wrap koji fetch with node

Author: andrlos

testHeadlessComponents.jenkinsfile

@@ -71,26 +71,28 @@ timestamps {
     library 'jenkins-ci-websphere'
 
     // Perform Koji checkout FIRST on built-in node (for polling to work)
-    stage('koji-fetch') {
-        checkout([$class: 'KojiSCM',
-            kojiBuildProviders: [[
-                $class: 'KojiBuildProvider',
-                topUrl:      params.KOJI_TOP_URLS,
-                downloadUrl: params.KOJI_DOWNLOAD_URLS
-            ]],
-            kojiXmlRpcApi: [
-                $class: 'RealKojiXmlRpcApi',
-                packageName:           params.KOJI_PACKAGE_NAME,
-                arch:                  params.KOJI_PACKAGE_ARCH,                 // may be comma-separated per plugin docs [3](https://docs.pagure.org/koji/image_build/)
-                tag:                   params.KOJI_TAG,
-                subpackageDenylist:    params.KOJI_SUBPACKAGE_DENYLIST,
-                subpackageAllowlist:   params.KOJI_SUBPACKAGE_ALLOWLIST
-            ],
-            downloadDir:        params.KOJI_DOWNLOAD_DIR,
-            cleanDownloadDir:   params.KOJI_CLEAN_DESTINATION,
-            dirPerNvr:          params.KOJI_CREATE_SUBDIR_PER_NVR,
-            maxPreviousBuilds:  params.KOJI_MAX_PREV_BUILDS as Integer
-        ])
+    node('built-in') {
+        stage('koji-fetch') {
+            checkout([$class: 'KojiSCM',
+                kojiBuildProviders: [[
+                    $class: 'KojiBuildProvider',
+                    topUrl:      params.KOJI_TOP_URLS,
+                    downloadUrl: params.KOJI_DOWNLOAD_URLS
+                ]],
+                kojiXmlRpcApi: [
+                    $class: 'RealKojiXmlRpcApi',
+                    packageName:           params.KOJI_PACKAGE_NAME,
+                    arch:                  params.KOJI_PACKAGE_ARCH,                 // may be comma-separated per plugin docs [3](https://docs.pagure.org/koji/image_build/)
+                    tag:                   params.KOJI_TAG,
+                    subpackageDenylist:    params.KOJI_SUBPACKAGE_DENYLIST,
+                    subpackageAllowlist:   params.KOJI_SUBPACKAGE_ALLOWLIST
+                ],
+                downloadDir:        params.KOJI_DOWNLOAD_DIR,
+                cleanDownloadDir:   params.KOJI_CLEAN_DESTINATION,
+                dirPerNvr:          params.KOJI_CREATE_SUBDIR_PER_NVR,
+                maxPreviousBuilds:  params.KOJI_MAX_PREV_BUILDS as Integer
+            ])
+        }
     }
 
     // THEN check if we should skip (after polling has occurred)