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simple example program to show use case of grafanaclient library
// simple example program to show use case of grafanaclient library:
// https://github.com/adejoux/grafanaclient
// author: Alain Dejoux
package main
import (
"fmt"
"log"
"time"
"github.com/adejoux/grafanaclient"
)
func main() {
// account credentials and url to connect to grafana
user := "admin"
pass := "admin"
url := "http://192.168.56.101:3000"
// create grafana session
session := grafanaclient.NewSession(user, pass, url)
// logon on the current session
logonErr := session.DoLogon()
if logonErr != nil {
log.Fatal(logonErr)
}
// define a new datasource
// ds := grafanaclient.DataSource{Name: "testdata",
// Type: "influxdb",
// Access: "proxy",
// URL: "http://192.168.56.101:8086",
// User: "root",
// Password: "root",
// Database: "testdb",
// }
// create the new datasource
// createErr := session.CreateDataSource(ds)
//
// if createErr != nil {
// log.Fatal(createErr)
// }
// let's list the existing data sources
dataSources, listErr := session.GetDataSourceList()
if listErr != nil {
log.Fatal(listErr)
}
for _, dataSource := range dataSources {
fmt.Printf("name: %s type: %s url: %s\n", dataSource.Name, dataSource.Type, dataSource.URL)
}
// init a new dashboard and allows edition
dashboard := grafanaclient.Dashboard{Editable: true}
// let's set the title
dashboard.Title = "test dashboard"
// Creating a new row
textRow := grafanaclient.NewRow()
textRow.Title = "this row will contains only a text panel"
textRow.Collapse = true // it will be collapsed by default
// let's create a simple text panel supporting html format
textPanel := grafanaclient.Panel{Type: "text", Editable: true, Mode: "html"}
// Add some content
textPanel.Content = "<b> Hello World</b>"
// and add the panel to the row
textRow.AddPanel(textPanel)
// add the row to the dashboard itself
dashboard.AddRow(textRow)
//create a new row with charts
graphRow := grafanaclient.NewRow()
graphRow.Title = "charts"
// NewPanel will create a graph panel by default
graphPanel := grafanaclient.NewPanel()
// set panel title
graphPanel.Title = "chart1"
// let's specify the datasource
graphPanel.DataSource = "testdata"
// change panel span from default 12 to 6
graphPanel.Span = 6
// stack lines with a filling of 1
graphPanel.Stack = true
graphPanel.Fill = 1
// define a target
target := grafanaclient.NewTarget()
//specify the measurement to use
target.Measurement = "CPU_ALL"
// group stats by name tag values
target.GroupByTag("name")
target.GroupByTag("host")
// filter by host tag
target.FilterByTag("host", "test")
// Adding everything
graphPanel.AddTarget(target)
graphRow.AddPanel(graphPanel)
dashboard.AddRow(graphRow)
// Setup time frame
dashboard.SetTimeFrame(time.Now().Add(-24*time.Hour), time.Now())
//upload the dashboard
session.UploadDashboard(dashboard, true)
}
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