]
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_LW = i18n._LW
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_LE = i18n._LE
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CONF = cfg.CONF
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CONF.register_opts(libvirt_opts, group='ssh')
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LOG = logging.getLogger(__name__)
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REQUIRED_PROPERTIES = {
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'ssh_address': _("IP address or hostname of the node to ssh into. "
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"Required."),
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'ssh_username': _("username to authenticate as. Required."),
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'ssh_virt_type': _("virtualization software to use; one of vbox, virsh, "
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"vmware, parallels. Required.")
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}
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OTHER_PROPERTIES = {
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'ssh_key_contents': _("private key(s). One of this, ssh_key_filename, "
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"or ssh_password must be specified."),
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'ssh_key_filename': _("(list of) filename(s) of optional private key(s) "
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"for authentication. One of this, ssh_key_contents, "
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"or ssh_password must be specified."),
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'ssh_password': _("password to use for authentication or for unlocking a "
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"private key. One of this, ssh_key_contents, or "
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"ssh_key_filename must be specified."),
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'ssh_port': _("port on the node to connect to; default is 22. Optional.")
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}
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COMMON_PROPERTIES = REQUIRED_PROPERTIES.copy()
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COMMON_PROPERTIES.update(OTHER_PROPERTIES)
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# NOTE(dguerri) Generic boot device map. Virtualisation types that don't define
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# a more specific one, will use this.
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# This is left for compatibility with other modules and is still valid for
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# vbox, virsh and vmware.
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_BOOT_DEVICES_MAP = {
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boot_devices.DISK: 'hd',
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boot_devices.PXE: 'network',
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boot_devices.CDROM: 'cdrom',
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}
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def _get_boot_device_map(virt_type):
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if virt_type in ('vbox', 'virsh', 'vmware'):
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return _BOOT_DEVICES_MAP
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elif virt_type == 'parallels':
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return {
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boot_devices.DISK: 'hdd0',
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boot_devices.PXE: 'net0',
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boot_devices.CDROM: 'cdrom0',
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}
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else:
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raise exception.InvalidParameterValue(_(
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"SSHPowerDriver '%(virt_type)s' is not a valid virt_type.") %
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{'virt_type': virt_type})
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def _get_command_sets(virt_type):
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if virt_type == 'vbox':
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return {
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'base_cmd': '/usr/bin/VBoxManage',
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'start_cmd': 'startvm {_NodeName_}',
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'stop_cmd': 'controlvm {_NodeName_} poweroff',
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'reboot_cmd': 'controlvm {_NodeName_} reset',
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'list_all': "list vms|awk -F'\"' '{print $2}'",
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'list_running': 'list runningvms',
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'get_node_macs': ("showvminfo --machinereadable {_NodeName_} | "
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"grep "
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'"macaddress" | awk -F '
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"'"
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'"'
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"' '{print $2}'")
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}
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elif virt_type == 'vmware':
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return {
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'base_cmd': '/bin/vim-cmd',
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'start_cmd': 'vmsvc/power.on {_NodeName_}',
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'stop_cmd': 'vmsvc/power.off {_NodeName_}',
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'reboot_cmd': 'vmsvc/power.reboot {_NodeName_}',
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'list_all': "vmsvc/getallvms | awk '$1 ~ /^[0-9]+$/ {print $1}'",
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# NOTE(arata): In spite of its name, list_running_cmd shows a
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# single vmid, not a list. But it is OK.
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'list_running': (
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"vmsvc/power.getstate {_NodeName_} | "
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"grep 'Powered on' >/dev/null && "
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"echo '\"{_NodeName_}\"' || true"),
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# NOTE(arata): `true` is needed to handle a false vmid, which can
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# be returned by list_cmd. In that case, get_node_macs
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# returns an empty list rather than fails with
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# non-zero status code.
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'get_node_macs': (
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"vmsvc/device.getdevices {_NodeName_} | "
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"grep macAddress | awk -F '\"' '{print $2}' || true"),
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}
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elif virt_type == "virsh":
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# NOTE(NobodyCam): changes to the virsh commands will impact CI
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# see https://review.openstack.org/83906
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# Change-Id: I160e4202952b7551b855dc7d91784d6a184cb0ed
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# for more detail.
