Auto generate and check config sample
It uses config sample generator code and scripts for check that config is uptodate from oslo. Change-Id: I60e50c1b27e16616b34b7f97a61bf65b4ecbce76
This commit is contained in:
Sergey Lukjanov
parent
e481dd35ba
commit
7b6380a72b
@ -297,7 +297,7 @@
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#
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# Options defined in savanna.utils.ssh_remote
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# Options defined in savanna.utils.remote
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#
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# Maximum number of remote operations that will be running at
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@ -1,6 +1,7 @@
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[DEFAULT]
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# The list of modules to copy from oslo-incubator
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module=config
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module=context
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module=db
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module=db.sqlalchemy
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0
savanna/openstack/common/config/__init__.py
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0
savanna/openstack/common/config/__init__.py
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293
savanna/openstack/common/config/generator.py
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293
savanna/openstack/common/config/generator.py
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@ -0,0 +1,293 @@
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# Copyright 2012 SINA Corporation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Extracts OpenStack config option info from module(s)."""
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from __future__ import print_function
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import argparse
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import imp
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import os
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import re
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import socket
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import sys
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import textwrap
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from oslo.config import cfg
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import six
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import stevedore.named
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from savanna.openstack.common import gettextutils
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from savanna.openstack.common import importutils
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gettextutils.install('savanna')
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STROPT = "StrOpt"
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BOOLOPT = "BoolOpt"
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INTOPT = "IntOpt"
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FLOATOPT = "FloatOpt"
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LISTOPT = "ListOpt"
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MULTISTROPT = "MultiStrOpt"
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OPT_TYPES = {
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STROPT: 'string value',
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BOOLOPT: 'boolean value',
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INTOPT: 'integer value',
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FLOATOPT: 'floating point value',
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LISTOPT: 'list value',
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MULTISTROPT: 'multi valued',
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}
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OPTION_REGEX = re.compile(r"(%s)" % "|".join([STROPT, BOOLOPT, INTOPT,
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FLOATOPT, LISTOPT,
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MULTISTROPT]))
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PY_EXT = ".py"
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BASEDIR = os.path.abspath(os.path.join(os.path.dirname(__file__),
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"../../../../"))
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WORDWRAP_WIDTH = 60
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def generate(argv):
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parser = argparse.ArgumentParser(
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description='generate sample configuration file',
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)
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parser.add_argument('-m', dest='modules', action='append')
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parser.add_argument('-l', dest='libraries', action='append')
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parser.add_argument('srcfiles', nargs='*')
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parsed_args = parser.parse_args(argv)
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mods_by_pkg = dict()
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for filepath in parsed_args.srcfiles:
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pkg_name = filepath.split(os.sep)[1]
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mod_str = '.'.join(['.'.join(filepath.split(os.sep)[:-1]),
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os.path.basename(filepath).split('.')[0]])
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mods_by_pkg.setdefault(pkg_name, list()).append(mod_str)
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# NOTE(lzyeval): place top level modules before packages
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pkg_names = sorted(pkg for pkg in mods_by_pkg if pkg.endswith(PY_EXT))
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ext_names = sorted(pkg for pkg in mods_by_pkg if pkg not in pkg_names)
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pkg_names.extend(ext_names)
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# opts_by_group is a mapping of group name to an options list
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# The options list is a list of (module, options) tuples
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opts_by_group = {'DEFAULT': []}
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if parsed_args.modules:
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for module_name in parsed_args.modules:
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module = _import_module(module_name)
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if module:
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for group, opts in _list_opts(module):
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opts_by_group.setdefault(group, []).append((module_name,
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opts))
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# Look for entry points defined in libraries (or applications) for
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# option discovery, and include their return values in the output.
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#
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# Each entry point should be a function returning an iterable
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# of pairs with the group name (or None for the default group)
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# and the list of Opt instances for that group.
