380 lines
12 KiB
Python
380 lines
12 KiB
Python
"""
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Functions for init of the AWS environment for a new MiroSite
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"""
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import logging
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import json
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import time
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import boto3
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def create_bucket(bucket_name, region_name, aws_access_key, aws_secret_key):
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"""
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create_bucket
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:param bucket_name: The name of the bucket to work with
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:param region_name: The region the bucket belongs
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return Boolean for success
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"""
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# Create client connection
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s3 = boto3.client('s3',
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region_name=region_name,
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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# Create the bucket
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try:
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s3.create_bucket(Bucket=bucket_name,
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CreateBucketConfiguration={
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'LocationConstraint':region_name
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})
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return True
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except (s3.exceptions.BucketAlreadyExists, s3.exceptions.BucketAlreadyOwnedByYou):
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return True
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except Exception as ex:
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logging.error("[CREATE S3 BUCKET] [%s] [%s]", bucket_name, str(ex))
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return False
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def configure_website(bucket_name, aws_access_key, aws_secret_key):
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"""
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configure_website
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:param bucket_name: The name of the bucket to work with
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return Boolean for success
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"""
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# Create client connection
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s3 = boto3.client('s3',
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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try:
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# Enable website hosting
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s3.put_bucket_website(
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Bucket=bucket_name,
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WebsiteConfiguration={
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'IndexDocument': {'Suffix': 'index.html'},
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'ErrorDocument': {'Key': 'index.html'},
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}
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)
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return True
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except Exception as ex:
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logging.error("[WEBSITE ENABLE S3 BUCKET] [%s] [%s]", bucket_name, str(ex))
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return False
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def grant_public_access(bucket_name, aws_access_key, aws_secret_key):
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"""
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grant_public_access
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:param bucket_name: The name of the bucket to work with
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return Boolean for success
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"""
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# Create client connection
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s3 = boto3.client('s3',
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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try:
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# Update policy
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s3.put_public_access_block(Bucket=bucket_name,
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PublicAccessBlockConfiguration={
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'BlockPublicAcls': False,
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'IgnorePublicAcls': False,
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'BlockPublicPolicy': False,
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'RestrictPublicBuckets': False
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})
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# Set public access policy
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public_access_policy = {
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": "*",
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"Action": "s3:GetObject",
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"Resource": f"arn:aws:s3:::{bucket_name}/*"
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}
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]
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}
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# Update policy
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s3.put_bucket_policy(Bucket=bucket_name, Policy=json.dumps(public_access_policy))
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return True
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except Exception as ex:
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logging.error("[PUBLIC POLICY ENABLE S3 BUCKET] [%s] [%s]", bucket_name, str(ex))
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return False
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def get_web_url(bucket_name, region_name):
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"""
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get_web_url
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:param bucket_name: The name of the bucket to work with
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:param region_name: The region the bucket belongs
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:return String of a URL
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"""
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return f"{bucket_name}.s3-website-{region_name}.amazonaws.com"
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def get_cloudfront_distribution(bucket_name, aws_access_key, aws_secret_key):
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"""
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get_cloudfront_distribution
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:param bucket_name: The name of the bucket to work with
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return New Distribution ID or None if failed
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"""
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# Create client connection
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cloudfront = boto3.client('cloudfront',
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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paginator = cloudfront.get_paginator('list_distributions')
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for page in paginator.paginate():
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# Check if there are distributions in the current page
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if 'DistributionList' in page and 'Items' in page['DistributionList']:
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for distribution in page['DistributionList']['Items']:
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if distribution.get('Comment') == bucket_name[:127]:
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return distribution
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return None
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def create_cloudfront_distribution(bucket_name, region_name, logging_bucket,
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aws_access_key, aws_secret_key):
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"""
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create_cloudfront_distribution
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:param bucket_name: The name of the bucket to work with
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:param region_name: The region the bucket belongs
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:param logging_bucket: Bucket to send logs to
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return New Distribution ID or None if failed
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"""
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# Create client connection
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cloudfront = boto3.client('cloudfront',
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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# Create CloudFront distribution
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distribution_config = {
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'CallerReference': bucket_name,
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'Origins': {
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'Quantity': 1,
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'Items': [
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{
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'Id': get_web_url(bucket_name, region_name),
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'DomainName': get_web_url(bucket_name, region_name),
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'OriginPath': '',
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'CustomOriginConfig': {
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'HTTPPort': 80,
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'HTTPSPort': 443,
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'OriginProtocolPolicy': 'http-only'
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}
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}
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]
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},
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'DefaultRootObject': 'index.html',
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'DefaultCacheBehavior': {
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'TargetOriginId': get_web_url(bucket_name, region_name),
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'ViewerProtocolPolicy': 'redirect-to-https',
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'CachePolicyId': '4135ea2d-6df8-44a3-9df3-4b5a84be39ad'
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},
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'Logging': {
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'Enabled': True,
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'IncludeCookies': False,
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'Bucket': logging_bucket,
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'Prefix': bucket_name,
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},
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'Comment': bucket_name[:127],
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'Enabled': True
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}
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try:
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response = cloudfront.create_distribution(DistributionConfig=distribution_config)
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return response['Distribution']
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except cloudfront.exceptions.DistributionAlreadyExists as ee:
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logging.error("[DISTRIBUTIONALREADYEXISTS] [%s] [%s]", bucket_name, str(ee))
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return get_cloudfront_distribution(bucket_name, aws_access_key, aws_secret_key)
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return None
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def create_certificate(domain_name, region_name, aws_access_key, aws_secret_key):
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"""
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create_certificate
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:param domain_name: The name of the domain to create cert for
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:param region_name: The region the bucket belongs
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return New Certificate or None if failed
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"""
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# Create client connection
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acm = boto3.client('acm',
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region_name=region_name,
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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# Request a new ACM certificate
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response = acm.request_certificate(
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DomainName=domain_name,
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ValidationMethod='DNS',
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)
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# Wait a few seconds. New AWS certificates take a little to create.
