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- Committer: Francesco Banconi
- Date: 2014-01-08 21:25:36 UTC
- Revision ID: francesco.banconi@canonical.com-20140108212536-ylihhb7su8a41rcl
Checkpoint.
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removed
quickstart/manage.py
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import argparse
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import codecs
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import functools
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import logging
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import os
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import sys
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settings,
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utils,
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)
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from quickstart.cli import views
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from quickstart.models import (
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charms,
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envs,
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'revision: {}'.format(charm))
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def _save_calable(parser, env_file, env_db):
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try:
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envs.save(env_file, env_db)
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except OSError as err:
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return parser.error(bytes(err))
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def _validate_env(options, parser):
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"""Validate and process the provided environment related options.
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Also start the environments management interactive session if required.
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Exit with an error if options are not valid.
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"""
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logging.debug('ensuring juju environments available')
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env_name = options.env_name
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env_file = os.path.abspath(os.path.expanduser(options.env_file))
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interactive = options.interactive
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if not os.path.exists(env_file):
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# If the Juju home is not set up, create an empty environments file,
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# force the interactive mode and ignore the user provided env name.
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envs.create(env_file)
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interactive = True
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env_name = None
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# Validate the environment name.
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env_name = options.env_name
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if env_name is None:
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if env_name is None and not interactive:
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# The user forced non-interactive mode but a default env name cannot
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# be retrieved. In this case, just exit with an error.
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return parser.error(
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'unable to find an environment name to use\n'
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'It is possible to specify the environment name by either:\n'
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'It is possible to specify the environment to use by either:\n'
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' - selecting one from the quickstart interactive session;\n'
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' - passing the -e or --environment argument;\n'
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' - setting the JUJU_ENV environment variable;\n'
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' - using "juju switch" to select the default environment;\n'
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)
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# Validate the environment file.
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try:
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env_type, admin_secret, default_series = (
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envs.parse_env_file(env_file, env_name))
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env_db = envs.load(env_file)
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except ValueError as err:
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return parser.error(bytes(err))
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# Validate the environment.
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env_type_db = envs.get_env_type_db()
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if interactive:
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# Start the interactive session.
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save_callable = functools.partial(_save_calable, parser, env_file)
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new_env_db, env_data = views.show(
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views.env_index, env_type_db, env_db, save_callable)
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if new_env_db != env_db:
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print('changes to the environments file have been saved')
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if env_data is None:
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# The user exited the interactive session without selecting an
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# environment to start: this means this was just an environment
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# editing session and we can just quit now.
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sys.exit('quitting')
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else:
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# This is a non-interactive session and we need to validate the
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# selected environment before proceeding.
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try:
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env_data = envs.get_env_data(env_db, env_name)
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except ValueError as err:
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# The specified environment does not exist.
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return parser.error(bytes(err))
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env_metadata = envs.get_env_metadata(env_type_db, env_data)
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errors = envs.validate(env_metadata, env_data)
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if errors:
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msg = 'cannot use the {} environment:\n{}'.format(
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env_name, '\n'.join(errors.values()))
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return parser.error(msg.encode('utf-8'))
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# Update the options namespace with the new values.
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options.admin_secret = admin_secret
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options.admin_secret = env_data['admin-secret']
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options.env_file = env_file
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options.env_type = env_type
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options.default_series = default_series
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options.env_name = env_data['name']
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options.env_type = env_data['type']
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options.default_series = env_data.get('default-series')
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options.interactive = interactive
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def _configure_logging(level):
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- env_file: the absolute path of the Juju environments.yaml file;
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- env_name: the name of the Juju environment to use;
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- env_type: the provider type of the selected Juju environment;
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- interactive: whether to start the interactive session;
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- open_browser: whether the GUI browser must be opened.
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The following attributes will also be included in the namespace if a bundle
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default_env_name = envs.get_default_env_name()
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# Define the help message for the --environment option.
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env_help = 'The name of the Juju environment to use'
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# XXX 2013-12-02 makyo:
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# ensure_environments will be removed with more robust environment
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# management code in the next few weeks.
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if default_env_name is None:
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default_env_name = app.ensure_environments()
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if default_env_name is not None:
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env_help = '{} (%(default)s)'.format(env_help)
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# Create and set up the arguments parser.
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'required if the bundle YAML/JSON only contains one bundle. This '
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'option is ignored if the bundle file is not specified')
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parser.add_argument(
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'-i', '--interactive', action='store_true', dest='interactive',
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help='Start the environments management interactive session')
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parser.add_argument(
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'--environments-file', dest='env_file',
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default=os.path.join(settings.JUJU_HOME, 'environments.yaml'),
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help='The path to the Juju environments YAML file (%(default)s)')
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