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if parsed_args.libraries:
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loader = stevedore.named.NamedExtensionManager(
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'oslo.config.opts',
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names=list(set(parsed_args.libraries)),
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invoke_on_load=False,
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)
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for ext in loader:
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for group, opts in ext.plugin():
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opt_list = opts_by_group.setdefault(group or 'DEFAULT', [])
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opt_list.append((ext.name, opts))
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for pkg_name in pkg_names:
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mods = mods_by_pkg.get(pkg_name)
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mods.sort()
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for mod_str in mods:
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if mod_str.endswith('.__init__'):
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mod_str = mod_str[:mod_str.rfind(".")]
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mod_obj = _import_module(mod_str)
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if not mod_obj:
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raise RuntimeError("Unable to import module %s" % mod_str)
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for group, opts in _list_opts(mod_obj):
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opts_by_group.setdefault(group, []).append((mod_str, opts))
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print_group_opts('DEFAULT', opts_by_group.pop('DEFAULT', []))
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for group in sorted(opts_by_group.keys()):
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print_group_opts(group, opts_by_group[group])
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def _import_module(mod_str):
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try:
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if mod_str.startswith('bin.'):
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imp.load_source(mod_str[4:], os.path.join('bin', mod_str[4:]))
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return sys.modules[mod_str[4:]]
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else:
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return importutils.import_module(mod_str)
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except Exception as e:
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sys.stderr.write("Error importing module %s: %s\n" % (mod_str, str(e)))
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return None
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def _is_in_group(opt, group):
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"Check if opt is in group."
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for value in group._opts.values():
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# NOTE(llu): Temporary workaround for bug #1262148, wait until
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# newly released oslo.config support '==' operator.
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if not(value['opt'] != opt):
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return True
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return False
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def _guess_groups(opt, mod_obj):
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# is it in the DEFAULT group?
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if _is_in_group(opt, cfg.CONF):
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return 'DEFAULT'
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# what other groups is it in?
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for value in cfg.CONF.values():
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if isinstance(value, cfg.CONF.GroupAttr):
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if _is_in_group(opt, value._group):
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return value._group.name
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raise RuntimeError(
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"Unable to find group for option %s, "
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"maybe it's defined twice in the same group?"
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% opt.name
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)
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def _list_opts(obj):
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def is_opt(o):
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return (isinstance(o, cfg.Opt) and
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not isinstance(o, cfg.SubCommandOpt))
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opts = list()
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for attr_str in dir(obj):
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attr_obj = getattr(obj, attr_str)
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if is_opt(attr_obj):
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opts.append(attr_obj)
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elif (isinstance(attr_obj, list) and
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all(map(lambda x: is_opt(x), attr_obj))):
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opts.extend(attr_obj)
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ret = {}
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for opt in opts:
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ret.setdefault(_guess_groups(opt, obj), []).append(opt)
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return ret.items()
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def print_group_opts(group, opts_by_module):
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print("[%s]" % group)
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print('')
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for mod, opts in opts_by_module:
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print('#')
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print('# Options defined in %s' % mod)
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print('#')
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print('')
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for opt in opts:
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_print_opt(opt)
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print('')
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def _get_my_ip():
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try:
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csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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csock.connect(('8.8.8.8', 80))
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(addr, port) = csock.getsockname()
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csock.close()
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return addr
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except socket.error:
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return None
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def _sanitize_default(name, value):
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"""Set up a reasonably sensible default for pybasedir, my_ip and host."""
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if value.startswith(sys.prefix):
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# NOTE(jd) Don't use os.path.join, because it is likely to think the
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# second part is an absolute pathname and therefore drop the first
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# part.
