331 lines
12 KiB
Python
331 lines
12 KiB
Python
# Copyright 2014 Mirantis 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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"""
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Handles all requests to Nova.
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"""
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from novaclient import exceptions as nova_exception
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from novaclient import service_catalog
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from novaclient import utils
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from novaclient.v2 import client as nova_client
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from novaclient.v2.contrib import assisted_volume_snapshots
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from novaclient.v2 import servers as nova_servers
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from oslo_config import cfg
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from oslo_log import log
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import six
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from manila.db import base
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from manila import exception
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from manila.i18n import _
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nova_opts = [
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cfg.StrOpt('nova_catalog_info',
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default='compute:nova:publicURL',
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help='Info to match when looking for nova in the service '
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'catalog. Format is separated values of the form: '
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'<service_type>:<service_name>:<endpoint_type>'),
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cfg.StrOpt('nova_catalog_admin_info',
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default='compute:nova:adminURL',
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help='Same as nova_catalog_info, but for admin endpoint.'),
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cfg.StrOpt('os_region_name',
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default=None,
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help='Region name of this node.'),
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cfg.StrOpt('nova_ca_certificates_file',
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default=None,
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help='Location of CA certificates file to use for nova client '
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'requests.'),
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cfg.BoolOpt('nova_api_insecure',
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default=False,
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help='Allow to perform insecure SSL requests to nova.'),
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cfg.StrOpt('nova_admin_username',
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default='nova',
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help='Nova admin username.'),
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cfg.StrOpt('nova_admin_password',
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help='Nova admin password.'),
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cfg.StrOpt('nova_admin_tenant_name',
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default='service',
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help='Nova admin tenant name.'),
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cfg.StrOpt('nova_admin_auth_url',
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default='http://localhost:5000/v2.0',
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help='Identity service URL.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(nova_opts)
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LOG = log.getLogger(__name__)
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def novaclient(context):
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if context.is_admin and context.project_id is None:
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c = nova_client.Client(CONF.nova_admin_username,
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CONF.nova_admin_password,
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CONF.nova_admin_tenant_name,
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CONF.nova_admin_auth_url)
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c.authenticate()
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return c
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compat_catalog = {
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'access': {'serviceCatalog': context.service_catalog or []}
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}
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sc = service_catalog.ServiceCatalog(compat_catalog)
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nova_catalog_info = CONF.nova_catalog_info
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info = nova_catalog_info
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service_type, service_name, endpoint_type = info.split(':')
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# extract the region if set in configuration
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if CONF.os_region_name:
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attr = 'region'
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filter_value = CONF.os_region_name
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else:
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attr = None
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filter_value = None
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url = sc.url_for(attr=attr,
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filter_value=filter_value,
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service_type=service_type,
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service_name=service_name,
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endpoint_type=endpoint_type)
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LOG.debug('Novaclient connection created using URL: %s', url)
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extensions = [assisted_volume_snapshots]
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c = nova_client.Client(context.user_id,
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context.auth_token,
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context.project_id,
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auth_url=url,
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insecure=CONF.nova_api_insecure,
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cacert=CONF.nova_ca_certificates_file,
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extensions=extensions)
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# noauth extracts user_id:project_id from auth_token
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c.client.auth_token = context.auth_token or '%s:%s' % (context.user_id,
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context.project_id)
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c.client.management_url = url
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return c
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def _untranslate_server_summary_view(server):
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"""Maps keys for servers summary view."""
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d = {}
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d['id'] = server.id
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d['status'] = server.status
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d['flavor'] = server.flavor['id']
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d['name'] = server.name
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d['image'] = server.image['id']
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d['created'] = server.created
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d['addresses'] = server.addresses
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d['networks'] = server.networks
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d['tenant_id'] = server.tenant_id
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d['user_id'] = server.user_id
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d['security_groups'] = getattr(server, 'security_groups', [])
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return d
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def _to_dict(obj):
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if isinstance(obj, dict):
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return obj
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elif hasattr(obj, 'to_dict'):
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return obj.to_dict()
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else:
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return obj.__dict__
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def translate_server_exception(method):
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"""Transforms the exception for the instance.
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Note: keeps its traceback intact.
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"""
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def wrapper(self, ctx, instance_id, *args, **kwargs):
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try:
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res = method(self, ctx, instance_id, *args, **kwargs)
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except nova_exception.ClientException as e:
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if isinstance(e, nova_exception.NotFound):
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raise exception.InstanceNotFound(instance_id=instance_id)
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elif isinstance(e, nova_exception.BadRequest):
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raise exception.InvalidInput(reason=six.text_type(e))
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return res
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return wrapper
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class API(base.Base):
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"""API for interacting with novaclient."""
