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"""Monitoring related QA tests.

"""

from ganeti import _autoconf

from ganeti import constants

import qa_config

from qa_utils import AssertCommand

from qa_instance_utils import CreateInstanceByDiskTemplate, \

                              RemoveInstance

MON_COLLECTOR = _autoconf.PKGLIBDIR + "/mon-collector"

def TestInstStatusCollector():

  """Test the Xen instance status collector.

  """

  enabled_hypervisors = qa_config.GetEnabledHypervisors()

  is_xen = (constants.HT_XEN_PVM in enabled_hypervisors or

            constants.HT_XEN_HVM in enabled_hypervisors)

  fail = not is_xen

  # Execute on master on an empty cluster

  AssertCommand([MON_COLLECTOR, "inst-status-xen"], fail=fail)

  #Execute on cluster with instances

  node1 = qa_config.AcquireNode()

  node2 = qa_config.AcquireNode()

  template = qa_config.GetDefaultDiskTemplate()

  instance = CreateInstanceByDiskTemplate([node1, node2], template)

  AssertCommand([MON_COLLECTOR, "inst-status-xen"], node=node1, fail=fail)

  AssertCommand([MON_COLLECTOR, "inst-status-xen"], node=node2, fail=fail)

  RemoveInstance(instance)

  node1.Release()

  node2.Release()