Prefix nextflow labels with nextflow.io prefix [ci fast]

Signed-off-by: Paolo Di Tommaso <paolo.ditommaso@gmail.com>

Author: pditommaso

modules/nextflow/src/main/groovy/nextflow/k8s/K8sTaskHandler.groovy

@@ -275,11 +275,11 @@ class K8sTaskHandler extends TaskHandler implements FusionAwareTask {
         final resLabels = task.config.getResourceLabels()
         if( resLabels )
             resLabels.putAll(resLabels)
-        result.app = 'nextflow'
-        result.runName = getRunName()
-        result.taskName = task.getName()
-        result.processName = task.getProcessor().getName()
-        result.sessionId = "uuid-${executor.getSession().uniqueId}" as String
+        result.'nextflow.io/app' = 'nextflow'
+        result.'nextflow.io/runName' = getRunName()
+        result.'nextflow.io/taskName' = task.getName()
+        result.'nextflow.io/processName' = task.getProcessor().getName()
+        result.'nextflow.io/sessionId' = "uuid-${executor.getSession().uniqueId}" as String
         return result
     }
 

modules/nextflow/src/test/groovy/nextflow/k8s/K8sTaskHandlerTest.groovy

@@ -806,11 +806,13 @@ class K8sTaskHandlerTest extends Specification {
 
         labels.app == 'nextflow'
         labels.foo == 'bar'
-        labels.x == 'hello_world'    
-        labels.processName == 'hello-proc'
-        labels.taskName ==  'hello-world-1'
-        labels.sessionId instanceof String 
-        labels.sessionId == "uuid-${uuid.toString()}".toString()
+        labels.x == 'hello_world'
+        and:
+        labels.'nextflow.io/app' == 'nextflow'
+        labels.'nextflow.io/processName' == 'hello-proc'
+        labels.'nextflow.io/taskName' ==  'hello-world-1'
+        labels.'nextflow.io/sessionId' instanceof String
+        labels.'nextflow.io/sessionId' == "uuid-${uuid.toString()}".toString()
     }
 
     def 'should delete pod if complete' () {