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58 lines
1.5 KiB
Bash
Executable File
58 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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if [[ -z "$KAFKA_CREATE_TOPICS" ]]; then
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exit 0
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fi
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if [[ -z "$START_TIMEOUT" ]]; then
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START_TIMEOUT=600
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fi
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start_timeout_exceeded=false
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count=0
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step=10
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while netstat -lnt | awk '$4 ~ /:'"$KAFKA_PORT"'$/ {exit 1}'; do
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echo "waiting for kafka to be ready"
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sleep $step;
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count=$((count + step))
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if [ $count -gt $START_TIMEOUT ]; then
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start_timeout_exceeded=true
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break
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fi
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done
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if $start_timeout_exceeded; then
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echo "Not able to auto-create topic (waited for $START_TIMEOUT sec)"
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exit 1
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fi
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# introduced in 0.10. In earlier versions, this will fail because the topic already exists.
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# shellcheck disable=SC1091
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source "/usr/bin/versions.sh"
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if [[ "$MAJOR_VERSION" == "0" && "$MINOR_VERSION" -gt "9" ]] || [[ "$MAJOR_VERSION" -gt "0" ]]; then
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KAFKA_0_10_OPTS="--if-not-exists"
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fi
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# Expected format:
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# name:partitions:replicas:cleanup.policy
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IFS="${KAFKA_CREATE_TOPICS_SEPARATOR-,}"; for topicToCreate in $KAFKA_CREATE_TOPICS; do
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echo "creating topics: $topicToCreate"
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IFS=':' read -r -a topicConfig <<< "$topicToCreate"
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config=
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if [ -n "${topicConfig[3]}" ]; then
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config="--config=cleanup.policy=${topicConfig[3]}"
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fi
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COMMAND="JMX_PORT='' ${KAFKA_HOME}/bin/kafka-topics.sh \\
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--create \\
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--zookeeper ${KAFKA_ZOOKEEPER_CONNECT} \\
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--topic ${topicConfig[0]} \\
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--partitions ${topicConfig[1]} \\
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--replication-factor ${topicConfig[2]} \\
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${config} \\
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${KAFKA_0_10_OPTS} &"
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eval "${COMMAND}"
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done
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wait
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