Use AWS SQS as a FIFO queue

sqsfifo.sh

#!/bin/bash
#
# SQS Fifo
#

#aws sqs create-queue --queue-name q.fifo --attributes FifoQueue=true
queue=https://eu-west-1.queue.amazonaws.com/12345678910/q.fifo

pop() {
    message=$(aws sqs receive-message --queue-url $queue --query 'Messages[0]')
    message_id=$(echo ${message} | jq -r .MessageId)
    body=$(echo ${message} | jq -r .Body)
    handle=$(echo ${message} | jq -r .ReceiptHandle)
    [ "$message_id" == 'null' ] && exit 128
    echo $body
    aws sqs delete-message --queue-url $queue --receipt-handle "$handle"
}

push() {
    aws sqs send-message --queue-url $queue \
        --message-group-id 1 \
        --message-deduplication-id $RANDOM \
        --message-body "${1}"
}

usage() {
    echo "$0 <pop|push message>"
    exit 1
}

case ${1} in
    pop)
        pop
        ;;
    push)
        [ -z "${2}" ] && usage
        push "$2"
        ;;
    *)
        usage
        ;;
esac