204 lines
6.7 KiB
Python
204 lines
6.7 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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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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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic.common.i18n import _LW
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from ironic.drivers import base
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from ironic.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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def _raise_unsupported_error(method=None):
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if method:
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raise exception.UnsupportedDriverExtension(_(
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"Unsupported method (%s) passed through to vendor extension.")
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% method)
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raise exception.MissingParameterValue(_(
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"Method not specified when calling vendor extension."))
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class MixinVendorInterface(base.VendorInterface):
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"""Wrapper around multiple VendorInterfaces."""
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def __init__(self, mapping, driver_passthru_mapping=None):
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"""Wrapper around multiple VendorInterfaces.
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:param mapping: dict of {'method': interface} specifying how to combine
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multiple vendor interfaces into one vendor driver.
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:param driver_passthru_mapping: dict of {'method': interface}
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specifying how to map
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driver_vendor_passthru calls to
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interfaces.
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"""
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self.mapping = mapping
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self.driver_level_mapping = driver_passthru_mapping or {}
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def _map(self, **kwargs):
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method = kwargs.get('method')
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return self.mapping.get(method) or _raise_unsupported_error(method)
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def get_properties(self):
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"""Return the properties from all the VendorInterfaces.
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:returns: a dictionary of <property_name>:<property_description>
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entries.
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"""
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properties = {}
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interfaces = set(self.mapping.values())
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for interface in interfaces:
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properties.update(interface.get_properties())
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return properties
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def validate(self, *args, **kwargs):
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"""Call validate on the appropriate interface only.
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:raises: UnsupportedDriverExtension if 'method' can not be mapped to
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the supported interfaces.
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:raises: InvalidParameterValue if **kwargs does not contain 'method'.
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:raisee: MissingParameterValue if missing parameters in kwargs.
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"""
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route = self._map(**kwargs)
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route.validate(*args, **kwargs)
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def vendor_passthru(self, task, **kwargs):
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"""Call vendor_passthru on the appropriate interface only.
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Returns or raises according to the requested vendor_passthru method.
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:raises: UnsupportedDriverExtension if 'method' can not be mapped to
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the supported interfaces.
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:raises: MissingParameterValue if **kwargs does not contain 'method'.
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"""
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route = self._map(**kwargs)
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return route.vendor_passthru(task, **kwargs)
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def driver_vendor_passthru(self, context, method, **kwargs):
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"""Call driver_vendor_passthru on a mapped interface based on the
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specified method.
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Returns or raises according to the requested driver_vendor_passthru
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:raises: UnsupportedDriverExtension if 'method' cannot be mapped to
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a supported interface.
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"""
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iface = self.driver_level_mapping.get(method)
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if iface is None:
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_raise_unsupported_error(method)
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return iface.driver_vendor_passthru(context, method, **kwargs)
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def get_node_mac_addresses(task):
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"""Get all MAC addresses for the ports belonging to this task's node.
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:param task: a TaskManager instance containing the node to act on.
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:returns: A list of MAC addresses in the format xx:xx:xx:xx:xx:xx.
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"""
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return [p.address for p in task.ports]
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def get_node_capability(node, capability):
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"""Returns 'capability' value from node's 'capabilities' property.
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:param node: Node object.
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:param capability: Capability key.
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:return: Capability value.
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If capability is not present, then return "None"
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"""
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capabilities = node.properties.get('capabilities')
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if not capabilities:
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return
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for node_capability in capabilities.split(','):
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parts = node_capability.split(':')
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if len(parts) == 2 and parts[0] and parts[1]:
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if parts[0] == capability:
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return parts[1]
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else:
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LOG.warn(_LW("Ignoring malformed capability '%s'. "
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"Format should be 'key:val'."), node_capability)
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def rm_node_capability(task, capability):
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"""Remove 'capability' from node's 'capabilities' property.
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:param task: Task object.
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:param capability: Capability key.
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"""
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node = task.node
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capabilities = node.properties.get('capabilities')
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if not capabilities:
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return
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caps = []
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for cap in capabilities.split(','):
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parts = cap.split(':')
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if len(parts) == 2 and parts[0] and parts[1]:
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if parts[0] == capability:
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continue
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caps.append(cap)
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new_cap_str = ",".join(caps)
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node.properties['capabilities'] = new_cap_str if new_cap_str else None
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node.save(task.context)
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def add_node_capability(task, capability, value):
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"""Add 'capability' to node's 'capabilities' property.
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If 'capability' is already present, then a duplicate entry
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will be added.
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:param task: Task object.
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:param capability: Capability key.
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:param value: Capability value.
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"""
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node = task.node
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capabilities = node.properties.get('capabilities')
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new_cap = ':'.join([capability, value])
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if capabilities:
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capabilities = ','.join([capabilities, new_cap])
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else:
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capabilities = new_cap
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node.properties['capabilities'] = capabilities
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node.save(task.context)
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def validate_boot_mode_capability(node):
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"""Validate the boot_mode capability set in node property.
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:param node: an ironic node object.
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:raises: InvalidParameterValue, if 'boot_mode' capability is set
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other than 'bios' or 'uefi' or None.
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"""
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boot_mode = get_node_capability(node, 'boot_mode')
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if boot_mode and boot_mode not in ['bios', 'uefi']:
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raise exception.InvalidParameterValue(_("Invalid boot_mode "
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"parameter '%s'.") % boot_mode)
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