forked from grafana/loki
-
Notifications
You must be signed in to change notification settings - Fork 0
/
series.go
86 lines (73 loc) · 2.01 KB
/
series.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
package seriesquery
import (
"fmt"
"log"
"os"
"sort"
"text/tabwriter"
"time"
"github.com/pao214/loki/v2/pkg/logcli/client"
"github.com/pao214/loki/v2/pkg/loghttp"
)
// SeriesQuery contains all necessary fields to execute label queries and print out the results
type SeriesQuery struct {
Matcher string
Start time.Time
End time.Time
AnalyzeLabels bool
Quiet bool
}
type labelDetails struct {
name string
inStreams int
uniqueVals map[string]struct{}
}
// DoSeries prints out series results
func (q *SeriesQuery) DoSeries(c client.Client) {
streams := q.GetSeries(c)
if q.AnalyzeLabels {
labelMap := map[string]*labelDetails{}
for _, stream := range streams {
for labelName, labelValue := range stream {
if _, ok := labelMap[labelName]; ok {
labelMap[labelName].inStreams++
labelMap[labelName].uniqueVals[labelValue] = struct{}{}
} else {
labelMap[labelName] = &labelDetails{
name: labelName,
inStreams: 1,
uniqueVals: map[string]struct{}{labelValue: {}},
}
}
}
}
lds := make([]*labelDetails, 0, len(labelMap))
for _, ld := range labelMap {
lds = append(lds, ld)
}
sort.Slice(lds, func(ld1, ld2 int) bool {
return len(lds[ld1].uniqueVals) > len(lds[ld2].uniqueVals)
})
fmt.Println("Total Streams: ", len(streams))
fmt.Println("Unique Labels: ", len(labelMap))
fmt.Println()
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
fmt.Fprintf(w, "Label Name\tUnique Values\tFound In Streams\n")
for _, details := range lds {
fmt.Fprintf(w, "%v\t%v\t%v\n", details.name, len(details.uniqueVals), details.inStreams)
}
w.Flush()
} else {
for _, value := range streams {
fmt.Println(value)
}
}
}
// GetSeries returns an array of label sets
func (q *SeriesQuery) GetSeries(c client.Client) []loghttp.LabelSet {
seriesResponse, err := c.Series([]string{q.Matcher}, q.Start, q.End, q.Quiet)
if err != nil {
log.Fatalf("Error doing request: %+v", err)
}
return seriesResponse.Data
}