Merge pull request #78 from lucasponce/HWKALERTS-68

HWKALERTS-68

hawkular-alerts-actions-api/pom.xml

@@ -33,20 +33,14 @@
 
   <dependencies>
 
+    <!-- Hawkular Alerts dependencies -->
     <dependency>
       <groupId>org.hawkular.alerts</groupId>
       <artifactId>hawkular-alerts-api</artifactId>
       <version>${project.version}</version>
     </dependency>
 
-    <!-- The hawkular platform will provide these -->
-    <dependency>
-      <groupId>org.hawkular.bus</groupId>
-      <artifactId>hawkular-bus-mdb</artifactId>
-      <version>${version.org.hawkular.bus}</version>
-      <scope>provided</scope>
-    </dependency>
-
+    <!-- Wildfly dependencies -->
     <dependency>
       <groupId>org.jboss.resteasy</groupId>
       <artifactId>resteasy-jackson2-provider</artifactId>
@@ -56,6 +50,7 @@
     <dependency>
       <groupId>org.jboss.logging</groupId>
       <artifactId>jboss-logging</artifactId>
+      <scope>provided</scope>
     </dependency>
 
     <dependency>
@@ -70,6 +65,7 @@
       <scope>provided</scope>
     </dependency>
 
+    <!-- Tests -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>

hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/ActionPlugin.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2015 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * 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 org.hawkular.alerts.actions.api;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Define an alerts actions plugin implementation
+ * Plugin must have a unique name that will be used at registration phase
+ * Plugin must implement ActionPluginListener interface
+ *
+ * @author Lucas Ponce
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ActionPlugin {
+    String name();
+}

hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/ActionPluginListener.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2015 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * 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 org.hawkular.alerts.actions.api;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A listener that will initialize the plugin and process incoming messages.
+ *
+ * @author Lucas Ponce
+ */
+public interface ActionPluginListener {
+
+    /**
+     * The alerts engine registers the plugins available with their properties.
+     * This method is invoked at plugin registration time.
+     *
+     * @return a list of properties available on this plugin
+     */
+    Set<String> getProperties();
+
+    /**
+     * The alerts engine registers the plugins available with their default values.
+     * This method is invoked at plugin registration time.
+     * Default values can be modified by the alerts engine.
+     *
+     *
+     * @return a list of default values for properties available on this plugin
+     */
+    Map<String, String> getDefaultProperties();
+
+    /**
+     * This method is invoked by the ActionService to process a new action generated by the engine.
+     *
+     * @param msg PluginMessage received to be processed by the plugin
+     * @throws Exception any problem
+     */
+    void process(PluginMessage msg) throws Exception;
+}

hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/log/MsgLogger.java → hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/MsgLogger.java

@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.hawkular.alerts.actions.api.log;
+package org.hawkular.alerts.actions.api;
 
 import org.jboss.logging.BasicLogger;
 import org.jboss.logging.Logger;

hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/PluginMessage.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2015 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * 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 org.hawkular.alerts.actions.api;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import java.util.Map;
+import org.hawkular.alerts.api.model.action.Action;
+
+/**
+ * A message sent to the plugin from the alerts engine
+ * It has the alert payload as well as action properties
+ *
+ * @author Lucas Ponce
+ */
+public interface PluginMessage {
+
+    @JsonInclude
+    Action getAction();
+
+    @JsonInclude
+    Map<String, String> getProperties();
+}

hawkular-alerts-actions-api/src/main/java/org/hawkular/alerts/actions/api/PluginOperationMessage.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * 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 org.hawkular.alerts.actions.api;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A message sent to the alerts engine from the plugin
+ * It defines a code of operation and payloads
+ *
+ * It used for plugin registration but additional operations should be supported
+ *
+ * @author Lucas Ponce
+ */
+public interface PluginOperationMessage {
+
+    enum Operation {
+        REGISTRATION
+    }
+
+    @JsonInclude
+    Operation getOperation();
+
+    @JsonInclude
+    String getActionPlugin();
+
+    @JsonInclude
+    Set<String> getPropertyNames();
+
+    @JsonInclude
+    Map<String, String> getDefaultProperties();
+}