114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
package client_test
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import (
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"fmt"
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"log"
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"math/rand"
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"net/url"
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"os"
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"strconv"
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"time"
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"github.com/influxdata/influxdb/client"
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)
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func ExampleNewClient() {
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host, err := url.Parse(fmt.Sprintf("http://%s:%d", "localhost", 8086))
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if err != nil {
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log.Fatal(err)
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}
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// NOTE: this assumes you've setup a user and have setup shell env variables,
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// namely INFLUX_USER/INFLUX_PWD. If not just omit Username/Password below.
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conf := client.Config{
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URL: *host,
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Username: os.Getenv("INFLUX_USER"),
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Password: os.Getenv("INFLUX_PWD"),
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}
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con, err := client.NewClient(conf)
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if err != nil {
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log.Fatal(err)
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}
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log.Println("Connection", con)
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}
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func ExampleClient_Ping() {
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host, err := url.Parse(fmt.Sprintf("http://%s:%d", "localhost", 8086))
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if err != nil {
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log.Fatal(err)
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}
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con, err := client.NewClient(client.Config{URL: *host})
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if err != nil {
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log.Fatal(err)
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}
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dur, ver, err := con.Ping()
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("Happy as a hippo! %v, %s", dur, ver)
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}
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func ExampleClient_Query() {
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host, err := url.Parse(fmt.Sprintf("http://%s:%d", "localhost", 8086))
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if err != nil {
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log.Fatal(err)
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}
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con, err := client.NewClient(client.Config{URL: *host})
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if err != nil {
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log.Fatal(err)
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}
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q := client.Query{
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Command: "select count(value) from shapes",
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Database: "square_holes",
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}
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if response, err := con.Query(q); err == nil && response.Error() == nil {
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log.Println(response.Results)
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}
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}
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func ExampleClient_Write() {
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host, err := url.Parse(fmt.Sprintf("http://%s:%d", "localhost", 8086))
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if err != nil {
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log.Fatal(err)
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}
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con, err := client.NewClient(client.Config{URL: *host})
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if err != nil {
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log.Fatal(err)
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}
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var (
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shapes = []string{"circle", "rectangle", "square", "triangle"}
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colors = []string{"red", "blue", "green"}
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sampleSize = 1000
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pts = make([]client.Point, sampleSize)
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)
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rand.Seed(42)
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for i := 0; i < sampleSize; i++ {
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pts[i] = client.Point{
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Measurement: "shapes",
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Tags: map[string]string{
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"color": strconv.Itoa(rand.Intn(len(colors))),
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"shape": strconv.Itoa(rand.Intn(len(shapes))),
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},
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Fields: map[string]interface{}{
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"value": rand.Intn(sampleSize),
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},
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Time: time.Now(),
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Precision: "s",
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}
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}
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bps := client.BatchPoints{
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Points: pts,
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Database: "BumbeBeeTuna",
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RetentionPolicy: "default",
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}
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_, err = con.Write(bps)
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if err != nil {
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log.Fatal(err)
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}
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}
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