github.com/apache/beam/sdks/v2@v2.48.2/go/test/integration/io/xlang/kafka/cluster_unix.go (about)

     1  // Licensed to the Apache Software Foundation (ASF) under one or more
     2  // contributor license agreements.  See the NOTICE file distributed with
     3  // this work for additional information regarding copyright ownership.
     4  // The ASF licenses this file to You under the Apache License, Version 2.0
     5  // (the "License"); you may not use this file except in compliance with
     6  // the License.  You may obtain a copy of the License at
     7  //
     8  //    http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  
    16  // Match build constraints of imported package golang.org/x/sys/unix.
    17  //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
    18  // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
    19  
    20  package kafka
    21  
    22  import (
    23  	"os"
    24  
    25  	"golang.org/x/sys/unix"
    26  )
    27  
    28  // kafkaCluster contains anything needed to use and clean up the Kafka cluster
    29  // once it's been started.
    30  type cluster struct {
    31  	proc          *os.Process // The process information for the running jar.
    32  	bootstrapAddr string      // The bootstrap address to connect to Kafka.
    33  }
    34  
    35  // Shutdown gracefully shuts down the cluster. It is recommended to use this
    36  // instead of directly killing the process.
    37  func (kc *cluster) Shutdown() {
    38  	// Avoid using SIGKILL. The cluster is wrapped in the timeout command,
    39  	// so SIGKILL will kill the timeout and leave the cluster running.
    40  	kc.proc.Signal(unix.SIGTERM)
    41  }