Fix #31 Services cannot contact with Zipkin server

spring-petclinic-api-gateway/pom.xml

@@ -54,6 +54,10 @@
         </dependency>
 
         <!-- Spring Cloud -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-sleuth-zipkin</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-config</artifactId>

spring-petclinic-customers-service/src/main/java/org/springframework/samples/petclinic/customers/web/OwnerResource.java

@@ -21,6 +21,8 @@ import java.util.List;
 
 import javax.validation.Valid;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.samples.petclinic.customers.model.Owner;
@@ -47,6 +49,8 @@ import org.springframework.web.bind.annotation.RestController;
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 class OwnerResource {
 
+    private static final Logger LOG = LoggerFactory.getLogger(OwnerResource.class);
+
     private final OwnerRepository ownerRepository;
 
     /**
@@ -88,6 +92,7 @@ class OwnerResource {
         ownerModel.setCity(ownerRequest.getCity());
         ownerModel.setAddress(ownerRequest.getAddress());
         ownerModel.setTelephone(ownerRequest.getTelephone());
+        LOG.info("Saving owner {}", ownerModel);
         return ownerRepository.save(ownerModel);
     }
 }

spring-petclinic-customers-service/src/main/java/org/springframework/samples/petclinic/customers/web/PetResource.java

@@ -16,24 +16,15 @@
 package org.springframework.samples.petclinic.customers.web;
 
 import lombok.RequiredArgsConstructor;
-
-import java.util.List;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
-import org.springframework.samples.petclinic.customers.model.Owner;
-import org.springframework.samples.petclinic.customers.model.OwnerRepository;
-import org.springframework.samples.petclinic.customers.model.Pet;
-import org.springframework.samples.petclinic.customers.model.PetRepository;
-import org.springframework.samples.petclinic.customers.model.PetType;
+import org.springframework.samples.petclinic.customers.model.*;
 import org.springframework.samples.petclinic.monitoring.Monitored;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.PutMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.ResponseStatus;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
 
 /**
  * @author Juergen Hoeller
@@ -45,6 +36,8 @@ import org.springframework.web.bind.annotation.RestController;
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 class PetResource {
 
+    private static final Logger LOG = LoggerFactory.getLogger(PetResource.class);
+
     private final PetRepository petRepository;
 
     private final OwnerRepository ownerRepository;
@@ -83,6 +76,7 @@ class PetResource {
         petRepository.findPetTypeById(petRequest.getTypeId())
             .ifPresent(pet::setType);
 
+        LOG.info("Saving pet {}", pet);
         petRepository.save(pet);
     }
 

spring-petclinic-vets-service/pom.xml

@@ -45,6 +45,10 @@
 		</dependency>
 
         <!-- Spring Cloud-->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-sleuth-zipkin</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-config</artifactId>

spring-petclinic-visits-service/src/main/java/org/springframework/samples/petclinic/visits/web/VisitResource.java

@@ -16,21 +16,16 @@
 package org.springframework.samples.petclinic.visits.web;
 
 import lombok.RequiredArgsConstructor;
-
-import java.util.List;
-
-import javax.validation.Valid;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.samples.petclinic.visits.model.Visit;
 import org.springframework.samples.petclinic.visits.model.VisitRepository;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.ResponseStatus;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
 
 /**
  * @author Juergen Hoeller
@@ -43,6 +38,9 @@ import org.springframework.web.bind.annotation.RestController;
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class VisitResource {
 
+    private static final Logger LOG = LoggerFactory.getLogger(VisitResource.class);
+
+
     private final VisitRepository visitRepository;
 
     @PostMapping("owners/*/pets/{petId}/visits")
@@ -52,6 +50,7 @@ public class VisitResource {
         @PathVariable("petId") int petId) {
 
         visit.setPetId(petId);
+        LOG.info("Saving visit {}", visit);
         visitRepository.save(visit);
     }