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virsh_cmds = {
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'base_cmd': '/usr/bin/virsh',
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'start_cmd': 'start {_NodeName_}',
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'stop_cmd': 'destroy {_NodeName_}',
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'reboot_cmd': 'reset {_NodeName_}',
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'list_all': "list --all | tail -n +2 | awk -F\" \" '{print $2}'",
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'list_running': ("list --all|grep running | "
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"awk -v qc='\"' -F\" \" '{print qc$2qc}'"),
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'get_node_macs': ("dumpxml {_NodeName_} | grep "
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'"mac address" | awk -F'
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'"'
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"'"
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'" '
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"'{print $2}' | tr -d ':'"),
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'set_boot_device': ("EDITOR=\"sed -i '/<boot \(dev\|order\)=*\>/d;"
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"/<\/os>/i\<boot dev=\\\"{_BootDevice_}\\\"/>'\" "
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"{_BaseCmd_} edit {_NodeName_}"),
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'get_boot_device': ("{_BaseCmd_} dumpxml {_NodeName_} | "
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"awk '/boot dev=/ { gsub( \".*dev=\" Q, \"\" ); "
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"gsub( Q \".*\", \"\" ); print; }' "
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"Q=\"'\" RS=\"[<>]\" | "
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"head -1"),
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}
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if CONF.ssh.libvirt_uri:
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virsh_cmds['base_cmd'] += ' --connect %s' % CONF.ssh.libvirt_uri
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return virsh_cmds
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elif virt_type == 'parallels':
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return {
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'base_cmd': '/usr/bin/prlctl',
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'start_cmd': 'start {_NodeName_}',
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'stop_cmd': 'stop {_NodeName_} --kill',
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'reboot_cmd': 'reset {_NodeName_}',
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'list_all': "list -a -o name |tail -n +2",
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'list_running': 'list -o name |tail -n +2',
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'get_node_macs': ("list -j -i \"{_NodeName_}\" | "
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"awk -F'\"' '/\"mac\":/ {print $4}' | "
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"sed 's/\\(..\\)\\(..\\)\\(..\\)\\(..\\)\\(..\\)\\(..\\)/"
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"\\1:\\2:\\3:\\4:\\5\\6/' | "
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"tr '[:upper:]' '[:lower:]'"),
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'set_boot_device': ("{_BaseCmd_} set {_NodeName_} "
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"--device-bootorder \"{_BootDevice_}\""),
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'get_boot_device': ("{_BaseCmd_} list -i {_NodeName_} | "
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"awk '/^Boot order:/ {print $3}'"),
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}
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else:
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raise exception.InvalidParameterValue(_(
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"SSHPowerDriver '%(virt_type)s' is not a valid virt_type, ") %
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{'virt_type': virt_type})
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def _normalize_mac(mac):
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return mac.replace('-', '').replace(':', '').lower()
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def _get_boot_device(ssh_obj, driver_info):
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"""Get the current boot device.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:raises: SSHCommandFailed on an error from ssh.
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:raises: NotImplementedError if the virt_type does not support
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getting the boot device.
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"""
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cmd_to_exec = driver_info['cmd_set'].get('get_boot_device')
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if cmd_to_exec:
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boot_device_map = _get_boot_device_map(driver_info['virt_type'])
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node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
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base_cmd = driver_info['cmd_set']['base_cmd']
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cmd_to_exec = cmd_to_exec.replace('{_NodeName_}', node_name)
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cmd_to_exec = cmd_to_exec.replace('{_BaseCmd_}', base_cmd)
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stdout, stderr = _ssh_execute(ssh_obj, cmd_to_exec)
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return next((dev for dev, hdev in boot_device_map.items()
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if hdev == stdout), None)
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else:
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raise NotImplementedError()
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def _set_boot_device(ssh_obj, driver_info, device):
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"""Set the boot device.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:param device: the boot device.
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:raises: SSHCommandFailed on an error from ssh.
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:raises: NotImplementedError if the virt_type does not support
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setting the boot device.
