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作者：empty 页数：655 出版社：empty

《Spring_Cloud_FinchleySR1》介绍

Spring Cloud provides tools for developers to quickly build some of the common patternsin distributed systems(e.g.configuration management， service discovery， circuitbreakers， intelligent routing， micro-proxy， control bus) .Coordination of distributedsystems leads to boilerplate patterns， and using Spring Cloud developers can quicklystandup services and applications that implement those patterns.They will work well inany distributed environment， including the developer'sown laptop， bare metal datacentres， and managed platforms such as Cloud Foundry.Version：Finchley.SR 1

1.FeaturesSpring Cloud focuses on providing good out of box experience for typical use cases andexten sibi ity mechanism to cover others.Part I.Cloud Native ApplicationsCloud Native is a style of application development that encourages easy adoption ofbestpractices in the areas of continuous delivery and value-driven development.Arelated discipline is that of building 12-factor Applications， in which developmentpractices are aligned with delivery and operations goals—for instance， by usingdeclarative programming and management and monitoring.Spring Cloud facilitatesthese styles of development in a number of specific ways.The starting point is a set offeatures to which all components in a distributed system need easy access.Many of those features are covered by Spring Boot， on which Spring Cloud builds.Somemore features are delivered by Spring Cloud as two libraries：Spring Cloud Context andSpring Cloud Commons.Spring Cloud Context provides u tities and special services forthe ApplicationContext of a Spring Cloud application(bootstrap context， encryption，refresh scope， and environment endpoints) .Spring Cloud Commons is a set ofabstractions and common classes used in different Spring Cloud implementations(suchas Spring Cloud Netflix and Spring Cloud Consul) .If you get an exception due to I legal key size and you use Sun's JDK， you need toinstall the Java Cryptography Extension(JCE) Unlimited Strength Jurisdiction PolicyFiles.See the following links for more information：Extract the files into the JDK/jr eib/security folder for whichever version of JRE/JDKx 64/x 86 you use.2.Spring Cloud Context：ApplicationContext ServicesSpring Boot has an opinionated view of howto build an application with Spring.Forinstance， it has conventional locations for common configuration files and has endpointsfor common management and monitoring tasks.Spring Cloud builds on top of that andadds a few features that probably all components in a system would use or occasionallyneed，

2.1 The Bootstrap ApplicationContextA Spring Cloud application operates by creating a bootstrap context， which is a parentcontext for the main application.It is responsible for loading configuration propertiesfrom the external sources and for decrypting properties in the local external configurationfiles.The two contexts share an Environment， which is the source of external propertiesfor any Spring application.By default， bootstrap properties(not bootstrap.properties but properties that are loaded during the bootstrap phase)are added with high precedence， so they can not be overridden by local configuration.The bootstrap context uses a different convention for locating external configuration thanthe main applicationcontext.Instead of application.yml(or.properties) ， you canuse bootstrap.yml， keeping the external configuration for bootstrap and main contextnicely separate.The following listing shows an example：bootstrap.yml.

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《Spring_Cloud_FinchleySR1》目录

目录

Spring Clud

1.Features.

Part I.Clud Native Applicatins.

Part I.Spring Clud Cnfi.

2.Spring Clud Cntext：ApplicatinCntext Service.

2.1 The Btstrap ApplicatinCntext

2.2 ApplicatinCntext Hierarchies

2.3 Changing the Lcatin f Btstrap Prperties.

2.4 verriding the Values f Remte Prperties.

2.5 Custmizing the Btstrap Cnfigu rati.

2.6 Custmizing the Btstrap Prperty Surces.

2.7 Lgging Cnfiguratin.

2.8 Envirnment Changes.

2.9 Refresh Scpe.

2.10 Encryptin and Decryptin.

2.11 Endpints

3.Spring Clud Cmmns：Cmmn Abstractins.

3.1@Enable Discvery Client.

3.2 Service Registry.

3.6 Spring Web Flux WebClient as a LadBalancer Clien.

13.2 Prpagating the Security Cntext r Using Spring Scpes.

3.1.1 Health Indicatr.

3.9.1 Feature types

3.9.2 Declaring features.

10.8.1 Health Indicatr.

3.2.1 Service Registry Aut-Registratin

3.2.2 Service Registry Actuatr Endpint.

3.3 Spring Rest Template as a LadBalancer Client.

3.4 Spring WebClient as a LadBalancer Client

3.4.1Re trying Failed Requests

3.5 Multiple Rest Template bjects

3.7 Ignre Netwrk Interfaces.

3.8 HTTPClient Factries

3.9 Enabled Features

4.QuickStart.

4.1 ClientSide Usage

5.Spring Clud Cnfig Server.

