Add instance related controller to admin service

apollo-adminservice/src/main/java/com/ctrip/framework/apollo/adminservice/controller/InstanceConfigController.java

+package com.ctrip.framework.apollo.adminservice.controller;
+
+import com.ctrip.framework.apollo.biz.entity.Instance;
+import com.ctrip.framework.apollo.biz.entity.InstanceConfig;
+import com.ctrip.framework.apollo.biz.entity.Release;
+import com.ctrip.framework.apollo.biz.service.InstanceService;
+import com.ctrip.framework.apollo.biz.service.ReleaseService;
+import com.ctrip.framework.apollo.common.dto.InstanceConfigDTO;
+import com.ctrip.framework.apollo.common.dto.InstanceDTO;
+import com.ctrip.framework.apollo.common.dto.ReleaseDTO;
+import com.ctrip.framework.apollo.common.exception.NotFoundException;
+import com.ctrip.framework.apollo.common.utils.BeanUtils;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * @author Jason Song(song_s@ctrip.com)
+ */
+@RestController
+@RequestMapping(path = "/instances")
+public class InstanceConfigController {
+  @Autowired
+  private ReleaseService releaseService;
+  @Autowired
+  private InstanceService instanceService;
+
+  @RequestMapping(value = "/by-release", method = RequestMethod.GET)
+  public List<InstanceDTO> getByRelease(@RequestParam("releaseId") long releaseId,
+                                        @RequestParam(value = "withReleaseDetail", defaultValue =
+                                            "false") boolean withReleaseDetail,
+                                        Pageable pageable) {
+    Release release = releaseService.findOne(releaseId);
+    if (release == null) {
+      throw new NotFoundException(String.format("release not found for %s", releaseId));
+    }
+    List<InstanceConfig> instanceConfigs = instanceService.findActiveInstanceConfigsByReleaseKey
+        (release.getReleaseKey(), pageable);
+
+    if (instanceConfigs.isEmpty()) {
+      return Collections.emptyList();
+    }
+
+    Map<Long, List<InstanceConfig>> instanceConfigMap = instanceConfigs.stream().collect(Collectors
+        .groupingBy(InstanceConfig::getInstanceId));
+
+    List<Instance> instances = instanceService.findInstancesByIds(instanceConfigMap.keySet());
+
+    if (instances.isEmpty()) {
+      return Collections.emptyList();
+    }
+
+    return instances.stream().map(transformToInstanceConfigDto).peek(instanceDTO -> {
+      List<InstanceConfig> instanceConfigList = instanceConfigMap.get(instanceDTO.getId());
+      ReleaseDTO releaseDTO = withReleaseDetail ? BeanUtils.transfrom(ReleaseDTO.class, release)
+          : null;
+      instanceDTO.setConfigs(instanceConfigList.stream()
+          .map(instanceConfig -> transformToInstanceConfigDto(instanceConfig, releaseDTO))
+          .collect(Collectors.toList()));
+    }).collect(Collectors.toList());
+  }
+
+  private InstanceConfigDTO transformToInstanceConfigDto(InstanceConfig instanceConfig,
+                                                         ReleaseDTO releaseDTO) {
+    InstanceConfigDTO instanceConfigDTO = new InstanceConfigDTO();
+    instanceConfigDTO.setDataChangeLastModifiedTime(instanceConfig
+        .getDataChangeLastModifiedTime());
+    instanceConfigDTO.setRelease(releaseDTO);
+    return instanceConfigDTO;
+  }
+
+  private static Function<Instance, InstanceDTO> transformToInstanceConfigDto = instance -> {
+    InstanceDTO instanceDTO = new InstanceDTO();
+    instanceDTO.setId(instance.getId());
+    instanceDTO.setAppId(instance.getAppId());
+    instanceDTO.setClusterName(instance.getClusterName());
+    instanceDTO.setDataCenter(instance.getDataCenter());
+    instanceDTO.setIp(instance.getIp());
+    instanceDTO.setDataChangeCreatedTime(instance.getDataChangeCreatedTime());
+
+    return instanceDTO;
+  };
+}

apollo-adminservice/src/test/java/com/ctrip/framework/apollo/adminservice/AllTests.java

 package com.ctrip.framework.apollo.adminservice;
 
