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#!/bin/bash
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# Copyright (c) 2018 - 2024, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
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#
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# Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
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# Version 2.0 (the "License"); you may not use this file except
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# in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Check if ECS_CONTAINER_METADATA_FILE is set
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if [ -z "$ECS_CONTAINER_METADATA_FILE" ]; then
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echo "ECS_CONTAINER_METADATA_FILE is not set or the server is running on local deployment environment"
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fi
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# Extract HostPrivateIPv4Address from the metadata file
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HOST_PRIVATE_IP=$(cat $ECS_CONTAINER_METADATA_FILE | grep -oP '(?<=HostPrivateIPv4Address": ")[^"]+')
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if [ -n "$HOST_PRIVATE_IP" ]; then
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echo "Host Private IP: $HOST_PRIVATE_IP"
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# Define the input template file and output file
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TEMPLATE_FILE="filebeat.template.yml"
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OUTPUT_FILE="filebeat.yml"
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mkdir -p /opt/filebeat-configs/${HOST_PRIVATE_IP}
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cp /opt/filebeat-configs/$TEMPLATE_FILE /opt/filebeat-configs/${HOST_PRIVATE_IP}/$OUTPUT_FILE
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# Replace the placeholder with the actual node name and write to the output file
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sed -i 's/${HOST_PRIVATE_IP}/'$HOST_PRIVATE_IP'/g' /opt/filebeat-configs/${HOST_PRIVATE_IP}/$OUTPUT_FILE
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sed -i 's/${LOGSTASH_HOST}/'$LOGSTASH_HOST'/g' /opt/filebeat-configs/${HOST_PRIVATE_IP}/$OUTPUT_FILE
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sed -i 's/${LOGSTASH_PORT}/'$LOGSTASH_PORT'/g' /opt/filebeat-configs/${HOST_PRIVATE_IP}/$OUTPUT_FILE
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echo "Filebeat configuration file created: $OUTPUT_FILE"
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# Create symlinks
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rm -rf /usr/share/filebeat/elk
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ln -sf "/opt/logs/${HOST_PRIVATE_IP}/elk" /usr/share/filebeat/elk
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ln -sf "/opt/filebeat-configs/${HOST_PRIVATE_IP}/filebeat.yml" /usr/share/filebeat/filebeat.yml
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else
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echo "HostPrivateIPv4Address not found"
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fi
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# Execute the original Filebeat entry point with passed arguments
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exec /usr/local/bin/docker-entrypoint "$@"
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