300 lines
12 KiB
Python
Executable File
300 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2015 Red Hat Inc.
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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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import argparse
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import json
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import os
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import yaml
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import os_client_config
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def _parse_args():
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parser = argparse.ArgumentParser(
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prog='build-nodes-json.py',
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description='Tool for collecting virtual IPMI details',
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)
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parser.add_argument('--env', '-e',
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dest='env',
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default=None,
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help='YAML file containing OVB environment details')
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parser.add_argument('--bmc_prefix',
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dest='bmc_prefix',
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default='bmc',
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help='BMC name prefix')
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parser.add_argument('--baremetal_prefix',
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dest='baremetal_prefix',
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default='baremetal',
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help='Baremetal name prefix')
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parser.add_argument('--private_net',
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dest='private_net',
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default='private',
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help='DEPRECATED: This parameter is ignored.')
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parser.add_argument('--provision_net',
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dest='provision_net',
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default='provision',
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help='DEPRECATED: This parameter is ignored.')
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parser.add_argument('--nodes_json',
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dest='nodes_json',
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default='nodes.json',
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help='Destination to store the nodes json file to')
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parser.add_argument('--add_undercloud',
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dest='add_undercloud',
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action='store_true',
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help='DEPRECATED: Use --network_details instead. '
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'Adds the undercloud details to the json file.')
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parser.add_argument('--network_details',
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dest='network_details',
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action='store_true',
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help='Include addresses for all nodes on all networks '
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'in a network_details key')
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# TODO(dtantsur): change the default to ipmi when Ocata is not supported
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parser.add_argument('--driver', default='pxe_ipmitool',
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help='Bare metal driver to use')
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parser.add_argument('--physical_network',
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action='store_true',
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help='Set the physical network attribute of baremetal '
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'ports. (Requires Rocky or later Ironic)')
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args = parser.parse_args()
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return args
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def _get_names(args):
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if args.env is None:
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bmc_base = args.bmc_prefix
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baremetal_base = args.baremetal_prefix
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# FIXME: This is not necessarily true.
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undercloud_name = 'undercloud'
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else:
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with open(args.env) as f:
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e = yaml.safe_load(f)
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bmc_base = e['parameter_defaults']['bmc_prefix']
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baremetal_base = e['parameter_defaults']['baremetal_prefix']
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role = e.get('parameter_defaults', {}).get('role')
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if role and baremetal_base.endswith('-' + role):
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baremetal_base = baremetal_base[:-len(role) - 1]
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undercloud_name = e.get('parameter_defaults', {}).get('undercloud_name') # noqa: E501
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return bmc_base, baremetal_base, undercloud_name
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def _get_clients():
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cloud = os.environ.get('OS_CLOUD')
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nova = os_client_config.make_client('compute', cloud=cloud)
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neutron = os_client_config.make_client('network', cloud=cloud)
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glance = os_client_config.make_client('image', cloud=cloud)
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return nova, neutron, glance
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def _get_ports(neutron, bmc_base, baremetal_base):
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all_ports = sorted(neutron.list_ports()['ports'], key=lambda x: x['name'])
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bmc_ports = list([p for p in all_ports
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if p['name'].startswith(bmc_base)])
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bm_ports = list([p for p in all_ports
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if p['name'].startswith(baremetal_base)])
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if len(bmc_ports) != len(bm_ports):
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raise RuntimeError('Found different numbers of baremetal and '
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'bmc ports. bmc: %s baremetal: %s' % (bmc_ports,
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bm_ports))
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provision_net_map = {}
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for port in bm_ports:
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provision_net_map.update({
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port.get('id'):
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neutron.list_subnets(
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id=port['fixed_ips'][0]['subnet_id'])['subnets'][0].get(
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'name')})
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return bmc_ports, bm_ports, provision_net_map
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def _build_nodes(nova, glance, bmc_ports, bm_ports, provision_net_map,
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baremetal_base, undercloud_name, driver, physical_network):
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node_template = {
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'pm_type': driver,
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'mac': '',
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'cpu': '',
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'memory': '',
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'disk': '',
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'arch': 'x86_64',
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'pm_user': 'admin',
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'pm_password': 'password',
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'pm_addr': '',
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'capabilities': 'boot_option:local',
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'name': '',
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}
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if physical_network:
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node_template.pop('mac')
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nodes = []
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bmc_bm_pairs = []
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cache = {}
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network_details = {}
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for bmc_port, baremetal_port in zip(bmc_ports, bm_ports):
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baremetal = nova.servers.get(baremetal_port['device_id'])
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network_details[baremetal.name] = {}
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network_details[baremetal.name]['id'] = baremetal.id
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network_details[baremetal.name]['ips'] = baremetal.addresses
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node = dict(node_template)
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node['pm_addr'] = bmc_port['fixed_ips'][0]['ip_address']
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bmc_bm_pairs.append((node['pm_addr'], baremetal.name))
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provision_net = provision_net_map.get(baremetal_port['id'])
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mac = baremetal.addresses[provision_net][0]['OS-EXT-IPS-MAC:mac_addr']
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if physical_network:
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node.update({'ports': [{'address': mac,
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'physical_network': provision_net}]})
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else:
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node['mac'] = [mac]
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if not cache.get(baremetal.flavor['id']):
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cache[baremetal.flavor['id']] = nova.flavors.get(
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baremetal.flavor['id'])
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flavor = cache.get(baremetal.flavor['id'])
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node['cpu'] = flavor.vcpus
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node['memory'] = flavor.ram
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node['disk'] = flavor.disk
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# NOTE(bnemec): Older versions of Ironic won't allow _ characters in
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# node names, so translate to the allowed character -
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node['name'] = baremetal.name.replace('_', '-')
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# If a node has uefi firmware ironic needs to be aware of this, in nova
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# this is set using a image property called "hw_firmware_type"
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# NOTE(bnemec): Boot from volume does not have an image associated with
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# the instance so we can't do this.