5.1 Envirnment Repsitry.

5.1.1Git Backend

5.1.2 Versin Cntrl Backend Filesystem Use.

5.1.3 FileSystem Backend.

5.1.4Vault Backend.

5.1.5 Accessing Backends Thrugh a Prxy

5.2 Health Indicatr.

5.1.6 Sharing Cnfiguratin With All Applicatins

5.1.7JDBC Backend.

5.1.8 Cmpsite Envirnment Repsitries.

5.1.9 Prperty verrides.

5.3 Security

5.4 Encryptin and Decryptin1.

5.5Key Management.

5.6 Creating a KeyStre fr Testing

5.7 Using Multiple Keys and Key Rtatin.

5.8 Serving Encrypted Prperties

6.Serving Alternative Frmats.

7.Serving PlainText

8.Embedding the Cnfig Server.

9.Push Ntificatins and Spring Clud Bu.

10.Spring Clud Cnfig Client

10.1 Cnfig First Btstrap

10.2 Discvery First Btstrap.

10.3 Cnfig Client Fail Fast.

10.4 Cnfig Client Retry.

10.5 Lcating Remte Cnfiguratin Resurces.

10.6 Specifying Multiple Urls fr the Cnfig Serve.

10.7 Cnfiguring Read Timeuts.

10.8 Security

Part II.Spring Clud Netflix

10.8.2 Prviding A Custm Rest Template.

10.8.3Vault.

10.9NestedKeysInVault

11.Service Discvery：Eureka Clients.

11.1Hw t Include Eureka Client

11.2 Registering with Eureka

11.3 Authenticating with the Eureka Server

11.4 Status Page and Health Indicatr.

11.5 Registering a Secure Applicatin.

11.6 Eureka's Health Checks.

11.7 Eureka Metadata fr Instances and Clients.

11.7.1 Using Eureka n Clud Fundry

11.7.2UsingEurekanAWS

11.8 Using the Eureka Client.

11.9 Alternatives t the Native Netflix Eureka Client

11.7.3 Changing the Eureka Instance ID

11.8.1 Eureka Client withut Jersey.

11.10WhyIsItsSlw t Register a Service?.

11.11Znes.

12.Service Discvery：Eureka Serve.

12.1Hw t Include Eureka Server.

12.2HwtRuna Eureka Server

12.3 High Availability， Znes and Regin.

12.4 Standalne Mde

12.5Peer Awareness

12.6 When t Prefer IPAddress.

12.7 Securing The Eureka Server

13.Circuit Breaker：Hystrix Clients.

13.1Hw t Include Hystrix

13.3 Health Indicatr.

13.4Hystrix Metrics Stream.

14.Circuit Breaker：Hystrix Dashbard

15.Hystrix Timeuts And Ribbn Clients.

15.1Hw t Include the Hystrix Dashbard.

15.2 Turbine.

16.ClientSide LadBalancer：Ribbn.

16.3 Custmizing the Default fr All Ribbn Clients.

15.2.1 Clusters Endpint.

15.3 Turbine Stream.

16.1Hw t Include Ribbn.

16.2 Custmizing the Ribbn Client

26.5.1 Durability

27.5.2 Reactive Surces.

16.4 Custmizing the Ribbn Client by Setting Prperties.

16.5 Using Ribbn with Eureka.

16.6 Example：Hwt Use Ribbn Withut Eur ek.

16.7 Example：Disable Eureka Use in Ribbn.

16.8 Using the Ribbn API Directly.

16.9 Caching f Ribbn Cnfiguratin.

16.10Hw t Cnfigure Hystrix ThreadPl.

16.11Hw t Prvide a Key t Ribbn'sIR ul.

17.External Cnfiguratin：Arch a i us

18.Ruter and Filter：Zu ul.

18.1HwtIncludeZuul.

18.2EmbeddedZuul Reverse Prxy.

18.3Zuul HttpClient

18.4 Ckies and Sensitive Headers.

18.5lgnred Headers，

18.6 Management Endpint.

18.6.1 Rutes Endpint.

18.6.2 Filters Endpint

18.7 Strangulatin Patterns and Lcal Frwards

18.8 Uplading Files thrugh Zu u.

18.9 QueryString Encding.

18.10PlainEmbeddedZuul.

18.11DisableZuul Filters

18.12 Prviding Hystrix Fallbacks Fr Rutes.

18.13Zuul Timeuts

18.14Rewriing the Lcatin header

18.15 Metrics

18.16Zuul Develper Guide.

18.16.1TheZuul Servlet.

18.16.2Zuul Request Cntext.

