anvil/devstack/opts.py
Doug Hellmann 931b896cc1 Split the action runner into several subclasses and move the logic
for each action into the appropriate subclass.
2012-03-21 18:10:13 -04:00

115 lines
4.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from optparse import IndentedHelpFormatter
from optparse import OptionParser, OptionGroup
from devstack.progs import actions
from devstack import log as logging
from devstack import settings
from devstack import version
HELP_WIDTH = 80
LOG = logging.getLogger("devstack.opts")
def _format_list(in_list):
sorted_list = sorted(in_list)
return "[" + ", ".join(sorted_list) + "]"
def parse():
version_str = "%prog v" + version.version_string()
help_formatter = IndentedHelpFormatter(width=HELP_WIDTH)
parser = OptionParser(version=version_str, formatter=help_formatter)
# Root options
parser.add_option("-v", "--verbose",
action="append_const",
const=1,
dest="verbosity",
default=[1],
help="increase the verbose level")
parser.add_option("--dryrun",
action="store_true",
dest="dryrun",
default=False,
help=("perform ACTION but do not actually run any of the commands"
" that would normally complete ACTION: (default: %default)"))
# Install/start/stop/uninstall specific options
base_group = OptionGroup(parser, "Install & uninstall & start & stop specific options")
base_group.add_option("-p", "--persona",
action="store",
type="string",
dest="persona_fn",
default='conf/personas/devstack.sh.yaml',
metavar="FILE",
help="required persona yaml file to apply (default: %default)")
base_group.add_option("-a", "--action",
action="store",
type="string",
dest="action",
metavar="ACTION",
help="required action to perform: %s" % (_format_list(actions.get_action_names())))
base_group.add_option("-d", "--directory",
action="store",
type="string",
dest="dir",
metavar="DIR",
help=("empty root DIR for install or "
"DIR with existing components for start/stop/uninstall"))
base_group.add_option("--no-prompt-passwords",
action="store_false",
dest="prompt_for_passwords",
default=True,
help="do not prompt the user for passwords",
)
parser.add_option_group(base_group)
# Uninstall and stop options
stop_un_group = OptionGroup(parser, "Uninstall & stop specific options")
stop_un_group.add_option("-n", "--no-force",
action="store_true",
dest="force",
help="stop the continuation of ACTION if basic errors occur (default: %default)",
default=False)
parser.add_option_group(stop_un_group)
un_group = OptionGroup(parser, "Uninstall specific options")
un_group.add_option("-k", "--keep-old",
action="store_true",
dest="keep_old",
help="uninstall will keep as much of the old install as it can (default: %default)",
default=False)
parser.add_option_group(un_group)
# Extract only what we care about
(options, args) = parser.parse_args()
output = dict()
output['dir'] = options.dir or ""
output['dryrun'] = options.dryrun or False
output['action'] = options.action or ""
output['force'] = not options.force
output['keep_old'] = options.keep_old
output['extras'] = args
output['persona_fn'] = options.persona_fn
output['verbosity'] = len(options.verbosity)
output['prompt_for_passwords'] = options.prompt_for_passwords
return output