Create lamda function and upload code

zip -r function.zip .

aws lambda create-function --function-name rds-proxy-test --zip-file fileb://function.zip --handler index.handler --runtime nodejs12.x --environment "Variables={endpoint=${proxy_end-point},my_db=test}"

aws lambda create-function --function-name rds-proxy-test --zip-file fileb://function.zip --handler index.handler --runtime nodejs12.x --environment "Variables={endpoint=rdsproxytest-endpoint,my_db=test}" --role arn:aws:iam::669558139762:role/lambda-ex

Update code

aws lambda update-function-code --function-name rdsproxytest --zip-file fileb://function.zip

secretmanager-access-policy-test (Policy Document)

{ "Version": "2012-10-17", "Statement": [{ "Sid": "VisualEditor0", "Effect": "Allow", "Action": [ "secretsmanager:GetResourcePolicy", "secretsmanager:GetSecretValue", "secretsmanager:DescribeSecret", "secretsmanager:ListSecretVersionIds" ], "Resource": [ "arn:aws:secretsmanager:us-east-1:{account}:secret:mysql5-7freetier-Gf737N" ] }, { "Sid": "VisualEditor1", "Effect": "Allow", "Action": [ "secretsmanager:GetRandomPassword", "secretsmanager:ListSecrets" ], "Resource": "*" } ] }

Trust Relationship (Policy Document)

{ "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": { "Service": [ "lambda.amazonaws.com", "rds.amazonaws.com" ] }, "Action": "sts:AssumeRole" } ] }