forked from cerc-io/ipld-eth-server
69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
// Copyright (c) 2016 Arista Networks, Inc.
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// Use of this source code is governed by the Apache License 2.0
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// that can be found in the COPYING file.
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// The occlient tool is a client for the gRPC service for getting and setting the
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// OpenConfig configuration and state of a network device.
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package main
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import (
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"flag"
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"fmt"
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"strings"
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"sync"
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"github.com/aristanetworks/goarista/kafka"
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"github.com/aristanetworks/goarista/kafka/openconfig"
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"github.com/aristanetworks/goarista/kafka/producer"
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"github.com/aristanetworks/goarista/openconfig/client"
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"github.com/Shopify/sarama"
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"github.com/aristanetworks/glog"
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"github.com/golang/protobuf/proto"
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)
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var keysFlag = flag.String("kafkakeys", "",
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"Keys for kafka messages (comma-separated, default: the value of -addrs")
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func newProducer(addresses []string, topic, key, dataset string) (producer.Producer, error) {
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encodedKey := sarama.StringEncoder(key)
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p, err := producer.New(openconfig.NewEncoder(topic, encodedKey, dataset), addresses, nil)
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if err != nil {
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return nil, fmt.Errorf("Failed to create Kafka brokers: %s", err)
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}
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glog.Infof("Connected to Kafka brokers at %s", addresses)
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return p, nil
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}
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func main() {
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username, password, subscriptions, grpcAddrs, opts := client.ParseFlags()
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if *keysFlag == "" {
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*keysFlag = strings.Join(grpcAddrs, ",")
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}
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keys := strings.Split(*keysFlag, ",")
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if len(grpcAddrs) != len(keys) {
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glog.Fatal("Please provide the same number of addresses and Kafka keys")
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}
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addresses := strings.Split(*kafka.Addresses, ",")
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wg := new(sync.WaitGroup)
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for i, grpcAddr := range grpcAddrs {
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key := keys[i]
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p, err := newProducer(addresses, *kafka.Topic, key, grpcAddr)
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if err != nil {
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glog.Fatal(err)
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} else {
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glog.Infof("Initialized Kafka producer for %s", grpcAddr)
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}
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publish := func(addr string, message proto.Message) {
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p.Write(message)
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}
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wg.Add(1)
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p.Start()
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defer p.Stop()
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c := client.New(username, password, grpcAddr, opts)
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go c.Subscribe(wg, subscriptions, publish)
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}
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wg.Wait()
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}
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