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
-import org.junit.runners.Suite.SuiteClasses;
-
 import com.ctrip.framework.apollo.adminservice.aop.NamespaceLockTest;
 import com.ctrip.framework.apollo.adminservice.controller.AppControllerTest;
 import com.ctrip.framework.apollo.adminservice.controller.ControllerExceptionTest;
 import com.ctrip.framework.apollo.adminservice.controller.ControllerIntegrationExceptionTest;
+import com.ctrip.framework.apollo.adminservice.controller.InstanceConfigControllerTest;
 import com.ctrip.framework.apollo.adminservice.controller.ItemSetControllerTest;
 import com.ctrip.framework.apollo.adminservice.controller.ReleaseControllerTest;
 
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import org.junit.runners.Suite.SuiteClasses;
+
 @RunWith(Suite.class)
-@SuiteClasses({AppControllerTest.class, ReleaseControllerTest.class, ItemSetControllerTest.class,
-               ControllerExceptionTest.class, ControllerIntegrationExceptionTest.class, NamespaceLockTest.class})
+@SuiteClasses({
+    AppControllerTest.class, ReleaseControllerTest.class, ItemSetControllerTest.class,
+    ControllerExceptionTest.class, ControllerIntegrationExceptionTest.class,
+    NamespaceLockTest.class, InstanceConfigControllerTest.class
+})
 public class AllTests {
 
 }

apollo-adminservice/src/test/java/com/ctrip/framework/apollo/adminservice/controller/InstanceConfigControllerTest.java

