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← Revision 34 as of 2023-11-14 22:07:51 ⇥
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Lambda Java samples: * https://docs.aws.amazon.com/lambda/latest/dg/lambda-samples.html * https://github.com/awsdocs/aws-lambda-developer-guide/tree/main/sample-apps/java-basic/ |
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Follow the best practice of using the root user only to create your first IAM user. |
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| == Localstack in Debian == * https://github.com/localstack/localstack * sudo apt install python3-pip * sudo apt install python-pip * pip3 install localstack * pip install localstack * .local/bin/localstack start * docker run --rm -it -p 4566:4566 -p 4571:4571 localstack/localstack * curl http://localhost:4566/health * pip3 install awscli * pip3 install awscli-local * .local/bin/awslocal kinesis list-streams * .local/bin/awslocal s3api list-buckets * PATH=$PATH:/usr/sbin:~/.local/bin in ~/.bashrc * docker exec -it silly_greider bash * awslocal s3api list-buckets * awslocal s3api create-bucket --bucket my-bucket --region us-east-1 * https://docs.aws.amazon.com/cli/latest/reference/s3api/ * echo "test" > test.txt * awslocal s3api put-object --bucket my-bucket --key dir-1/test.txt --body test.txt * awslocal s3api get-object --bucket my-bucket --key dir-1/test.txt test2.txt * cat test2.txt === Localstack - lambda and s3 === '''run.sh''' {{{#!highlight bash zip py-my-function.zip lambda_function.py awslocal lambda delete-function --function-name py-my-function awslocal lambda create-function --function-name py-my-function --zip-file fileb://py-my-function.zip --handler lambda_function.lambda_handler --runtime python3.9 --role arn:aws:iam::000000000000:role/lambda-ex awslocal lambda invoke --function-name py-my-function --payload '{ "first_name": "Bob","last_name":"Squarepants" }' response.json cat response.json }}} '''lambda_function.py''' {{{#!highlight python import boto3 import os def lambda_handler(event, context): message = 'Hello {} {}!'.format(event['first_name'], event['last_name']) session = boto3.session.Session() s3_client = session.client( service_name='s3', aws_access_key_id=os.environ["AWS_ACCESS_KEY_ID"], aws_secret_access_key=os.environ["AWS_SECRET_ACCESS_KEY"], endpoint_url='http://localhost:4566', ) buckets=[] for bucket in s3_client.list_buckets()['Buckets']: buckets.append(bucket['Name']) response = s3_client.create_bucket(Bucket='examplebucket') body = { 'message' : message, 'buckets' : buckets, 'AWS_ACCESS_KEY_ID' : os.environ["AWS_ACCESS_KEY_ID"], 'AWS_SECRET_ACCESS_KEY' : os.environ["AWS_SECRET_ACCESS_KEY"] } s3_client.put_object(Body=str(body), Bucket='examplebucket', Key='examplebucket/response.txt') return body }}} |
== IPv6 info == * https://aws.amazon.com/blogs/networking-and-content-delivery/introducing-ipv6-only-subnets-and-ec2-instances/ * https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-instance-addressing.html#amazon-dns * https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-instance-addressing.html#working-with-ipv6-addresses |
AWS
Amazon Web Services
Lambda Java samples:
User credentials
https://docs.aws.amazon.com/general/latest/gr/root-vs-iam.html
https://docs.aws.amazon.com/general/latest/gr/aws-access-keys-best-practices.html
https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html
Instead of sharing the credentials of the AWS account root user, create individual IAM users, granting each user only the permissions they require.
Follow the best practice of using the root user only to create your first IAM user.
There are two types of credentials:
- Root user credentials, allow full access to all resources in the AWS account.
- IAM credentials, control access to AWS services and resources for users in your AWS account
Serverless blog web application architecture
https://s3.amazonaws.com/aws-lambda-serverless-web-refarch/RefArch_BlogApp_Serverless.png
- Amazon Route 53 (routes to specific places based on region)
Amazon CloudFront (deliver static content per region hosted inside S3)
- Amazon Simple Storage Service (S3)
- Amazon Cognito (Authentication and authorization)
- Amazon API Gateway (routes requests to backend logic)
- AWS Lambda (backend business logic)
- AWS DynamoDB (managed DB)
- AWS Identity and Access Management (IAM) - web service to control access to AWS resources
