bind10_config.py.in 4.02 KB
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# Copyright (C) 2010  Internet Systems Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SYSTEMS CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SYSTEMS CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

# This is a base-level module intended to provide configure-time
# variables to python scripts and libraries.
import os

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def reload():
    # In a function, for testing purposes
    global BIND10_MSGQ_SOCKET_FILE
    global DATA_PATH
    global PLUGIN_PATHS
    global PREFIX
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    global LIBEXECPATH
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    BIND10_MSGQ_SOCKET_FILE = os.path.join("@localstatedir@",
                                           "@PACKAGE_NAME@",
                                           "msgq_socket").replace("${prefix}",
                                                                  "@prefix@")
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    PREFIX = "@prefix@"
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    # B10_FROM_SOURCE is set in the environment for internal tests and
    # an experimental run without installagion.  In that case we need to
    # specialize some configuration variables, generally so that they refer
    # to somewhere in the source tree instead of the appropriate places
    # after installation.
    #
    # DATA_PATH: used by the config manager to find configuration files.
    #  When "FROM_SOURCE", we use data files from a directory relative to the
    #  value of that variable, or, if defined, relative to the value of
    #  B10_FROM_SOURCE_LOCALSTATEDIR.  Otherwise we use the ones installed on
    #  the system.
    # PLUGIN_PATHS: configuration modules that are not associated to specific
    #  process
    # LIBEXECPATH: Paths to programs invoked by the boss process
    #  The boss process (directly or via a helper module) uses this as
    #  the prefererred PATH before starting a child process.
    #  When "FROM_SOURCE", it lists the directories where the programs are
    #  built so that when BIND 10 is experimentally started on the source
    #  tree the programs in the tree (not installed ones) will be used.
    #
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    # B10_FROM_SOURCE_LOCALSTATEDIR is specifically intended to be used for
    # tests where we want to use variuos types of configuration within the test
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    # environment.  (We may want to make it even more generic so that the path
    # is passed from the boss process)
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    if "B10_FROM_SOURCE" in os.environ:
        if "B10_FROM_SOURCE_LOCALSTATEDIR" in os.environ:
            DATA_PATH = os.environ["B10_FROM_SOURCE_LOCALSTATEDIR"]
        else:
            DATA_PATH = os.environ["B10_FROM_SOURCE"]
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        PLUGIN_PATHS = [os.environ["B10_FROM_SOURCE"] +
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                            '/src/bin/cfgmgr/local_plugins',
                             os.environ["B10_FROM_SOURCE"] +
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                            '/src/bin/cfgmgr/plugins']
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        programdirs = ['auth', 'cfgmgr', 'cmdctl', 'ddns', 'dhcp6', 'msgq',
                       'resolver', 'sockcreator', 'stats', 'xfrin', 'xfrout',
                       'zonemgr']
        LIBEXECPATH = ':'.join(['@abs_top_builddir@/src/bin/' + p for p in
                                programdirs])
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    else:
        DATA_PATH = "@localstatedir@/@PACKAGE@".replace("${prefix}", PREFIX)
        PLUGIN_PATHS = ["@prefix@/share/@PACKAGE@/config_plugins"]
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        LIBEXECPATH = ("@libexecdir@/@PACKAGE@"). \
            replace("${exec_prefix}", "@exec_prefix@"). \
            replace("${prefix}", "@prefix@")
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    # For testing the plugins so they can find their own spec files
    if "B10_TEST_PLUGIN_DIR" in os.environ:
        PLUGIN_PATHS = os.environ["B10_TEST_PLUGIN_DIR"].split(':')
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reload()