Add IloDriver and its IloPower module

Add a new ironic driver for managing HP Proliant Gen8 servers
using iLO4. This commit introduces the power module for
IloDriver.

Implements: blueprint ironic-ilo-power-driver
Change-Id: I8d521f67fb14a6132626782b05cd490cd42ba476
Co-Authors: Anusha Ramineni<anusha.iiitm@gmail.com>

12 files changed, 783 insertions, 0 deletions

diff --git a/etc/ironic/ironic.conf.sample b/etc/ironic/ironic.conf.sample
index 53b378dab..f0ffb1877 100644
--- a/etc/ironic/ironic.conf.sample
+++ b/etc/ironic/ironic.conf.sample
@@ -715,6 +715,32 @@
 #auth_strategy=keystone
 
 
+[ilo]
+
+#
+# Options defined in ironic.drivers.modules.ilo.common
+#
+
+# Timeout (in seconds) for iLO operations (integer value)
+#client_timeout=60
+
+# Port to be used for iLO operations (integer value)
+#client_port=443
+
+
+#
+# Options defined in ironic.drivers.modules.ilo.power
+#
+
+# Number of times a power operation needs to be retried
+# (integer value)
+#power_retry=6
+
+# Amount of time in seconds to wait in between power
+# operations (integer value)
+#power_wait=2
+
+
 [ipmi]
 
 #
diff --git a/ironic/common/exception.py b/ironic/common/exception.py
index f0318f028..bee73f814 100644
--- a/ironic/common/exception.py
+++ b/ironic/common/exception.py
@@ -377,3 +377,7 @@ class ConsoleSubprocessFailed(IronicException):
 
 class PasswordFileFailedToCreate(IronicException):
     message = _("Failed to create the password file. %(error)s")
+
+
+class IloOperationError(IronicException):
+    message = _("%(operation)s failed, error: %(error)s")
diff --git a/ironic/drivers/ilo.py b/ironic/drivers/ilo.py
new file mode 100644
index 000000000..65fb8c1f8
--- /dev/null
+++ b/ironic/drivers/ilo.py
@@ -0,0 +1,42 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+"""
+iLO Driver for managing HP Proliant Gen8 and above servers.
+"""
+
+from ironic.common import exception
+from ironic.drivers import base
+from ironic.drivers.modules.ilo import power
+from ironic.openstack.common import importutils
+
+
+class IloDriver(base.BaseDriver):
+    """IloDriver using IloClient interface.
+
+    This driver implements the `core` functionality using
+    :class:ironic.drivers.modules.ilo.power.IloPower for power management.
+    """
+
+    def __init__(self):
+
+        if not importutils.try_import('proliantutils'):
+            raise exception.DriverLoadError(
+                    driver=self.__class__.__name__,
+                    reason=_("Unable to import proliantutils library"))
+
+        self.power = power.IloPower()
+        self.deploy = None
+        self.rescue = None
+        self.console = None
+        self.vendor = None
diff --git a/ironic/drivers/modules/ilo/__init__.py b/ironic/drivers/modules/ilo/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/ironic/drivers/modules/ilo/__init__.py
diff --git a/ironic/drivers/modules/ilo/common.py b/ironic/drivers/modules/ilo/common.py
new file mode 100644
index 000000000..f645139ae
--- /dev/null
+++ b/ironic/drivers/modules/ilo/common.py
@@ -0,0 +1,137 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+
+"""
+Common functionalities shared between different iLO modules.
+"""
+
+from oslo.config import cfg
+
+from ironic.common import exception
+from ironic.openstack.common import importutils
+from ironic.openstack.common import log as logging
+
+ilo_client = importutils.try_import('proliantutils.ilo.ribcl')
+
+
+STANDARD_LICENSE = 1
+ESSENTIALS_LICENSE = 2
+ADVANCED_LICENSE = 3
+
+
+opts = [
+    cfg.IntOpt('client_timeout',
+               default=60,
+               help='Timeout (in seconds) for iLO operations'),
+    cfg.IntOpt('client_port',
+               default=443,
+               help='Port to be used for iLO operations'),
+]
+
+CONF = cfg.CONF
+CONF.register_opts(opts, group='ilo')
+
+LOG = logging.getLogger(__name__)
+
+
+def parse_driver_info(node):
+    """Gets the driver specific Node deployment info.
