Makefile for python2.7 AWS Lambda functions

Makefile

.PHONY: all update upload s3 clean purge virtualenv

# Usage:
#   make clean && make && make s3
#   make update && make upload
#   make purge && git add *
#   make purge && make virtualenv && make clean && make


zipfile = lambda.zip
pyfile = lambda_function.py
sitepackages = lib/python2.7/site-packages # this assumes that lib64 is a link to lib as is the case with Amazon Linux 2016.09.1
s3uri = s3://ies-devops/bots/lambda
pwd = $(shell pwd)

all: $(zipfile)

$(zipfile): $(pyfile)
	zip -9 $(zipfile) $(pyfile)
	cd $(sitepackages) && \
	zip -r9 $(pwd)/$(zipfile) .

update:
	zip -9 $(zipfile) $(pyfile)

upload:
	aws lambda update-function-code --function-name $(shell basename $(pwd)) --zip-file fileb://$(zipfile)

s3:
	aws s3 cp $(zipfile) $(s3uri)/$(zipfile)

clean:
	rm $(zipfile)

purge:
	rm -rf bin include lib{64,} local .Python

virtualenv: bin/python2.7

bin/python2.7:
	python2.7 -m virtualenv .
	. bin/activate && python -m pip install -r requirements.txt