isaacnborges / aws-fundamentals

Cloud Fundamentals: AWS Services for C# Developers

aws-fundamentals

Cloud Fundamentals: AWS Services for C# Developers - Made by Nick Chapsas

Summary

• AWS SQS -> Simple Queue Service
• AWS SNS -> Simple Notification Service
• AWS DynamoDB
• AWS S3 -> Simple Storage Service
• AWS Secrets Manager
• AWS Lambda

Customers Api - message request example

{
    "id": "67c338ae-9556-4aea-b800-02b69f8a7592",
    "fullName": "Isaac Borges",
    "email": "[e-mail]",
    "gitHubUsername": "isaacnborges",
    "dateOfBirth": "1993-01-01"
}

SQS Access Policy permissions

    {
      "Effect": "Allow",
      "Principal": {
        "Service": "sns.amazonaws.com"
      },
      "Action": "sqs:SendMessage",
      "Resource": "arn:aws:sqs:queue-resource",
      "Condition": {
        "ArnEquals": {
          "aws:SourceArn": "arn:aws:sns:topic-source-arn"
        }
      }
    }

SNS Subcription Filter

• message attributes

{
  "MessageType": [
    "CustomerCreated"
  ]
}

• message body

{
  "FullName": [
    "Isaac Nunes Borges"
  ]
}

Secret Manager Example

ApiKey
Development_Weather.Api_OpenWeatherMapApi__ApiKey

AWS Lambda

• invoke example

aws lambda invoke --function-name SimpleLambda --cli-binary-format raw-in-base64-out --payload '{ "Hello": "From Console" }' response.json

Get-Content \.response.json

.NET Core CLI

dotnet tool install -g Amazon.Lambda.Tools

dotnet lambda invoke-function SimpleLambda --payload '{ "Hello": "From Console" }'

• templates

dotnet new -i Amazon.Lambda.Templates

Lambda policy permissions to access DynamoDB

{
	"Sid": "APIAccessForDynamoDBStreams",
	"Effect": "Allow",
	"Action": [
		"dynamodb:GetRecords",
		"dynamodb:GetShardIterator",
		"dynamodb:DescribeStream",
		"dynamodb:ListStreams"
	],
	"Resource": "arn:aws:dynamodb:[region]:[codeNumber]:table/customers/stream/*"
}

Deploy and invoke functions

• dotnet lambda deploy-function SimpleLambda
• dotnet lambda invoke-function SimpleLambda
• dotnet lambda invoke-function SimpleLambda --payload '{ "From DotNet Cli" }'

Deploy serverless

• dotnet lambda deploy-serverless SimpleHttpLambda
• dotnet lambda delete-serverless SimpleHttpLambda
• dotnet lambda deploy-function SimpleHttpLambda

AWS-Lambda-Dotnet

• dotnet tool install -g Amazon.Lambda.TestTool-6.0
• dotnet lambda-test-tool-6.0

Debug Lambda

• Attach to process -> dotnet lambda-test-tool-6.0

Deploy functions

• dotnet lambda deploy-function SimpleLambda
• dotnet lambda deploy-function SimpleHttpLambda
• dotnet lambda deploy-function SimpleSqsLambda
• dotnet lambda deploy-function SimpleSnsLambda
• dotnet lambda deploy-function SimpleDynamoDbLambda
• dotnet lambda deploy-function SimpleS3Lambda
• dotnet lambda deploy-function SimpleApiLambda