Martin Kosek 092dd8db12 Replace float with Decimal
Having float type as a base type for floating point parameters in
ipalib introduces several issues, e.g. problem with representation
or value comparison. Python language provides a Decimal type which
help overcome these issues.

This patch replaces a float type and Float parameter with a
decimal.Decimal type in Decimal parameter. A precision attribute
was added to Decimal parameter that can be used to limit a number
of decimal places in parameter representation. This approach fixes
a problem with API.txt validation where comparison of float values
may fail on different architectures due to float representation error.

In order to safely transfer the parameter value over RPC it is
being converted to string which is then converted back to
decimal.Decimal number on a server side.

https://fedorahosted.org/freeipa/ticket/2260
2012-01-20 08:13:44 +01:00
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                               IPA Server

  What is it?
  -----------

  For efficiency, compliance and risk mitigation, organizations need to
  centrally manage and correlate vital security information including:

    * Identity (machine, user, virtual machines, groups, authentication
      credentials)
    * Policy (configuration settings, access control information)
    * Audit (events, logs, analysis thereof) 

  Since these are not new problems. there exist many approaches and
  products focused on addressing them. However, these tend to have the
  following weaknesses:

    * Focus on solving identity management across the enterprise has meant
      less focus on policy and audit.
    * Vendor focus on Web identity management problems has meant less well
      developed solutions for central management of the Linux and Unix
      world's vital security info. Organizations are forced to maintain
      a hodgepodge of internal and proprietary solutions at high TCO.
    * Proprietary security products don't easily provide access to the
      vital security information they collect or manage. This makes it
      difficult to synchronize and analyze effectively. 

  The Latest Version
  ------------------

  Details of the latest version can be found on the IPA server project
  page under <http://www.freeipa.org/>.

  Documentation
  -------------

  The most up-to-date documentation can be found at
  <http://freeipa.org/page/Documentation/>.

  Quick Start
  -----------

  To get started quickly, start here:
  <https://fedorahosted.org/freeipa/wiki/QuickStartGuide>

  Licensing
  ---------

  Please see the file called COPYING.

  Contacts
  --------

     * If you want to be informed about new code releases, bug fixes,
       security fixes, general news and information about the IPA server
       subscribe to the freeipa-announce mailing list at
       <https://www.redhat.com/mailman/listinfo/freeipa-interest/>.

     * If you have a bug report please submit it at:
       <https://bugzilla.redhat.com>

     * If you want to participate in actively developing IPA please
       subscribe to the freeipa-devel mailing list at
       <https://www.redhat.com/mailman/listinfo/freeipa-devel/> or join
       us in IRC at irc://irc.freenode.net/freeipa
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