Script to upload all (html) files of a directory to AWS S3

upload-files.sh

#!/bin/bash

# This script uploads all HTML file and uploads them in AWS s3 by including the directory structure.


# Ensure bucket is created via TF before adding to array below
envList=("mock" "dev" "test" "uat")

# Helper function to check if value exists in array
function contains() {
    local n=$#
    local value=${!n}
    for ((i=1;i < $#;i++)) {
        if [ "${!i}" == "${value}" ]; then
            echo "y"
            return 0
        fi
    }
    echo "n"
    return 1
}


##################################
## START OF SCRIPT
##################################
# $1 is env, check if arg $1 (env) exists in the array (env list) above
if [ $(contains "${envList[@]}" $1) == "y" ]; then
    env=$1
    echo "Uploading files to bucket $env"
else
    echo "Unsupported env"
    echo "Supported environments are "
    for i in ${envList[@]}; do echo $i; done

    printf "Please create an S3 bucket and update this script's 'envList' array\n"
    exit 1;
fi

# Name of your S3 bucket
bucketName=mycomp-int-$env-example-bucket

# Additional validation - does bucket actually exist in S3 despite being added in above array?
echo "Checking if bucket exists...."
aws s3 ls s3://$bucketName

if [ $? -eq 0 ]; then
    # Empty the bucket content
    printf "Bucket exists. Emptying content.."
    aws s3 rm s3://$bucketName --recursive


    for file in $(find s3/* -name "*html"); 
    do
        read objectKey <<< $(printf $file | awk '{   
            n=split($0, arr , "/"); 
            for(i=2; i < n;i++)
                if(objectKey=="")
                    objectKey=arr[i]
                else
                    objectKey=objectKey"/"arr[i]
            
            print objectKey
        }')

        read fileName <<< $(printf $file | awk '{   
                        n=split($0, arr , "/"); 
                        if(arr[n] ~ /\.html$/)
                            print arr[n];
                        else
                            exit 1;
                    }')

        echo ">> Uploading $directory/$file to s3://$bucketName"
        aws s3api put-object --bucket $bucketName --key $objectKey/$fileName --body s3/$objectKey/$fileName
        echo ">>> done" 
    done

else
    echo "Bucket s3://$bucketName might not exist or inaccessible due to insufficient permissions - not uploading anything."
    exit 1;
fi

echo "Summary of content in the s3 bucket"
aws s3 ls s3://$bucketName --recursive --human-readable --summarize