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# -*- coding: utf-8 -*- |
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# |
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# Copyright (c) 2014-2015 Online SAS and Contributors. All Rights Reserved. |
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# Edouard Bonlieu <[email protected]> |
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# Julien Castets <[email protected]> |
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# Manfred Touron <[email protected]> |
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# Kevin Deldycke <[email protected]> |
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# |
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# Licensed under the BSD 2-Clause License (the "License"); you may not use this |
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# file except in compliance with the License. You may obtain a copy of the |
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# License at http://opensource.org/licenses/BSD-2-Clause |
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import os |
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import yaml |
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import sys |
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from juju_scaleway.env import Environment |
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from juju_scaleway.exceptions import ConfigError |
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from juju_scaleway import provider |
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class Config(object): |
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def __init__(self, options): |
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self.options = options |
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def connect_provider(self): |
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"""Connect to Scaleway. |
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""" |
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return provider.factory() |
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def connect_environment(self): |
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"""Return a websocket connection to the environment. |
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""" |
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return Environment(self) |
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def validate(self): |
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provider.validate() |
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self.get_env_name() |
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@property |
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def verbose(self): |
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return self.options.verbose |
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@property |
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def constraints(self): |
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return self.options.constraints |
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@property |
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def series(self): |
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return self.options.series |
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@property |
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def upload_tools(self): |
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return getattr(self.options, 'upload_tools', False) |
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@property |
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def num_machines(self): |
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return getattr(self.options, 'num_machines', 0) |
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@property |
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def juju_home(self): |
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jhome = os.environ.get("JUJU_HOME") |
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if jhome is not None: |
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return os.path.expanduser(jhome) |
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if sys.platform == "win32": |
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return os.path.join( |
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os.path.join('APPDATA'), "Juju") |
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return os.path.expanduser("~/.juju") |
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def get_env_name(self): |
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"""Get the environment name. |
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""" |
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if self.options.environment: |
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return self.options.environment |
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elif os.environ.get("JUJU_ENV"): |
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return os.environ['JUJU_ENV'] |
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env_ptr = os.path.join(self.juju_home, "current-environment") |
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if os.path.exists(env_ptr): |
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with open(env_ptr) as handle: |
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return handle.read().strip() |
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with open(self.get_env_conf()) as handle: |
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conf = yaml.safe_load(handle.read()) |
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if 'default' not in conf: |
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raise ConfigError("No Environment specified") |
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return conf['default'] |
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def get_env_conf(self): |
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"""Get the environment config file. |
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""" |
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conf = os.path.join(self.juju_home, 'environments.yaml') |
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if not os.path.exists(conf): |
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raise ConfigError("Juju environments.yaml not found %s" % conf) |
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return conf |
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