Added Ruby sample for RDS IAM connection

integration-docdb-to-lambda/snippet-data.json

@@ -0,0 +1,79 @@
+{
+  "title": "Integration of Amazon DocumentDB with AWS Lambda",
+  "description": "This snippet demonstrates how to integrate Amazon DocumentDB with an AWS Lambda function.",
+  "type": "Integration",
+  "services": ["lambda", "DocumentDB"],
+  "tags": [],
+  "languages": ["Python", "Go", "Ruby", "Javascript"],
+  "introBox": {
+    "headline": "How it works",
+    "text": [
+      "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"
+    ] 
+  },
+  "gitHub": {
+    "template": {
+      "repoURL": "https://github.com/aws-samples/serverless-snippets/tree/main/integration-docdb-to-lambda"
+    }
+  },
+  "snippets": [
+    {
+      "title": "Runtimes",
+      "codeTabs": [
+        {
+          "id": "Python",
+          "title": "Copy the code into your Lambda function",
+          "description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format.",
+          "snippets": [
+            {
+              "snippetPath": "example.py",
+              "language": "py"
+            }
+          ]
+        },
+        {
+          "id": "Go",
+          "title": "Copy the code into your Lambda function",
+          "description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format.",
+          "snippets": [
+            {
+              "snippetPath": "main.go",
+              "language": "go"
+            }
+          ]
+        },
+        {
+          "id": "Ruby",
+          "title": "Copy the code into your Lambda function",
+          "description": "Follow the AWS Lambda instructions for packaging with ruby dependencies with Ruby gem and bundler.",
+          "snippets": [
+            {
+              "snippetPath": "example.rb",
+              "language": "ruby"
+            }
+          ]
+        },
+        {
+          "id": "Javascript",
+          "title": "Copy the code into your Lambda function",
+          "description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format. This snippet uses the mysql2/promise library.",
+          "snippets": [
+            {
+              "snippetPath": "example.js",
+              "language": "js"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "authors": [
+    {
+      "headline": "Presented by Abhishek Agawane",
+      "name": "Abhishek Agawane",
+      "image": "https://drive.google.com/file/d/1E-5koDaKEaMUtOctX32I9TLwfh3kgpAq/view?usp=drivesdk",
+      "bio": "API Gateway SME & Cloud Support Engineer @ AWS",
+      "linkedin": "https://www.linkedin.com/in/agawabhi/"
+    }
+  ]
+}

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

@@ -0,0 +1,55 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+# Ruby code here.
+
+require 'aws-sdk-rds'
+require 'json'
+require 'mysql2'
+
+def lambda_handler(event:, context:)
+  endpoint = 'mysqldb.123456789012.us-east-1.rds.amazonaws.com'
+  port = '3306'
+  user = 'DatabaseUser'
+  region = 'us-east-1'
+  db_name = 'DatabaseName'
+
+  credentials = Aws::Credentials.new(
+    ENV['AWS_ACCESS_KEY_ID'],
+    ENV['AWS_SECRET_ACCESS_KEY'],
+    ENV['AWS_SESSION_TOKEN']
+  )
+  rds_client = Aws::RDS::AuthTokenGenerator.new(
+    region: region, 
+    credentials: credentials
+  )
+
+  token = rds_client.auth_token(
+    endpoint: endpoint+ ':' + port,
+    user_name: user,
+    region: region
+  )
+
+  begin
+    conn = Mysql2::Client.new(
+      host: endpoint,
+      username: user,
+      password: token,
+      port: port,
+      database: db_name,
+      sslca: '/var/task/global-bundle.pem', 
+      sslverify: true,
+      enable_cleartext_plugin: true
+    )
+    a = 3
+    b = 2
+    result = conn.query("SELECT #{a} + #{b} AS sum").first['sum']
+    puts result
+    conn.close
+    {
+      statusCode: 200,
+      body: result.to_json
+    }
+  rescue => e
+    puts "Database connection failed due to #{e}"
+  end
+end

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

@@ -4,7 +4,7 @@
   "type": "Integration",
   "services": ["lambda", "rds"],
   "tags": [],
-  "languages": ["Javascript"],
+  "languages": ["Go", "Ruby", "Javascript"],
   "introBox": {
     "headline": "How it works",
     "text": [
@@ -20,6 +20,28 @@
     {
       "title": "Runtimes",
       "codeTabs": [
+        {
+          "id": "Go",
+          "title": "Copy the code into your Lambda function",
+          "description": "Follow the AWS Lambda instructions for packaging with dependencies and uploading in .zip format. This snippet uses the go mysql driver",
+          "snippets": [
+            {
+              "snippetPath": "main.go",
+              "language": "go"
+            }
+          ]
+        },
+        {
+          "id": "Ruby",
+          "title": "Copy the code into your Lambda function",
+          "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",
+          "snippets": [
+            {
+              "snippetPath": "lambda_function.rb",
+              "language": "ruby"
+            }
+          ]
+        },
         {
           "id": "Javascript",
           "title": "Copy the code into your Lambda function",
@@ -35,12 +57,18 @@
     }
   ],
   "authors": [
+    {
+      "headline": "Presented by Abhishek Agawane",
+      "name": "Abhishek Agawane",
+      "image": "https://drive.google.com/file/d/1E-5koDaKEaMUtOctX32I9TLwfh3kgpAq/view?usp=drivesdk",
+      "bio": "API Gateway SME & Cloud Support Engineer @ AWS",
+      "linkedin": "https://www.linkedin.com/in/agawabhi/"
+    },
     {
       "headline": "JavaScript (Node) example by Jon Loinaz",
       "name": "Jon Loinaz",
       "image": "/assets/images/resources/contributors/jloinaz.jpg",
       "bio": " Solutions Architect @ AWS.",
-      "twitter": "",
       "linkedin": "jonloinaz"
     }
   ]