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| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "os" |
| 6 | + "os/signal" |
| 7 | + "syscall" |
| 8 | + |
| 9 | + sls "github.com/aliyun/aliyun-log-go-sdk" |
| 10 | + consumerLibrary "github.com/aliyun/aliyun-log-go-sdk/consumer" |
| 11 | + "github.com/go-kit/kit/log" |
| 12 | + "github.com/go-kit/kit/log/level" |
| 13 | + "gopkg.in/natefinch/lumberjack.v2" |
| 14 | +) |
| 15 | + |
| 16 | +// README : |
| 17 | +// This is a very simple example of creating a consumer worker with custom logger. |
| 18 | + |
| 19 | +func main() { |
| 20 | + // |
| 21 | + writer := &lumberjack.Logger{ |
| 22 | + Filename: "producer.log", |
| 23 | + MaxSize: 100, |
| 24 | + MaxBackups: 10, |
| 25 | + Compress: false, |
| 26 | + } |
| 27 | + logger := log.NewLogfmtLogger(writer) // or write to stdout by: logger := log.NewLogfmtLogger(os.Stdout) |
| 28 | + // set log level |
| 29 | + logger = level.NewFilter(logger, level.AllowInfo()) |
| 30 | + // add log time and caller info |
| 31 | + logger = log.With(logger, "time", log.DefaultTimestampUTC, "caller", log.DefaultCaller) |
| 32 | + |
| 33 | + option := consumerLibrary.LogHubConfig{ |
| 34 | + Endpoint: "", |
| 35 | + AccessKeyID: "", |
| 36 | + AccessKeySecret: "", |
| 37 | + Project: "", |
| 38 | + Logstore: "", |
| 39 | + ConsumerGroupName: "", |
| 40 | + ConsumerName: "", |
| 41 | + CursorPosition: consumerLibrary.END_CURSOR, |
| 42 | + Logger: logger, // set producer logger |
| 43 | + } |
| 44 | + |
| 45 | + consumerWorker := consumerLibrary.InitConsumerWorkerWithCheckpointTracker(option, process) |
| 46 | + ch := make(chan os.Signal, 1) |
| 47 | + signal.Notify(ch, syscall.SIGTERM) |
| 48 | + consumerWorker.Start() |
| 49 | + if _, ok := <-ch; ok { |
| 50 | + level.Info(consumerWorker.Logger).Log("msg", "get stop signal, start to stop consumer worker", "consumer worker name", option.ConsumerName) |
| 51 | + consumerWorker.StopAndWait() |
| 52 | + } |
| 53 | +} |
| 54 | + |
| 55 | +// Fill in your consumption logic here, and be careful not to change the parameters of the function and the return value, |
| 56 | +// otherwise you will report errors. |
| 57 | +func process(shardId int, logGroupList *sls.LogGroupList, checkpointTracker consumerLibrary.CheckPointTracker) (string, error) { |
| 58 | + fmt.Println(shardId, logGroupList) |
| 59 | + checkpointTracker.SaveCheckPoint(false) |
| 60 | + return "", nil |
| 61 | +} |
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