Files
securityonion/salt/kafka/tools/sbin/so-kafka-config-update

88 lines
2.4 KiB
Bash

#! /bin/bash
# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
# or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at
# https://securityonion.net/license; you may not use this file except in compliance with the
# Elastic License 2.0.
if [ -z "$NOROOT" ]; then
# Check for prerequisites
if [ "$(id -u)" -ne 0 ]; then
echo "This script must be run using sudo!"
exit 1
fi
fi
usage() {
cat <<USAGE_EOF
Usage: $0 <operation> [parameters]
Where <operation> is one of the following:
topic-partitions: Increase the number of partitions for a Kafka topic
Required arguments: topic-partitions <topic name> <# partitions>
Example: $0 topic-partitions suricata-topic 6
list-topics: List of Kafka topics
Example: $0 list-topics
USAGE_EOF
exit 1
}
if [[ $# -lt 1 || $1 == --help || $1 == -h ]]; then
usage
fi
kafka_client_config="/opt/kafka/config/kraft/client.properties"
too_few_arguments() {
echo -e "\nMissing one or more required arguments!\n"
usage
}
get_kafka_brokers() {
brokers_cache="/opt/so/state/kafka_brokers"
broker_port="9092"
if [[ ! -f "$brokers_cache" ]] || [[ $(find "/$brokers_cache" -mmin +120) ]]; then
echo "Refreshing Kafka brokers list"
salt-call pillar.get kafka:nodes --out=json | jq -r --arg broker_port "$broker_port" '.local | to_entries[] | select(.value.role | contains("broker")) | "\(.value.ip):\($broker_port)"' | paste -sd "," - > "$brokers_cache"
else
echo "Using cached Kafka brokers list"
fi
brokers=$(cat "$brokers_cache")
}
increase_topic_partitions() {
get_kafka_brokers
command=$(so-kafka-cli kafka-topics.sh --bootstrap-server $brokers --command-config $kafka_client_config --alter --topic $topic --partitions $partition_count)
if $command; then
echo -e "Successfully increased the number of partitions for topic $topic to $partition_count\n"
so-kafka-cli kafka-topics.sh --bootstrap-server $brokers --command-config $kafka_client_config --describe --topic $topic
fi
}
get_kafka_topics_list() {
get_kafka_brokers
so-kafka-cli kafka-topics.sh --bootstrap-server $brokers --command-config $kafka_client_config --exclude-internal --list | sort
}
operation=$1
case "${operation}" in
"topic-partitions")
if [[ $# -lt 3 ]]; then
too_few_arguments
fi
topic=$2
partition_count=$3
increase_topic_partitions
;;
"list-topics")
get_kafka_topics_list
;;
*)
usage
;;
esac