Module runtime

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Module implementing configuration details at runtime.

Classes

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GetentResolver
Resolves Ganeti uids and gids by name.

Functions

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GetUid(user, _getpwnam)
Retrieve the uid from the database.

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GetGid(group, _getgrnam)
Retrieve the gid from the database.

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GetEnts(resolver=GetentResolver)
Singleton wrapper around resolver instance.

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InitArchInfo()
Initialize architecture information.

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GetArchInfo()
Returns previsouly initialized architecture information.

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Variables

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_priv = None

_priv_lock = threading.Lock()

_arch = None
Architecture information

Imports: grp, pwd, threading, platform, constants, errors, utils

Function Details

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GetUid(user, _getpwnam)

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Retrieve the uid from the database.

Parameters:

user (string) - The username to retrieve

Returns:

The resolved uid

GetGid(group, _getgrnam)

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Retrieve the gid from the database.

Parameters:

group (string) - The group name to retrieve

Returns:

The resolved gid

GetEnts(resolver=GetentResolver)

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Singleton wrapper around resolver instance.

As this method is accessed by multiple threads at the same time we need to take thread-safety carefully.

InitArchInfo()

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Initialize architecture information.

We can assume this information never changes during the lifetime of a process, therefore the information can easily be cached.

Note: This function uses platform.architecture to retrieve the Python binary architecture and does so by forking to run file (see Python documentation for more information). Therefore it must not be used in a multi-threaded environment.