+package com.ctrip.framework.apollo.adminservice.controller;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+
+import com.ctrip.framework.apollo.biz.entity.Instance;
+import com.ctrip.framework.apollo.biz.entity.InstanceConfig;
+import com.ctrip.framework.apollo.biz.entity.Release;
+import com.ctrip.framework.apollo.biz.service.InstanceService;
+import com.ctrip.framework.apollo.biz.service.ReleaseService;
+import com.ctrip.framework.apollo.common.dto.InstanceDTO;
+import com.ctrip.framework.apollo.common.exception.NotFoundException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.data.domain.Pageable;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+/**
+ * @author Jason Song(song_s@ctrip.com)
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class InstanceConfigControllerTest {
+  private InstanceConfigController instanceConfigController;
+
+  @Mock
+  private ReleaseService releaseService;
+
+  @Mock
+  private InstanceService instanceService;
+
+  @Mock
+  private Pageable pageable;
+
+  @Before
+  public void setUp() throws Exception {
+    instanceConfigController = new InstanceConfigController();
+    ReflectionTestUtils.setField(instanceConfigController, "releaseService", releaseService);
+    ReflectionTestUtils.setField(instanceConfigController, "instanceService", instanceService);
+  }
+
+  @Test
+  public void getByRelease() throws Exception {
+    long someReleaseId = 1;
+    long someInstanceId = 1;
+    long anotherInstanceId = 2;
+    String someReleaseKey = "someKey";
+    Release someRelease = new Release();
+    someRelease.setReleaseKey(someReleaseKey);
+    String someAppId = "someAppId";
+    String anotherAppId = "anotherAppId";
+    String someCluster = "someCluster";
+    String someDataCenter = "someDC";
+    String someConfigAppId = "someConfigAppId";
+    String someConfigNamespace = "someNamespace";
+    String someIp = "someIp";
+    boolean withReleaseDetail = true;
+
+    when(releaseService.findOne(someReleaseId)).thenReturn(someRelease);
+
+    InstanceConfig someInstanceConfig = assembleInstanceConfig(someInstanceId, someConfigAppId,
+        someConfigNamespace, someReleaseKey);
+    InstanceConfig anotherInstanceConfig = assembleInstanceConfig(anotherInstanceId,
+        someConfigAppId, someConfigNamespace, someReleaseKey);
+    List<InstanceConfig> instanceConfigs = Lists.newArrayList(someInstanceConfig,
+        anotherInstanceConfig);
+
+    when(instanceService.findActiveInstanceConfigsByReleaseKey(someReleaseKey, pageable))
+        .thenReturn(instanceConfigs);
+
+    Instance someInstance = assembleInstance(someInstanceId, someAppId,
+        someCluster, someDataCenter, someIp);
+    Instance anotherInstance = assembleInstance(anotherInstanceId, anotherAppId,
+        someCluster, someDataCenter, someIp);
+    List<Instance> instances = Lists.newArrayList(someInstance, anotherInstance);
+
+    Set<Long> instanceIds = Sets.newHashSet(someInstanceId, anotherInstanceId);
+    when(instanceService.findInstancesByIds(instanceIds))
+        .thenReturn(instances);
+
+    List<InstanceDTO> result = instanceConfigController.getByRelease(someReleaseId,
+        withReleaseDetail, pageable);
+
+    assertEquals(2, result.size());
+    InstanceDTO someInstanceDto = null;
+    InstanceDTO anotherInstanceDto = null;
+
+    for (InstanceDTO instanceDTO : result) {
+      if (instanceDTO.getId() == someInstanceId) {
+        someInstanceDto = instanceDTO;
+      } else if (instanceDTO.getId() == anotherInstanceId) {
+        anotherInstanceDto = instanceDTO;
+      }
+    }
+
+    verifyInstance(someInstance, someInstanceDto);
+    verifyInstance(anotherInstance, anotherInstanceDto);
+
+    assertEquals(1, someInstanceDto.getConfigs().size());
+    assertEquals(someReleaseKey, someInstanceDto.getConfigs().get(0).getRelease().getReleaseKey());
+    assertEquals(someInstanceConfig.getDataChangeLastModifiedTime(), someInstanceDto.getConfigs()
+        .get(0).getDataChangeLastModifiedTime());
+
+    assertEquals(1, anotherInstanceDto.getConfigs().size());
+    assertEquals(someReleaseKey, anotherInstanceDto.getConfigs().get(0).getRelease().getReleaseKey());
+    assertEquals(anotherInstanceConfig.getDataChangeLastModifiedTime(), anotherInstanceDto.getConfigs()
+        .get(0).getDataChangeLastModifiedTime());
+  }
+
+  @Test(expected = NotFoundException.class)
+  public void testGetByReleaseWhenReleaseIsNotFound() throws Exception {
+    long someReleaseIdNotExists = 1;
+    boolean withReleaseDetail = false;
+
+    when(releaseService.findOne(someReleaseIdNotExists)).thenReturn(null);
+
+    instanceConfigController.getByRelease(someReleaseIdNotExists, withReleaseDetail, pageable);
+  }
+
+  private void verifyInstance(Instance instance, InstanceDTO instanceDTO) {
+    assertEquals(instance.getId(), instanceDTO.getId());
+    assertEquals(instance.getAppId(), instanceDTO.getAppId());
+    assertEquals(instance.getClusterName(), instanceDTO.getClusterName());
+    assertEquals(instance.getDataCenter(), instanceDTO.getDataCenter());
+    assertEquals(instance.getIp(), instanceDTO.getIp());
+    assertEquals(instance.getDataChangeCreatedTime(), instanceDTO.getDataChangeCreatedTime());
+  }
+
+  private Instance assembleInstance(long instanceId, String appId, String clusterName, String
+      dataCenter, String
+                                        ip) {
+    Instance instance = new Instance();
+    instance.setId(instanceId);
+    instance.setAppId(appId);
+    instance.setIp(ip);
+    instance.setClusterName(clusterName);
+    instance.setDataCenter(dataCenter);
+    instance.setDataChangeCreatedTime(new Date());
+
+    return instance;
+  }
+
+  private InstanceConfig assembleInstanceConfig(long instanceId, String configAppId, String
+      configNamespaceName, String releaseKey) {
+    InstanceConfig instanceConfig = new InstanceConfig();
+    instanceConfig.setInstanceId(instanceId);
+    instanceConfig.setConfigAppId(configAppId);
+    instanceConfig.setConfigNamespaceName(configNamespaceName);
+    instanceConfig.setReleaseKey(releaseKey);
+    instanceConfig.setDataChangeLastModifiedTime(new Date());
+    return instanceConfig;
+  }
+}
\ No newline at end of file

apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/repository/InstanceConfigRepository.java

@@ -2,8 +2,16 @@ package com.ctrip.framework.apollo.biz.repository;
 
 import com.ctrip.framework.apollo.biz.entity.InstanceConfig;
 
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.repository.PagingAndSortingRepository;
 
+import java.util.Date;
+import java.util.List;
+
 public interface InstanceConfigRepository extends PagingAndSortingRepository<InstanceConfig, Long> {
-  InstanceConfig findByInstanceIdAndConfigAppIdAndConfigNamespaceName(long instanceId, String configAppId, String configNamespaceName);
+  InstanceConfig findByInstanceIdAndConfigAppIdAndConfigNamespaceName(long instanceId, String
+      configAppId, String configNamespaceName);
+
+  List<InstanceConfig> findByReleaseKeyAndDataChangeLastModifiedTimeAfter(String releaseKey, Date
+      validDate, Pageable pageable);
 }

apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/service/InstanceService.java

 package com.ctrip.framework.apollo.biz.service;
 
 import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
 
 import com.ctrip.framework.apollo.biz.entity.Instance;
 import com.ctrip.framework.apollo.biz.entity.InstanceConfig;
@@ -8,9 +9,16 @@ import com.ctrip.framework.apollo.biz.repository.InstanceConfigRepository;
 import com.ctrip.framework.apollo.biz.repository.InstanceRepository;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
 /**
  * @author Jason Song(song_s@ctrip.com)
  */
@@ -27,6 +35,14 @@ public class InstanceService {
         dataCenter, ip);
   }
 
