-
Notifications
You must be signed in to change notification settings - Fork 8
/
generate.go
82 lines (78 loc) · 2.05 KB
/
generate.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
package main
import (
"context"
"fmt"
"os"
"os/exec"
"runtime"
"time"
"github.com/fusakla/autograf/packages/generator"
"github.com/fusakla/autograf/packages/grafana"
"github.com/fusakla/autograf/packages/prometheus"
)
func openInBrowser(url string) error {
var err error
switch runtime.GOOS {
case "linux":
err = exec.Command("xdg-open", url).Start()
case "windows":
err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
case "darwin":
err = exec.Command("open", url).Start()
}
return err
}
func (r *Command) Run(ctx *Context) error {
var metrics map[string]prometheus.Metric
if r.MetricsFile != "" {
data, err := os.ReadFile(r.MetricsFile)
if err != nil {
return err
}
metrics, err = prometheus.ParseMetricsText(data, r.OpenMetricsFormat)
if err != nil {
return err
}
} else if r.PrometheusURL != "" {
client, err := prometheus.NewClient(ctx.logger, r.PrometheusURL, nil)
if err != nil {
return err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
metrics, err = client.MetricsForSelector(ctx, r.Selector)
if err != nil {
return err
}
} else {
return fmt.Errorf("At least one of inputs metrics file or Prometheus URL is required")
}
dashboard, err := generator.Generate(r.GrafanaDashboardName, r.GrafanaDataSource, r.Selector, r.GrafanaVariables, metrics)
if err != nil {
return err
}
if r.GrafanaURL != "" {
if r.grafanaToken == "" {
return fmt.Errorf("you have to specify the GRAFANA_TOKEN variable")
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
dashboardUrl, err := grafana.UpsertDashboard(ctx, r.GrafanaURL, r.grafanaToken, r.GrafanaFolder, dashboard)
if err != nil {
return err
}
fmt.Println("Dashboard successfully generated, see " + dashboardUrl)
if r.OpenBrowser {
if err := openInBrowser(dashboardUrl); err != nil {
return err
}
}
} else {
jsonData, err := dashboard.MarshalJSON()
if err != nil {
return err
}
fmt.Println(string(jsonData))
}
return nil
}