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* Single Commit * Comments * Minor * lint changes * Fix build issue due to merge * Address comments * Address one remaining type * Style, doc, gitignore, checks --------- Co-authored-by: Milind L <milindl@users.noreply.github.com> Co-authored-by: Milind L <miluthra@confluent.io> Co-authored-by: Emanuele Sabellico <esabellico@confluent.io>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| /** | ||
| * Copyright 2023 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. | ||
| */ | ||
|
|
||
| // List Offsets example | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "strconv" | ||
|
|
||
| "github.com/confluentinc/confluent-kafka-go/v2/kafka" | ||
| ) | ||
|
|
||
| func main() { | ||
|
|
||
| if len(os.Args) < 2 { | ||
| fmt.Fprintf(os.Stderr, | ||
| "Usage: %s <bootstrap-servers> <topicname> <partition> <EARLIEST/LATEST/MAX_TIMESTAMP/TIMESTAMP t1> ..\n", os.Args[0]) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| bootstrapServers := os.Args[1] | ||
|
|
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| argsCnt := len(os.Args) | ||
| i := 2 | ||
| index := 0 | ||
| topicPartitionOffsets := make(map[kafka.TopicPartition]kafka.OffsetSpec) | ||
| for i < argsCnt { | ||
| if i+3 > argsCnt { | ||
| fmt.Printf("Expected %d arguments for partition %d, got %d\n", 3, index, argsCnt-i) | ||
| os.Exit(1) | ||
| } | ||
|
|
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| topicName := os.Args[i] | ||
| partition, err := strconv.Atoi(os.Args[i+1]) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "Invalid partition: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
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| tp := kafka.TopicPartition{Topic: &topicName, Partition: int32(partition)} | ||
|
|
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| if os.Args[i+2] == "EARLIEST" { | ||
| topicPartitionOffsets[tp] = kafka.EarliestOffsetSpec | ||
| } else if os.Args[i+2] == "LATEST" { | ||
| topicPartitionOffsets[tp] = kafka.LatestOffsetSpec | ||
| } else if os.Args[i+2] == "MAX_TIMESTAMP" { | ||
| topicPartitionOffsets[tp] = kafka.MaxTimestampOffsetSpec | ||
| } else if os.Args[i+2] == "TIMESTAMP" { | ||
| if i+4 > argsCnt { | ||
| fmt.Printf("Expected %d arguments for partition %d, got %d\n", 4, index, argsCnt-i) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| timestamp, timestampErr := strconv.Atoi(os.Args[i+3]) | ||
| if timestampErr != nil { | ||
| fmt.Fprintf(os.Stderr, "Invalid timestamp: %s\n", timestampErr) | ||
| os.Exit(1) | ||
| } | ||
| topicPartitionOffsets[tp] = kafka.NewOffsetSpecForTimestamp(int64(timestamp)) | ||
| i = i + 1 | ||
| } else { | ||
| fmt.Fprintf(os.Stderr, "Invalid OffsetSpec.\n") | ||
| os.Exit(1) | ||
| } | ||
| i = i + 3 | ||
| index++ | ||
| } | ||
|
|
||
| // 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": bootstrapServers}) | ||
| if err != nil { | ||
| fmt.Printf("Failed to create Admin client: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
| defer a.Close() | ||
|
|
||
| // 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() | ||
|
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||
| results, err := a.ListOffsets(ctx, topicPartitionOffsets, | ||
| kafka.SetAdminIsolationLevel(kafka.IsolationLevelReadCommitted)) | ||
| if err != nil { | ||
| fmt.Printf("Failed to List offsets: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| // map[TopicPartition]ListOffsetsResultInfo | ||
| // Print results | ||
| for tp, info := range results.ResultsInfos { | ||
| fmt.Printf("Topic: %s Partition: %d\n", *tp.Topic, tp.Partition) | ||
| if info.Error.Code() != kafka.ErrNoError { | ||
| fmt.Printf(" ErrorCode: %d ErrorMessage: %s\n\n", info.Error.Code(), info.Error.String()) | ||
| } else { | ||
| fmt.Printf(" Offset: %d Timestamp: %d\n\n", info.Offset, info.Timestamp) | ||
| } | ||
| } | ||
| } |
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