Step08

03.microservices/limits-service/src/main/java/com/in28minutes/microservices/limitsservice/Configuration.java

@@ -0,0 +1,29 @@
+package com.in28minutes.microservices.limitsservice;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@ConfigurationProperties("limits-service")
+public class Configuration {
+
+	private int minimum;
+	private int maximum;
+
+	public void setMinimum(int minimum) {
+		this.minimum = minimum;
+	}
+
+	public void setMaximum(int maximum) {
+		this.maximum = maximum;
+	}
+
+	public int getMinimum() {
+		return minimum;
+	}
+
+	public int getMaximum() {
+		return maximum;
+	}
+
+}

03.microservices/limits-service/src/main/java/com/in28minutes/microservices/limitsservice/LimitsConfigurationController.java

@@ -0,0 +1,21 @@
+package com.in28minutes.microservices.limitsservice;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.in28minutes.microservices.limitsservice.bean.LimitConfiguration;
+
+@RestController
+public class LimitsConfigurationController {
+
+	@Autowired
+	private Configuration configuration;
+
+	@GetMapping("/limits")
+	public LimitConfiguration retrieveLimitsFromConfigurations() {
+		return new LimitConfiguration(configuration.getMaximum(), 
+				configuration.getMinimum());
+	}
+
+}

03.microservices/limits-service/src/main/java/com/in28minutes/microservices/limitsservice/LimitsServiceApplication.java

@@ -5,7 +5,6 @@
 
 @SpringBootApplication
 public class LimitsServiceApplication {
-
 	public static void main(String[] args) {
 		SpringApplication.run(LimitsServiceApplication.class, args);
 	}

03.microservices/limits-service/src/main/java/com/in28minutes/microservices/limitsservice/bean/LimitConfiguration.java

@@ -0,0 +1,25 @@
+package com.in28minutes.microservices.limitsservice.bean;
+
+public class LimitConfiguration {
+	private int maximum;
+	private int minimum;
+
+	protected LimitConfiguration() {
+
+	}
+
+	public LimitConfiguration(int maximum, int minimum) {
+		super();
+		this.maximum = maximum;
+		this.minimum = minimum;
+	}
+
+	public int getMaximum() {
+		return maximum;
+	}
+
+	public int getMinimum() {
+		return minimum;
+	}
+
+}

03.microservices/limits-service/src/main/resources/application.properties

@@ -0,0 +1,4 @@
+spring.application.name=limits-service
+
+limits-service.minimum=9
+limits-service.maximum=999