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"""
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cmd_to_exec = driver_info['cmd_set'].get('set_boot_device')
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if cmd_to_exec:
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node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
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base_cmd = driver_info['cmd_set']['base_cmd']
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cmd_to_exec = cmd_to_exec.replace('{_NodeName_}', node_name)
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cmd_to_exec = cmd_to_exec.replace('{_BootDevice_}', device)
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cmd_to_exec = cmd_to_exec.replace('{_BaseCmd_}', base_cmd)
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_ssh_execute(ssh_obj, cmd_to_exec)
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else:
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raise NotImplementedError()
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def _ssh_execute(ssh_obj, cmd_to_exec):
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"""Executes a command via ssh.
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Executes a command via ssh and returns a list of the lines of the
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output from the command.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param cmd_to_exec: command to execute.
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:returns: list of the lines of output from the command.
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:raises: SSHCommandFailed on an error from ssh.
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"""
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try:
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output_list = processutils.ssh_execute(ssh_obj,
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cmd_to_exec)[0].split('\n')
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except Exception as e:
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LOG.debug("Cannot execute SSH cmd %(cmd)s. Reason: %(err)s."
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% {'cmd': cmd_to_exec, 'err': e})
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raise exception.SSHCommandFailed(cmd=cmd_to_exec)
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return output_list
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def _parse_driver_info(node):
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"""Gets the information needed for accessing the node.
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:param node: the Node of interest.
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:returns: dictionary of information.
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:raises: InvalidParameterValue if any required parameters are incorrect.
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:raises: MissingParameterValue if any required parameters are missing.
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"""
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info = node.driver_info or {}
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missing_info = [key for key in REQUIRED_PROPERTIES if not info.get(key)]
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if missing_info:
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raise exception.MissingParameterValue(_(
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"SSHPowerDriver requires the following to be set: %s.")
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% missing_info)
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address = info.get('ssh_address')
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username = info.get('ssh_username')
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password = info.get('ssh_password')
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try:
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port = int(info.get('ssh_port', 22))
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except ValueError:
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raise exception.InvalidParameterValue(_(
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"SSHPowerDriver requires ssh_port to be integer value"))
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key_contents = info.get('ssh_key_contents')
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key_filename = info.get('ssh_key_filename')
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virt_type = info.get('ssh_virt_type')
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# NOTE(deva): we map 'address' from API to 'host' for common utils
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res = {
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'host': address,
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'username': username,
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'port': port,
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'virt_type': virt_type,
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'uuid': node.uuid
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}
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cmd_set = _get_command_sets(virt_type)
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res['cmd_set'] = cmd_set
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# Only one credential may be set (avoids complexity around having
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# precedence etc).
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if len(filter(None, (password, key_filename, key_contents))) != 1:
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raise exception.InvalidParameterValue(_(
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"SSHPowerDriver requires one and only one of password, "
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"key_contents and key_filename to be set."))
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if password:
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res['password'] = password
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elif key_contents:
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res['key_contents'] = key_contents
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else:
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if not os.path.isfile(key_filename):
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raise exception.InvalidParameterValue(_(
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"SSH key file %s not found.") % key_filename)
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res['key_filename'] = key_filename
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return res
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def _get_power_status(ssh_obj, driver_info):
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"""Returns a node's current power state.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:returns: one of ironic.common.states POWER_OFF, POWER_ON.
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:raises: NodeNotFound
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"""
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power_state = None
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cmd_to_exec = "%s %s" % (driver_info['cmd_set']['base_cmd'],
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driver_info['cmd_set']['list_running'])
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running_list = _ssh_execute(ssh_obj, cmd_to_exec)
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# Command should return a list of running vms. If the current node is
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# not listed then we can assume it is not powered on.
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node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
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if node_name:
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for node in running_list:
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if not node:
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continue
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if node_name in node:
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power_state = states.POWER_ON
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break
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if not power_state:
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power_state = states.POWER_OFF
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else:
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err_msg = _('Node "%(host)s" with MAC address %(mac)s not found.')