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value = os.path.normpath("/usr/" + value[len(sys.prefix):])
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elif value.startswith(BASEDIR):
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return value.replace(BASEDIR, '/usr/lib/python/site-packages')
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elif BASEDIR in value:
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return value.replace(BASEDIR, '')
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elif value == _get_my_ip():
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return '10.0.0.1'
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elif value == socket.gethostname() and 'host' in name:
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return 'savanna'
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elif value.strip() != value:
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return '"%s"' % value
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return value
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def _print_opt(opt):
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opt_name, opt_default, opt_help = opt.dest, opt.default, opt.help
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if not opt_help:
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sys.stderr.write('WARNING: "%s" is missing help string.\n' % opt_name)
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opt_help = ""
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opt_type = None
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try:
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opt_type = OPTION_REGEX.search(str(type(opt))).group(0)
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except (ValueError, AttributeError) as err:
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sys.stderr.write("%s\n" % str(err))
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sys.exit(1)
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opt_help += ' (' + OPT_TYPES[opt_type] + ')'
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print('#', "\n# ".join(textwrap.wrap(opt_help, WORDWRAP_WIDTH)))
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if opt.deprecated_opts:
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for deprecated_opt in opt.deprecated_opts:
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if deprecated_opt.name:
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deprecated_group = (deprecated_opt.group if
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deprecated_opt.group else "DEFAULT")
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print('# Deprecated group/name - [%s]/%s' %
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(deprecated_group,
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deprecated_opt.name))
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try:
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if opt_default is None:
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print('#%s=<None>' % opt_name)
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elif opt_type == STROPT:
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assert(isinstance(opt_default, six.string_types))
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print('#%s=%s' % (opt_name, _sanitize_default(opt_name,
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opt_default)))
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elif opt_type == BOOLOPT:
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assert(isinstance(opt_default, bool))
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print('#%s=%s' % (opt_name, str(opt_default).lower()))
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elif opt_type == INTOPT:
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assert(isinstance(opt_default, int) and
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not isinstance(opt_default, bool))
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print('#%s=%s' % (opt_name, opt_default))
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elif opt_type == FLOATOPT:
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assert(isinstance(opt_default, float))
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print('#%s=%s' % (opt_name, opt_default))
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elif opt_type == LISTOPT:
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assert(isinstance(opt_default, list))
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print('#%s=%s' % (opt_name, ','.join(opt_default)))
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elif opt_type == MULTISTROPT:
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assert(isinstance(opt_default, list))
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if not opt_default:
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opt_default = ['']
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for default in opt_default:
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print('#%s=%s' % (opt_name, default))
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print('')
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except Exception:
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sys.stderr.write('Error in option "%s"\n' % opt_name)
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sys.exit(1)
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def main():
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generate(sys.argv[1:])
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if __name__ == '__main__':
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main()
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25
tools/config/check_uptodate.sh
Executable file
25
tools/config/check_uptodate.sh
Executable file
@ -0,0 +1,25 @@
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#!/usr/bin/env bash
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PROJECT_NAME=${PROJECT_NAME:-savanna}
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CFGFILE_NAME=${PROJECT_NAME}.conf.sample
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if [ -e etc/${PROJECT_NAME}/${CFGFILE_NAME} ]; then
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CFGFILE=etc/${PROJECT_NAME}/${CFGFILE_NAME}
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elif [ -e etc/${CFGFILE_NAME} ]; then
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CFGFILE=etc/${CFGFILE_NAME}
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else
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echo "${0##*/}: can not find config file"
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exit 1
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fi
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TEMPDIR=`mktemp -d /tmp/${PROJECT_NAME}.XXXXXX`
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trap "rm -rf $TEMPDIR" EXIT
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tools/config/generate_sample.sh -b ./ -p ${PROJECT_NAME} -o ${TEMPDIR}
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if ! diff -u ${TEMPDIR}/${CFGFILE_NAME} ${CFGFILE}
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then
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echo "${0##*/}: ${PROJECT_NAME}.conf.sample is not up to date."
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echo "${0##*/}: Please run ${0%%${0##*/}}generate_sample.sh."
