2026-08-24 15:09:36 +08:00
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#!/usr/bin/env bash
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set -euo pipefail
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: "${KAFKA_BIN:?请设置 KAFKA_BIN，例如 /opt/kafka/bin}"
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: "${BOOTSTRAP:?请设置 BOOTSTRAP，例如 127.0.0.1:9092}"
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RAW_TOPIC="${RAW_TOPIC:-agent-01-syslog-topic}"
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TOPICS_CMD="${KAFKA_BIN}/kafka-topics.sh"
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CONFIGS_CMD="${KAFKA_BIN}/kafka-configs.sh"
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if [[ ! -x "${TOPICS_CMD}" ]] || [[ ! -x "${CONFIGS_CMD}" ]]; then
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echo "ERROR: ${KAFKA_BIN} 下缺少 kafka-topics.sh 或 kafka-configs.sh" >&2
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exit 1
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fi
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COMMON_ARGS=(--bootstrap-server "${BOOTSTRAP}")
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if [[ -n "${COMMAND_CONFIG:-}" ]]; then
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COMMON_ARGS+=(--command-config "${COMMAND_CONFIG}")
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fi
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echo "检查原始 Topic：${RAW_TOPIC}"
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RAW_INFO=$("${TOPICS_CMD}" "${COMMON_ARGS[@]}" --describe --topic "${RAW_TOPIC}")
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printf '%s\n' "${RAW_INFO}"
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PARTITIONS=$(printf '%s\n' "${RAW_INFO}" | awk '
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/PartitionCount:/ {
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for (i=1; i<=NF; i++) if ($i=="PartitionCount:") { print $(i+1); exit }
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}
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')
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REPLICAS=$(printf '%s\n' "${RAW_INFO}" | awk '
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/ReplicationFactor:/ {
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for (i=1; i<=NF; i++) if ($i=="ReplicationFactor:") { print $(i+1); exit }
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}
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')
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if [[ ! "${PARTITIONS}" =~ ^[1-9][0-9]*$ ]] || [[ ! "${REPLICAS}" =~ ^[1-9][0-9]*$ ]]; then
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echo "ERROR: 无法读取原始 Topic 的分区数或副本数" >&2
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exit 1
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fi
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2026-09-11 20:42:22 +08:00
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SUFFIXES=("RETRY.1M" "RETRY.10M" "RETRY.1H" "DLT" "REPLAY" "STATS.MATERIALIZE")
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RETENTIONS=(259200000 604800000 604800000 7776000000 604800000 604800000)
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2026-08-24 15:09:36 +08:00
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2026-09-11 20:42:22 +08:00
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for i in 0 1 2 3 4 5; do
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2026-08-24 15:09:36 +08:00
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TOPIC="${RAW_TOPIC}.${SUFFIXES[$i]}"
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echo "创建或确认 Topic：${TOPIC}"
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"${TOPICS_CMD}" "${COMMON_ARGS[@]}" \
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--create --if-not-exists \
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--topic "${TOPIC}" \
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--partitions "${PARTITIONS}" \
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--replication-factor "${REPLICAS}" \
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--config "retention.ms=${RETENTIONS[$i]}"
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"${CONFIGS_CMD}" "${COMMON_ARGS[@]}" \
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--alter --entity-type topics --entity-name "${TOPIC}" \
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--add-config "retention.ms=${RETENTIONS[$i]}"
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done
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echo "检查升级结果"
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for SUFFIX in "${SUFFIXES[@]}"; do
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"${TOPICS_CMD}" "${COMMON_ARGS[@]}" --describe --topic "${RAW_TOPIC}.${SUFFIX}"
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done
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echo "PASS: Kafka Topic 已创建/确认；脚本未删除 Topic，也未修改消费组 offset。"
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