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LOG.error(err_msg, {'host': driver_info['host'],
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'mac': driver_info['macs']})
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raise exception.NodeNotFound(node=driver_info['host'])
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return power_state
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def _get_connection(node):
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"""Returns an SSH client connected to a node.
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:param node: the Node.
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:returns: paramiko.SSHClient, an active ssh connection.
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"""
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return utils.ssh_connect(_parse_driver_info(node))
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def _get_hosts_name_for_node(ssh_obj, driver_info):
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"""Get the name the host uses to reference the node.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:returns: the name or None if not found.
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"""
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matched_name = None
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cmd_to_exec = "%s %s" % (driver_info['cmd_set']['base_cmd'],
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driver_info['cmd_set']['list_all'])
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full_node_list = _ssh_execute(ssh_obj, cmd_to_exec)
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LOG.debug("Retrieved Node List: %s" % repr(full_node_list))
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# for each node check Mac Addresses
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for node in full_node_list:
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if not node:
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continue
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LOG.debug("Checking Node: %s's Mac address." % node)
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cmd_to_exec = "%s %s" % (driver_info['cmd_set']['base_cmd'],
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driver_info['cmd_set']['get_node_macs'])
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cmd_to_exec = cmd_to_exec.replace('{_NodeName_}', node)
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hosts_node_mac_list = _ssh_execute(ssh_obj, cmd_to_exec)
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for host_mac in hosts_node_mac_list:
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if not host_mac:
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continue
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for node_mac in driver_info['macs']:
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if not node_mac:
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continue
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if _normalize_mac(host_mac) in _normalize_mac(node_mac):
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LOG.debug("Found Mac address: %s" % node_mac)
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matched_name = node
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break
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if matched_name:
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break
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if matched_name:
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break
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return matched_name
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def _power_on(ssh_obj, driver_info):
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"""Power ON this node.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:returns: one of ironic.common.states POWER_ON or ERROR.
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"""
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current_pstate = _get_power_status(ssh_obj, driver_info)
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if current_pstate == states.POWER_ON:
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_power_off(ssh_obj, driver_info)
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node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
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cmd_to_power_on = "%s %s" % (driver_info['cmd_set']['base_cmd'],
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driver_info['cmd_set']['start_cmd'])
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cmd_to_power_on = cmd_to_power_on.replace('{_NodeName_}', node_name)
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_ssh_execute(ssh_obj, cmd_to_power_on)
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current_pstate = _get_power_status(ssh_obj, driver_info)
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if current_pstate == states.POWER_ON:
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return current_pstate
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else:
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return states.ERROR
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def _power_off(ssh_obj, driver_info):
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"""Power OFF this node.
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:param ssh_obj: paramiko.SSHClient, an active ssh connection.
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:param driver_info: information for accessing the node.
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:returns: one of ironic.common.states POWER_OFF or ERROR.
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"""
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current_pstate = _get_power_status(ssh_obj, driver_info)
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if current_pstate == states.POWER_OFF:
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return current_pstate
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node_name = _get_hosts_name_for_node(ssh_obj, driver_info)
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cmd_to_power_off = "%s %s" % (driver_info['cmd_set']['base_cmd'],
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driver_info['cmd_set']['stop_cmd'])
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cmd_to_power_off = cmd_to_power_off.replace('{_NodeName_}', node_name)
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_ssh_execute(ssh_obj, cmd_to_power_off)
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current_pstate = _get_power_status(ssh_obj, driver_info)
|
|
if current_pstate == states.POWER_OFF:
|
|
return current_pstate
|
|
else:
|
|
return states.ERROR
|
|
|
|
|
|
class SSHPower(base.PowerInterface):
|
|
"""SSH Power Interface.
|
|
|
|
This PowerInterface class provides a mechanism for controlling the power
|
|
state of virtual machines via SSH.
|
|
|
|
NOTE: This driver supports VirtualBox and Virsh commands.
|
|
NOTE: This driver does not currently support multi-node operations.
|
|
"""
|
|
|
|
def get_properties(self):
|
|
return COMMON_PROPERTIES
|
|
|
|
def validate(self, task):
|
|
"""Check that the node's 'driver_info' is valid.
