upload-lambda.py

import boto3 
from botocore.client import Config
import io
import zipfile
import mimetypes

def lambda_handler(event, context):
    sns = boto3.resource('sns')
    topic = sns.Topic('arn:aws:sns:ap-southeast-1:202433929926:DeployPortfolio')
    
    location = {
        "bucketName": 'reactbuild.patrikmolnar.com',
        "objectKey": 'reactbuild.zip'
    }
    
    try:
        job = event.get("CodePipeline.job")
        
        if job:
            for artifact in job["data"]["inputArtifacts"]:
                if artifact["name"] == "MyAppBuild":
                    location = artifact["location"]["s3Location"]
                    
        s3 = boto3.resource('s3')
        
        portfolio_bucket = s3.Bucket('react.patrikmolnar.com')
        build_bucket = s3.Bucket(location["bucketName"])
        
        
        portfolio_zip = io.BytesIO()
        build_bucket.download_fileobj(location["objectKey"], portfolio_zip)
        
        
        with zipfile.ZipFile(portfolio_zip) as myzip:
            for nm in myzip.namelist():
                obj = myzip.open(nm)
                portfolio_bucket.upload_fileobj(obj, nm, 
                    ExtraArgs={'ContentType': mimetypes.guess_type(nm)[0]})
                portfolio_bucket.Object(nm).Acl().put(ACL='public-read')
        
        topic.publish(Subject="Project", Message="Project deployed successfully!")
        if job:
            codepipeline = boto3.client('codepipeline')
            codepipeline.put_job_success_result(jobId=job["id"])
    except:
        topic.publish(Subject="Portfolio Deploy Failed", Message="There was an error while trying to deploy the project.")
        raise
    
    return 'Deploy Pass!'