Improve burnin with regard to drbd8

Allow burnin to use the new drbd8 template (for which case one needs to
disable replacement of disks, burnin does yet support that with drbd8).

The patch also changes do-replace[12] to no-replace[12] as that is what
they actually do.

Reviewed-by: imsnah

tools/burnin

@@ -55,15 +55,19 @@ def ParseOptions():
   parser.add_option("-v", "--verbose",
                     action="store_true", dest="verbose", default=False,
                     help="print command execution messages to stdout")
-  parser.add_option("--do-replace1", dest="do_replace1",
+  parser.add_option("--no-replace1", dest="do_replace1",
                     help="Do disk replacement with the same secondary",
                     action="store_false", default=True)
-  parser.add_option("--do-replace2", dest="do_replace2",
+  parser.add_option("--no-replace2", dest="do_replace2",
                     help="Do disk replacement with a different secondary",
                     action="store_false", default=True)
-  parser.add_option("--do-failover", dest="do_failover",
+  parser.add_option("--no-failover", dest="do_failover",
                     help="Do instance failovers", action="store_false",
                     default=True)
+  parser.add_option("-t", "--disk-template", dest="disk_template",
+                    choices=("remote_raid1", "drbd8"), default="remote_raid1",
+                    help="Template type for network mirroring (remote_raid1"
+                    " or drbd8) [remote_raid1]")
 
   options, args = parser.parse_args()
   if len(args) < 1 or options.os is None:
@@ -111,6 +115,13 @@ def BurninCluster(opts, args):
     return 1
 
   to_remove = []
+  if opts.disk_template == "remote_raid1":
+    disk_template = constants.DT_REMOTE_RAID1
+  elif opts.disk_template == "drbd8":
+    disk_template = constants.DT_DRBD8
+  else:
+    Feedback("Unknown disk template '%s'" % opts.disk_template)
+    return 1
   try:
     idx = 0
     for instance_name in args:
@@ -120,7 +131,7 @@ def BurninCluster(opts, args):
       pnode = nodelist[idx]
       snode = nodelist[next_idx]
       if len(nodelist) > 1:
-        tplate = constants.DT_REMOTE_RAID1
+        tplate = disk_template
       else:
         tplate = constants.DT_PLAIN