添加了一个比较大的改动：使用两个定时线程进行Docker状态的实时检查

bishe-edge-center/src/main/java/top/ninwoo/edgecenter/controller/IndexController.java

@@ -4,6 +4,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import top.ninwoo.edgecenter.service.ClusterService;
+import top.ninwoo.utils.entity.DockerContainer;
 
 import java.util.List;
 
@@ -14,8 +15,9 @@ public class IndexController {
     ClusterService clusterService;
 
     @RequestMapping("/index")
-    public List<String> index() {
-        List<String> containerIds = clusterService.getContainerIds();
+    public List<DockerContainer> index(int flag) {
+
+        List<DockerContainer> containerIds = clusterService.getContainerIds(flag == 0);
         return containerIds;
     }
 }

bishe-edge-center/src/main/java/top/ninwoo/edgecenter/service/ClusterService.java

 package top.ninwoo.edgecenter.service;
 
 import top.ninwoo.edgecenter.entity.ClusterConfig;
+import top.ninwoo.utils.entity.DockerContainer;
 
 import java.util.List;
 import java.util.Set;
 
 public interface ClusterService {
     // 获取容器列表
-    List<String> getContainerIds();
+    List<DockerContainer> getContainerIds();
+
+    List<DockerContainer> getContainerIds(boolean isAll);
+
     // 创建容器组
     long initContainers(ClusterConfig clusterConfig);
     // 获取集群列表

bishe-edge-center/src/main/java/top/ninwoo/edgecenter/service/impl/ClusterServiceImpl.java

 package top.ninwoo.edgecenter.service.impl;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import top.ninwoo.edgecenter.entity.ClusterConfig;
 import top.ninwoo.edgecenter.entity.ContainerDescription;
-import top.ninwoo.edgecenter.scheduler.Scheduler;
 import top.ninwoo.edgecenter.service.ClusterService;
 import top.ninwoo.utils.entity.DockerContainer;
 import top.ninwoo.utils.service.DockerService;
@@ -19,7 +17,7 @@ import java.util.concurrent.ConcurrentHashMap;
  * @description 集群服务类
  */
 @Service
-public class ClusterServiceImpl implements ClusterService, Scheduler {
+public class ClusterServiceImpl implements ClusterService {
     private ConcurrentHashMap<Long, Map<String, Set<String>>> clustersInfo = new ConcurrentHashMap<>();
     @Autowired
     DockerService dockerService;
@@ -27,15 +25,29 @@ public class ClusterServiceImpl implements ClusterService, Scheduler {
     /**
      * 定时更新容器列表
      */
-    @Scheduled(fixedRate = 5000)
+    /*@Scheduled(fixedRate = 5000)
     @Override
     public void update() {
         dockerService.updateContainers();
+    }*/
+
+    @Override
+    public List<DockerContainer> getContainerIds() {
+        return getContainerIds(false);
     }
 
+    /**
+     * 返回容器的id
+     * @param isAll
+     * @return
+     */
     @Override
-    public List<String> getContainerIds() {
-        return dockerService.getDockerIds();
+    public List<DockerContainer> getContainerIds(boolean isAll) {
+        if(isAll) {
+            return dockerService.getAllContainers();
+        } else {
+            return dockerService.getRunningContainers();
+        }
     }
 
     /**

bishe-utils/src/main/java/top/ninwoo/utils/service/ContainerStatus.java

+package top.ninwoo.utils.service;
+
+/**
+ * @Author joliu
+ * @Description
+ * @Date　Create in 下午3:35 2019/10/25
+ */
+public enum ContainerStatus {
+    RUNNING("Running"),STOPPED("Stopped");
+
+    private String status;
+
+    ContainerStatus(String status) {
+        this.status = status;
+    }
+}

bishe-utils/src/main/java/top/ninwoo/utils/service/DockerService.java

 package top.ninwoo.utils.service;
 
 
+import org.springframework.scheduling.annotation.Scheduled;
 import top.ninwoo.utils.entity.DockerContainer;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 public interface DockerService {
-    List<String> getDockerIds();
-    List<String> getDockerIds(boolean isAll);
-    void updateContainers();
-    void updateContainers(boolean flag);
+    /**
+     * 启动一个Docker容器
+     * @param container
+     * @return
+     */
+    DockerContainer runDocker(DockerContainer container);
 
-    void getContainers();
+    /**
+     * 获取容器状态
+     * @param containerId
+     * @return
+     */
+    ContainerStatus getContainerStatus(String containerId);
 
-    Map<String, DockerContainer> getContainers(boolean isfull);
+    List<DockerContainer> getAllContainers();
 