|
|
|
|
Check that the node's 'driver_info' contains the requisite fields
|
|
and that an SSH connection to the node can be established.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect or if ssh failed to connect to the node.
|
|
"""
|
|
if not driver_utils.get_node_mac_addresses(task):
|
|
raise exception.InvalidParameterValue(_("Node %s does not have "
|
|
"any port associated with it.") % task.node.uuid)
|
|
try:
|
|
_get_connection(task.node)
|
|
except exception.SSHConnectFailed as e:
|
|
raise exception.InvalidParameterValue(_("SSH connection cannot"
|
|
" be established: %s") % e)
|
|
|
|
def get_power_state(self, task):
|
|
"""Get the current power state of the task's node.
|
|
|
|
Poll the host for the current power state of the task's node.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:returns: power state. One of :class:`ironic.common.states`.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect.
|
|
:raises: MissingParameterValue when a required parameter is missing
|
|
:raises: NodeNotFound.
|
|
:raises: SSHCommandFailed on an error from ssh.
|
|
:raises: SSHConnectFailed if ssh failed to connect to the node.
|
|
"""
|
|
driver_info = _parse_driver_info(task.node)
|
|
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
|
|
ssh_obj = _get_connection(task.node)
|
|
return _get_power_status(ssh_obj, driver_info)
|
|
|
|
@task_manager.require_exclusive_lock
|
|
def set_power_state(self, task, pstate):
|
|
"""Turn the power on or off.
|
|
|
|
Set the power state of the task's node.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:param pstate: Either POWER_ON or POWER_OFF from :class:
|
|
`ironic.common.states`.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect, or if the desired power state is invalid.
|
|
:raises: MissingParameterValue when a required parameter is missing
|
|
:raises: NodeNotFound.
|
|
:raises: PowerStateFailure if it failed to set power state to pstate.
|
|
:raises: SSHCommandFailed on an error from ssh.
|
|
:raises: SSHConnectFailed if ssh failed to connect to the node.
|
|
"""
|
|
driver_info = _parse_driver_info(task.node)
|
|
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
|
|
ssh_obj = _get_connection(task.node)
|
|
|
|
if pstate == states.POWER_ON:
|
|
state = _power_on(ssh_obj, driver_info)
|
|
elif pstate == states.POWER_OFF:
|
|
state = _power_off(ssh_obj, driver_info)
|
|
else:
|
|
raise exception.InvalidParameterValue(_("set_power_state called "
|
|
"with invalid power state %s.") % pstate)
|
|
|
|
if state != pstate:
|
|
raise exception.PowerStateFailure(pstate=pstate)
|
|
|
|
@task_manager.require_exclusive_lock
|
|
def reboot(self, task):
|
|
"""Cycles the power to the task's node.
|
|
|
|
Power cycles a node.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect.
|
|
:raises: MissingParameterValue when a required parameter is missing
|
|
:raises: NodeNotFound.
|
|
:raises: PowerStateFailure if it failed to set power state to POWER_ON.
|
|
:raises: SSHCommandFailed on an error from ssh.
|
|
:raises: SSHConnectFailed if ssh failed to connect to the node.
|
|
"""
|
|
driver_info = _parse_driver_info(task.node)
|
|
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
|
|
ssh_obj = _get_connection(task.node)
|
|
current_pstate = _get_power_status(ssh_obj, driver_info)
|
|
if current_pstate == states.POWER_ON:
|
|
_power_off(ssh_obj, driver_info)
|
|
|
|
state = _power_on(ssh_obj, driver_info)
|
|
|
|
if state != states.POWER_ON:
|
|
raise exception.PowerStateFailure(pstate=states.POWER_ON)
|
|
|
|
|
|
class SSHManagement(base.ManagementInterface):
|
|
|
|
def get_properties(self):
|
|
return COMMON_PROPERTIES
|
|
|
|
def validate(self, task):
|
|
"""Check that 'driver_info' contains SSH credentials.
|
|
|
|
Validates whether the 'driver_info' property of the supplied
|
|
task's node contains the required credentials information.
