enable parallel job execution

With the use of C3IaaS, resource contention in the main OpenShift project will
be dramatically reduced. This allows jobs to run in paralle, increasing throughput
and reducing lag time for feedback on changes.

openshift/integration/koji/pipelines/templates/mbs-build-template.yaml

@@ -221,7 +221,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial"
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     source:
       git:

openshift/integration/koji/pipelines/templates/mbs-build.Jenkinsfile

@@ -42,7 +42,6 @@ pipeline {
     timestamps()
     timeout(time: 120, unit: 'MINUTES')
     buildDiscarder(logRotator(numToKeepStr: '10'))
-    disableConcurrentBuilds()
     skipDefaultCheckout()
   }
   environment {

openshift/integration/koji/pipelines/templates/mbs-greenwave-trigger.Jenkinsfile

@@ -1,7 +1,6 @@
 // Use scripted syntax because CIBuildTrigger currently doesn't support the declarative syntax
 properties([
   buildDiscarder(logRotator(numToKeepStr: '10')),
-  disableConcurrentBuilds(),
   pipelineTriggers([
     // example: https://github.com/jenkinsci/jms-messaging-plugin/blob/9b9387c3a52f037ba0d019c2ebcf2a2796fc6397/src/test/java/com/redhat/jenkins/plugins/ci/integration/AmqMessagingPluginIntegrationTest.java
     [$class: 'CIBuildTrigger',

openshift/integration/koji/pipelines/templates/mbs-greenwave-trigger.yaml

@@ -72,7 +72,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial"
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     source:
       git:

openshift/integration/koji/pipelines/templates/mbs-image-promotion-template.yaml

@@ -85,7 +85,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial" # FIXME: Parallel is supported, but we have limited quota in UpShift.
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     source:
       git:

openshift/integration/koji/pipelines/templates/mbs-image-promotion.Jenkinsfile

@@ -39,7 +39,6 @@ pipeline {
     timestamps()
     timeout(time: 30, unit: 'MINUTES')
     buildDiscarder(logRotator(numToKeepStr: '10'))
-    disableConcurrentBuilds()
     skipDefaultCheckout()
   }
   environment {

openshift/integration/koji/pipelines/templates/mbs-integration-test-template.yaml

@@ -99,7 +99,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial" # FIXME: Parallel is supported, but we have limited quota in UpShift.
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     source:
       git:

openshift/integration/koji/pipelines/templates/mbs-integration-test.Jenkinsfile

@@ -36,7 +36,6 @@ pipeline {
     timestamps()
     timeout(time: 60, unit: 'MINUTES')
     buildDiscarder(logRotator(numToKeepStr: '10'))
-    disableConcurrentBuilds()
     skipDefaultCheckout()
   }
   environment {

openshift/integration/koji/pipelines/templates/mbs-polling-pagure.yaml

@@ -83,7 +83,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial"
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     strategy:
       type: JenkinsPipeline
@@ -127,7 +127,6 @@ objects:
               timestamps()
               timeout(time: 60, unit: 'MINUTES')
               buildDiscarder(logRotator(numToKeepStr: '10'))
-              disableConcurrentBuilds()
               skipDefaultCheckout()
             }
             environment {

openshift/integration/koji/pipelines/templates/mbs-repotracker-trigger.Jenkinsfile

@@ -1,7 +1,6 @@
 // Use scripted syntax because CIBuildTrigger currently doesn't support the declarative syntax
 properties([
   buildDiscarder(logRotator(numToKeepStr: '10')),
-  disableConcurrentBuilds(),
   pipelineTriggers([
     // example: https://github.com/jenkinsci/jms-messaging-plugin/blob/9b9387c3a52f037ba0d019c2ebcf2a2796fc6397/src/test/java/com/redhat/jenkins/plugins/ci/integration/AmqMessagingPluginIntegrationTest.java
     [$class: 'CIBuildTrigger',

openshift/integration/koji/pipelines/templates/mbs-repotracker-trigger.yaml

@@ -94,7 +94,7 @@ objects:
     labels:
       app: "${NAME}"
   spec:
-    runPolicy: "Serial"
+    runPolicy: "Parallel"
     completionDeadlineSeconds: 1800
     source:
       git: