Book Image

Serverless Integration Design Patterns with Azure

By : Abhishek Kumar, Srinivasa Mahendrakar
Book Image

Serverless Integration Design Patterns with Azure

By: Abhishek Kumar, Srinivasa Mahendrakar

Overview of this book

With more enterprises adapting cloud-based and API-based solutions, application integration has become more relevant and significant than ever before. Parallelly, Serverless Integration has gained popularity, as it helps agile organizations to build integration solutions quickly without having to worry about infrastructure costs. With Microsoft Azure’s serverless offerings, such as Logic Apps, Azure Functions, API Management, Azure Event Grid and Service Bus, organizations can build powerful, secure, and scalable integration solutions with ease. The primary objective of this book is to help you to understand various serverless offerings included within Azure Integration Services, taking you through the basics and industry practices and patterns. This book starts by explaining the concepts of services such as Azure Functions, Logic Apps, and Service Bus with hands-on examples and use cases. After getting to grips with the basics, you will be introduced to API Management and building B2B solutions using Logic Apps Enterprise Integration Pack. This book will help readers to understand building hybrid integration solutions and touches upon Microsoft Cognitive Services and leveraging them in modern integration solutions. Industry practices and patterns are brought to light at appropriate opportunities while explaining various concepts.

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Table of Contents (15 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Serverless Integration with Microsoft Azure
Serverless Integration with Microsoft Azure
Introduction to serverless in the cloud
Benefits and disadvantages of serverless architecture
Azure Integration Services
Azure Logic Apps – cloud workflow engine
Azure Service Bus – cloud messaging service
Azure API Management – API gateway
Azure Functions
Azure Event Grid – event-handling platform
Summary
2
Azure Functions and Enterprise Integration
Azure Functions and Enterprise Integration
Azure Functions hosting architecture
Sample Azure Function
Understanding the components of an Azure Function
Sample scenario continued
Azure Function use cases
Important considerations when building Azure Functions
Durable Functions
Creating a sample durable function
Summary
3
Introduction to Azure Event Grid
Introduction to Azure Event Grid
Eventing or messaging for enterprise solutions
Event sources and event handlers
Azure Event Grid topics
Azure Event Grid security and authentication
Publishing events through custom topics
Azure Event Grid management access control
Azure Event Grid message delivery retry and event filtering
Dead-letter events with Azure Event Grid
Event filtering through Azure Event Grid subscription
Example 1 – storage events and Logic Apps single event listener
Example 2 – custom Azure Event Grid topic and event broadcast
Azure Event Grid domain for enterprise integration
Summary
4
Azure API Management
Azure API Management
The API Management platform
Logistical company ShipAnyWhere – case study
Creating an APIM service
Creating REST endpoints for the ShipAnyWhere product service
Creating a SOAP pass through an API
Creating purchase order APIs with Logic Apps and Azure Functions
Handling large messages in hybrid integration scenarios
Versioning and production testing Logic Apps
Summary
5
Azure Service Bus with Integration Services
Azure Service Bus with Integration Services
Azure Service Bus use cases
Summary
6
Introduction to Logic Apps
Introduction to Logic Apps
The components of Azure Logic Apps
An overview of triggers
Actions in Logic Apps
Parameters in the Logic Apps workflow template
Outputs in the Logic Apps workflow template
Example 1 – Debatching in Logic Apps with the splitOn property and Azure Functions change feed with Cosmos DB
Example 2 – Concurrency control and singleton patterns in Logic Apps with schema validation
Summary
7
Control Flow Actions and Custom Connectors
Control Flow Actions and Custom Connectors
Logic Apps control flow actions
The workflow expression language and content types
Custom connectors and Cosmos graph databases
Summary
8
Patterns with Azure Integration Services
Patterns with Azure Integration Services
Azure Functions and Logic Apps
Example 1 – The batching or aggregator pattern in Logic Apps
Example 2 – Asynchronous patterns for long-running APIs
Example 3 – Messages with API Management, Event Grid, Logic App, and Azure Functions
Example 4 – Session Management with Logic Apps and Service Bus
Summary
9
B2B/EDI Solutions for Enterprise Integration with Azure Logic Apps
B2B/EDI Solutions for Enterprise Integration with Azure Logic Apps
Enterprise integration pack
B2B scenario
Creating integration accounts
Uploading certificates to Azure Key Vault
Uploading schemas and maps
Creating partners in an integration account
Creating AS2 agreements
Creating an X12 agreement
Creating the ContosoSendOrder Logic App
The Logic Apps B2B solution
Handling EDI batches
B2B disaster recovery
Summary
10
Hybrid Integration, BizTalk Server 2016 and an On-Premises Data Gateway
Hybrid Integration, BizTalk Server 2016 and an On-Premises Data Gateway
Introduction to hybrid integration
Why hybrid integration?
Introduction to the on-premises data gateway
Enabling Hybrid Integration with Microsoft BizTalk Server 2016
The Logic Apps adapter
Summary
11
Intelligence in Integration Using Azure Cognitive Services
Intelligence in Integration Using Azure Cognitive Services
AI
Machine learning and digital transformation
Microsoft and the democratization of AI
The Microsoft AI platform
Intelligence in serverless integration
Case study – ShipAnywhere feedback analysis
Summary
12
DevOps for Azure Integration
DevOps for Azure Integration
Benefits of DevOps
DevOps for integration
ARM templates
Azure Event Grid and DevOps
Azure API Management and DevOps with Git version control
Azure Functions with DevOps
Logic Apps continuous integration and deployment with DevOps
Summary
13
Monitoring for Azure Integration
Monitoring for Azure Integration
Types of monitoring
Different types of monitoring
Sending notifications of issues or events
Benefits of monitoring
Azure integration service monitoring
Azure Service Bus monitoring with Serverless360
Setting up monitoring in Serverless360
Summary
14
Other Books You May Enjoy
Other Books You May Enjoy
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DevOps for Azure Integration

The term DevOps refers to a combination of skills, processes, and product capabilities that enable organizations to achieve the continuous delivery of solutions and services when interacting with end users. DevOps is all about taking the best of software development and IT operations and enabling enterprises to rapidly respond to customer requirements and feedback. Within the DevOps model, development and operations teams are no longer siloed and instead work as a single team to cater to the needs of end users and the business. There are other DevOps models, such as models in which the security and testing teams also merge with the development and operations teams, resulting in a single technology-driven team.

In this chapter, we will cover the following points:

  • Benefits of DevOps
  • DevOps for integration
  • Naming convention for Azure integration services...
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