+
+    This method validates whether the 'driver_info' property of the
+    supplied node contains the required information for this driver.
+
+    :param node: an ironic node object.
+    :returns: a dict containing information from driver_info
+        and default values.
+    :raises: InvalidParameterValue if some mandatory information
+        is missing on the node or on invalid inputs.
+    """
+    info = node.driver_info
+    d_info = {}
+
+    error_msgs = []
+    for param in ('ilo_address', 'ilo_username', 'ilo_password'):
+        try:
+            d_info[param] = info[param]
+        except KeyError:
+            error_msgs.append(_("'%s' not supplied to IloDriver.") % param)
+
+    for param in ('client_port', 'client_timeout'):
+        value = info.get(param, CONF.ilo.get(param))
+        try:
+            value = int(value)
+        except ValueError:
+            error_msgs.append(_("'%s' is not an integer.") % param)
+            continue
+        d_info[param] = value
+
+    if error_msgs:
+        msg = (_("The following errors were encountered while parsing "
+                 "driver_info:\n%s") % "\n".join(error_msgs))
+        raise exception.InvalidParameterValue(msg)
+
+    return d_info
+
+
+def get_ilo_object(node):
+    """Gets an IloClient object from proliantutils library.
+
+    Given an ironic node object, this method gives back a IloClient object
+    to do operations on the iLO.
+
+    :param node: an ironic node object.
+    :returns: an IloClient object.
+    :raises: InvalidParameterValue if some mandatory information
+        is missing on the node or on invalid inputs.
+    """
+    driver_info = parse_driver_info(node)
+    ilo_object = ilo_client.IloClient(driver_info['ilo_address'],
+                                      driver_info['ilo_username'],
+                                      driver_info['ilo_password'],
+                                      driver_info['client_timeout'],
+                                      driver_info['client_port'])
+    return ilo_object
+
+
+def get_ilo_license(node):
+    """Gives the current installed license on the node.
+
+    Given an ironic node object, this method queries the iLO
+    for currently installed license and returns it back.
+
+    :param node: an ironic node object.
+    :returns: a constant defined in this module which
+        refers to the current license installed on the node.
+    :raises: InvalidParameterValue if some mandatory information
+        is missing on the node or on invalid inputs.
+    :raises: IloOperationError if it failed to retrieve the
+        installed licenses from the iLO.
+    """
+    # Get the ilo client object, and then the license from the iLO
+    ilo_object = get_ilo_object(node)
+    try:
+        license_info = ilo_object.get_all_licenses()
+    except ilo_client.IloError as ilo_exception:
+        raise exception.IloOperationError(operation=_('iLO license check'),
+                                          error=str(ilo_exception))
+
+    # Check the license to see if the given license exists
+    current_license_type = license_info['LICENSE_TYPE']
+
+    if current_license_type.endswith("Advanced"):
+        return ADVANCED_LICENSE
+    elif current_license_type.endswith("Essentials"):
+        return ESSENTIALS_LICENSE
+    else:
+        return STANDARD_LICENSE
diff --git a/ironic/drivers/modules/ilo/power.py b/ironic/drivers/modules/ilo/power.py
new file mode 100644
index 000000000..cabf51193
--- /dev/null
+++ b/ironic/drivers/modules/ilo/power.py
@@ -0,0 +1,205 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+
+"""
+iLO Power Driver
+"""
+
+from oslo.config import cfg
+
+from ironic.common import exception
+from ironic.common import states
+from ironic.conductor import task_manager
+from ironic.drivers import base
+from ironic.drivers.modules.ilo import common as ilo_common
+from ironic.openstack.common import importutils
+from ironic.openstack.common import log as logging
+from ironic.openstack.common import loopingcall
+
+ilo_client = importutils.try_import('proliantutils.ilo.ribcl')
+
+
+opts = [
+    cfg.IntOpt('power_retry',
+               default=6,
+               help='Number of times a power operation needs to be retried'),
+    cfg.IntOpt('power_wait',
+               default=2,
+               help='Amount of time in seconds to wait in between power '
+                    'operations'),
+]
+
+CONF = cfg.CONF
+CONF.register_opts(opts, group='ilo')
+
+LOG = logging.getLogger(__name__)
+
+
+def _get_power_state(node):
+    """Returns the current power state of the node.
