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// Delete topics
package main
/**
* Copyright 2018 Confluent Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import (
"context"
"fmt"
"github.com/confluentinc/confluent-kafka-go/kafka"
"os"
"time"
)
func main() {
if len(os.Args) < 3 {
fmt.Fprintf(os.Stderr,
"Usage: %s <broker> <topic1> <topic2> ..\n",
os.Args[0])
os.Exit(1)
}
broker := os.Args[1]
topics := os.Args[2:]
// Create a new AdminClient.
// AdminClient can also be instantiated using an existing
// Producer or Consumer instance, see NewAdminClientFromProducer and
// NewAdminClientFromConsumer.
a, err := kafka.NewAdminClient(&kafka.ConfigMap{"bootstrap.servers": broker})
if err != nil {
fmt.Printf("Failed to create Admin client: %s\n", err)
os.Exit(1)
}
// Contexts are used to abort or limit the amount of time
// the Admin call blocks waiting for a result.
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Delete topics on cluster
// Set Admin options to wait for the operation to finish (or at most 60s)
maxDur, err := time.ParseDuration("60s")
if err != nil {
panic("ParseDuration(60s)")
}
results, err := a.DeleteTopics(ctx, topics, kafka.SetAdminOperationTimeout(maxDur))
if err != nil {
fmt.Printf("Failed to delete topics: %v\n", err)
os.Exit(1)
}
// Print results
for _, result := range results {
fmt.Printf("%s\n", result)
}
a.Close()
}
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