Added the posibility of skipping the NFS ping test on the rear installation

Also changed the CI to skip this test.

Depends-On: Ibbf7ba3435da8dc9218403df76f0eb86df4374db
Change-Id: Ib6000467f830037c3d9721a3b6ebf06523225f98
(cherry picked from commit 86daa77b37)
(cherry picked from commit f006d01565)

ci/environments/scenario001-standalone.yaml

@@ -195,3 +195,4 @@ parameter_defaults:
     - /dev/loop4
   MultipathdEnable: true
   NovaLibvirtVolumeUseMultipath: true
+  BackupAndRestoreSkipNFSTest: true

deployment/backup-and-restore/rear-baremetal-ansible.yaml

@@ -36,6 +36,12 @@ parameters:
     type: string
     tags:
       - role_specific
+  BackupAndRestoreSkipNFSTest:
+    default: false
+    description: Skip the ping test in case the NFS server is not up
+    type: boolean
+    tags:
+      - role_specific
   BackupAndRestoreNFSStorageFolder:
     default: '/ctl_plane_backups'
     description: NFS storage folder
@@ -102,4 +108,5 @@ outputs:
         tripleo_backup_and_restore_rear_simulate: {get_param: BackupAndRestoreRearSimulate}
         tripleo_backup_and_restore_debug: {get_param: BackupAndRestoreDebug}
         tripleo_backup_and_restore_local_config: {get_param: BackupAndRestoreLocalConfig}
+        tripleo_backup_and_restore_skip_nfs_test: {get_param: BackupAndRestoreSkipNFSTest}