18.16.3@Enable zu ul Prxy vs.@enable zu ul Server

18.16.8ZuulEager ApplicatinCntext Lading.

23.1 Creating a Sample Applicatin by Using Spring Initial i zr.

23.2 Imprting the Prject int Yu rIDE

23.3 Adding a Message Handler， Building， and Running.

24.2.1 Bth Actuatr and Web Dependencies Are Nw ptinal.

24.2.2 Cntent-type Negtiatin Imprvements

24.3 Ntable Deprecatin s.

24.3.1Java Serializatin(Java Native and K ry)

24.3.2 Deprecated Classes and Methds.

26.Main Cncepts.

26.1 Applicatin Mdel.

26.1.1FatJAR

26.3 Persistent Publish-Subscribe Supprt.

26.6 Partitining Supprt

27.1 Destinatin Binders._

27.2 Destinatin Bindings.

27.3.1 Spring Integratin Supprt

27.3.2 Using@Stream Listener Anntatin.

27.4 Errr Handling.

18.16.4@Enable Zu ul Server Filters.

18.16.5@Enable Zu ul Prxy Filters.

18.16.6CustmZuul Filter Examples.

18.16.7HwZuul Errrs Wrk.

19.Plyglt supprt with Sidecar

20.Retrying Failed Requests.

20.1 Back ff Plicies.

20.2 Cnfiguratin.

20.2.1Zuul.

21.HTTP Clients

Part IV.Spring Clud pen Feign.

22.Declarative REST Client：Feign.

22.1Hw t Include Feign.

22.2 verriding Feign Defaults

22.3 Creating Feign Clients Manually.1.

22.4FeignHystrix Supprt

22.5FeignHystrix Fallbacks.

22.6Feign and@Primary.

22.7Feign Inheritance Supprt.

22.8Feign request/respnse cmpressin.

22.9Feign lgging

Part V.Spring Clud Stream.

23.QuickStart.

24.What's New in 2.0?

24.1 New Features and Cmpnents.

24.2 Ntable Enhancements.

25.Intrducing Spring Clud Stream

26.2 The Binder Abstractin

26.4 Cnsumer Grups.

26.5 Cnsumer Types.

27.Prgramming Mdel

27.3 Prducing and Cnsuming Messages.

27.3.3 Using@Stream Listener fr Cntent-based ruting.

27.3.4 Using Plled Cnsumers.

27.4.1 Applicatin Errr Handling.

27.4.2 System Errr Handling

27.4.3Retry Template.

27.5 Reactive Prgramming Supprt

27.5.1 Reactr-based Handlers.

28.1 Prducers and Cnsumers.

28.2BinderSPI

28.3 Binder Detectin.

28.3.1 Classpath Detectin.

28.4 Multiple Binders n the Classpath

28.5 Cnnecting t Multiple Systems.

28.6 Binding visualizatin and cntrl

28.7 Binder Cnfiguratin Prperties

29.Cnfiguratin ptins

29.1 Binding Service Prperties.

29.2 Binding Prperties.

31.1.1Schema Registry Client Prperties

29.2.1 Cmmn Binding Prperties.

29.2.2 Cnsumer Prperties.

29.2.3 Prducer Prperties

29.3 Using Dynamically Bund Destinatins.

30.CntentType Negtiatin.

30.1 Mechanics

30.1.1 CntentType versus Argument Type.

30.1.2Mssage Cnverters

30.2 Prvided Message Cnverters

30.3 User-defined Message Cnverters.

31.Schema Evlutin Supprt.

31.1 Schema Registry Client

31.2Avr Schema Registry Client Message Cnverters

31.2.1Avr Schema Registry Message Cnverter Prperties.

31.3ApacheAvr Message Cnverters

31.4 Cnverters with Schema Supprt.

31.5 Schema Registry Server

31.5.1 Schema Registry Server APL

31.5.2 Using Cnfluent'sSchema Registry.

31.6 Schema Registratin and Reslutin

38.3.2 Time Windw prperties：

31.6.1 Schema Registratin Prcess(Serializatin) .

31.6.2 Schema Reslutin Prcess(Deserializatin.

32.Inter-Applicatin Cmmunicatin

32.1 Cnnecting Multiple Applicatin Instances.

32.2 Instance Index and Instance Cunt.

32.3 Partitining.

33.Testing.

33.1 Disabling the Test Binder Autcnfiguratin.

34.Health Indicatr.

37.Apache Kafka Binder.

37.3.1Kafka Binder Prperties

32.3.1 Cnfiguring utput Bindings fr Partitining.

32.3.2 Cnfiguring Input Bindings fr Partitining.

35.Metrics Emitter.

36.Samples.