+
+    :param node: The node.
+    :returns: power state, one of :mod: `ironic.common.states`.
+    :raises: InvalidParameterValue if required iLO credentials are missing.
+    :raises: IloOperationError on an error from IloClient library.
+    """
+
+    ilo_object = ilo_common.get_ilo_object(node)
+
+    # Check the current power state.
+    try:
+        power_status = ilo_object.get_host_power_status()
+
+    except ilo_client.IloError as ilo_exception:
+        LOG.error(_("iLO get_power_state failed for node %(node_id)s with "
+                    "error: %(error)s."),
+                  {'node_id': node.uuid, 'error': ilo_exception})
+        operation = _('iLO get_power_status')
+        raise exception.IloOperationError(operation=operation,
+                                          error=ilo_exception)
+
+    if power_status == "ON":
+        return states.POWER_ON
+    elif power_status == "OFF":
+        return states.POWER_OFF
+    else:
+        return states.ERROR
+
+
+def _wait_for_state_change(node, target_state):
+    """Wait for the power state change to get reflected."""
+    state = [None]
+    retries = [0]
+
+    def _wait(state):
+
+        state[0] = _get_power_state(node)
+
+        # NOTE(rameshg87): For reboot operations, initially the state
+        # will be same as the final state. So defer the check for one retry.
+        if retries[0] != 0 and state[0] == target_state:
+            raise loopingcall.LoopingCallDone()
+
+        if retries[0] > CONF.ilo.power_retry:
+            state[0] = states.ERROR
+            raise loopingcall.LoopingCallDone()
+
+        retries[0] += 1
+
+    # Start a timer and wait for the operation to complete.
+    timer = loopingcall.FixedIntervalLoopingCall(_wait, state)
+    timer.start(interval=CONF.ilo.power_wait).wait()
+
+    return state[0]
+
+
+def _set_power_state(node, target_state):
+    """Turns the server power on/off or do a reboot.
+
+    :param node: an ironic node object.
+    :param target_state: target state of the node.
+    :raises: InvalidParameterValue if an invalid power state was specified.
+    :raises: IloOperationError on an error from IloClient library.
+    :raises: PowerStateFailure if the power couldn't be set to target_state.
+    """
+
+    ilo_object = ilo_common.get_ilo_object(node)
+
+    # Trigger the operation based on the target state.
+    try:
+        if target_state == states.POWER_OFF:
+            ilo_object.hold_pwr_btn()
+        elif target_state == states.POWER_ON:
+            ilo_object.set_host_power('ON')
+        elif target_state == states.REBOOT:
+            ilo_object.reset_server()
+            target_state = states.POWER_ON
+        else:
+            msg = _("_set_power_state called with invalid power state "
+                "'%s'") % target_state
+            raise exception.InvalidParameterValue(msg)
+
+    except ilo_client.IloError as ilo_exception:
+        LOG.error(_("iLO set_power_state failed to set state to %(tstate)s "
+                    " for node %(node_id)s with error: %(error)s"),
+                   {'tstate': target_state, 'node_id': node.uuid,
+                     'error': ilo_exception})
+        operation = _('iLO set_power_state')
+        raise exception.IloOperationError(operation=operation,
+                                          error=ilo_exception)
+
+    # Wait till the state change gets reflected.
+    state = _wait_for_state_change(node, target_state)
+
+    if state != target_state:
+        timeout = (CONF.ilo.power_wait) * (CONF.ilo.power_retry)
+        LOG.error(_("iLO failed to change state to %(tstate)s "
+                    "within %(timeout)s sec"),
+                    {'tstate': target_state, 'timeout': timeout})
+        raise exception.PowerStateFailure(pstate=target_state)
+
+
+class IloPower(base.PowerInterface):
+
+    def validate(self, task):
+        """Check if node.driver_info contains the required iLO credentials.
+
+        :param task: a TaskManager instance.
+        :param node: Single node object.
+        :raises: InvalidParameterValue if required iLO credentials are missing.