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if baremetal.image:
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if not cache.get(baremetal.image['id']):
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cache[baremetal.image['id']] = glance.images.get(
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baremetal.image['id'])
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image = cache.get(baremetal.image['id'])
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if image.get('hw_firmware_type') == 'uefi':
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node['capabilities'] += ",boot_mode:uefi"
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else:
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# With boot from volume the flavor disk size doesn't matter. We
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# need to look up the volume disk size.
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cloud = os.environ.get('OS_CLOUD')
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cinder = os_client_config.make_client('volume', cloud=cloud)
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vol_id = baremetal.to_dict()[
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'os-extended-volumes:volumes_attached'][0]['id']
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volume = cinder.volumes.get(vol_id)
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node['disk'] = volume.size
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bm_name_end = baremetal.name[len(baremetal_base):]
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if '-' in bm_name_end:
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profile = bm_name_end[1:].split('_')[0]
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node['capabilities'] += ',profile:%s' % profile
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nodes.append(node)
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extra_nodes = []
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if undercloud_name:
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undercloud_node_template = {
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'name': undercloud_name,
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'id': '',
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'ips': [],
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}
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try:
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undercloud_instance = nova.servers.list(
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search_opts={'name': undercloud_name})[0]
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except IndexError:
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print('Undercloud %s specified in the environment file is not '
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'available in nova. No undercloud details will be '
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'included in the output.' % undercloud_name)
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else:
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undercloud_node_template['id'] = undercloud_instance.id
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undercloud_node_template['ips'] = nova.servers.ips(
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undercloud_instance)
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extra_nodes.append(undercloud_node_template)
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network_details[undercloud_name] = dict(
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id=undercloud_instance.id,
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ips=undercloud_instance.addresses)
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return nodes, bmc_bm_pairs, extra_nodes, network_details
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def _write_nodes(nodes, extra_nodes, network_details, args):
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with open(args.nodes_json, 'w') as node_file:
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resulting_json = {'nodes': nodes}
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if args.add_undercloud and extra_nodes:
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resulting_json['extra_nodes'] = extra_nodes
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if args.network_details:
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resulting_json['network_details'] = network_details
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contents = json.dumps(resulting_json, indent=2)
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node_file.write(contents)
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print(contents)
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print('Wrote node definitions to %s' % args.nodes_json)
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def _get_node_profile(node):
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parts = node['capabilities'].split(',')
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for p in parts:
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if p.startswith('profile'):
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return p.split(':')[-1]
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return ''
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def _write_role_nodes(nodes, args):
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by_profile = {}
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for n in nodes:
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by_profile.setdefault(_get_node_profile(n), []).append(n)
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# Don't write role-specific files if no roles were used.
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if len(by_profile) == 1 and list(by_profile.keys())[0] == '':
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return
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for profile, profile_nodes in by_profile.items():
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filepart = profile
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if not profile:
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filepart = 'no-profile'
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outfile = '%s-%s.json' % (os.path.splitext(args.nodes_json)[0],
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filepart)
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with open(outfile, 'w') as f:
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contents = json.dumps({'nodes': profile_nodes}, indent=2)
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f.write(contents)
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print(contents)
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print('Wrote profile "%s" node definitions to %s' %
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(profile, outfile))
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# TODO(bnemec): This functionality was deprecated 2018-01-24. Remove it in
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# about six months.
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def _write_pairs(bmc_bm_pairs):
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filename = 'bmc_bm_pairs'
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with open(filename, 'w') as pairs_file:
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pairs_file.write('# This file is DEPRECATED. The mapping is now '
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'available in nodes.json.\n')
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pairs_file.write('# A list of BMC addresses and the name of the '
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'instance that BMC manages.\n')
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for i in bmc_bm_pairs:
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pair = '%s %s' % i
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pairs_file.write(pair + '\n')
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print(pair)
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print('Wrote BMC to instance mapping file to %s' % filename)
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def main():
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args = _parse_args()
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bmc_base, baremetal_base, undercloud_name = _get_names(args)
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nova, neutron, glance = _get_clients()
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bmc_ports, bm_ports, provision_net_map = _get_ports(neutron, bmc_base,
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baremetal_base)
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(nodes,
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bmc_bm_pairs,
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extra_nodes,
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network_details) = _build_nodes(nova, glance, bmc_ports, bm_ports,
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provision_net_map, baremetal_base,
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undercloud_name, args.driver,
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args.physical_network)
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_write_nodes(nodes, extra_nodes, network_details, args)
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_write_role_nodes(nodes, args)
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_write_pairs(bmc_bm_pairs)
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if __name__ == '__main__':
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main()
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