Microservices with Azure电子书

Title Page

Copyright

Microservices with Azure

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

Microservices – Getting to Know the Buzzword

What are Microservices?

Microservices hosting platform

The Microservice advantage

Fault tolerance

Technology-agnostic

Development agility

Heterogeneous deployment

Manageability

Reusability

The SOA principle

Issues with SOA

The Microservices solution

Inter-Microservice communication

Communication through user interface

Sharing common code

Composite user interface for the web

Thin backend for rich clients

Synchronous communication

Asynchronous communication

Orchestrated communication

Shared data

Architecture of Microservices-based systems

Conway's law

Summary

Microsoft Azure Platform and Services Primer

PaaS for Microservices

Abstract infrastructure challenges

Simplified application lifecycle management

Simplifying development

Microsoft Azure – the choice of a hosting platform

Summary

Understanding Azure Service Fabric

The Service Fabric advantage

Highly scalable

Support for partitioning

Rolling updates

State redundancy

High-density deployment

Automatic fault tolerance

Heterogeneous hosting platforms

Technology agnostic

Centralized management

Service Fabric as an orchestrator

Orchestration as a Service

Is a cluster resource manager similar to an Azure load balancer?

Architecture of cluster resource manager

Architecture of Service Fabric

Transport Subsystem

Federation Subsystem

Reliability Subsystem

Management Subsystem

Hosting subsystem

Communication subsystem

Testability Subsystem

Deconstructing Service Fabric

Infrastructure model

Cluster

Node

System services

Naming service

Image store service

Upgrade service

Failover manager service

Cluster manager service

Service placement

Application model

Programming model

Guest Executables

Reliable Services

Reliable Actors

Creating a cluster on Azure

Basics

Cluster configuration

Security

Summary

Viewing your cluster status

Service Fabric Explorer

Summary view

Cluster Map

Fault domains

Upgrade domains

Viewing applications and services

Cluster nodes

Actions

System

Preparing your system

Summary

Hands-on with Service Fabric – Guest Executables

Service Fabric discovery and communication

Service protocols

Service discovery

Connections from applications external to Service Fabric

Configuring ports and protocols

Configuring the service manifest

Configuring the custom endpoint

Configuring the Azure load balancer

Configuring the health check

Built-in communication API

Deploying a Guest Executable

Understanding the manifests

Package structure

Packaging Guest Executables using Visual Studio

Manually packaging a Guest Executable

Creating the directory structure

Adding code and configuration

Updating service manifest

Updating the application manifest

Deployment

Deploying a Guest Container

Deploying Windows Container

Container image deployment and activation

Resource governance

Container port to host port mapping

Container-to-container discovery and communication

Configuring and setting environment variables

Deploying a Linux container

Summary

Hands on with Service Fabric – Reliable Services

Exploring the Service Fabric Explorer

Application Type

Application instance

Service type

Partition

Replica

Stateless Reliable Services

Stateless service architecture

Stateless service lifecycle

Scaling stateless services

Stateless frontend and stateless middle-tier

Stateless frontend and stateful middle-tier

Reliable Services communication

Exploring the application model

Stateful service

Stateful service architecture

Reliable Collections

Up and down counter application

Stateful service lifecycle

Service partitioning

Service replicas

Summary

Reliable Actors

Actor model

What is an Actor?

Actors in Service Fabric

Actor lifetime

Saving state

Distribution and failover

Actor communication

The Actor proxy

Concurrency

Reentrancy

Asynchronous drivers

Timers

Actor reminders

Actor events

Your first Reliable Actors application

Summary

Microservices Architecture Patterns Motivation

Creating an architecture

Defining the solution boundaries

Creating the solution structure

Component design

Classification of architectural patterns

Optimization or non-functional patterns

Operational patterns

Implementation or functional patterns

Picking up the right architecture pattern

Context

Forces

Complementing patterns

Applying a pattern

Structural variation

Behavioral variation

Internal variation

Domain dependent variation

Summary

Microservices Architectural Patterns

Architectural patterns

Service proxy

Problem

Solution

Considerations

Related patterns

Use cases

Service Façade \ API Gateway

Problem

Solution

Considerations

Related patterns

Use cases

Reliable Data Store

Problem

Solution

Considerations

Related patterns

Use cases

Cluster Orchestrator

Problem

Solution

Considerations

Related patterns

Use cases

Auto-scaling

Problem

Solution

Considerations

Related patterns

Use cases

Partitioning

Problem

Solution

Considerations

Related patterns

Use cases

Centralized Diagnostics Service

Problem

Solution

Considerations

Related patterns

Use cases

High Density Deployment

Problem

Solution

Considerations

Related patterns

Use cases

API Gateway

Problem

Solution

Considerations

Related patterns

Use cases

Latency Optimized Load Balancing

Problem

Solution

Considerations

Related patterns

Use cases

Queue Driven Decomposing Strategy

Problem

Solution

Considerations

Related patterns

Use cases

Circuit Breaker

Problem

Solution

Considerations

Related patterns

Use cases

Message Broker for Communication

Problem

Solution

Considerations

Related patterns

Use cases

Compensating Transaction

Problem

Solution

Considerations

Related patterns

Use cases

Rate Limiter

Problem

Solution

Considerations

Related patterns

Use cases

Sagas

Problem

Solution

Considerations

Related patterns

Use cases

Master Data Management

Problem

Solution

Considerations

Related patterns

Use cases

CQRS – Command Query Responsibility Segregation

Problem

Solution

Microservices in CQRS

Advantages

Considerations

Related patterns

Use cases

Event Sourcing

Problem

Solution

Considerations

Related patterns

Use cases

Remindable Actors

Problem

Solution

Considerations

Related patterns

Use cases

Managed Actors

Problem

Solution

Considerations

Related patterns

Use cases

Summary

Securing and Managing Your Microservices

Securing the communication channels

Inter-node communication

Client to node security

Certificate security

Azure Active Directory security

Publishing an application to a secured cluster

Managing Service Fabric clusters with Windows PowerShell

Prerequisites

Deploying Service Fabric applications

Upgrading Service Fabric applications

Removing Service Fabric applications

Summary

Diagnostics and Monitoring

Health entities

Health state

Health policies

Cluster health policy

Application health policy

Service type health policy

Health evaluation

Health reporting

Centralized logging

Collecting logs

Diagnostic extension

Deploying the Diagnostics extension

Summary

Continuous Integration and Continuous Deployment

Continuous Integration

Continuous Delivery

Deploying Service Fabric application on a standalone cluster

Deploying the application

Summary

Serverless Microservices

Before committing to Nanoservices

Building Nanoservices with Azure Functions

Function app templates

Timer function apps

Data processing function apps

Webhook and API function apps

Summary