+        """
+        ilo_common.parse_driver_info(task.node)
+
+    def get_power_state(self, task):
+        """Gets the current power state.
+
+        :param task: a TaskManager instance.
+        :param node: The Node.
+        :returns: one of :mod:`ironic.common.states` POWER_OFF,
+            POWER_ON or ERROR.
+        :raises: InvalidParameterValue if required iLO credentials are missing.
+        :raises: IloOperationError on an error from IloClient library.
+        """
+        return _get_power_state(task.node)
+
+    @task_manager.require_exclusive_lock
+    def set_power_state(self, task, power_state):
+        """Turn the current power state on or off.
+
+        :param task: a TaskManager instance.
+        :param node: The Node.
+        :param power_state: The desired power state POWER_ON,POWER_OFF or
+            REBOOT from :mod:`ironic.common.states`.
+        :raises: InvalidParameterValue if an invalid power state was specified.
+        :raises: IloOperationError on an error from IloClient library.
+        :raises: PowerStateFailure if the power couldn't be set to power_state.
+        """
+        _set_power_state(task.node, power_state)
+
+    @task_manager.require_exclusive_lock
+    def reboot(self, task):
+        """Reboot the node
+
+        :param task: a TaskManager instance.
+        :param node: The Node.
+        :raises: PowerStateFailure if the final state of the node is not
+            POWER_ON.
+        :raises: IloOperationError on an error from IloClient library.
+        """
+        node = task.node
+        current_pstate = _get_power_state(node)
+        if current_pstate == states.POWER_ON:
+            _set_power_state(node, states.REBOOT)
+        elif current_pstate == states.POWER_OFF:
+            _set_power_state(node, states.POWER_ON)
diff --git a/ironic/tests/db/utils.py b/ironic/tests/db/utils.py
index 4e6773440..0f014c4a0 100644
--- a/ironic/tests/db/utils.py
+++ b/ironic/tests/db/utils.py
@@ -70,6 +70,14 @@ def get_test_seamicro_info():
     }
 
 
+def get_test_ilo_info():
+    return {
+            "ilo_address": "1.2.3.4",
+            "ilo_username": "admin",
+            "ilo_password": "fake",
+    }
+
+
 def get_test_node(**kw):
     properties = {
         "cpu_arch": "x86_64",
diff --git a/ironic/tests/drivers/ilo/__init__.py b/ironic/tests/drivers/ilo/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/ironic/tests/drivers/ilo/__init__.py
diff --git a/ironic/tests/drivers/ilo/test_common.py b/ironic/tests/drivers/ilo/test_common.py
new file mode 100644
index 000000000..75db20116
--- /dev/null
+++ b/ironic/tests/drivers/ilo/test_common.py
@@ -0,0 +1,156 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+# All Rights Reserved.
+#
+#    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.
+
+"""Test class for common methods used by iLO modules."""
+
+import mock
+
+from oslo.config import cfg
+
+from ironic.common import exception
+from ironic.db import api as dbapi
+from ironic.drivers.modules.ilo import common as ilo_common
+from ironic.openstack.common import context
+from ironic.openstack.common import importutils
+from ironic.tests import base
+from ironic.tests.db import utils as db_utils
+from ironic.tests.objects import utils as obj_utils
+
+ilo_client = importutils.try_import('proliantutils.ilo.ribcl')
+
+
+INFO_DICT = db_utils.get_test_ilo_info()
+CONF = cfg.CONF
+
+
+class IloCommonMethodsTestCase(base.TestCase):
+
+    def setUp(self):
+        super(IloCommonMethodsTestCase, self).setUp()
+        self.dbapi = dbapi.get_instance()
+        self.context = context.get_admin_context()
+
+    def test_parse_driver_info(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        info = ilo_common.parse_driver_info(node)
+
+        self.assertIsNotNone(info.get('ilo_address'))
+        self.assertIsNotNone(info.get('ilo_username'))
+        self.assertIsNotNone(info.get('ilo_password'))
+        self.assertIsNotNone(info.get('client_timeout'))
+        self.assertIsNotNone(info.get('client_port'))
+
+    def test_parse_driver_info_missing_address(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        del node.driver_info['ilo_address']
+        self.assertRaises(exception.InvalidParameterValue,
+                          ilo_common.parse_driver_info, node)
+
+    def test_parse_driver_info_missing_username(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        del node.driver_info['ilo_username']
+        self.assertRaises(exception.InvalidParameterValue,
+                          ilo_common.parse_driver_info, node)
+
+    def test_parse_driver_info_missing_password(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        del node.driver_info['ilo_password']
+        self.assertRaises(exception.InvalidParameterValue,
+                          ilo_common.parse_driver_info, node)
+
+    def test_parse_driver_info_invalid_timeout(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        node.driver_info['client_timeout'] = 'qwe'
+        self.assertRaises(exception.InvalidParameterValue,
+                          ilo_common.parse_driver_info, node)
+
+    def test_parse_driver_info_invalid_port(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        node.driver_info['client_port'] = 'qwe'
+        self.assertRaises(exception.InvalidParameterValue,
+                          ilo_common.parse_driver_info, node)
+
+    def test_parse_driver_info_missing_multiple_params(self):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        del node.driver_info['ilo_password']
+        node.driver_info['client_port'] = 'qwe'
+        try:
+            ilo_common.parse_driver_info(node)
+            self.fail("parse_driver_info did not throw exception.")
