Revision 856c67e1

b/lib/ssconf.py
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#
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#
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# Copyright (C) 2006, 2007 Google Inc.
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# Copyright (C) 2006, 2007, 2008 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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from ganeti import errors
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from ganeti import constants
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from ganeti import utils
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from ganeti import serializer
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class SimpleStore:
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                    uid=0, gid=0, mode=0400)
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class SimpleConfigReader:
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  """Simple class to read configuration file.
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  """
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  def __init__(self, file_name=constants.CLUSTER_CONF_FILE):
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    """Initializes this class.
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    @type file_name: string
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    @param file_name: Configuration file path
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    """
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    self._file_name = file_name
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    self._config_data = serializer.Load(utils.ReadFile(file_name))
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    # TODO: Error handling
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  def GetClusterName(self):
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    return self._config_data["cluster"]["cluster_name"]
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  def GetHostKey(self):
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    return self._config_data["cluster"]["rsahostkeypub"]
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  def GetMasterNode(self):
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    return self._config_data["cluster"]["master_node"]
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  def GetMasterIP(self):
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    return self._config_data["cluster"]["master_ip"]
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  def GetMasterNetdev(self):
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    return self._config_data["cluster"]["master_netdev"]
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  def GetFileStorageDir(self):
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    return self._config_data["cluster"]["file_storage_dir"]
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  def GetHypervisorType(self):
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    return self._config_data["cluster"]["hypervisor"]
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  def GetNodeList(self):
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    return self._config_data["nodes"].keys()
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class SimpleConfigWriter(SimpleConfigReader):
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  """Simple class to write configuration file.
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  """
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  def SetMasterNode(self, node):
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    """Change master node.
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    """
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    self._config_data["cluster"]["master_node"] = node
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  def Save(self):
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    """Writes configuration file.
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    Warning: Doesn't take care of locking or synchronizing with other
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    processes.
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    """
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    utils.WriteFile(self._file_name,
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                    data=serializer.Dump(self._config_data),
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                    mode=0600)
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def GetMasterAndMyself(ss=None):
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  """Get the master node and my own hostname.
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Also available in: Unified diff