+  public List<Instance> findInstancesByIds(Set<Long> instanceIds) {
+    Iterable<Instance> instances = instanceRepository.findAll(instanceIds);
+    if (instances == null) {
+      return Collections.emptyList();
+    }
+    return Lists.newArrayList(instances);
+  }
+
   @Transactional
   public Instance createInstance(Instance instance) {
     instance.setId(0); //protection
@@ -40,6 +56,28 @@ public class InstanceService {
         instanceId, configAppId, configNamespaceName);
   }
 
+  public List<InstanceConfig> findActiveInstanceConfigsByReleaseKey(String releaseKey, Pageable
+      pageable) {
+    List<InstanceConfig> instanceConfigs = instanceConfigRepository
+        .findByReleaseKeyAndDataChangeLastModifiedTimeAfter(releaseKey,
+            getValidInstanceConfigDate(), pageable);
+    if (instanceConfigs == null) {
+      return Collections.emptyList();
+    }
+    return instanceConfigs;
+  }
+
+  /**
+   * Currently the instance config is expired by 1 day, add one more hour to avoid possible time
+   * difference
+   */
+  private Date getValidInstanceConfigDate() {
+    Calendar cal = Calendar.getInstance();
+    cal.add(Calendar.DATE, -1);
+    cal.add(Calendar.HOUR, -1);
+    return cal.getTime();
+  }
+
   @Transactional
   public InstanceConfig createInstanceConfig(InstanceConfig instanceConfig) {
     instanceConfig.setId(0); //protection

apollo-biz/src/test/java/com/ctrip/framework/apollo/biz/service/InstanceServiceTest.java

 package com.ctrip.framework.apollo.biz.service;
 
+import com.google.common.collect.Sets;
+
 import com.ctrip.framework.apollo.biz.AbstractIntegrationTest;
 import com.ctrip.framework.apollo.biz.entity.Instance;
 import com.ctrip.framework.apollo.biz.entity.InstanceConfig;
 
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
 import org.springframework.test.annotation.Rollback;
 
-import static org.junit.Assert.*;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
 
 /**
  * @author Jason Song(song_s@ctrip.com)
@@ -19,7 +32,7 @@ public class InstanceServiceTest extends AbstractIntegrationTest {
 
   @Test
   @Rollback
-  public void testInstance() throws Exception {
+  public void testCreateAndFindInstance() throws Exception {
     String someAppId = "someAppId";
     String someClusterName = "someClusterName";
     String someDataCenter = "someDataCenter";
@@ -41,7 +54,29 @@ public class InstanceServiceTest extends AbstractIntegrationTest {
 
   @Test
   @Rollback
-  public void testInstanceConfig() throws Exception {
+  public void testFindInstancesByIds() throws Exception {
+    String someAppId = "someAppId";
+    String someClusterName = "someClusterName";
+    String someDataCenter = "someDataCenter";
+    String someIp = "someIp";
+    String anotherIp = "anotherIp";
+
+    Instance someInstance = instanceService.createInstance(assembleInstance(someAppId,
+        someClusterName, someDataCenter, someIp));
+    Instance anotherInstance = instanceService.createInstance(assembleInstance(someAppId,
+        someClusterName, someDataCenter, anotherIp));
+
+    List<Instance> instances = instanceService.findInstancesByIds(Sets.newHashSet(someInstance
+        .getId(), anotherInstance.getId()));
+
+    Set<String> ips = instances.stream().map(Instance::getIp).collect(Collectors.toSet());
+    assertEquals(2, instances.size());
+    assertEquals(Sets.newHashSet(someIp, anotherIp), ips);
+  }
+
+  @Test
+  @Rollback
+  public void testCreateAndFindInstanceConfig() throws Exception {
     long someInstanceId = 1;
     String someConfigAppId = "someConfigAppId";
     String someConfigNamespaceName = "someConfigNamespaceName";
@@ -73,7 +108,40 @@ public class InstanceServiceTest extends AbstractIntegrationTest {
     assertEquals(anotherReleaseKey, updated.getReleaseKey());
   }
 
