99 lines
3.7 KiB
Python
Executable File
99 lines
3.7 KiB
Python
Executable File
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Standard set of plugins."""
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import logging
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from oslo_utils import netutils
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from daisy_discoverd import conf
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from daisy_discoverd.plugins import base
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from daisy_discoverd import utils
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LOG = logging.getLogger('daisy_discoverd.plugins.standard')
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class SchedulerHook(base.ProcessingHook):
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"""Nova scheduler required properties."""
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KEYS = ('cpus', 'cpu_arch', 'memory_mb', 'local_gb')
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def before_processing(self, node_info):
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"""Validate that required properties are provided by the ramdisk."""
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missing = [key for key in self.KEYS if not node_info.get(key)]
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if missing:
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raise utils.Error(
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'The following required parameters are missing: %s' %
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missing)
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LOG.info('Discovered data: CPUs: %(cpus)s %(cpu_arch)s, '
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'memory %(memory_mb)s MiB, disk %(local_gb)s GiB',
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{key: node_info.get(key) for key in self.KEYS})
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def before_update(self, node, ports, node_info):
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"""Update node with scheduler properties."""
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overwrite = conf.getboolean('discoverd', 'overwrite_existing')
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patch = [{'op': 'add', 'path': '/properties/%s' % key,
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'value': str(node_info[key])}
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for key in self.KEYS
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if overwrite or not node.properties.get(key)]
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return patch, {}
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class ValidateInterfacesHook(base.ProcessingHook):
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"""Hook to validate network interfaces."""
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def before_processing(self, node_info):
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"""Validate information about network interfaces."""
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bmc_address = node_info.get('ipmi_address')
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compat = conf.getboolean('discoverd', 'ports_for_inactive_interfaces')
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if 'interfaces' not in node_info and 'macs' in node_info:
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LOG.warning('Using "macs" field is deprecated, please '
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'update your discovery ramdisk')
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node_info['interfaces'] = {
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'dummy%d' % i: {'mac': m}
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for i, m in enumerate(node_info['macs'])}
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compat = True
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valid_interfaces = {
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n: iface for n, iface in node_info['interfaces'].items()
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if (netutils.is_valid_mac(iface.get('mac'))
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and (compat or iface.get('ip')))
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}
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valid_macs = [iface['mac'] for iface in valid_interfaces.values()]
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if valid_interfaces != node_info['interfaces']:
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LOG.warning(
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'The following interfaces were invalid or not eligible in '
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'introspection data for node with BMC %(ipmi_address)s and '
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'were excluded: %(invalid)s',
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{'invalid': {n: iface
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for n, iface in node_info['interfaces'].items()
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if n not in valid_interfaces},
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'ipmi_address': bmc_address})
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LOG.info('Eligible interfaces are %s', valid_interfaces)
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node_info['interfaces'] = valid_interfaces
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node_info['macs'] = valid_macs
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class RamdiskErrorHook(base.ProcessingHook):
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"""Hook to process error send from the ramdisk."""
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def before_processing(self, node_info):
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if not node_info.get('error'):
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return
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raise utils.Error('Ramdisk reported error: %s' % node_info['error'])
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