pushlambdafunc.sh

#!/bin/bash

set -e

# Test argument existence
if [ -z "$1" ]
then
  echo ">> Function path must be supplied"
  exit 1
fi

# Test path existence
if [ ! -d "$1" ]
then
  echo ">> Path supplied does not exist"
  exit 1
fi

# Test package.json existence
if [ ! -f "$1/package.json" ]
then
  echo ">> package.json does not exist"
  exit 1
fi


# Get func infos
funcName=$(cat $1/package.json | jq -r '.name')
funcRegion=$(cat $1/package.json | jq -r '.region')

if [ "$funcName" == "null" ]
then
  echo ">> name entry in package.json is missing"
  exit 1
fi

if [ "$funcRegion" == "null" ]
then
  echo ">> region entry in package.json is missing"
  exit 1
fi

read -p ">> Do you want really to push function $funcName in region $funcRegion ? [Yy]" -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]
then
  if [[ $2 != "--no-clean" ]]; then
    # Reinstall node packages
    cd $1
    rm -Rf ./node_modules
    yarn install

    # Clean node_modules
    yarn autoclean --init
    yarn autoclean --force
  fi

  # Zip folder
  fileName=$(uuidgen)".zip"
  zipPath="/tmp/$fileName"
  cd $1
  echo ">> Creating zip file ..."
  zip -rq $zipPath ./*

  # Push function to AWS
  echo ">> Push function to aws ..."

  currentRegion=$(aws configure get region)

  # Set function region
  echo ">> Use region $funcRegion"
  aws configure set region $funcRegion

  echo ">> Upload function to s3"
  aws s3 cp $zipPath s3://s3-functions/

  echo ">> Update function code ..."
  aws lambda update-function-code --function-name $funcName --s3-bucket "s3-functions" --s3-key $fileName

  # Bash to initial region
  echo ">> Bask to region $currentRegion"
  aws configure set region $currentRegion

  echo ">> Delete zip file $zipPath"
  echo ">> All done"

  # Display notification
  noti
fi