4235ef7c24
In this changeset, I added the support for both Monasca and Ceilometer for the basic_consolidation strategy. Partially Implements: blueprint monasca-support Change-Id: Ide98550fbf4a29954e46650190a05be1b8800317
422 lines
11 KiB
Python
422 lines
11 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# 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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"""Watcher base exception handling.
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Includes decorator for re-raising Watcher-type exceptions.
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SHOULD include dedicated exception logging.
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"""
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import functools
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import sys
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from keystoneclient import exceptions as keystone_exceptions
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from oslo_log import log as logging
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import six
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from watcher._i18n import _, _LE
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from watcher import conf
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LOG = logging.getLogger(__name__)
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CONF = conf.CONF
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def wrap_keystone_exception(func):
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"""Wrap keystone exceptions and throw Watcher specific exceptions."""
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@functools.wraps(func)
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def wrapped(*args, **kw):
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try:
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return func(*args, **kw)
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except keystone_exceptions.AuthorizationFailure:
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raise AuthorizationFailure(
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client=func.__name__, reason=sys.exc_info()[1])
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except keystone_exceptions.ClientException:
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raise AuthorizationFailure(
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client=func.__name__,
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reason=(_('Unexpected keystone client error occurred: %s')
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% sys.exc_info()[1]))
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return wrapped
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class WatcherException(Exception):
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"""Base Watcher Exception
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To correctly use this class, inherit from it and define
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a 'msg_fmt' property. That msg_fmt will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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msg_fmt = _("An unknown exception occurred")
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code = 500
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headers = {}
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safe = False
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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if not message:
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try:
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message = self.msg_fmt % kwargs
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except Exception:
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# kwargs doesn't match a variable in msg_fmt
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# log the issue and the kwargs
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LOG.exception(_LE('Exception in string format operation'))
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for name, value in kwargs.items():
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LOG.error(_LE("%(name)s: %(value)s"),
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{'name': name, 'value': value})
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if CONF.fatal_exception_format_errors:
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raise
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else:
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# at least get the core msg_fmt out if something happened
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message = self.msg_fmt
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super(WatcherException, self).__init__(message)
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def __str__(self):
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"""Encode to utf-8 then wsme api can consume it as well"""
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if not six.PY3:
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return six.text_type(self.args[0]).encode('utf-8')
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else:
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return self.args[0]
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def __unicode__(self):
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return six.text_type(self.args[0])
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def format_message(self):
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if self.__class__.__name__.endswith('_Remote'):
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return self.args[0]
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else:
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return six.text_type(self)
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class UnsupportedError(WatcherException):
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msg_fmt = _("Not supported")
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class NotAuthorized(WatcherException):
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msg_fmt = _("Not authorized")
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code = 403
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class PolicyNotAuthorized(NotAuthorized):
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msg_fmt = _("Policy doesn't allow %(action)s to be performed.")
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class OperationNotPermitted(NotAuthorized):
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msg_fmt = _("Operation not permitted")
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class Invalid(WatcherException):
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msg_fmt = _("Unacceptable parameters")
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code = 400
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class ObjectNotFound(WatcherException):
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msg_fmt = _("The %(name)s %(id)s could not be found")
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class Conflict(WatcherException):
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msg_fmt = _('Conflict')
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code = 409
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class ResourceNotFound(ObjectNotFound):
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msg_fmt = _("The %(name)s resource %(id)s could not be found")
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code = 404
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class InvalidIdentity(Invalid):
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msg_fmt = _("Expected a uuid or int but received %(identity)s")
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class InvalidOperator(Invalid):
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msg_fmt = _("Filter operator is not valid: %(operator)s not "
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"in %(valid_operators)s")
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class InvalidGoal(Invalid):
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msg_fmt = _("Goal %(goal)s is invalid")
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class InvalidStrategy(Invalid):
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msg_fmt = _("Strategy %(strategy)s is invalid")
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class InvalidAudit(Invalid):
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msg_fmt = _("Audit %(audit)s is invalid")
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class EagerlyLoadedAuditRequired(InvalidAudit):
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msg_fmt = _("Audit %(audit)s was not eagerly loaded")
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class InvalidUUID(Invalid):
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msg_fmt = _("Expected a uuid but received %(uuid)s")
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class InvalidName(Invalid):
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msg_fmt = _("Expected a logical name but received %(name)s")
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class InvalidUuidOrName(Invalid):
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msg_fmt = _("Expected a logical name or uuid but received %(name)s")
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class GoalNotFound(ResourceNotFound):
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msg_fmt = _("Goal %(goal)s could not be found")
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class GoalAlreadyExists(Conflict):
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msg_fmt = _("A goal with UUID %(uuid)s already exists")
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class StrategyNotFound(ResourceNotFound):
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msg_fmt = _("Strategy %(strategy)s could not be found")
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class StrategyAlreadyExists(Conflict):
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msg_fmt = _("A strategy with UUID %(uuid)s already exists")
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class AuditTemplateNotFound(ResourceNotFound):
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msg_fmt = _("AuditTemplate %(audit_template)s could not be found")
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class AuditTemplateAlreadyExists(Conflict):
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msg_fmt = _("An audit_template with UUID or name %(audit_template)s "
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"already exists")
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class AuditTemplateReferenced(Invalid):
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msg_fmt = _("AuditTemplate %(audit_template)s is referenced by one or "
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"multiple audits")
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class AuditTypeNotFound(Invalid):
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msg_fmt = _("Audit type %(audit_type)s could not be found")
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class AuditParameterNotAllowed(Invalid):
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msg_fmt = _("Audit parameter %(parameter)s are not allowed")
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class AuditNotFound(ResourceNotFound):
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msg_fmt = _("Audit %(audit)s could not be found")
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class AuditAlreadyExists(Conflict):
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msg_fmt = _("An audit with UUID %(uuid)s already exists")
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class AuditIntervalNotSpecified(Invalid):
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msg_fmt = _("Interval of audit must be specified for %(audit_type)s.")
