build_lambda_package.sh

#!/usr/bin/env bash 

cd k8s/resources

# Declare variable for reuse in directory validations
PACKAGE="package"

# Create directory and install lambda function dependencies
if [ -d $PACKAGE ]
then
	echo "The directory "$PACKAGE" already exists."
else
	echo "============================================="
	echo "Creating the directory "$PACKAGE"..."
	mkdir $PACKAGE
	echo "The directory "$PACKAGE" was created."
	echo "============================================="
fi

# Declares the variable that locates the requirements with the project's dependencies.
FILE_REQUIREMENTS=../scripts/requirements.txt

# Checks if the lambda_requirements file exists
if [ -f $FILE_REQUIREMENTS ]
then
	echo "============================================="
	echo "Installing dependencies located in "$FILE_REQUIREMENTS""
	pip install --target ./package -r $FILE_REQUIREMENTS
	echo "Dependencies installed successfully."
	echo "============================================="	
fi


cd $PACKAGE

# Declares variable that locates the lambda function for reuse in code.
LAMBDA_FUNCTION=../../lambda-function/lambda_function.py

# Checks if the lambda_function.py file exists.
if [ -f $LAMBDA_FUNCTION ]
then
	echo "============================================="
	echo "Copying Handler function..."
	cp $LAMBDA_FUNCTION .
	echo "Compressing file lambda_function.zip"
	zip -r9 ../lambda_function.zip . # Compress the package for deployment
	echo "File zipped successfully!"
	echo "============================================="
fi

cd ..