94 lines
2.5 KiB
Go
94 lines
2.5 KiB
Go
/* Copyright © INFINI Ltd. All rights reserved.
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* web: https://infinilabs.com
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* mail: hello#infini.ltd */
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package insight
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import (
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"fmt"
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"regexp"
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)
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type Metric struct {
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AggTypes []string `json:"agg_types,omitempty"`
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IndexPattern string `json:"index_pattern,omitempty"`
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TimeField string `json:"time_field,omitempty"`
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BucketSize string `json:"bucket_size,omitempty"`
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Filter interface{} `json:"filter,omitempty"`
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Groups []MetricGroupItem `json:"groups,omitempty"` //bucket group
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Sort []GroupSort `json:"sort,omitempty"`
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ClusterId string `json:"cluster_id,omitempty"`
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Formula string `json:"formula,omitempty"`
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Items []MetricItem `json:"items"`
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FormatType string `json:"format_type,omitempty"`
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TimeFilter interface{} `json:"time_filter,omitempty"`
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TimeBeforeGroup bool `json:"time_before_group,omitempty"`
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BucketLabel *BucketLabel `json:"bucket_label,omitempty"`
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}
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type GroupSort struct {
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Key string `json:"key"`
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Direction string `json:"direction"`
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}
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type MetricGroupItem struct {
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Field string `json:"field"`
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Limit int `json:"limit"`
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}
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func (m *Metric) GenerateExpression() (string, error){
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if len(m.Items) == 1 {
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return fmt.Sprintf("%s(%s)", m.Items[0].Statistic, m.Items[0].Field), nil
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}
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if m.Formula == "" {
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return "", fmt.Errorf("formula should not be empty since there are %d metrics", len(m.Items))
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}
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var (
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expressionBytes = []byte(m.Formula)
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metricExpression string
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)
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for _, item := range m.Items {
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metricExpression = fmt.Sprintf("%s(%s)", item.Statistic, item.Field)
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reg, err := regexp.Compile(item.Name+`([^\w]|$)`)
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if err != nil {
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return "", err
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}
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expressionBytes = reg.ReplaceAll(expressionBytes, []byte(metricExpression+"$1"))
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}
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return string(expressionBytes), nil
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}
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func (m *Metric) AutoTimeBeforeGroup() bool {
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for _, item := range m.Items {
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if item.Statistic == "derivative" {
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return false
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}
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}
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return true
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}
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type MetricItem struct {
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Name string `json:"name,omitempty"`
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Field string `json:"field"`
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FieldType string `json:"field_type,omitempty"`
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Statistic string `json:"statistic,omitempty"`
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}
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type MetricDataItem struct {
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Timestamp interface{} `json:"timestamp,omitempty"`
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Value interface{} `json:"value"`
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Groups []string `json:"groups,omitempty"`
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GroupLabel string `json:"group_label,omitempty"`
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}
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type MetricData struct {
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Groups []string `json:"groups,omitempty"`
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Data map[string][]MetricDataItem
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GroupLabel string `json:"group_label,omitempty"`
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}
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type BucketLabel struct {
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Enabled bool `json:"enabled"`
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Template string `json:"template,omitempty"`
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}
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