-  private Instance assembleInstance(String appId, String clusterName, String dataCenter, String ip) {
+  @Test
+  @Rollback
+  public void testFindActiveInstanceConfigs() throws Exception {
+    long someInstanceId = 1;
+    long anotherInstanceId = 2;
+    String someConfigAppId = "someConfigAppId";
+    String someConfigNamespaceName = "someConfigNamespaceName";
+    String someReleaseKey = "someReleaseKey";
+    Date someValidDate = new Date();
+    Pageable pageable = new PageRequest(0, 10);
+
+    Calendar calendar = Calendar.getInstance();
+    calendar.add(Calendar.DATE, -2);
+    Date someInvalidDate = calendar.getTime();
+
+    InstanceConfig someValidConfig = assembleInstanceConfig(someInstanceId, someConfigAppId,
+        someConfigNamespaceName, someReleaseKey);
+    someValidConfig.setDataChangeCreatedTime(someValidDate);
+    InstanceConfig someInvalidConfig = assembleInstanceConfig(anotherInstanceId, someConfigAppId,
+        someConfigNamespaceName, someReleaseKey);
+    someInvalidConfig.setDataChangeCreatedTime(someInvalidDate);
+
+    instanceService.createInstanceConfig(someValidConfig);
+    instanceService.createInstanceConfig(someInvalidConfig);
+
+    List<InstanceConfig> validInstanceConfigs = instanceService
+        .findActiveInstanceConfigsByReleaseKey(someReleaseKey, pageable);
+
+    assertEquals(1, validInstanceConfigs.size());
+    assertEquals(someInstanceId, validInstanceConfigs.get(0).getInstanceId());
+  }
+
+  private Instance assembleInstance(String appId, String clusterName, String dataCenter, String
+      ip) {
     Instance instance = new Instance();
     instance.setAppId(appId);
     instance.setIp(ip);

apollo-common/src/main/java/com/ctrip/framework/apollo/common/dto/InstanceConfigDTO.java

+package com.ctrip.framework.apollo.common.dto;
+
+import java.util.Date;
+
+/**
+ * @author Jason Song(song_s@ctrip.com)
+ */
+public class InstanceConfigDTO {
+  private ReleaseDTO release;
+  private Date dataChangeLastModifiedTime;
+
+  public ReleaseDTO getRelease() {
+    return release;
+  }
+
+  public void setRelease(ReleaseDTO release) {
+    this.release = release;
+  }
+
+  public Date getDataChangeLastModifiedTime() {
+    return dataChangeLastModifiedTime;
+  }
+
+  public void setDataChangeLastModifiedTime(Date dataChangeLastModifiedTime) {
+    this.dataChangeLastModifiedTime = dataChangeLastModifiedTime;
+  }
+}

apollo-common/src/main/java/com/ctrip/framework/apollo/common/dto/InstanceDTO.java

+package com.ctrip.framework.apollo.common.dto;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author Jason Song(song_s@ctrip.com)
+ */
+public class InstanceDTO {
+  private long id;
+
+  private String appId;
+
+  private String clusterName;
+
+  private String dataCenter;
+
+  private String ip;
+
+  private List<InstanceConfigDTO> configs;
+
+  private Date dataChangeCreatedTime;
+
+  public long getId() {
+    return id;
+  }
+
+  public void setId(long id) {
+    this.id = id;
+  }
+
+  public String getAppId() {
+    return appId;
+  }
+
+  public void setAppId(String appId) {
+    this.appId = appId;
+  }
+
+  public String getClusterName() {
+    return clusterName;
+  }
+
+  public void setClusterName(String clusterName) {
+    this.clusterName = clusterName;
+  }
+
+  public String getDataCenter() {
+    return dataCenter;
+  }
+
+  public void setDataCenter(String dataCenter) {
+    this.dataCenter = dataCenter;
+  }
+
+  public String getIp() {
+    return ip;
+  }
+
+  public void setIp(String ip) {
+    this.ip = ip;
+  }
+
+  public List<InstanceConfigDTO> getConfigs() {
+    return configs;
+  }
+
+  public void setConfigs(List<InstanceConfigDTO> configs) {
+    this.configs = configs;
+  }
+
+  public Date getDataChangeCreatedTime() {
+    return dataChangeCreatedTime;
+  }
+
+  public void setDataChangeCreatedTime(Date dataChangeCreatedTime) {
+    this.dataChangeCreatedTime = dataChangeCreatedTime;
+  }
+}