Added multiple labels for ECSTaskTemplate

src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSCloud.java

@@ -237,7 +237,14 @@ private ECSTaskTemplate getTemplate(Label label) {
         }
         for (ECSTaskTemplate t : getAllTemplates()) {
             if (label.matches(t.getLabelSet())) {
-                return t;
+                return new ECSTaskTemplate(t.getTemplateName(), label.getName(), t.getAgentContainerName(), t.getTaskDefinitionOverride(),
+                        t.getTaskDefinitionOverride(), t.getImage(), t.getRepositoryCredentials(), t.getLaunchType(), t.getOperatingSystemFamily(),
+                        t.getCpuArchitecture(), t.getDefaultCapacityProvider(), t.getCapacityProviderStrategies(), t.getNetworkMode(), t.getRemoteFSRoot(),
+                        t.getUniqueRemoteFSRoot(), t.getPlatformVersion(), t.getMemory(), t.getMemoryReservation(), t.getCpu(),
+                        t.getEphemeralStorageSizeInGiB(), t.getSubnets(), t.getSecurityGroups(), t.getAssignPublicIp(), t.getPrivileged(),
+                        t.getContainerUser(), t.getKernelCapabilities(), t.getLogDriverOptions(), t.getTags(), t.getEnvironments(),
+                        t.getExtraHosts(), t.getMountPoints(), t.getEfsMountPoints(), t.getPortMappings(), t.getExecutionRole(),
+                        t.getPlacementStrategies(), t.getTaskrole(), t.getInheritFrom(), t.getSharedMemorySize(), t.isEnableExecuteCommand());
             }
         }
         return null;

src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSTaskTemplate.java

@@ -1394,7 +1394,12 @@ public FormValidation doCheckField(@QueryParameter("base") int base, @QueryParam
     }
 
     public Set<LabelAtom> getLabelSet() {
-        return Label.parse(label);
+        Set<LabelAtom> labelSet = new HashSet<>();
+        for(String i : Arrays.asList(label.split(",")))
+        {
+            labelSet.addAll(Label.parse(i));
+        }
+        return labelSet;
     }
 
     public String getDisplayName() {

src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/ECSTaskTemplate/config.jelly

@@ -25,7 +25,7 @@
   -->
 
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
-  <f:entry title="Label" field="label" description="The label used to identify this agent in Jenkins.">
+  <f:entry title="Label" field="label" description="The label(s), separated by comma, used to identify this agent in Jenkins.">
     <f:textbox />
   </f:entry>
   <f:entry title="${%Template Name}" field="templateName" description="The name that will be appended to the ECS cluster name when creating task definitions. Cannot be used with a Task Definition Override.">

src/test/java/com/cloudbees/jenkins/plugins/amazonecs/ECSCloudTest.java

@@ -2,6 +2,7 @@
 
 
 import com.amazonaws.services.ecs.model.TaskDefinition;
+import hudson.model.Label;
 import hudson.model.labels.LabelAtom;
 import hudson.slaves.NodeProvisioner.PlannedNode;
 import static junit.framework.TestCase.assertEquals;
@@ -101,8 +102,8 @@ public void addDynamicTemplateRegistersTemplate() throws Exception {
 
     @Test
     public void provisionByLabelInheritFromUsingListOfLabels() throws Exception {
-        ECSCloud            cloud    = new ECSCloud("mycloud", "", "", "mycluster");
-        ECSTaskTemplate expected = getTaskTemplate("somename","label1 label2 label3");
+        ECSCloud            cloud    = new ECSCloud("myCloud", "", "", "myCluster");
+        ECSTaskTemplate expected = getTaskTemplate("someNme","label1,label2,label3");
 
         List<ECSTaskTemplate> currentTemplates = cloud.getTemplates();
         List<ECSTaskTemplate> newTemplates = new LinkedList<>(currentTemplates);
@@ -111,6 +112,42 @@ public void provisionByLabelInheritFromUsingListOfLabels() throws Exception {
         assertTrue(cloud.canProvision("label2"));
     }
 
+    @Test
+    public void cannotProvisionByLabelInheritFromUsingListOfLabels() throws Exception {
+        ECSCloud            cloud    = new ECSCloud("myCloud", "", "", "myCluster");
+        ECSTaskTemplate expected = getTaskTemplate("someNme","label1,label2");
+
+        List<ECSTaskTemplate> currentTemplates = cloud.getTemplates();
+        List<ECSTaskTemplate> newTemplates = new LinkedList<>(currentTemplates);
+        newTemplates.add(expected);
+        cloud.setTemplates(newTemplates);
+        assertTrue(!cloud.canProvision("label3"));
+    }
+
+    @Test
+    public void provisionAgentByTemplateWithListOfLabels() throws Exception {
+        ECSCloud cloud = new ECSCloud("myCloud", "", "", "mycluster");
+        ECSTaskTemplate expected = getTaskTemplate("someName","label1,label2,label3");
+
+        List<ECSTaskTemplate> currentTemplates = cloud.getTemplates();
+        List<ECSTaskTemplate> newTemplates = new LinkedList<>(currentTemplates);
+        newTemplates.add(expected);
+        cloud.setTemplates(newTemplates);
+        assertTrue(cloud.canProvision(new LabelAtom("label1")));
+    }
+
+    @Test
+    public void cannotProvisionAgentByTemplateWithListOfLabels() throws Exception {
+        ECSCloud cloud = new ECSCloud("myCloud", "", "", "mycluster");
+        ECSTaskTemplate expected = getTaskTemplate("someName","label1,label2");
+
+        List<ECSTaskTemplate> currentTemplates = cloud.getTemplates();
+        List<ECSTaskTemplate> newTemplates = new LinkedList<>(currentTemplates);
+        newTemplates.add(expected);
+        cloud.setTemplates(newTemplates);
+        assertTrue(!cloud.canProvision(new LabelAtom("label3")));
+    }
+
     @Test
     public void removeJunkTemplateProducesNoError() throws Exception {
         ECSService ecsService = mock(ECSService.class);