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24d8df664c
* Fix #897 and shuffle directory around * Update find-lint * goimports Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package test
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import (
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"io"
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"os/exec"
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"path/filepath"
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"strings"
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)
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// KafkaExecutor executes kafka scripts.
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type KafkaExecutor struct {
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// The location of Zookeeper. Typically this is `localhost:2181`.
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ZookeeperURI string
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// The directory where Kafka is installed to. Used to locate kafka scripts.
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KafkaDirectory string
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// The location of the Kafka logs. Typically this is `localhost:9092`.
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KafkaURI string
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// Where stdout and stderr should be written to. Typically this is `os.Stderr`.
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OutputWriter io.Writer
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}
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// CreateTopic creates a new kafka topic. This is created with a single partition.
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func (e *KafkaExecutor) CreateTopic(topic string) error {
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cmd := exec.Command(
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filepath.Join(e.KafkaDirectory, "bin", "kafka-topics.sh"),
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"--create",
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"--zookeeper", e.ZookeeperURI,
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"--replication-factor", "1",
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"--partitions", "1",
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"--topic", topic,
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)
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cmd.Stdout = e.OutputWriter
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cmd.Stderr = e.OutputWriter
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return cmd.Run()
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}
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// WriteToTopic writes data to a kafka topic.
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func (e *KafkaExecutor) WriteToTopic(topic string, data []string) error {
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cmd := exec.Command(
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filepath.Join(e.KafkaDirectory, "bin", "kafka-console-producer.sh"),
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"--broker-list", e.KafkaURI,
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"--topic", topic,
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)
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cmd.Stdout = e.OutputWriter
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cmd.Stderr = e.OutputWriter
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cmd.Stdin = strings.NewReader(strings.Join(data, "\n"))
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return cmd.Run()
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}
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// DeleteTopic deletes a given kafka topic if it exists.
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func (e *KafkaExecutor) DeleteTopic(topic string) error {
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cmd := exec.Command(
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filepath.Join(e.KafkaDirectory, "bin", "kafka-topics.sh"),
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"--delete",
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"--if-exists",
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"--zookeeper", e.ZookeeperURI,
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"--topic", topic,
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)
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cmd.Stderr = e.OutputWriter
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cmd.Stdout = e.OutputWriter
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return cmd.Run()
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}
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