console/model/alerting/metric.go

93 lines
3.0 KiB
Go

// Copyright (C) INFINI Labs & INFINI LIMITED.
//
// The INFINI Console is offered under the GNU Affero General Public License v3.0
// and as commercial software.
//
// For commercial licensing, contact us at:
// - Website: infinilabs.com
// - Email: hello@infini.ltd
//
// Open Source licensed under AGPL V3:
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
/* Copyright © INFINI Ltd. All rights reserved.
* web: https://infinilabs.com
* mail: hello#infini.ltd */
package alerting
import (
"fmt"
"infini.sh/console/model/insight"
"infini.sh/framework/modules/elastic/common"
"regexp"
)
type Metric struct {
insight.Metric
Title string `json:"title,omitempty"` //text template
Message string `json:"message,omitempty"` // text template
Expression string `json:"expression,omitempty" elastic_mapping:"expression:{type:keyword,copy_to:search_text}"` //告警表达式,自动生成 eg: avg(cpu) > 80
}
func (m *Metric) GenerateExpression() (string, error) {
if len(m.Items) == 1 {
return fmt.Sprintf("%s(%s)", m.Items[0].Statistic, m.Items[0].Field), nil
}
if m.Formula == "" {
return "", fmt.Errorf("formula should not be empty since there are %d metrics", len(m.Items))
}
var (
expressionBytes = []byte(m.Formula)
metricExpression string
)
for _, item := range m.Items {
metricExpression = fmt.Sprintf("%s(%s)", item.Statistic, item.Field)
reg, err := regexp.Compile(item.Name + `([^\w]|$)`)
if err != nil {
return "", err
}
expressionBytes = reg.ReplaceAll(expressionBytes, []byte(metricExpression+"$1"))
}
return string(expressionBytes), nil
}
type MetricItem struct {
Name string `json:"name"`
Field string `json:"field"`
Statistic string `json:"statistic"`
}
type QueryResult struct {
Query string `json:"query"`
Raw string `json:"raw"`
MetricData []MetricData `json:"metric_data"`
Nodata bool `json:"nodata"`
Min interface{} `json:"-"`
Max interface{} `json:"-"`
}
type MetricData struct {
GroupValues []string `json:"group_values"`
Data map[string][]TimeMetricData `json:"data"`
}
type TimeMetricData []interface{}
type AlertMetricItem struct {
common.MetricItem
BucketGroups [][]string `json:"bucket_groups,omitempty"`
}