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Merge pull request #187 from agawanea/main
Added Ruby sample for RDS IAM connection
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‎integration-docdb-to-lambda/snippet-data.json

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{
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"title": "Integration of Amazon DocumentDB with AWS Lambda",
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"description": "This snippet demonstrates how to integrate Amazon DocumentDB with an AWS Lambda function.",
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"type": "Integration",
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"services": ["lambda", "DocumentDB"],
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"tags": [],
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"languages": ["Python", "Go", "Ruby", "Javascript"],
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"introBox": {
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"headline": "How it works",
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"text": [
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"Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads. AWS Lambda can be easily integrated with Amazon DocumentDB to build serverless applications that leverage the power of a fully managed document database"
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]
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},
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"gitHub": {
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"template": {
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"repoURL": "https://github.com/aws-samples/serverless-snippets/tree/main/integration-docdb-to-lambda"
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}
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},
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"snippets": [
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{
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"title": "Runtimes",
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"codeTabs": [
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{
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"id": "Python",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format.",
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"snippets": [
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{
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"snippetPath": "example.py",
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"language": "py"
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}
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]
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},
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{
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"id": "Go",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format.",
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"snippets": [
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{
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"snippetPath": "main.go",
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"language": "go"
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}
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]
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},
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{
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"id": "Ruby",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with ruby dependencies with Ruby gem and bundler.",
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"snippets": [
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{
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"snippetPath": "example.rb",
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"language": "ruby"
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}
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]
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},
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{
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"id": "Javascript",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format. This snippet uses the mysql2/promise library.",
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"snippets": [
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{
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"snippetPath": "example.js",
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"language": "js"
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}
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]
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}
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]
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}
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],
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"authors": [
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{
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"headline": "Presented by Abhishek Agawane",
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"name": "Abhishek Agawane",
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"image": "https://drive.google.com/file/d/1E-5koDaKEaMUtOctX32I9TLwfh3kgpAq/view?usp=drivesdk",
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"bio": "API Gateway SME & Cloud Support Engineer @ AWS",
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"linkedin": "https://www.linkedin.com/in/agawabhi/"
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}
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]
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}

‎lambda-function-connect-rds-iam/lambda_function.rb

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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0
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# Ruby code here.
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require 'aws-sdk-rds'
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require 'json'
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require 'mysql2'
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def lambda_handler(event:, context:)
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endpoint = 'mysqldb.123456789012.us-east-1.rds.amazonaws.com'
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port = '3306'
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user = 'DatabaseUser'
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region = 'us-east-1'
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db_name = 'DatabaseName'
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credentials = Aws::Credentials.new(
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ENV['AWS_ACCESS_KEY_ID'],
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ENV['AWS_SECRET_ACCESS_KEY'],
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ENV['AWS_SESSION_TOKEN']
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)
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rds_client = Aws::RDS::AuthTokenGenerator.new(
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region: region,
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credentials: credentials
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)
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token = rds_client.auth_token(
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endpoint: endpoint+ ':' + port,
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user_name: user,
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region: region
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)
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begin
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conn = Mysql2::Client.new(
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host: endpoint,
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username: user,
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password: token,
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port: port,
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database: db_name,
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sslca: '/var/task/global-bundle.pem',
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sslverify: true,
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enable_cleartext_plugin: true
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)
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a = 3
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b = 2
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result = conn.query("SELECT #{a} + #{b} AS sum").first['sum']
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puts result
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conn.close
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{
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statusCode: 200,
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body: result.to_json
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}
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rescue => e
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puts "Database connection failed due to #{e}"
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end
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end

‎lambda-function-connect-rds-iam/snippet-data.json

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"type": "Integration",
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"services": ["lambda", "rds"],
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"tags": [],
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"languages": ["Javascript"],
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"languages": ["Go", "Ruby", "Javascript"],
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"introBox": {
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"headline": "How it works",
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"text": [
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{
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"title": "Runtimes",
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"codeTabs": [
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{
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"id": "Go",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format. This snippet uses the go mysql driver",
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"snippets": [
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{
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"snippetPath": "main.go",
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"language": "go"
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}
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]
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},
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{
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"id": "Ruby",
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"title": "Copy the code into your Lambda function",
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"description": "Follow the AWS Lambda instructions for packaging with ruby dependencies with Ruby gem and bundler. This snippet uses the mysql2 gem so needs to use lambda containers",
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"snippets": [
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{
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"snippetPath": "lambda_function.rb",
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"language": "ruby"
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}
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]
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},
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{
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"id": "Javascript",
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"title": "Copy the code into your Lambda function",
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}
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],
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"authors": [
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{
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"headline": "Presented by Abhishek Agawane",
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"name": "Abhishek Agawane",
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"image": "https://drive.google.com/file/d/1E-5koDaKEaMUtOctX32I9TLwfh3kgpAq/view?usp=drivesdk",
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"bio": "API Gateway SME & Cloud Support Engineer @ AWS",
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"linkedin": "https://www.linkedin.com/in/agawabhi/"
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},
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{
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"headline": "JavaScript (Node) example by Jon Loinaz",
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"name": "Jon Loinaz",
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"image": "/assets/images/resources/contributors/jloinaz.jpg",
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"bio": " Solutions Architect @ AWS.",
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"twitter": "",
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"linkedin": "jonloinaz"
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}
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]

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