-    DockerContainer runDocker(DockerContainer container);
-    DockerContainer getDockerById(String id);
+    /**
+     * 获取存活的Docker列表
+     * @return
+     */
+    List<DockerContainer> getRunningContainers();
+
+    /**
+     * 获取容器数量
+     * @param isAll 是否包含停止的容器
+     * @return
+     */
+    int getContainersNumber(boolean isAll);
+
+    /**
+     * 通过容器id关闭容器
+     * @param id
+     * @return
+     */
     boolean deleteDockerById(String id);
+
+    /**
+     * 批量关闭docker容器
+     * @param ids
+     * @return
+     */
+    boolean deleteDockerByIds(List<String> ids);
+
+    /**
+     * 更新Docker容器列表
+     * 这是一个定时任务
+     */
+    void addNewContainers();
+
+    /**
+     * 检查map中docker的运行状态
+     * 这是一个定时任务
+     */
+    void delExitedContainers();
+
+    /**
+     * 检查docker容器状态
+     * @param containerId
+     * @return
+     */
+    ContainerStatus checkContainerStatus(String containerId);
+
+    /**
+     * 通过docker容器id获取容器详情
+     * TODO: DockerContainer需要补充一个容器状态
+     * @param id
+     * @return
+     */
+    DockerContainer getDockerById(String id);
+
+    /**
+     * 初始化当前的容器信息
+     */
+    void init();
 }

bishe-utils/src/main/java/top/ninwoo/utils/service/impl/DockerServiceImpl.java

@@ -2,44 +2,32 @@ package top.ninwoo.utils.service.impl;
 
 import com.spotify.docker.client.messages.Container;
 import com.spotify.docker.client.messages.ContainerInfo;
+import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import top.ninwoo.utils.entity.DockerContainer;
+import top.ninwoo.utils.service.ContainerStatus;
 import top.ninwoo.utils.service.DockerService;
 import top.ninwoo.utils.util.DockerUtils;
-import top.ninwoo.utils.util.LinuxCtlUtils;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.locks.ReentrantLock;
 
 @Service
-public class DockerServiceImpl implements DockerService {
-
-    @Autowired
-    private LinuxCtlUtils linuxCtlUtils;
-
+public class DockerServiceImpl implements DockerService, InitializingBean {
     @Autowired
     private DockerUtils dockerUtils;
 
-    // 这里考虑要不要区分正在运行中的容器
-    private ConcurrentHashMap<String, DockerContainer> containersMap = new ConcurrentHashMap<>();
+    // 运行中的Docker
+    private ConcurrentHashMap<String, DockerContainer> runingContainers = new ConcurrentHashMap<>();
+    // 停止的Docker
+    private ConcurrentHashMap<String, DockerContainer> allContainers = new ConcurrentHashMap<>();
 
-    @Override
-    public List<String> getDockerIds() {
-        return getDockerIds(false);
-    }
-    /**
-     * 获取容器Id
-     * @param isAll 是否获取全部的容器id,包含未启动的容器
-     * @return
-     */
-    @Override
-    public List<String> getDockerIds(boolean isAll) {
-        return new ArrayList<String>(containersMap.keySet());
-    }
+    private ReentrantLock lock = new ReentrantLock();
 
     /**
      * 将DockerClient获取的到结果封装成为我们自定义的数据结构
@@ -65,29 +53,6 @@ public class DockerServiceImpl implements DockerService {
         return dockerContainers;
     }
 
-    @Override
-    public void getContainers() {
-        updateContainers(true);
-    }
-
-    /**
-     * @description 更新容器列表
-     * @param isfull true:全量更新
-     * @date 2019-10-20
-     * 修改该服务类为完全无状态的类，容器信息由上层集群服务维护 修改了
-     * @see DockerServiceImpl#updateContainers(boolean)
-     * @see DockerServiceImpl#updateContainers()
-     * @return
-     */
-    @Override
-    public Map<String, DockerContainer> getContainers(boolean isfull) {
-        if(containersMap.isEmpty()) {
-            return dockerUtils.getContainers();
-        } else {
-            // TODO: 先执行增量更新，在返回结果
-            return dockerUtils.getContainers();
-        }
-    }
 
     /**
      * 使用系统命令 docker run -itd 在后台启动一个容器,
@@ -125,21 +90,84 @@ public class DockerServiceImpl implements DockerService {
     }
 
     @Override
-    public void updateContainers() {
-        updateContainers(true);
+    public ContainerStatus getContainerStatus(String containerId) {
+        // 这里查找docker容器状态可能和全量更新产生问题
+        return ContainerStatus.RUNNING;
     }
 