+        except exception.InvalidParameterValue as e:
+            self.assertIn('ilo_password', str(e))
+            self.assertIn('client_port', str(e))
+
+    @mock.patch.object(ilo_common, 'ilo_client')
+    def test_get_ilo_object(self, ilo_client_mock):
+        info = INFO_DICT
+        info['client_timeout'] = 60
+        info['client_port'] = 443
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        ilo_client_mock.IloClient.return_value = 'ilo_object'
+        returned_ilo_object = ilo_common.get_ilo_object(node)
+        ilo_client_mock.IloClient.assert_called_with(
+            INFO_DICT['ilo_address'],
+            INFO_DICT['ilo_username'],
+            INFO_DICT['ilo_password'],
+            info['client_timeout'],
+            info['client_port'])
+        self.assertEqual('ilo_object', returned_ilo_object)
+
+    @mock.patch.object(ilo_common, 'ilo_client')
+    def test_get_ilo_license(self, ilo_client_mock):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        ilo_advanced_license = {'LICENSE_TYPE': 'iLO 3 Advanced'}
+        ilo_standard_license = {'LICENSE_TYPE': 'iLO 3'}
+
+        ilo_mock_object = ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_all_licenses.return_value = ilo_advanced_license
+
+        license = ilo_common.get_ilo_license(node)
+        self.assertEqual(license, ilo_common.ADVANCED_LICENSE)
+
+        ilo_mock_object.get_all_licenses.return_value = ilo_standard_license
+        license = ilo_common.get_ilo_license(node)
+        self.assertEqual(license, ilo_common.STANDARD_LICENSE)
+
+    @mock.patch.object(ilo_common, 'ilo_client')
+    def test_get_ilo_license_fail(self, ilo_client_mock):
+        node = obj_utils.create_test_node(self.context,
+                                          driver='ilo',
+                                          driver_info=INFO_DICT)
+        ilo_client_mock.IloError = Exception
+        ilo_mock_object = ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_all_licenses.side_effect = [Exception()]
+        self.assertRaises(exception.IloOperationError,
+                          ilo_common.get_ilo_license,
+                          node)
diff --git a/ironic/tests/drivers/ilo/test_power.py b/ironic/tests/drivers/ilo/test_power.py
new file mode 100644
index 000000000..2e3e2dabf
--- /dev/null
+++ b/ironic/tests/drivers/ilo/test_power.py
@@ -0,0 +1,195 @@
+# Copyright 2014 Hewlett-Packard Development Company, L.P.
+# All Rights Reserved.
+#
+#    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.
+
+"""Test class for IloPower module."""