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time.sleep(10)
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# Get the certificate ARN
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return response['CertificateArn']
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def get_certificate(certificate_arn, region_name, aws_access_key, aws_secret_key):
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"""
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get_certificate
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:param certificate_arn: The certificate ARN
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:param region_name: The region the bucket belongs
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return New Certificate or None if failed
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"""
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# Create client connection
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acm = boto3.client('acm',
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region_name=region_name,
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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try:
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# Get certificate
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new_certificate_req = acm.describe_certificate(CertificateArn=certificate_arn)
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return new_certificate_req['Certificate']
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except Exception as ex:
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logging.error("[CERTIFICATE GET] [%s] [%s]", certificate_arn, str(ex))
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return None
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def get_certificate_dns(certificate_arn, domain_name, region_name, aws_access_key, aws_secret_key):
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"""
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get_certificate_dns
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:param certificate_arn: The certificate ARN
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:param domain_name: The name of the domain to create cert for
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:param region_name: The region the bucket belongs
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return New Certificate DNS
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"""
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# Create client connection
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acm = boto3.client('acm',
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region_name=region_name,
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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# Get certificate
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new_certificate_req = acm.describe_certificate(CertificateArn=certificate_arn)
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new_certificate = new_certificate_req['Certificate']
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# Get the DNS information
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certificate_dns = []
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if new_certificate:
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for dvo in new_certificate.get('DomainValidationOptions', []):
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if not dvo.get('DomainName') == domain_name:
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continue
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# Get the data needed for DNS update and save to list
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resource_record_type = dvo.get('ResourceRecord', {}).get('Type', '')
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resource_record_name = dvo.get('ResourceRecord', {}).get('Name', '')
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resource_record_value = dvo.get('ResourceRecord', {}).get('Value', '')
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certificate_dns.append({
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"type": resource_record_type,
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"name": resource_record_name,
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"value": resource_record_value
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})
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# Return results
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return certificate_dns
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def update_cloudfront_distribution(distribution_id, aliases, acm_certificate_arn,
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aws_access_key, aws_secret_key):
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"""
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update_cloudfront_distribution
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:param distribution_id:
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:param aliases:
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:param acm_certificate_arn:
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:param aws_access_key: Authentication access key
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:param aws_secret_key: Authentication secret key
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:return Boolean for success
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"""
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# Create client connection
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cloudfront = boto3.client('cloudfront',
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aws_access_key_id=aws_access_key,
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aws_secret_access_key=aws_secret_key)
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try:
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# Get Distribution and update values
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distribution_config = cloudfront.get_distribution_config(Id=distribution_id)
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distribution_config['DistributionConfig']['Aliases']['Items'] = aliases
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distribution_config['DistributionConfig']['Aliases']['Quantity'] = len(aliases)
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# Update ViewerCertificate
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new_viewercertificate = distribution_config['DistributionConfig']['ViewerCertificate']
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new_viewercertificate['CloudFrontDefaultCertificate'] = False
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new_viewercertificate['CertificateSource'] = "acm"
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new_viewercertificate['ACMCertificateArn'] = acm_certificate_arn
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new_viewercertificate['SSLSupportMethod'] = "sni-only"
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new_viewercertificate['MinimumProtocolVersion'] = "TLSv1.2_2021"
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distribution_config['DistributionConfig']['ViewerCertificate'] = new_viewercertificate
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# Update the Distribution
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cloudfront.update_distribution(
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DistributionConfig=distribution_config['DistributionConfig'],
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Id=distribution_id,
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IfMatch=distribution_config['ETag']
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)
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return True
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except Exception as ex:
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logging.error("[DISTRIBUTION UPDATE] [%s] [%s]", distribution_id, str(ex))
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return False
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