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"""QA tests for networks.

"""

import qa_config
import qa_tags
import qa_utils

from qa_utils import AssertCommand


def GetNonexistentNetworks(count):
  """Gets network names which shouldn't exist on the cluster.

  @param count: Number of networks to get
  @rtype: integer

  """
  return qa_utils.GetNonexistentEntityNames(count, "networks", "network")


def TestNetworkAddRemove():
  """gnt-network add/remove"""
  (network1, network2) = GetNonexistentNetworks(2)

  # Add some networks of different sizes.
  # Note: Using RFC5737 addresses.
  AssertCommand(["gnt-network", "add", "--network", "192.0.2.0/30", network1])
  AssertCommand(["gnt-network", "add", "--network", "198.51.100.0/24",
                 network2])
  # Try to add a network with an existing name.
  AssertCommand(["gnt-network", "add", "--network", "203.0.133.0/24", network2],
                fail=True)

  AssertCommand(["gnt-network", "remove", network1])
  AssertCommand(["gnt-network", "remove", network2])


def TestNetworkTags():
  """gnt-network tags"""
  (network, ) = GetNonexistentNetworks(1)
  AssertCommand(["gnt-network", "add", "--network", "192.0.2.0/30", network])
  qa_tags.TestNetworkTags(network)
  AssertCommand(["gnt-network", "remove", network])


def TestNetworkConnect():
  """gnt-network connect/disconnect"""
  (group1, ) = qa_utils.GetNonexistentGroups(1)
  (network1, ) = GetNonexistentNetworks(1)

  default_mode = "bridged"
  default_link = "xen-br0"
  nicparams = qa_config.get("default-nicparams")
  if nicparams:
    mode = nicparams.get("mode", default_mode)
    link = nicparams.get("link", default_link)
  else:
    mode = default_mode
    link = default_link

  nicparams = "mode=%s,link=%s" % (mode, link)

  AssertCommand(["gnt-group", "add", group1])
  AssertCommand(["gnt-network", "add", "--network", "192.0.2.0/24", network1])

  AssertCommand(["gnt-network", "connect", "--nic-parameters", nicparams,
                network1, group1])
  AssertCommand(["gnt-network", "disconnect", network1, group1])

  AssertCommand(["gnt-group", "remove", group1])
  AssertCommand(["gnt-network", "remove", network1])