mirror of
https://github.com/yunionio/cloudpods.git
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72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
// Copyright 2019 Yunion
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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 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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package models
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import (
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"yunion.io/x/pkg/errors"
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"yunion.io/x/onecloud/pkg/apis/monitor"
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)
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const (
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ErrAlertResourceDriverNotFound = errors.Error("Alert resource driver not found")
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ErrAlertResourceDriverDuplicateMatch = errors.Error("Alert resource driver duplicate match")
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)
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var (
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alertResourceDriverFs = make(map[monitor.AlertResourceType]IAlertResourceDriverFactory, 0)
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)
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type IAlertResourceDriverFactory interface {
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// GetType return the driver type
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GetType() monitor.AlertResourceType
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// IsEvalMatched match driver by monitor.EvalMatch
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IsEvalMatched(input monitor.EvalMatch) bool
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GetDriver(input monitor.EvalMatch) IAlertResourceDriver
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}
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type IAlertResourceDriver interface {
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// GetType return the driver type
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GetType() monitor.AlertResourceType
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// GetUniqCond get uniq match conditions from eval match to find AlertResource
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GetUniqCond() *AlertResourceUniqCond
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}
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func RegisterAlertResourceDriverFactory(drvs ...IAlertResourceDriverFactory) {
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for _, drv := range drvs {
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alertResourceDriverFs[drv.GetType()] = drv
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}
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}
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func GetAlertResourceDriver(match monitor.EvalMatch) (IAlertResourceDriver, error) {
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var matchedType monitor.AlertResourceType
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matchedDrvs := make(map[monitor.AlertResourceType]IAlertResourceDriverFactory)
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for _, drv := range alertResourceDriverFs {
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if ok := drv.IsEvalMatched(match); ok {
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matchedDrvs[drv.GetType()] = drv
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matchedType = drv.GetType()
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}
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}
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if len(matchedDrvs) == 0 {
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return nil, errors.Wrapf(ErrAlertResourceDriverNotFound, "match by %v", match)
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}
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if len(matchedDrvs) > 1 {
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return nil, errors.Wrapf(ErrAlertResourceDriverDuplicateMatch, "match by %v", match)
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}
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return matchedDrvs[matchedType].GetDriver(match), nil
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}
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