Creating Test AWS Lambda via awscli

create_aws_lambda_function.sh

#!/bin/bash

mkdir lambdatest && cd lambdatest
pip3 install elasticsearch requests_aws4auth -t ./
touch __init__.py
touch packages/__init__.py
cat << EOF > lambdatest.py
from packages.elasticsearch import Elasticsearch, RequestsHttpConnection
from packages.requests_aws4auth import AWS4Auth


def handler(event, context): 
    print('invoked')
    return 'invoked'

EOF
zip -r package.zip . -x "*.git*"
aws iam create-role \
    --role-name lambdatest \
    --assume-role-policy-document '{"Version": "2012-10-17", "Statement": [{"Effect": "Allow", "Principal": {"Service": "lambda.amazonaws.com"}, "Action": "sts:AssumeRole"}]}'
aws iam attach-role-policy \
    --role-name lambdatest \
    --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
aws lambda create-function \
    --region us-west-2 \
    --function-name lambdatest \
    --runtime python3.7 \
    --zip-file fileb://package.zip \
    --handler lambdatest.handler  \
    --role arn:aws:iam::$(aws sts get-caller-identity --query 'Account' --output text):role/lambdatest
aws lambda invoke \
    --region us-west-2 \
    --function-name lambdatest \
    --payload '{ "foo": "bar" }' \
    /dev/stdout

aws lambda delete-function --region us-west-2 --function-name lambdatest
aws iam detach-role-policy \
    --role-name lambdatest \
    --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
aws iam delete-role --role-name lambdatest
aws logs delete-log-group \
    --region us-west-2 \
    --log-group-name '/aws/lambda/lambdatest'