+
+import mock
+from oslo.config import cfg
+
+from ironic.common import exception
+from ironic.common import states
+from ironic.conductor import task_manager
+from ironic.db import api as dbapi
+from ironic.drivers.modules.ilo import common as ilo_common
+from ironic.drivers.modules.ilo import power as ilo_power
+from ironic.openstack.common import context
+from ironic.openstack.common import importutils
+from ironic.tests import base
+from ironic.tests.conductor import utils as mgr_utils
+from ironic.tests.db import utils as db_utils
+from ironic.tests.objects import utils as obj_utils
+
+ilo_client = importutils.try_import('proliantutils.ilo.ribcl')
+
+INFO_DICT = db_utils.get_test_ilo_info()
+CONF = cfg.CONF
+
+
+@mock.patch.object(ilo_common, 'ilo_client')
+@mock.patch.object(ilo_power, 'ilo_client')
+class IloPowerInternalMethodsTestCase(base.TestCase):
+
+    def setUp(self):
+        super(IloPowerInternalMethodsTestCase, self).setUp()
+        driver_info = INFO_DICT
+        mgr_utils.mock_the_extension_manager(driver="ilo")
+        n = db_utils.get_test_node(
+            driver='ilo',
+            driver_info=driver_info,
+            instance_uuid='instance_uuid_123')
+        self.dbapi = dbapi.get_instance()
+        self.node = self.dbapi.create_node(n)
+        self.context = context.get_admin_context()
+        CONF.set_override('power_retry', 2, 'ilo')
+        CONF.set_override('power_wait', 0, 'ilo')
+
+    def test__get_power_state(self, power_ilo_client_mock,
+                              common_ilo_client_mock):
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_host_power_status.return_value = 'ON'
+
+        self.assertEqual(
+            states.POWER_ON, ilo_power._get_power_state(self.node))
+
+        ilo_mock_object.get_host_power_status.return_value = 'OFF'
+        self.assertEqual(
+            states.POWER_OFF, ilo_power._get_power_state(self.node))
+
+        ilo_mock_object.get_host_power_status.return_value = 'ERROR'
+        self.assertEqual(states.ERROR, ilo_power._get_power_state(self.node))
+
+    def test__get_power_state_fail(self, power_ilo_client_mock,
+                                   common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_host_power_status.side_effect = [Exception()]
+
+        self.assertRaises(exception.IloOperationError,
+                         ilo_power._get_power_state,
+                         self.node)
+        ilo_mock_object.get_host_power_status.assert_called_once_with()
+
+    def test__set_power_state_invalid_state(self, power_ilo_client_mock,
+                                            common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        self.assertRaises(exception.IloOperationError,
+                          ilo_power._set_power_state,
+                          self.node,
+                          states.ERROR)
+
+    def test__set_power_state_reboot_fail(self, power_ilo_client_mock,
+                                          common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.reset_server.side_effect = Exception()
+
+        self.assertRaises(exception.IloOperationError,
+                          ilo_power._set_power_state,
+                          self.node,
+                          states.REBOOT)
+        ilo_mock_object.reset_server.assert_called_once_with()
+
+    def test__set_power_state_reboot_ok(self, power_ilo_client_mock,
+                                        common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_host_power_status.side_effect = ['ON', 'OFF', 'ON']
+
+        ilo_power._set_power_state(self.node, states.REBOOT)
+
+        ilo_mock_object.reset_server.assert_called_once_with()
+
+    def test__set_power_state_off_fail(self, power_ilo_client_mock,
+                                       common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_host_power_status.return_value = 'ON'
+
+        self.assertRaises(exception.PowerStateFailure,
+                          ilo_power._set_power_state,
+                          self.node,
+                          states.POWER_OFF)
+
+        ilo_mock_object.get_host_power_status.assert_called_with()
+        ilo_mock_object.hold_pwr_btn.assert_called_once_with()
+
+    def test__set_power_state_on_ok(self, power_ilo_client_mock,
+                                    common_ilo_client_mock):
+        power_ilo_client_mock.IloError = Exception
+        ilo_mock_object = common_ilo_client_mock.IloClient.return_value
