67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
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// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package telemetry_test
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import (
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"context"
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"fmt"
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"log"
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"time"
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"github.com/zeebo/admission/admproto"
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"github.com/zeebo/errs"
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"golang.org/x/sync/errgroup"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/pkg/telemetry"
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)
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// Example is an example of a receiver and sender
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func Example() {
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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var group errgroup.Group
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receiver, err := telemetry.Listen("127.0.0.1:0")
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if err != nil {
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log.Fatal(err)
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}
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// receiver
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group.Go(func() (err error) {
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defer func() { err = errs.Combine(err, receiver.Close()) }()
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err = receiver.Serve(ctx, telemetry.HandlerFunc(
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func(application, instance string, key []byte, val float64) {
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fmt.Printf("receive %s %s %s %v\n", application, instance, string(key), val)
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},
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))
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if err == context.Canceled {
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err = nil
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}
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return err
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})
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// sender
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group.Go(func() error {
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client, err := telemetry.NewClient(receiver.Addr(), telemetry.ClientOpts{
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Interval: time.Second,
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Application: "example",
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Instance: telemetry.DefaultInstanceID(),
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Registry: monkit.Default,
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FloatEncoding: admproto.Float32Encoding,
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})
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if err != nil {
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return err
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}
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client.Run(ctx)
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return nil
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})
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if err := group.Wait(); err != nil {
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fmt.Println(err)
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}
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}
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