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def server_create(self, context, name, image, flavor, key_name=None,
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user_data=None, security_groups=None,
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block_device_mapping=None,
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block_device_mapping_v2=None, nics=None,
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availability_zone=None, instance_count=1,
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admin_pass=None, meta=None):
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return _untranslate_server_summary_view(
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novaclient(context).servers.create(
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name, image, flavor, userdata=user_data,
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security_groups=security_groups, key_name=key_name,
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block_device_mapping=block_device_mapping,
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block_device_mapping_v2=block_device_mapping_v2,
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nics=nics, availability_zone=availability_zone,
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min_count=instance_count, admin_pass=admin_pass,
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meta=meta)
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)
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def server_delete(self, context, instance):
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novaclient(context).servers.delete(instance)
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@translate_server_exception
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def server_get(self, context, instance_id):
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return _untranslate_server_summary_view(
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novaclient(context).servers.get(instance_id)
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)
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def server_get_by_name_or_id(self, context, instance_name_or_id):
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try:
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server = utils.find_resource(
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novaclient(context).servers, instance_name_or_id)
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except nova_exception.CommandError as e:
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msg = _("Failed to get Nova VM. %s") % e
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raise exception.ManilaException(msg)
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return _untranslate_server_summary_view(server)
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def server_list(self, context, search_opts=None, all_tenants=False):
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if search_opts is None:
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search_opts = {}
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if all_tenants:
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search_opts['all_tenants'] = True
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else:
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search_opts['project_id'] = context.project_id
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servers = [_untranslate_server_summary_view(s)
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for s in novaclient(context).servers.list(True,
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search_opts)]
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return servers
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@translate_server_exception
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def server_pause(self, context, instance_id):
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novaclient(context).servers.pause(instance_id)
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@translate_server_exception
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def server_unpause(self, context, instance_id):
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novaclient(context).servers.unpause(instance_id)
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@translate_server_exception
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def server_suspend(self, context, instance_id):
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novaclient(context).servers.suspend(instance_id)
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@translate_server_exception
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def server_resume(self, context, instance_id):
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novaclient(context).servers.resume(instance_id)
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@translate_server_exception
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def server_reboot(self, context, instance_id, soft_reboot=False):
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hardness = nova_servers.REBOOT_HARD
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if soft_reboot:
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hardness = nova_servers.REBOOT_SOFT
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novaclient(context).servers.reboot(instance_id, hardness)
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@translate_server_exception
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def server_rebuild(self, context, instance_id, image_id, password=None):
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return _untranslate_server_summary_view(
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novaclient(context).servers.rebuild(instance_id, image_id,
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password)
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)
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@translate_server_exception
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def instance_volume_attach(self, context, instance_id, volume_id,
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device=None):
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if device == 'auto':
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device = None
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return novaclient(context).volumes.create_server_volume(instance_id,
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volume_id,
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device)
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@translate_server_exception
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def instance_volume_detach(self, context, instance_id, att_id):
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return novaclient(context).volumes.delete_server_volume(instance_id,
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att_id)
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@translate_server_exception
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def instance_volumes_list(self, context, instance_id):
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from manila.volume import cinder
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volumes = novaclient(context).volumes.get_server_volumes(instance_id)
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for volume in volumes:
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volume_data = cinder.cinderclient(context).volumes.get(volume.id)
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volume.name = volume_data.name
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return volumes
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@translate_server_exception
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def server_update(self, context, instance_id, name):
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return _untranslate_server_summary_view(
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novaclient(context).servers.update(instance_id, name=name)
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)
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def update_server_volume(self, context, instance_id, attachment_id,
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new_volume_id):
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novaclient(context).volumes.update_server_volume(instance_id,
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attachment_id,
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new_volume_id)
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def keypair_create(self, context, name):
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return novaclient(context).keypairs.create(name)
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def keypair_import(self, context, name, public_key):
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return novaclient(context).keypairs.create(name, public_key)
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def keypair_delete(self, context, keypair_id):
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novaclient(context).keypairs.delete(keypair_id)
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def keypair_list(self, context):
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return novaclient(context).keypairs.list()
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def image_list(self, context):
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return novaclient(context).images.list()
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def add_security_group_to_server(self, context, server, security_group):
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return novaclient(context).servers.add_security_group(server,
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security_group)
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def security_group_create(self, context, name, description=""):
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return novaclient(context).security_groups.create(name, description)
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def security_group_get(self, context, group_id):
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return novaclient(context).security_groups.get(group_id)
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def security_group_list(self, context, search_opts=None):
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return novaclient(context).security_groups.list(search_opts)
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def security_group_rule_create(self, context, parent_group_id,
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ip_protocol=None, from_port=None,
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to_port=None, cidr=None, group_id=None):
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return novaclient(context).security_group_rules.create(
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parent_group_id, ip_protocol, from_port, to_port, cidr, group_id)
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def security_group_rule_delete(self, context, rule):
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return novaclient(context).security_group_rules.delete(rule)
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def fixed_ip_reserve(self, context, fixed_ip):
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return novaclient(context).fixed_ips.reserve(fixed_ip)
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def fixed_ip_unreserve(self, context, fixed_ip):
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return novaclient(context).fixed_ips.unreserve(fixed_ip)
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def fixed_ip_get(self, context, fixed_ip):
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return _to_dict(novaclient(context).fixed_ips.get(fixed_ip))
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def network_get(self, context, network_id):
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"""Return network data by its ID."""
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return _to_dict(novaclient(context).networks.get(network_id))
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