Add node description to event data

There may be interesting information in the node description.  With
Ia4fc671ecb60581be258346afc23125749ba8f15 we are adding nodepool
metadata to the description field.

Change-Id: I95f87d60959e428d888e77de48e9acca0e34b233

src/main/java/org/jenkinsci/plugins/ZMQEventPublisher/Phase.java

@@ -24,6 +24,7 @@ import hudson.model.ParametersAction;
 import hudson.model.Run;
 import hudson.model.Executor;
 import hudson.model.Computer;
+import hudson.model.Node;
 import hudson.model.TaskListener;
 import jenkins.model.Jenkins;
 
@@ -79,6 +80,10 @@ public enum Phase {
             Computer computer = executor.getOwner();
             if (computer != null) {
                 buildState.setNodeName(computer.getName());
+                Node node = computer.getNode();
+                if (node != null) {
+                    buildState.setNodeDescription(node.getNodeDescription());
+                }
             }
         }
 

src/main/java/org/jenkinsci/plugins/ZMQEventPublisher/model/BuildState.java

@@ -36,6 +36,8 @@ public class BuildState {
 
     private String nodeName;
 
+    private String nodeDescription;
+
     private String hostName;
 
     public int getNumber() {
@@ -94,6 +96,14 @@ public class BuildState {
         this.nodeName = nodeName;
     }
 
+    public String getNodeDescription() {
+        return nodeDescription;
+    }
+
+    public void setNodeDescription(String nodeDescription) {
+        this.nodeDescription = nodeDescription;
+    }
+
     public String getHostName() {
         return hostName;
     }