6ed59014d5
When running in devstack, you need to set the SERVICE_VARIANT so that
assets.py knows what environment file to use. Recall that in devstack
we have all our settings in ../lms.env.json, not just ../env.json. So
you need to run like this:
SERVICE_VARIANT=lms paver lms --settings=devstack
Previously you'd get this error:
Warning: could not find environment JSON file at 'lms.env.json'
Note there is no path on the file, that's the bug. By making
self.REPO_ROOT absolute, we can walk up the tree and correctly find
the file, which is /edx/app/edxapp/lms.env.json fwiw.
68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
"""
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Helper functions for loading environment settings.
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"""
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from __future__ import print_function
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import os
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import sys
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import json
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from lazy import lazy
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from path import path
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class Env(object):
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"""
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Load information about the execution environment.
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"""
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# Root of the git repository (edx-platform)
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REPO_ROOT = path(__file__).abspath().parent.parent.parent
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# Service variant (lms, cms, etc.) configured with an environment variable
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# We use this to determine which envs.json file to load.
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SERVICE_VARIANT = os.environ.get('SERVICE_VARIANT', None)
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@lazy
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def env_tokens(self):
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"""
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Return a dict of environment settings.
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If we couldn't find the JSON file, issue a warning and return an empty dict.
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"""
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# Find the env JSON file
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if self.SERVICE_VARIANT:
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env_path = self.REPO_ROOT.parent / "{service}.env.json".format(service=self.SERVICE_VARIANT)
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else:
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env_path = path("env.json").abspath()
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# If the file does not exist, here or one level up,
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# issue a warning and return an empty dict
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if not env_path.isfile():
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env_path = env_path.parent.parent / env_path.basename()
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if not env_path.isfile():
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print(
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"Warning: could not find environment JSON file "
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"at '{path}'".format(path=env_path),
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file=sys.stderr,
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)
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return dict()
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# Otherwise, load the file as JSON and return the resulting dict
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try:
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with open(env_path) as env_file:
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return json.load(env_file)
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except ValueError:
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print(
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"Error: Could not parse JSON "
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"in {path}".format(path=env_path),
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file=sys.stderr,
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)
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sys.exit(1)
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@lazy
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def feature_flags(self):
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"""
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Return a dictionary of feature flags configured by the environment.
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"""
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return self.env_tokens.get('FEATURES', dict())
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