     @Override
-    public void updateContainers(boolean isfull) {
-        if(isfull) {
-            // 清空
-            containersMap.clear();
-            List<Container> containers =
-                    new ArrayList<Container>();
-
-            containersMap.putAll(dockerUtils.getContainers());
-        } else {
-            // TODO: 增量备份
-        }
+    public List<DockerContainer> getRunningContainers() {
+        return new ArrayList<>(runingContainers.values());
+    }
+
+    @Override
+    public int getContainersNumber(boolean isAll) {
+        return isAll ? allContainers.size() : runingContainers.size();
+    }
+
+    @Override
+    public boolean deleteDockerByIds(List<String> ids) {
+        return false;
+    }
+
+    @Override
+    public void init() {
+        runingContainers.clear();
+        allContainers.clear();
+        List<Container> containers =
+                new ArrayList<Container>();
+        runingContainers.putAll(dockerUtils.getContainers(false));
+        allContainers.putAll(dockerUtils.getContainers(true));
+
+    }
+
+
+    @Scheduled(fixedRate = 500)
+    @Override
+    public void addNewContainers() {
+        Map<String, DockerContainer> containers = dockerUtils.getContainers(false);
+        containers.forEach((cid, container) -> {
+            if(runingContainers.containsKey(cid)) {
+                // do nothing
+            } else {
+                // 添加到map中
+                runingContainers.put(cid, container);
+                // 更新allContainers
+                allContainers.put(cid, container);
+            }
+        });
+    }
+
+    /**
+     * 删除Running Map中停止的容器
+     */
+    @Scheduled(fixedRate = 500)
+    @Override
+    public void delExitedContainers() {
+        runingContainers.keySet().forEach(cid -> {
+            DockerContainer dockerById = dockerUtils.getDockerById(cid);
+            if(dockerById == null) {
+                // 容器已经被删除
+                runingContainers.remove(cid);
+                allContainers.remove(cid);
+            } else if(dockerById.getStatus().contains("exited")) {
+                runingContainers.remove(cid);
+            }
+        });
+    }
+
+    @Override
+    public ContainerStatus checkContainerStatus(String containerId) {
+        return null;
+    }
+
+    @Override
+    public List<DockerContainer> getAllContainers() {
+        return new ArrayList<DockerContainer>(allContainers.values());
+    }
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        init();
     }
 }

bishe-utils/src/main/java/top/ninwoo/utils/util/impl/DockerUtilsImpl.java

 package top.ninwoo.utils.util.impl;
 
 import com.spotify.docker.client.DockerClient;
+import com.spotify.docker.client.exceptions.ContainerNotFoundException;
 import com.spotify.docker.client.exceptions.DockerException;
 import com.spotify.docker.client.messages.Container;
 import com.spotify.docker.client.messages.ContainerInfo;
@@ -45,7 +46,7 @@ public class DockerUtilsImpl implements DockerUtils {
                 containers = dockerClient.listContainers(DockerClient.ListContainersParam.withStatusRunning());
             } else {
                 // TODO:这里边还需要在确定
-                containers = dockerClient.listContainers(DockerClient.ListContainersParam.withStatusCreated());
+                containers = dockerClient.listContainers(DockerClient.ListContainersParam.allContainers());
             }
         } catch (DockerException e) {
             e.printStackTrace();
@@ -106,6 +107,8 @@ public class DockerUtilsImpl implements DockerUtils {
         ContainerInfo containerInfo = null;
         try {
             containerInfo = dockerClient.inspectContainer(id);
+        } catch (ContainerNotFoundException e) {
+            return null;
         } catch (DockerException e) {
             e.printStackTrace();
         } catch (InterruptedException e) {

bishe-utils/src/test/java/top/ninwoo/utils/DockerServiceTests.java

@@ -41,12 +41,14 @@ public class DockerServiceTests {
         System.out.println(result);
     }
 
-    @Test
+    /*@Test
     public void testUpdateDockerService() {
-        dockerService.updateContainers();
-        List<String> dockerIds = dockerService.getDockerIds();
-        dockerIds.forEach(d-> System.out.println(d));
-    }
+        dockerService.updateContainersList(true);
+        List<DockerContainer> allContainers = dockerService.getAllContainers();
+        allContainers.forEach(c -> {
+            System.out.println(c.getId() + ":" + c.getStatus());
+        });
+    }*/
 
     @Test
     public void testRunDockerService() {

bishe-utils/src/test/java/top/ninwoo/utils/DockerUtilsTest.java

+package top.ninwoo.utils;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.util.Assert;
+import top.ninwoo.utils.config.DockerConfig;
+import top.ninwoo.utils.entity.DockerContainer;
+import top.ninwoo.utils.util.DockerUtils;
+
+/**
+ * @Author joliu
+ * @Description
+ * @Date　Create in 下午5:54 2019/10/25
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = DockerConfig.class)
+public class DockerUtilsTest {
+    @Autowired
+    DockerUtils dockerUtils;
+
+    @Test
+    public void testGetDockerById() {
+        DockerContainer dockerById = dockerUtils.getDockerById("123123");
+        Assert.isNull(dockerById);
+    }
+}