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exit 1
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fi
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119
tools/config/generate_sample.sh
Executable file
119
tools/config/generate_sample.sh
Executable file
@ -0,0 +1,119 @@
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#!/usr/bin/env bash
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print_hint() {
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echo "Try \`${0##*/} --help' for more information." >&2
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}
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PARSED_OPTIONS=$(getopt -n "${0##*/}" -o hb:p:m:l:o: \
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--long help,base-dir:,package-name:,output-dir:,module:,library: -- "$@")
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if [ $? != 0 ] ; then print_hint ; exit 1 ; fi
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eval set -- "$PARSED_OPTIONS"
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while true; do
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case "$1" in
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-h|--help)
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echo "${0##*/} [options]"
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echo ""
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echo "options:"
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echo "-h, --help show brief help"
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echo "-b, --base-dir=DIR project base directory"
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echo "-p, --package-name=NAME project package name"
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echo "-o, --output-dir=DIR file output directory"
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echo "-m, --module=MOD extra python module to interrogate for options"
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echo "-l, --library=LIB extra library that registers options for discovery"
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exit 0
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;;
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-b|--base-dir)
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shift
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BASEDIR=`echo $1 | sed -e 's/\/*$//g'`
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shift
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;;
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-p|--package-name)
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shift
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PACKAGENAME=`echo $1`
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shift
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;;
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-o|--output-dir)
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shift
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OUTPUTDIR=`echo $1 | sed -e 's/\/*$//g'`
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shift
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;;
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-m|--module)
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shift
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MODULES="$MODULES -m $1"
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shift
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;;
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-l|--library)
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shift
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LIBRARIES="$LIBRARIES -l $1"
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shift
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;;
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--)
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break
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;;
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esac
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done
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BASEDIR=${BASEDIR:-`pwd`}
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if ! [ -d $BASEDIR ]
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then
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echo "${0##*/}: missing project base directory" >&2 ; print_hint ; exit 1
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elif [[ $BASEDIR != /* ]]
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then
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BASEDIR=$(cd "$BASEDIR" && pwd)
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fi
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PACKAGENAME=${PACKAGENAME:-${BASEDIR##*/}}
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TARGETDIR=$BASEDIR/$PACKAGENAME
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if ! [ -d $TARGETDIR ]
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then
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echo "${0##*/}: invalid project package name" >&2 ; print_hint ; exit 1
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fi
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OUTPUTDIR=${OUTPUTDIR:-$BASEDIR/etc}
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# NOTE(bnemec): Some projects put their sample config in etc/,
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# some in etc/$PACKAGENAME/
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if [ -d $OUTPUTDIR/$PACKAGENAME ]
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then
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OUTPUTDIR=$OUTPUTDIR/$PACKAGENAME
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elif ! [ -d $OUTPUTDIR ]
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then
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echo "${0##*/}: cannot access \`$OUTPUTDIR': No such file or directory" >&2
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exit 1
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fi
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BASEDIRESC=`echo $BASEDIR | sed -e 's/\//\\\\\//g'`
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find $TARGETDIR -type f -name "*.pyc" -delete
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FILES=$(find $TARGETDIR -type f -name "*.py" ! -path "*/tests/*" \
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-exec grep -l "Opt(" {} + | sed -e "s/^$BASEDIRESC\///g" | sort -u)
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RC_FILE="`dirname $0`/oslo.config.generator.rc"
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if test -r "$RC_FILE"
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then
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source "$RC_FILE"
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fi
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for mod in ${SAVANNA_CONFIG_GENERATOR_EXTRA_MODULES}; do
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MODULES="$MODULES -m $mod"
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done
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for lib in ${SAVANNA_CONFIG_GENERATOR_EXTRA_LIBRARIES}; do
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LIBRARIES="$LIBRARIES -l $lib"
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done
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export EVENTLET_NO_GREENDNS=yes
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OS_VARS=$(set | sed -n '/^OS_/s/=[^=]*$//gp' | xargs)
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[ "$OS_VARS" ] && eval "unset \$OS_VARS"
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DEFAULT_MODULEPATH=savanna.openstack.common.config.generator
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MODULEPATH=${MODULEPATH:-$DEFAULT_MODULEPATH}
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OUTPUTFILE=$OUTPUTDIR/$PACKAGENAME.conf.sample
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python -m $MODULEPATH $MODULES $LIBRARIES $FILES > $OUTPUTFILE
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# Hook to allow projects to append custom config file snippets
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CONCAT_FILES=$(ls $BASEDIR/tools/config/*.conf.sample 2>/dev/null)
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for CONCAT_FILE in $CONCAT_FILES; do
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cat $CONCAT_FILE >> $OUTPUTFILE
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done
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Block a user