Introduced server discovery task

2 files changed, 66 insertions, 1 deletions

diff --git a/com.gluster.storage.management.server/src/applicationContext.xml b/com.gluster.storage.management.server/src/applicationContext.xml
index 4167b5cd..90566c7f 100644
--- a/com.gluster.storage.management.server/src/applicationContext.xml
+++ b/com.gluster.storage.management.server/src/applicationContext.xml
@@ -1,8 +1,22 @@
 
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+	xmlns:task="http://www.springframework.org/schema/task"
 	xsi:schemaLocation="
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">
+   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
+   http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd">
 	<context:component-scan base-package="com.gluster.storage.management.server" />
+	<task:scheduler id="taskScheduler" />
+	<task:executor id="taskExecutor" pool-size="1" />
+	<task:annotation-driven executor="taskExecutor"
+		scheduler="taskScheduler" />
+	
+	<task:scheduled-tasks>
+		<task:scheduled ref="serverDiscoveryTask" method="discoverServers" fixed-delay="60000"/>
+	</task:scheduled-tasks>
+	
+	<bean id="environment" class="java.lang.String">
+        <constructor-arg value="aws"/>
+    </bean>
 </beans>
\ No newline at end of file
diff --git a/com.gluster.storage.management.server/src/com/gluster/storage/management/server/tasks/ServerDiscoveryTask.java b/com.gluster.storage.management.server/src/com/gluster/storage/management/server/tasks/ServerDiscoveryTask.java
new file mode 100644
index 00000000..6bc25e81
--- /dev/null
+++ b/com.gluster.storage.management.server/src/com/gluster/storage/management/server/tasks/ServerDiscoveryTask.java
@@ -0,0 +1,51 @@
+/**
+ * ServerDiscoveryTask.java
+ *
+ * Copyright (c) 2011 Gluster, Inc. <http://www.gluster.com>
+ * This file is part of Gluster Management Console.
+ *
+ * Gluster Management Console is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Gluster Management Console is distributed in the hope that it will be useful, 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+package com.gluster.storage.management.server.tasks;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**
+ * Task for auto-discovery of servers eligible to be added to the Gluster cluster. This task runs periodically and keeps
+ * the discovered server list at a common place. The server resource can then pick it and send to client whenever
+ * demanded.
+ */
+@Component
+public class ServerDiscoveryTask {
+	private static final String ENV_AWS = "aws";
+	private static final String ENV_VMWARE = "vmware";
+	private static final String ENV_PHYCAL = "physical";
+
+	@Autowired
+	private String environment;
+
+	public void discoverServers() {
+		System.out.println("Starting discovery in [" + environment + "]");
+
+		/**
+		 * TODO: Flow should be as follows <br>
+		 * 1) Get the discovery policy specific for the environment <br>
+		 * 2) Execute discovery to get list of auto-discovered server <br>
+		 * 3) Probe each one of them to fetch server details <br>
+		 * 4) Store the details in a common place which can be read by the server resource <br>
+		 */
+	}
+}
\ No newline at end of file