|
|
|
|
:param task: a task from TaskManager.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect.
|
|
:raises: MissingParameterValue if a required parameter is missing
|
|
"""
|
|
_parse_driver_info(task.node)
|
|
|
|
def get_supported_boot_devices(self):
|
|
"""Get a list of the supported boot devices.
|
|
|
|
:returns: A list with the supported boot devices defined
|
|
in :mod:`ironic.common.boot_devices`.
|
|
|
|
"""
|
|
return list(_BOOT_DEVICES_MAP.keys())
|
|
|
|
@task_manager.require_exclusive_lock
|
|
def set_boot_device(self, task, device, persistent=False):
|
|
"""Set the boot device for the task's node.
|
|
|
|
Set the boot device to use on next reboot of the node.
|
|
|
|
:param task: a task from TaskManager.
|
|
:param device: the boot device, one of
|
|
:mod:`ironic.common.boot_devices`.
|
|
:param persistent: Boolean value. True if the boot device will
|
|
persist to all future boots, False if not.
|
|
Default: False. Ignored by this driver.
|
|
:raises: InvalidParameterValue if an invalid boot device is
|
|
specified or if any connection parameters are incorrect.
|
|
:raises: MissingParameterValue if a required parameter is missing
|
|
:raises: SSHConnectFailed if ssh failed to connect to the node.
|
|
:raises: SSHCommandFailed on an error from ssh.
|
|
:raises: NotImplementedError if the virt_type does not support
|
|
setting the boot device.
|
|
|
|
"""
|
|
node = task.node
|
|
driver_info = _parse_driver_info(node)
|
|
if device not in self.get_supported_boot_devices():
|
|
raise exception.InvalidParameterValue(_(
|
|
"Invalid boot device %s specified.") % device)
|
|
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
|
|
ssh_obj = _get_connection(node)
|
|
|
|
boot_device_map = _get_boot_device_map(driver_info['virt_type'])
|
|
try:
|
|
_set_boot_device(ssh_obj, driver_info, boot_device_map[device])
|
|
except NotImplementedError:
|
|
LOG.error(_LE("Failed to set boot device for node %(node)s, "
|
|
"virt_type %(vtype)s does not support this "
|
|
"operation") % {'node': node.uuid,
|
|
'vtype': driver_info['virt_type']})
|
|
raise
|
|
|
|
def get_boot_device(self, task):
|
|
"""Get the current boot device for the task's node.
|
|
|
|
Provides the current boot device of the node. Be aware that not
|
|
all drivers support this.
|
|
|
|
:param task: a task from TaskManager.
|
|
:raises: InvalidParameterValue if any connection parameters are
|
|
incorrect.
|
|
:raises: MissingParameterValue if a required parameter is missing
|
|
:raises: SSHConnectFailed if ssh failed to connect to the node.
|
|
:raises: SSHCommandFailed on an error from ssh.
|
|
:returns: a dictionary containing:
|
|
|
|
:boot_device: the boot device, one of
|
|
:mod:`ironic.common.boot_devices` or None if it is unknown.
|
|
:persistent: Whether the boot device will persist to all
|
|
future boots or not, None if it is unknown.
|
|
|
|
"""
|
|
node = task.node
|
|
driver_info = _parse_driver_info(node)
|
|
driver_info['macs'] = driver_utils.get_node_mac_addresses(task)
|
|
ssh_obj = _get_connection(node)
|
|
response = {'boot_device': None, 'persistent': None}
|
|
try:
|
|
response['boot_device'] = _get_boot_device(ssh_obj, driver_info)
|
|
except NotImplementedError:
|
|
LOG.warning(_LW("Failed to get boot device for node %(node)s, "
|
|
"virt_type %(vtype)s does not support this "
|
|
"operation"),
|
|
{'node': node.uuid, 'vtype': driver_info['virt_type']})
|
|
return response
|
|
|
|
def get_sensors_data(self, task):
|
|
"""Get sensors data.
|
|
|
|
Not implemented by this driver.
|
|
|
|
:param task: a TaskManager instance.
|
|
|
|
"""
|
|
raise NotImplementedError()
|