36.1 Deplying Stream Applicatins n Clud Fundry.

Part VI.Binder Implementatins.

37.1 Usage

37.2ApacheKafka Binder verview.

37.3 Cnfiguratin ptins

Part VII.Spring Clud Bu.

37.3.2Kafka Cnsumer Prperties.

37.3.3Kafka Prducer Prperties.

37.3.4 Usage examples.

37.4 Errr Channels

37.5Kafka Metrics.

37.6Dead-Letter Tpic Prcessing.

37.7 Partitining with the Kafka Binder

38.Apache Kafka Streams Binder

38.1 Usage

38.2Kafka Streams Binder verview

38.2.1 Streams DSL

38.3 Cnfiguratin ptins

38.3.1Kafka Streams Prperties

38.4 Multiple Input Bindings.

38.5 Multiple utput Bindings(aka Branching) .

38.4.1 Multiple Input Bindings as a Sink

38.4.2 Multiple Input Bindings as a Prcess.

38.6 Message Cnversin

38.6.1 utbund serializatin.

38.7.1 Handling Deserializatin Exceptins

38.6.2 Inbund Deserializatin.

38.7 Errr Handling

38.8 Interactive Queries

39.3.3 Rabbit Prducer Prperties

38.7.2 Handling Nn-Deserializatin Exceptin.

38.9 Accessing the underlying Kafka Streams bject

39.Rabbit MQ Binder.

39.1 Usage

39.2RabbitMQ Binder verview.

39.3 Cnfiguratin ptins

39.3.1RabbitMQ Binder Prperties

39.3.2RabbitMQ Cnsumer Prperties.

39.4RetryWiththeRabbitMQ Binder.

39.7 Partitining with the Rabbit MQ Bin de.

39.4.1 Putting it All Tgether.

39.5 Errr Channels

39.6Dead-Letter Queue Prcessing.

39.6.1Nn-Partitined Destinatins.

39.6.2 Partitined Destinatins.

40.QuickStart.

41.Bus Endpints.

41.1Bus Refresh Endpint

41.2BusEnv Endpint.

42.Addressing an Instance

43.Addressing All Instances f a Service.

44.Service ID Must Be Unique.

45.Custmizing the Message Brker.

46.Tracing Bus Events

47.Bradcasting Yur wn Events

47.1 Registering events in custm packages.

Part VIII.Spring Clud Sleuth

48.Intrductin.

48.1 Terminlgy.

48.2 Purpse.

48.2.1 Distributed Tracing with Zip kin.

48.2.2 Visualizing errrs.

48.2.3 Distributed Tracing with Brave.

48.2.4 Live examples

48.2.5Lg crrelatin.

48.2.6 Prpagating Span Cntext.

48.3.1 nly Sleuth(lg crrelatin) .

50.1.1T racing.

50.1.2 Lcal Tracing.

52.1.1 Prefixed fields

52.1.2 Extracting a Prpagated Cntext

52.1.4 Implementing Prpagatin.

58.4.1 Custm extractr.

58.4.2 Reslving Expressins fr a Value

62.5.2 Handler Interceptr.

62.6.4 Travers n.

66.4.1 Using Ribbn.

48.3 Adding Sleuth t the Prject.

48.3.2SleuthwithZipkinviaHTTP

49.Additinal Resurces.

48.3.3SleuthwithZipkin ver Rabbit MQ r Kafka

50.Features

50.1 Intrductin t Brave

50.1.3 Custmizing Spans

52.1.3SharingspanIDs between Client and Server.

62.3.2 Manual Cmmand setting.

62.5.3Async Servlet supprt.

50.1.4 Implicitly Lking up the Current Spa.

50.1.5RPCt racing.

51.Sampling

51.1 Declarative sampling

51.2 Custm sampling

51.3 Sampling in Spring Clud Sleuth.

52.Prpagatin.

52.1 Prpagating extrafields

53.Current Tracing Cmpnent

54.Current Span.

54.1 Setting a span in scpe manually.

55.Instrumentatin.

56.Span lifecycle.

56.1 Creating and finishing spans

56.2 Cntinuing Spans.

56.3 Creating a Span with an explicit Parent.

57.Naming spans.

57.1@Span Name An nt at in.

57.2 tString() methd.

58.Managing Spans with Anntatins.

58.1 Ratinale

58.2 Creating New Spans

58.3 Cntinuing Spans

58.4 Advanced Tag Setting.

58.4.3 Using the tString() methd

59.Custmizatins.

59.1HTTP.

59.2T racing Filter.

59.3 Custm service name

59.4 Custmizatin f Reprted Span.

59.5Hst Lcatr.

60.Sending Spans t Zip kin

61.Zip kin Stream Span