113b383196
The driver list generation takes driver docstrings and attempts to parse that into rst formatted output for publication. With the way this content is formatted within the docstring, this would cause some slightly off formatting in the html output. This attempts to better extract that information to make the output cleaner and more readable. Change-Id: I3b7e0817ade1c86b6d157c96872f00bb1b99c3d8
152 lines
4.6 KiB
Python
Executable File
152 lines
4.6 KiB
Python
Executable File
#! /usr/bin/env python
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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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"""Generate list of Cinder drivers"""
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import argparse
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import os
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import json
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import textwrap
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from cinder.interface import util
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from cinder import objects
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# Object loading can cause issues loading drivers, force it up front
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objects.register_all()
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parser = argparse.ArgumentParser(prog="generate_driver_list")
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parser.add_argument("--format", default='str', choices=['str', 'dict'],
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help="Output format type")
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# Keep backwards compatibilty with the gate-docs test
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# The tests pass ['docs'] on the cmdln, but it's never been used.
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parser.add_argument("output_list", default=None, nargs='?')
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CI_WIKI_ROOT = "https://wiki.openstack.org/wiki/ThirdPartySystems/"
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class Output(object):
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def __init__(self, base_dir, output_list):
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# At this point we don't care what was passed in, just a trigger
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# to write this out to the doc tree for now
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self.driver_file = None
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if output_list:
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self.driver_file = open(
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'%s/doc/source/drivers.rst' % base_dir, 'w+')
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self.driver_file.write('===================\n')
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self.driver_file.write('Available Drivers\n')
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self.driver_file.write('===================\n\n')
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def __enter__(self):
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return self
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def __exit__(self, type, value, traceback):
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if self.driver_file:
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self.driver_file.close()
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def write(self, text):
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if self.driver_file:
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self.driver_file.write('%s\n' % text)
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else:
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print(text)
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def format_description(desc, output):
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desc = desc or '<None>'
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lines = desc.rstrip('\n').split('\n')
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output.write('* Description: %s' % lines[0])
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output.write('')
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output.write(textwrap.dedent('\n'.join(lines[1:])))
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def print_drivers(drivers, config_name, output):
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for driver in sorted(drivers, key=lambda x: x.class_fqn):
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driver_name = driver.class_name
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if not driver.supported:
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driver_name += " (unsupported)"
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output.write(driver_name)
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output.write('-' * len(driver_name))
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if driver.version:
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output.write('* Version: %s' % driver.version)
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output.write('* %s=%s' % (config_name, driver.class_fqn))
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if driver.ci_wiki_name and 'Cinder_Jenkins' not in driver.ci_wiki_name:
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output.write('* CI info: %s%s' % (CI_WIKI_ROOT,
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driver.ci_wiki_name))
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format_description(driver.desc, output)
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output.write('')
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output.write('')
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def output_str(cinder_root, args):
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with Output(cinder_root, args.output_list) as output:
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output.write('Volume Drivers')
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output.write('==============')
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print_drivers(util.get_volume_drivers(), 'volume_driver', output)
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output.write('Backup Drivers')
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output.write('==============')
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print_drivers(util.get_backup_drivers(), 'backup_driver', output)
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output.write('FC Zone Manager Drivers')
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output.write('=======================')
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print_drivers(util.get_fczm_drivers(), 'zone_driver', output)
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def collect_driver_info(driver):
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"""Build the dictionary that describes this driver."""
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info = {'name': driver.class_name,
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'version': driver.version,
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'fqn': driver.class_fqn,
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'description': driver.desc,
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'ci_wiki_name': driver.ci_wiki_name,
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'supported': driver.supported}
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return info
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def output_dict():
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"""Output the results as a JSON dict."""
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driver_list = []
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drivers = util.get_volume_drivers()
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for driver in drivers:
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driver_list.append(collect_driver_info(driver))
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print(json.dumps(driver_list))
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def main():
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tools_dir = os.path.dirname(os.path.abspath(__file__))
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cinder_root = os.path.dirname(tools_dir)
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cur_dir = os.getcwd()
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os.chdir(cinder_root)
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args = parser.parse_args()
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try:
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if args.format == 'str':
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output_str(cinder_root, args)
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elif args.format == 'dict':
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output_dict()
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finally:
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os.chdir(cur_dir)
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if __name__ == '__main__':
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main()
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