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zeekayandHanzo Dev
c3e231795c
This is the Kafka interface to Hanzo PubSub, not a product of its own. "Stream"
described the transport rather than the contract, and left two names for one
thing -- the repo was already redirecting hanzoai/kafka -> hanzoai/stream, so
imports and docs disagreed with the canonical URL.
The layering it belongs to:
hanzoai/tasks workloads and async workflows
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hanzoai/pubsub the ONE event bus (JetStream-durable NATS)
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hanzoai/kafka Kafka-wire adaptor (AMQP is the sibling seam)
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hanzoai/datastore the ONE warehouse
Module path is now github.com/hanzoai/kafka; binary, image labels and docs say
Hanzo Kafka.
The word "stream" survives wherever it names the PROTOCOL rather than the
product -- JetStream stream names, ParseStreamName, the subject patterns in
pubsub/streams.go. Renaming those would have broken the wire contract to make a
brand consistent.
Unit tests pass. test/cluster and test/e2e still fail identically to before this
change: they shell out to an Apache Kafka distribution at ~/kafka_2.13-3.9.0/
that is not installed here, so they are unrelated to the rename.
Co-authored-by: Hanzo Dev <[email protected]>
60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package main
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import (
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"os"
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"os/signal"
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"syscall"
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log "github.com/hanzoai/kafka/logging"
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"github.com/hanzoai/kafka/protocol"
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"github.com/hanzoai/kafka/types"
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"github.com/spf13/cobra"
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)
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var config = types.Configuration{
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PubSubUrl: "nats://localhost:4222",
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BrokerHost: "localhost",
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BrokerPort: 9092,
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AdminPort: 9093,
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NodeID: 1,
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StreamReplicas: 1,
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StorageType: "file",
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}
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func main() {
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var rootCmd = &cobra.Command{
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Use: "hanzo-kafka",
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Short: "Hanzo Kafka — Kafka wire protocol gateway for Hanzo PubSub",
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Run: func(cmd *cobra.Command, args []string) {
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broker := protocol.NewBroker(&config)
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log.SetLogLevel(log.INFO)
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// Handle termination signals (e.g., Ctrl+C)
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signalChannel := make(chan os.Signal, 1)
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signal.Notify(signalChannel, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-signalChannel
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log.Info("Received signal: %s. Shutting down...", sig)
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broker.Shutdown()
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os.Exit(0)
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}()
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// Start the broker
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broker.Startup()
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},
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}
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rootCmd.Flags().StringVar(&config.PubSubUrl, "pubsub-url", "nats://localhost:4222", "Hanzo PubSub server URL")
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rootCmd.Flags().StringVar(&config.PubSubCredFile, "pubsub-creds", "", "Hanzo PubSub credentials file")
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rootCmd.Flags().IntVar(&config.BrokerPort, "port", 9092, "Kafka listener port")
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rootCmd.Flags().IntVar(&config.AdminPort, "admin-port", 9093, "Admin HTTP port (0 to disable)")
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rootCmd.Flags().StringVar(&config.BrokerHost, "host", "localhost", "Advertised hostname")
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rootCmd.Flags().IntVar(&config.NodeID, "node-id", 1, "Broker node ID")
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rootCmd.Flags().IntVar(&config.StreamReplicas, "replicas", 1, "Hanzo Kafka replica count")
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rootCmd.Flags().StringVar(&config.StorageType, "storage", "file", "Hanzo Kafka storage type: file or memory")
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if err := rootCmd.Execute(); err != nil {
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log.Panic("Failed to execute root command %v", err)
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}
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}
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