03.microservices/notes.md

@@ -43,31 +43,153 @@
 
 ### Diagrams
 
+- http://viz-js.com/
 - http://dreampuf.github.io/GraphvizOnline/
 
 ```
+
+
+MicroserviceCommunication
+~~~~~~~~~~~~~~~~~~~~~~~~~
+digraph architecture {
+  rankdir=TB;
+{rank=same; CurrencyCalculationService, CurrencyExchangeService, LimitsService};
+Configuration[shape=cylinder]
+Database[shape=cylinder]
+LimitsService, CurrencyCalculationService, CurrencyExchangeService[shape=component]
+
+  CurrencyCalculationService -> CurrencyExchangeService -> LimitsService;
+  
+  CurrencyExchangeService->Database;
+  LimitsService->Configuration;
+
+}
+
+Microservices-Environments
+~~~~~~~~~~~~~~~~~~~~~~~~~~~`
 digraph architecture {
   rankdir=LR;
 
 node[shape=record]
+LimitsService, CurrencyCalculationService, CurrencyExchangeService[shape=component]
 
-  subgraph Consumer {
-      Consumer[shape=plaintext] -> CurrencyCalculationService -> CurrencyExchangeService;
-      {rank=same; CurrencyCalculationService,instance1,instance2,instance3};
-  }
-  
+  CurrencyCalculationService -> CurrencyExchangeService -> LimitsService
 
   subgraph CurrencyCalculationService {
-      {rank=same; CurrencyCalculationService,instance1,instance2,instance3};
+      {rank=same; CurrencyCalculationService,CCDEV,CCQA,CCSTAGE, CCPROD};
   }
-  
-  
-  
+ 
   subgraph CurrencyExchangeService {
       CurrencyExchangeService;
-      {rank=same; CurrencyExchangeService,instanceA,instanceB};
+      {rank=same; CurrencyExchangeService,CEDEV,CEQA, CESTAGE, CEPROD};
   }
+  
+  subgraph LimitsService {
+      CurrencyExchangeService;
+      {rank=same; LimitsService,LSDEV,LSQA, LSSTAGE, LSPROD};
+  }
+ 
+}
+
+
+SpringCloudConfigServer
+#######################
+digraph architecture {
+rankdir = TB;
+node[shape=component]
+Git[shape=cylinder]
+{rank=same; CurrencyCalculationService, CurrencyExchangeService, LimitsService};
+CurrencyExchangeService -> SpringCloudConfigServer;
+CurrencyCalculationService -> SpringCloudConfigServer;
+LimitsService -> SpringCloudConfigServer
+SpringCloudConfigServer -> Git
+
+}
+
+EUREKANAMINGSERVER
+#######################
+digraph architecture {
+rankdir = TB;
+node[shape=component]
+{rank=same; CurrencyCalculationService, CurrencyExchangeService, LimitsService};
+CurrencyExchangeService -> EurekaNamingServer;
+CurrencyCalculationService -> EurekaNamingServer;
+LimitsService -> EurekaNamingServer
+}
+
+RibbonClientSideLoadBalancing
+#######################
+digraph architecture {
+rankdir = TB;
+node[shape=component]
+Ribbon[shape=underline]
+
+{rank=same; CurrencyExchangeService1, CurrencyExchangeService2, CurrencyExchangeService3};
+{rank=same; Ribbon, NamingServer };
+Ribbon -> CurrencyExchangeService1
+Ribbon -> CurrencyExchangeService2
+Ribbon -> CurrencyExchangeService3
+CurrencyCalculationService -> Ribbon
+Ribbon -> NamingServer
+
+}
+
+ZipkinDistributedTracingServer
+###############################
+digraph architecture {
+rankdir = TB;
+node[shape=component]
+Database[shape=cylinder]
+RabbitMQ[shape=underline]
+{rank=same; CurrencyCalculationService, CurrencyExchangeService, LimitsService};
+CurrencyExchangeService -> RabbitMQ
+CurrencyCalculationService -> RabbitMQ;
+LimitsService -> RabbitMQ
+RabbitMQ -> ZipkinDistributedTracingServer
+ZipkinDistributedTracingServer -> Database
+
+}
+
+CurrencyExchangeMicroserviceDeployment
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~``
+digraph architecture {
+rankdir = TB;
+node[shape=record]
+{rank=same; DEV, QA, STAGE, PROD};
+
+DEV -> DEV1
+
+QA -> QA1
+QA -> QA2
+
+STAGE -> STAGE1
+
+PROD -> PROD1
+PROD -> PROD2
+PROD -> PROD3
+PROD -> PROD4
+
 }
+
+CurrencyConversionMicroserviceDeployment
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~``
+digraph architecture {
+rankdir = TB;
+node[shape=record]
+{rank=same; DEV, QA, STAGE, PROD};
+
+DEV -> DEV1
+
+QA -> QA1
+QA -> QA2
+
+STAGE -> STAGE1
+
+PROD -> PROD1
+
+}
+
+
 ```
 
 ## Complete Code Example

03.microservices/spring-cloud-config-server/pom.xml

@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.in28minutes.microservices</groupId>
+	<artifactId>spring-cloud-config-server</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>spring-cloud-config-server</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.0.0.M3</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+		<spring-cloud.version>Finchley.M2</spring-cloud.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-config-server</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.springframework.cloud</groupId>
+				<artifactId>spring-cloud-dependencies</artifactId>
+				<version>${spring-cloud.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+	<repositories>
+		<repository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+		<repository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</pluginRepository>
+		<pluginRepository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+
+
+</project>

03.microservices/spring-cloud-config-server/src/main/java/com/in28minutes/microservices/springcloudconfigserver/SpringCloudConfigServerApplication.java

@@ -0,0 +1,14 @@
+package com.in28minutes.microservices.springcloudconfigserver;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.config.server.EnableConfigServer;
+
+@EnableConfigServer
+@SpringBootApplication
+public class SpringCloudConfigServerApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringCloudConfigServerApplication.class, args);
+	}
+}

03.microservices/spring-cloud-config-server/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+spring.application.name=spring-cloud-config-server
+server.port=8888
+spring.cloud.config.server.git.uri=file:///in28Minutes/git/spring-micro-services/03.microservices/git-localconfig-repo