Merge pull request #18 from mklkun/nodes-acq

Improve acquiring nodes in deployment phase

src/main/java/org/activeeon/morphemic/PAGateway.java

@@ -624,6 +624,8 @@ public class PAGateway {
         ScriptTask deployNodeTask = PAFactory.createGroovyScriptTaskFromFile("acquireAWSNode_" + task.getName() + taskNameSuffix,
                 "acquire_node_aws_script.groovy");
 
+        deployNodeTask.setPreScript(PAFactory.createSimpleScriptFromFIle("pre_acquire_node_script.groovy", "groovy"));
+
         Map<String, TaskVariable> variablesMap = new HashMap<>();
         variablesMap.put("NS_name", new TaskVariable("NS_name",
                 deployment.getPaCloud().getNodeSourceNamePrefix() + deployment.getLocationName()));

src/main/resources/pre_acquire_node_script.groovy

+// Connecting to the ResourceManager API
+rmapi.connect()
+
+// Getting NS configuration settings
+def retCode = 0
+def nodeSourceName = variables.get("NS_name")
+def flag = false
+def count = 0
+
+while (!flag) {
+    try {
+        if (rmapi.getNodeSourcePingFrequency(nodeSourceName)) {
+            println " Node source ready !"
+        }
+        flag = true
+    } catch (Exception e) {
+        if (count > 25) {
+            println "NodeSource is still not reachable after " + count + " seconds. Aborting."
+            System.exit(1)
+        }
+        println "NodeSource is not yet reachable, time spent: " + count
+        sleep(5000)
+        count += 5
+    }
+}
+
+// Disconnecting from the ResourceManager API
+rmapi.disconnect()
\ No newline at end of file