Merge branch 'feature_cmdb' into 0.7.0

# Conflicts:
#	api/pom.xml
#	api/src/main/java/com/alibaba/nacos/api/exception/NacosException.java
#	client/pom.xml
#	client/src/main/java/com/alibaba/nacos/client/config/impl/HttpSimpleClient.java
#	client/src/main/java/com/alibaba/nacos/client/naming/net/NamingProxy.java
#	common/pom.xml
#	config/pom.xml
#	console/pom.xml
#	core/pom.xml
#	distribution/conf/application.properties
#	distribution/conf/nacos-logback.xml
#	distribution/pom.xml
#	distribution/release-nacos.xml
#	example/pom.xml
#	naming/pom.xml
#	naming/src/main/java/com/alibaba/nacos/naming/web/ApiCommands.java
#	pom.xml
#	test/pom.xml

api/src/main/java/com/alibaba/nacos/api/cmdb/pojo/Entity.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.pojo;
+
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public class Entity {
+
+    private String type;
+    private String name;
+    private Map<String, String> labels;
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Map<String, String> getLabels() {
+        return labels;
+    }
+
+    public void setLabels(Map<String, String> labels) {
+        this.labels = labels;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/cmdb/pojo/EntityEvent.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.pojo;
+
+/**
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public class EntityEvent {
+
+    private EntityEventType type;
+    private String entityName;
+    private String entityType;
+
+    public EntityEventType getType() {
+        return type;
+    }
+
+    public void setType(EntityEventType type) {
+        this.type = type;
+    }
+
+    public String getEntityName() {
+        return entityName;
+    }
+
+    public void setEntityName(String entityName) {
+        this.entityName = entityName;
+    }
+
+    public String getEntityType() {
+        return entityType;
+    }
+
+    public void setEntityType(String entityType) {
+        this.entityType = entityType;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/cmdb/pojo/EntityEventType.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.pojo;
+
+/**
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public enum EntityEventType {
+    /**
+     *
+     */
+    ENTITY_ADD_OR_UPDATE,
+    /**
+     *
+     */
+    ENTITY_REMOVE
+}

api/src/main/java/com/alibaba/nacos/api/cmdb/pojo/Label.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.pojo;
+
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public class Label {
+
+    private String name;
+    private Set<String> values;
+    private String description;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Set<String> getValues() {
+        return values;
+    }
+
+    public void setValues(Set<String> values) {
+        this.values = values;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/cmdb/pojo/PreservedEntityTypes.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.pojo;
+
+/**
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public enum PreservedEntityTypes {
+    /**
+     *
+     */
+    ip,
+    /**
+     *
+     */
+    service
+}

api/src/main/java/com/alibaba/nacos/api/cmdb/spi/CmdbService.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.nacos.api.cmdb.spi;
+
+import com.alibaba.nacos.api.cmdb.pojo.Entity;
+import com.alibaba.nacos.api.cmdb.pojo.EntityEvent;
+import com.alibaba.nacos.api.cmdb.pojo.Label;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Service to visit CMDB store
+ *
+ * @author <a href="mailto:[email protected]">nkorange</a>
+ */
+public interface CmdbService {
+
+    /**
+     * Get all label names stored in CMDB
+     *
+     * @return label name set
+     */
+    Set<String> getLabelNames();
+
+    /**
+     * Get all possible entity types in CMDB
+     *
+     * @return all entity types
+     */
+    Set<String> getEntityTypes();
+
+    /**
+     * Get label info
+     *
+     * @param labelName label name
+     * @return label info
+     */
+    Label getLabel(String labelName);
+
+    /**
+     * Get label value of label name of ip
+     *
+     * @param entityType  entity type
+     * @param entityValue entity value
+     * @param labelName   target label name
+     * @return label value
+     */
+    String getLabelValue(String entityValue, String entityType, String labelName);
+
+    /**
+     * Get all label value of ip
+     *
+     * @param entityType  entity type
+     * @param entityValue entity value
+     * @return all label values
+     */
+    Map<String, String> getLabelValues(String entityValue, String entityType);
+
+    /**
+     * Dump all entities in CMDB
+     *
+     * @return all entities
+     */
+    Map<String, Map<String, Entity>> getAllEntities();
+
+    /**
+     * get label change events
+     *
+     * @param timestamp start time of generated events
+     * @return label events
+     */
+    List<EntityEvent> getEntityEvents(long timestamp);
+
+    /**
+     * Get single entity
+     *
+     * @param entityName name of entity
+     * @param entityType type of entity
+     * @return
+     */
+    Entity getEntity(String entityName, String entityType);
+}

api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java

@@ -20,6 +20,7 @@
 import com.alibaba.nacos.api.naming.pojo.Instance;
 import com.alibaba.nacos.api.naming.pojo.ListView;
 import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
+import com.alibaba.nacos.api.selector.AbstractSelector;
 
 import java.util.List;
 
@@ -186,6 +187,17 @@ public interface NamingService {
      */
     ListView<String> getServicesOfServer(int pageNo, int pageSize) throws NacosException;
 
+    /**
+     * Get all service names from server
+     *
+     * @param pageNo   page index
+     * @param pageSize page size
+     * @param selector selector to filter the resource
+     * @return list of service names
+     * @throws NacosException
+     */
+    ListView<String> getServicesOfServer(int pageNo, int pageSize, AbstractSelector selector) throws NacosException;
+
     /**
      * Get all subscribed services of current client
      *

api/src/main/java/com/alibaba/nacos/api/naming/pojo/Cluster.java

@@ -15,8 +15,6 @@
  */
 package com.alibaba.nacos.api.naming.pojo;
 
-import com.alibaba.nacos.api.common.Constants;
-
 import java.util.HashMap;
 import java.util.Map;
 

api/src/main/java/com/alibaba/nacos/api/naming/pojo/Service.java

@@ -15,6 +15,8 @@
  */
 package com.alibaba.nacos.api.naming.pojo;
 
+import com.alibaba.nacos.api.selector.AbstractSelector;
+
 import java.util.HashMap;
 import java.util.Map;
 
@@ -39,15 +41,20 @@ public class Service {
     private String app;
 
     /**
-     * Service group is meant to classify services into different sets.
+     * Service group is meant to classify services into different sets
      */
     private String group;
 
     /**
-     * Health check mode.
+     * Health check mode
      */
     private String healthCheckMode;
 
+    /**
+     * Selector name of this service
+     */
+    private AbstractSelector selector;
+
     private Map<String, String> metadata = new HashMap<String, String>();
 
     public Service(String name) {
@@ -105,4 +112,12 @@ public void setMetadata(Map<String, String> metadata) {
     public void addMetadata(String key, String value) {
         this.metadata.put(key, value);
     }
+
+    public AbstractSelector getSelector() {
+        return selector;
+    }
+
+    public void setSelector(AbstractSelector selector) {
+        this.selector = selector;
+    }
 }