Services Register to Eureka and Call API by Service NAME

MicroServices/.idea/compiler.xml

@@ -10,6 +10,7 @@
         <module name="DiscAndReg" />
         <module name="UserService" />
         <module name="DataBase" />
+        <module name="CloudGateway" />
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>

MicroServices/.idea/encodings.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/CloudGateway/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/CloudGateway/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/DataBase/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/DataBase/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/DiscAndReg/src/main/java" charset="UTF-8" />

MicroServices/CloudGateway/pom.xml

+<?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">
+    <parent>
+        <artifactId>MicroServices</artifactId>
+        <groupId>org.example</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>CloudGateway</artifactId>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file

MicroServices/CloudGateway/src/main/java/org/example/Main.java

+package org.example;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}
\ No newline at end of file

MicroServices/DataBase/src/main/java/org/example/DataBaseApp.java

@@ -13,6 +13,7 @@ public class DataBaseApp
     public static void main(String[] args)
     {
         init();
+        System.out.println("Done Filling");
         SpringApplication.run(DataBaseApp.class, args);
     }
     public static void init()

MicroServices/UserService/src/main/java/org/example/UserService.java

@@ -17,11 +17,15 @@ public class UserService
 {
     @Autowired
     RestTemplate restTemplate;
-    String UserDBURL = "http://localhost:8081/users-db/";
-    String muURL1 = "http://localhost:8082/users/{user id}";
-    String muURL2 = "http://localhost:8082/users/weather/{flight id}";
-    String FlightDBURL = "http://localhost:8081/flights-db/";
-    String WeatherURL = "http://localhost:8083/weather/";
+
+//    String UserDBURL = "http://localhost:8081/users-db/";
+//    String FlightDBURL = "http://localhost:8081/flights-db/";
+//    String WeatherURL = "http://localhost:8083/weather/";
+//
+
+    String UserDBURL = "http://database-service/users-db/";
+    String FlightDBURL = "http://database-service/flights-db/";
+    String WeatherURL = "http://weather-service/weather/";
 
     @RequestMapping("/{userID}")
     public List<Flight> getFlights(@PathVariable("userID") String userID)
@@ -30,7 +34,7 @@ public class UserService
         if (user == null) return new ArrayList<>();
         System.out.println("Welcome : " + user.getName());
         List<Flight> ans = new ArrayList<>();
-        System.out.println("Ans size is " + user.getFlights().size());
+       /// System.out.println("Ans size is " + user.getFlights().size());
 
         for (String flightID : user.getFlights())
         {
@@ -44,7 +48,6 @@ public class UserService
     @RequestMapping("/weather/{flightID}")
     public Weather getWeather(@PathVariable("flightID") String flightID)
     {
-        System.out.println("Getting Weather Req");
         Flight flight = restTemplate.getForObject(FlightDBURL+flightID , Flight.class);
         if (flight.getDestination().isEmpty() ) return new Weather();
 

MicroServices/UserService/src/main/java/org/example/UserServiceApp.java

@@ -3,6 +3,7 @@ package org.example;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.client.loadbalancer.LoadBalanced;
 import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
@@ -15,7 +16,10 @@ public class UserServiceApp
     {
         SpringApplication.run(UserServiceApp.class, args);
     }
+
+
     @Bean
+    @LoadBalanced
     public RestTemplate getRestTemplate()
     {
         return new RestTemplate();

MicroServices/WeatherService/src/main/java/org/example/WeatherService.java

@@ -2,6 +2,7 @@ package org.example;
 
 import org.codehaus.jettison.json.JSONException;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -16,21 +17,28 @@ public class WeatherService
 {
     @Autowired
     RestTemplate restTemplate;
+    /*@Value("${api.key}")
+    String myAPIKey;*/
+
     String myAPIKey = "57afea8fc6e142f29f2115632242604";
-    String prefURL = "http://api.weatherapi.com/v1/current.json?key="+myAPIKey + "&q=";
+    String prefURL = "http://api.weatherapi.com/v1/current.json?key="+ myAPIKey + "&q=";
     String sufURL = "&aqi=yes";
     @RequestMapping("/{city}")
     public Weather getWeather(@PathVariable("city") String city) throws IOException {
+        System.out.println("My Api = " + myAPIKey);
         if (city.isEmpty())
         {
+            System.out.println("City is Empty");
             return new Weather();
         }
         Weather weather = new Weather();
         try
         {
             weather = new Weather(prefURL + city + sufURL);
+
         } catch (JSONException e)
         {
+            System.out.println("EERRRERERER");
             //log
         }
         return weather;

MicroServices/WeatherService/src/main/java/org/example/WeatherServiceApp.java

@@ -3,6 +3,7 @@ package org.example;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.client.loadbalancer.LoadBalanced;
 import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
@@ -15,7 +16,9 @@ public class WeatherServiceApp
         SpringApplication.run(WeatherServiceApp.class, args);
     }
 
+    //@LoadBalanced
     @Bean
+    @LoadBalanced
     public RestTemplate getRestTemplate()
     {
         return new RestTemplate();

MicroServices/WeatherService/src/main/resources/application.properties

 server.port=8083
 spring.application.name=weather-service
+spring.main.allow-bean-definition-overriding=true
 eureka.client.serviceUrl.defaultZone= ${EUREKA_URL:http://localhost:8761/eureka/}
+api.key=57afea8fc6e142f29f2115632242604
\ No newline at end of file

MicroServices/WeatherService/target/classes/application.properties

 server.port=8083
 spring.application.name=weather-service
+spring.main.allow-bean-definition-overriding=true
 eureka.client.serviceUrl.defaultZone= ${EUREKA_URL:http://localhost:8761/eureka/}
+api.key=57afea8fc6e142f29f2115632242604
\ No newline at end of file

MicroServices/pom.xml

@@ -13,6 +13,7 @@
         <module>WeatherService</module>
         <module>DataBase</module>
         <module>DiscAndReg</module>
+        <module>CloudGateway</module>
     </modules>
 
     <properties>