135 lines
5.3 KiB
Python
135 lines
5.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack LLC.
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# All Rights Reserved.
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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 datetime
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import webob.exc
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from nova.api.openstack import extensions
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from nova import config
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from nova import db
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from nova.openstack.common import cfg
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from nova import utils
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CONF = cfg.CONF
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authorize = extensions.extension_authorizer('compute',
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'instance_usage_audit_log')
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class InstanceUsageAuditLogController(object):
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def index(self, req):
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context = req.environ['nova.context']
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authorize(context)
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task_log = self._get_audit_task_logs(context)
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return {'instance_usage_audit_logs': task_log}
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def show(self, req, id):
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context = req.environ['nova.context']
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authorize(context)
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try:
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if '.' in id:
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before_date = datetime.datetime.strptime(str(id),
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"%Y-%m-%d %H:%M:%S.%f")
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else:
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before_date = datetime.datetime.strptime(str(id),
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"%Y-%m-%d %H:%M:%S")
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except ValueError:
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msg = _("Invalid timestamp for date %s") % id
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raise webob.exc.HTTPBadRequest(explanation=msg)
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task_log = self._get_audit_task_logs(context,
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before=before_date)
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return {'instance_usage_audit_log': task_log}
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def _get_audit_task_logs(self, context, begin=None, end=None,
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before=None):
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"""Returns a full log for all instance usage audit tasks on all
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computes.
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:param begin: datetime beginning of audit period to get logs for,
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Defaults to the beginning of the most recently completed
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audit period prior to the 'before' date.
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:param end: datetime ending of audit period to get logs for,
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Defaults to the ending of the most recently completed
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audit period prior to the 'before' date.
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:param before: By default we look for the audit period most recently
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completed before this datetime. Has no effect if both begin and end
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are specified.
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"""
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defbegin, defend = utils.last_completed_audit_period(before=before)
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if begin is None:
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begin = defbegin
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if end is None:
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end = defend
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task_logs = db.task_log_get_all(context, "instance_usage_audit",
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begin, end)
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# We do this this way to include disabled compute services,
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# which can have instances on them. (mdragon)
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services = [svc for svc in db.service_get_all(context)
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if svc['topic'] == CONF.compute_topic]
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hosts = set(serv['host'] for serv in services)
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seen_hosts = set()
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done_hosts = set()
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running_hosts = set()
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total_errors = 0
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total_items = 0
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for tlog in task_logs:
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seen_hosts.add(tlog['host'])
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if tlog['state'] == "DONE":
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done_hosts.add(tlog['host'])
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if tlog['state'] == "RUNNING":
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running_hosts.add(tlog['host'])
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total_errors += tlog['errors']
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total_items += tlog['task_items']
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log = dict((tl['host'], dict(state=tl['state'],
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instances=tl['task_items'],
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errors=tl['errors'],
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message=tl['message']))
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for tl in task_logs)
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missing_hosts = hosts - seen_hosts
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overall_status = "%s hosts done. %s errors." % (
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'ALL' if len(done_hosts) == len(hosts)
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else "%s of %s" % (len(done_hosts), len(hosts)),
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total_errors)
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return dict(period_beginning=str(begin),
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period_ending=str(end),
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num_hosts=len(hosts),
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num_hosts_done=len(done_hosts),
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num_hosts_running=len(running_hosts),
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num_hosts_not_run=len(missing_hosts),
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hosts_not_run=list(missing_hosts),
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total_instances=total_items,
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total_errors=total_errors,
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overall_status=overall_status,
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log=log)
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class Instance_usage_audit_log(extensions.ExtensionDescriptor):
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"""Admin-only Task Log Monitoring"""
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name = "OSInstanceUsageAuditLog"
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alias = "os-instance_usage_audit_log"
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namespace = "http://docs.openstack.org/ext/services/api/v1.1"
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updated = "2012-07-06T01:00:00+00:00"
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def get_resources(self):
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ext = extensions.ResourceExtension('os-instance_usage_audit_log',
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InstanceUsageAuditLogController())
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return [ext]
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