blob: a79e3af3bfff8f7b47a57ca00f8f75addc9762d3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# 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.
from oslo_log import log
from ironic_python_agent import exceptions
from ironic_python_agent import hardware
LOG = log.getLogger()
def _is_supported_disk(block_device):
# Helper methods are outside the class, to prevent them from being called
# by dispatch_to_managers.
#
# This method would perform checks to see if this is a disk that is
# supported by this custom hardware manager.
return True
class ExampleDiskEraserHardwareManager(hardware.HardwareManager):
"""Example hardware manager to support wiping a specific model disk"""
# All hardware managers have a name and a version.
# Version should be bumped anytime a change is introduced. This will
# signal to Ironic that if automatic node cleaning is in progress to
# restart it from the beginning, to ensure consistency. The value can
# be anything; it's checked for equality against previously seen
# name:manager pairs.
HARDWARE_MANAGER_NAME = 'ExampleDiskEraserHardwareManager'
HARDWARE_MANAGER_VERSION = '1'
def evaluate_hardware_support(self):
"""Declare level of hardware support provided.
Since this example covers a case of supporting a specific device,
for disk erasure, we're going to return SERVICE_PROVIDER statically,
and actually do disk detection in erase_device method.
:returns: HardwareSupport level for this manager.
"""
return hardware.HardwareSupport.SERVICE_PROVIDER
def erase_block_device(self, node, block_device):
"""Erases hardware via custom utility if supported."""
if not _is_supported_disk(block_device):
raise exceptions.IncompatibleHardwareMethodError(
"Not supported by this manager")
# Put your code here to wipe the disk.
|
