Class Defaults
source code
Class used to manipulate ClusterShell defaults.
The following attributes may be read at any time and also changed
programmatically, for most of them **before** ClusterShell objects are
initialized (like Task):
* stderr (boolean; default is ``False``) * stdout_msgtree (boolean;
default is ``True``) * stderr_msgtree (boolean; default is ``True``) *
engine (string; default is ``'auto'``) * port_qlimit (integer; default is
``100``) * local_workername (string; default is ``'exec'``) *
distant_workername (string; default is ``'ssh'``) * debug (boolean;
default is ``False``) * print_debug (function; default is internal) *
fanout (integer; default is ``64``) * grooming_delay (float; default is
``0.25``) * connect_timeout (float; default is ``10``) * command_timeout
(float; default is ``0``)
Example of use:
>>> from ClusterShell.Defaults import DEFAULTS
>>> from ClusterShell.Task import task_self
>>> # Change default distant worker to rsh (WorkerRsh)
... DEFAULTS.distant_workername = 'rsh'
>>> task = task_self()
>>> task.run("uname -r", nodes="cs[01-03]")
<ClusterShell.Worker.Rsh.WorkerRsh object at 0x1f4a410>
>>> list((str(msg), nodes) for msg, nodes in task.iter_buffers())
[('3.10.0-229.7.2.el7.x86_64', ['cs02', 'cs01', 'cs03'])]
The library default values of all of the above attributes may be
changed using the defaults.conf configuration file, except for
*print_debug* (cf. :ref:`defaults-config`). An example defaults.conf file
should be included with ClusterShell. Remember that this could affect all
applications using ClusterShell.
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__getattr__(self,
name)
Defaults attribute lookup |
source code
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Inherited from object :
__delattr__ ,
__format__ ,
__getattribute__ ,
__hash__ ,
__new__ ,
__reduce__ ,
__reduce_ex__ ,
__repr__ ,
__sizeof__ ,
__str__ ,
__subclasshook__
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Inherited from object :
__class__
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Initialize Defaults from config filenames
- Overrides:
object.__init__
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Defaults attribute assignment
- Overrides:
object.__setattr__
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_TASK_DEFAULT
- Value:
{ ' auto_tree ' : True,
' distant_workername ' : ' ssh ' ,
' engine ' : ' auto ' ,
' local_workername ' : ' exec ' ,
' port_qlimit ' : 100,
' stderr ' : False,
' stderr_msgtree ' : True,
' stdout_msgtree ' : True}
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_TASK_DEFAULT_CONVERTERS
- Value:
{ ' auto_tree ' : <unbound method ConfigParser.getboolean>,
' distant_workername ' : <unbound method ConfigParser.get>,
' engine ' : <unbound method ConfigParser.get>,
' local_workername ' : <unbound method ConfigParser.get>,
' port_qlimit ' : <unbound method ConfigParser.getint>,
' stderr ' : <unbound method ConfigParser.getboolean>,
' stderr_msgtree ' : <unbound method ConfigParser.getboolean>,
' stdout_msgtree ' : <unbound method ConfigParser.getboolean>}
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_TASK_INFO
- Value:
{ ' command_timeout ' : 0,
' connect_timeout ' : 10,
' debug ' : False,
' fanout ' : 64,
' grooming_delay ' : 0.25,
' print_debug ' : <function _task_print_debug at 0x1e1e050>}
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_TASK_INFO_CONVERTERS
- Value:
{ ' command_timeout ' : <unbound method ConfigParser.getfloat>,
' connect_timeout ' : <unbound method ConfigParser.getfloat>,
' debug ' : <unbound method ConfigParser.getboolean>,
' fanout ' : <unbound method ConfigParser.getint>,
' grooming_delay ' : <unbound method ConfigParser.getfloat>}
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