cloudwatch_log_get_stream.sh

#!/bin/bash
#
# Download and compress cloudwatch log for the specified group, stream and date

DATE=$1
CLOUDWATCH_LOG_GROUP=$2
CLOUDWATCH_LOG_STREAM=$3
LOG_FILE="${DATE}-${CLOUDWATCH_LOG_GROUP}-${CLOUDWATCH_LOG_STREAM}.log"

echo "Installing awslog tools"
pip install --user awslogs

echo "Cleaning workspace directory"
find . -name '*.gz' -delete

echo "Retrieving logs on Cloudwatch"
~/.local/bin/awslogs get --no-group --no-stream --start "${DATE} 00:00:00" --end "${DATE} 23:59:59" \
                         ${CLOUDWATCH_LOG_GROUP} ${CLOUDWATCH_LOG_STREAM} > ${LOG_FILE}

echo "Compressing log files"
gzip ${LOG_FILE}.log