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Diffstat (limited to 'maintenance/replication-factor-increase-job.yml')
-rw-r--r-- | maintenance/replication-factor-increase-job.yml | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/maintenance/replication-factor-increase-job.yml b/maintenance/replication-factor-increase-job.yml new file mode 100644 index 0000000..de35987 --- /dev/null +++ b/maintenance/replication-factor-increase-job.yml @@ -0,0 +1,65 @@ +apiVersion: batch/v1 +kind: Job +metadata: + name: replication-factor-increase + namespace: kafka +spec: + template: + metadata: + name: replication-factor-increase + spec: + containers: + - name: kafka + image: solsson/kafka:1.0.0@sha256:17fdf1637426f45c93c65826670542e36b9f3394ede1cb61885c6a4befa8f72d + env: + - name: ZOOKEEPER + value: zookeeper.kafka:2181 + # the following must be edited per job + - name: TOPICS + value: "" + - name: BROKERS + value: 0,1,2 + command: + - /bin/bash + - -ce + - > + if [ -z "$TOPICS" ]; then + echo "Please set the TOPICS env (comma-separated) and re-create the job" + tail -f /dev/null + fi + + echo '{"topics":[' > /tmp/reassign-topics.json; + echo -n ' {"topic":"' >> /tmp/reassign-topics.json; + echo -n $TOPICS | sed 's/,/"},\n {"topic":"/g' >> /tmp/reassign-topics.json; + echo '"}' >> /tmp/reassign-topics.json; + echo ']}' >> /tmp/reassign-topics.json; + + echo "# reassign-topics.json"; + cat /tmp/reassign-topics.json; + + ./bin/kafka-reassign-partitions.sh + --zookeeper=$ZOOKEEPER + --generate + --topics-to-move-json-file=/tmp/reassign-topics.json + --broker-list=$BROKERS > /tmp/generated.txt; + + tail -n 1 /tmp/generated.txt > /tmp/proposed-reassignment.json; + + sleep 1; + echo "# proposed-reassignment.json"; + cat /tmp/proposed-reassignment.json; + + sed -i 's/"replicas":\[.\]/"replicas":[0,1,2]/g' /tmp/proposed-reassignment.json; + sed -i 's/,"log_dirs":\["any"\]//g' /tmp/proposed-reassignment.json; + echo "# proposed-reassignment.json modified to affect replication factor"; + cat /tmp/proposed-reassignment.json; + + echo "# Triggering kafka-reassign-partitions.sh" + ./bin/kafka-reassign-partitions.sh + --zookeeper=$ZOOKEEPER + --execute + --reassignment-json-file=/tmp/proposed-reassignment.json; + + echo "# Reassignment exited. Upon success you may want to run preferred-replica-election." + restartPolicy: Never + backoffLimit: 3 |