AWS Transcribe on S3 Upload

An AWS stack that upon upload of mp4 files, adds docx transcriptions to the same bucket.

Manually create an IAM user and set permissions

The folowing JSON shows the required IAM permissions. You must change your bucket name in the below example from transcribe-everything-placed-here. If required, you can also rename the function from CreateTranscription. Be aware template.yaml must be updated to reflect your changes.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "iam:CreateRole",
                "iam:DeleteRolePolicy",
                "iam:GetRole",
                "iam:PassRole",
                "iam:PutRolePolicy"
            ],
            "Resource": "arn:aws:iam::*:role/transcribe-on-s3-upload-LambdaExecutionRole-*"
        },
        {
            "Effect": "Allow",
            "Action": [
                "lambda:AddPermission",
                "lambda:CreateFunction",
                "lambda:DeleteFunction",
                "lambda:GetFunctionConfiguration",
                "lambda:GetFunction",
                "lambda:UpdateFunctionConfiguration",
                "lambda:UpdateFunctionCode"
            ],
            "Resource": [
                "arn:aws:lambda:*:*:function:CreateTranscription"
            ]
        },
        {
            "Effect": "Allow",
            "Action": [
                "s3:PutBucketNotification",
                "s3:CreateBucket"
            ],
            "Resource": [
                "arn:aws:s3:::transcribe-everything-placed-here"
            ]
        },
        {
            "Effect": "Allow",
            "Action": "cloudformation:*",
            "Resource": "arn:aws:cloudformation:*:*:stack/transcribe-on-s3-upload/*"
        }
    ]
}

Manual steps if you are not using CI

# deploy cloudformation stack
aws cloudformation create-stack --template-body file://template.yaml --capabilities CAPABILITY_IAM --stack-name "transcribe-on-s3-upload"
# update cloudformation stack
cat template.yaml template-after-create.yaml > template-update-stack.yaml
aws cloudformation update-stack --template-body file://template-update-stack.yaml --capabilities CAPABILITY_IAM --stack-name "transcribe-on-s3-upload"
# run build script to create a lambda zip with the python packages baked in
chmod +x build.sh
./build.sh
# deploy zip file over place holder lambda
aws lambda update-function-code \
  --region $REGION \
  --function-name CreateTranscription \
  --zip-file fileb://function.zip \
  --publish

Thank you

https://github.com/kibaffo33/aws_transcribe_to_docx - my repo is just an aws deploy of kibaffo33's excellent repo.