+        ilo_mock_object.get_host_power_status.side_effect = ['OFF', 'ON']
+
+        target_state = states.POWER_ON
+        ilo_power._set_power_state(self.node, target_state)
+        ilo_mock_object.get_host_power_status.assert_called_with()
+        ilo_mock_object.set_host_power.assert_called_once_with('ON')
+
+
+class IloPowerTestCase(base.TestCase):
+
+    def setUp(self):
+        self.context = context.get_admin_context()
+        super(IloPowerTestCase, self).setUp()
+        driver_info = INFO_DICT
+        mgr_utils.mock_the_extension_manager(driver="ilo")
+        self.dbapi = dbapi.get_instance()
+        self.node = obj_utils.create_test_node(self.context,
+                                               driver='ilo',
+                                               driver_info=driver_info)
+
+    @mock.patch.object(ilo_common, 'parse_driver_info')
+    def test_validate(self, mock_drvinfo):
+        with task_manager.acquire(self.context, self.node.uuid,
+                                  shared=True) as task:
+            task.driver.power.validate(task)
+            mock_drvinfo.assert_once_called_with(task.node)
+
+    @mock.patch.object(ilo_common, 'parse_driver_info')
+    def test_validate_fail(self, mock_drvinfo):
+        side_effect = exception.InvalidParameterValue("Invalid Input")
+        mock_drvinfo.side_effect = side_effect
+        with task_manager.acquire(self.context, self.node.uuid,
+                                  shared=True) as task:
+            self.assertRaises(exception.InvalidParameterValue,
+                              task.driver.power.validate,
+                              task)
+
+    @mock.patch.object(ilo_power, '_get_power_state')
+    def test_get_power_state(self, mock_get_power):
+        with task_manager.acquire(self.context, self.node.uuid,
+                                  shared=True) as task:
+            mock_get_power.return_value = states.POWER_ON
+            self.assertEqual(states.POWER_ON,
+                             task.driver.power.get_power_state(task))
+            mock_get_power.assert_called_once_with(task.node)
+
+    @mock.patch.object(ilo_power, '_set_power_state')
+    def test_set_power_state(self, mock_set_power):
+        with task_manager.acquire(self.context, self.node.uuid,
+                                  shared=False) as task:
+            mock_set_power.return_value = states.POWER_ON
+            task.driver.power.set_power_state(task, states.POWER_ON)
+            mock_set_power.assert_called_once_with(task.node, states.POWER_ON)
+
+    @mock.patch.object(ilo_power, '_set_power_state')
+    @mock.patch.object(ilo_power, '_get_power_state')
+    def test_reboot(self, mock_get_power, mock_set_power):
+        with task_manager.acquire(self.context, self.node.uuid,
+                                  shared=False) as task:
+            mock_get_power.return_value = states.POWER_ON
+            mock_set_power.return_value = states.POWER_ON
+            task.driver.power.reboot(task)
+            mock_get_power.assert_called_once_with(task.node)
+            mock_set_power.assert_called_once_with(task.node, states.REBOOT)
diff --git a/ironic/tests/drivers/third_party_driver_mocks.py b/ironic/tests/drivers/third_party_driver_mocks.py
index 09f4f1495..076681ba1 100644
--- a/ironic/tests/drivers/third_party_driver_mocks.py
+++ b/ironic/tests/drivers/third_party_driver_mocks.py
@@ -23,6 +23,7 @@ Any external library required by a third-party driver should be mocked here.
 Current list of mocked libraries:
     seamicroclient
     ipminative
+    proliantutils
 """
 
 import sys
@@ -74,3 +75,11 @@ if not pyghmi:
 
 if 'ironic.drivers.modules.ipminative' in sys.modules:
     reload(sys.modules['ironic.drivers.modules.ipminative'])
+
+proliantutils = importutils.try_import('proliantutils')
+if not proliantutils:
+    mock_proliant_utils = mock.MagicMock()
+    sys.modules['proliantutils'] = mock_proliant_utils
+
+if 'ironic.drivers.ilo' in sys.modules:
+    reload(sys.modules['ironic.drivers.ilo'])
diff --git a/setup.cfg b/setup.cfg
index 5d0ba4824..8a9d965a1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,6 +40,7 @@ ironic.drivers =
     pxe_ipminative = ironic.drivers.pxe:PXEAndIPMINativeDriver
     pxe_ssh = ironic.drivers.pxe:PXEAndSSHDriver
     pxe_seamicro = ironic.drivers.pxe:PXEAndSeaMicroDriver
+    ilo = ironic.drivers.ilo:IloDriver
 
 [pbr]
 autodoc_index_modules = True