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70 lines
2.2 KiB
70 lines
2.2 KiB
package command
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import (
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/mq/kafka/gateway"
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)
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var (
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mqKafkaGatewayOptions mqKafkaGatewayOpts
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)
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type mqKafkaGatewayOpts struct {
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listen *string
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masters *string
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filerGroup *string
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}
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func init() {
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cmdMqKafkaGateway.Run = runMqKafkaGateway
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mqKafkaGatewayOptions.listen = cmdMqKafkaGateway.Flag.String("listen", ":9092", "Kafka gateway listen address")
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mqKafkaGatewayOptions.masters = cmdMqKafkaGateway.Flag.String("masters", "localhost:9333", "SeaweedFS master servers")
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mqKafkaGatewayOptions.filerGroup = cmdMqKafkaGateway.Flag.String("filerGroup", "", "filer group name")
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}
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var cmdMqKafkaGateway = &Command{
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UsageLine: "mq.kafka.gateway [-listen=:9092] [-masters=localhost:9333] [-filerGroup=]",
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Short: "start a Kafka wire-protocol gateway for SeaweedMQ",
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Long: `Start a Kafka wire-protocol gateway translating Kafka client requests to SeaweedMQ.
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Connects to SeaweedFS master servers to discover available brokers. Use -masters=<addresses>
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to specify comma-separated master locations.
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This is experimental and currently supports a minimal subset for development.
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`,
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}
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func runMqKafkaGateway(cmd *Command, args []string) bool {
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// Validate options - masters address is now required
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if *mqKafkaGatewayOptions.masters == "" {
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glog.Fatalf("SeaweedFS masters address is required (-masters)")
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return false
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}
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srv := gateway.NewServer(gateway.Options{
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Listen: *mqKafkaGatewayOptions.listen,
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Masters: *mqKafkaGatewayOptions.masters,
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FilerGroup: *mqKafkaGatewayOptions.filerGroup,
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})
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glog.V(0).Infof("Starting MQ Kafka Gateway on %s with SeaweedMQ brokers from masters (%s)", *mqKafkaGatewayOptions.listen, *mqKafkaGatewayOptions.masters)
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if err := srv.Start(); err != nil {
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glog.Fatalf("mq kafka gateway start: %v", err)
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return false
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}
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// Set up graceful shutdown
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defer func() {
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glog.V(0).Infof("Shutting down MQ Kafka Gateway...")
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if err := srv.Close(); err != nil {
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glog.Errorf("mq kafka gateway close: %v", err)
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}
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}()
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// Serve blocks until closed
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if err := srv.Wait(); err != nil {
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glog.Errorf("mq kafka gateway wait: %v", err)
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return false
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}
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return true
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}
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