Move AWS Lambda function with another name, region.

mv_lambda.sh

#!/bin/bash

# Rename Lambda by moviong function to another name.
# Moving to another region is also possible.
# Param: role_lambda_execute
#          See. https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-awscli.html
#        accountID
#        function_name_orig
#        region_orig
#        function_name_orig
#        region_new
#
# Uncomment aws `lambda delete-functon ...` to delete original lambda function

role_lambda_execute="arn:aws:iam::<accountID>:role/lambda-ex"
function_name_orig="Lambda_function1"
region_orig="<region>"
function_name_new="Lambda_function2"
region_new="<region>"

zip_name="tmp.zip"
jsonData=$(aws lambda get-function --function-name $function_name_orig --region $region_orig)
handler=$(echo $jsonData | jq -r ".Configuration.Handler")
runtime=$(echo $jsonData | jq -r ".Configuration.Runtime")

S3LocationURL=$(echo $jsonData | jq -r ".Code.Location")

wget --quiet --output-document $zip_name $S3LocationURL

aws lambda create-function --function-name $function_name_new \
	--zip-file fileb://$zip_name \
	--handler $handler \
	--runtime $runtime \
	--role $role_lambda_execute \
	--region $region_new

rm $zip_name

# aws lambda delete-function --function-name $function_name_orig