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class AuditIntervalNotAllowed(Invalid):
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msg_fmt = _("Interval of audit must not be set for %(audit_type)s.")
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class AuditReferenced(Invalid):
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msg_fmt = _("Audit %(audit)s is referenced by one or multiple action "
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"plans")
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class ActionPlanNotFound(ResourceNotFound):
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msg_fmt = _("ActionPlan %(action_plan)s could not be found")
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class ActionPlanAlreadyExists(Conflict):
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msg_fmt = _("An action plan with UUID %(uuid)s already exists")
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class ActionPlanReferenced(Invalid):
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msg_fmt = _("Action Plan %(action_plan)s is referenced by one or "
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"multiple actions")
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class ActionNotFound(ResourceNotFound):
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msg_fmt = _("Action %(action)s could not be found")
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class ActionAlreadyExists(Conflict):
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msg_fmt = _("An action with UUID %(uuid)s already exists")
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class ActionReferenced(Invalid):
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msg_fmt = _("Action plan %(action_plan)s is referenced by one or "
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"multiple goals")
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class ActionFilterCombinationProhibited(Invalid):
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msg_fmt = _("Filtering actions on both audit and action-plan is "
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"prohibited")
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class EfficacyIndicatorNotFound(ResourceNotFound):
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msg_fmt = _("Efficacy indicator %(efficacy_indicator)s could not be found")
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class EfficacyIndicatorAlreadyExists(Conflict):
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msg_fmt = _("An action with UUID %(uuid)s already exists")
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class ScoringEngineAlreadyExists(Conflict):
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msg_fmt = _("A scoring engine with UUID %(uuid)s already exists")
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class ScoringEngineNotFound(ResourceNotFound):
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msg_fmt = _("ScoringEngine %(scoring_engine)s could not be found")
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class HTTPNotFound(ResourceNotFound):
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pass
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class PatchError(Invalid):
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msg_fmt = _("Couldn't apply patch '%(patch)s'. Reason: %(reason)s")
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# decision engine
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class WorkflowExecutionException(WatcherException):
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msg_fmt = _('Workflow execution error: %(error)s')
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class IllegalArgumentException(WatcherException):
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msg_fmt = _('Illegal argument')
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class NoSuchMetric(WatcherException):
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msg_fmt = _('No such metric')
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class NoDataFound(WatcherException):
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msg_fmt = _('No rows were returned')
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class AuthorizationFailure(WatcherException):
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msg_fmt = _('%(client)s connection failed. Reason: %(reason)s')
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class KeystoneFailure(WatcherException):
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msg_fmt = _("Keystone API endpoint is missing")
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class ClusterEmpty(WatcherException):
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msg_fmt = _("The list of compute node(s) in the cluster is empty")
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class MetricCollectorNotDefined(WatcherException):
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msg_fmt = _("The metrics resource collector is not defined")
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class ClusterStateStale(WatcherException):
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msg_fmt = _("The cluster state is stale")
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class ClusterDataModelCollectionError(WatcherException):
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msg_fmt = _("The cluster data model '%(cdm)s' could not be built")
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class ClusterStateNotDefined(WatcherException):
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msg_fmt = _("The cluster state is not defined")
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class CapacityNotDefined(WatcherException):
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msg_fmt = _("The capacity %(capacity)s is not defined for '%(resource)s'")
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class NoAvailableStrategyForGoal(WatcherException):
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msg_fmt = _("No strategy could be found to achieve the '%(goal)s' goal.")
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class InvalidIndicatorValue(WatcherException):
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msg_fmt = _("The indicator '%(name)s' with value '%(value)s' "
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"and spec type '%(spec_type)s' is invalid.")
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class GlobalEfficacyComputationError(WatcherException):
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msg_fmt = _("Could not compute the global efficacy for the '%(goal)s' "
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"goal using the '%(strategy)s' strategy.")
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class NoMetricValuesForInstance(WatcherException):
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msg_fmt = _("No values returned by %(resource_id)s for %(metric_name)s.")
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class UnsupportedDataSource(UnsupportedError):
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msg_fmt = _("Datasource %(datasource)s is not supported "
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"by strategy %(strategy)s")
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class NoSuchMetricForHost(WatcherException):
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msg_fmt = _("No %(metric)s metric for %(host)s found.")
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class ServiceAlreadyExists(Conflict):
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msg_fmt = _("A service with name %(name)s is already working on %(host)s.")
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class ServiceNotFound(ResourceNotFound):
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msg_fmt = _("The service %(service)s cannot be found.")
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class WildcardCharacterIsUsed(WatcherException):
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msg_fmt = _("You shouldn't use any other IDs of %(resource)s if you use "
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"wildcard character.")
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# Model
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class InstanceNotFound(WatcherException):
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msg_fmt = _("The instance '%(name)s' could not be found")
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class ComputeNodeNotFound(WatcherException):
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msg_fmt = _("The compute node %(name)s could not be found")
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class LoadingError(WatcherException):
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msg_fmt = _("Error loading plugin '%(name)s'")
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class ReservedWord(WatcherException):
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msg_fmt = _("The identifier '%(name)s' is a reserved word")
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class NotSoftDeletedStateError(WatcherException):
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msg_fmt = _("The %(name)s resource %(id)s is not soft deleted")
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class NegativeLimitError(WatcherException):
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msg_fmt = _("Limit should be positive")
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class NotificationPayloadError(WatcherException):
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_msg_fmt = _("Payload not populated when trying to send notification "
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"\"%(class_name)s\"")
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