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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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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for line in lines:
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output.write(' %s' % line)
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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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output.write('* Description:')
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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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