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Allow configuration of Galaxy via environment variables.

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Allow overriding config defaults (those not specified in the configuration file) with GALAXY_CONFIG_<config-name> and allow overriding actual configured values with GALAXY_CONFIG_OVERRIDE_<config-name>. Here config-name is the actual value in galaxy.ini but in upper case.
This commit is contained in:
John Chilton
2014-09-21 22:02:09 -04:00
parent c00e56ce2e
commit aa6fa90a4b
1 changed files with 12 additions and 0 deletions
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lib/galaxy/config.py
+12
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@@ -20,6 +20,9 @@ from galaxy import eggs
log = logging.getLogger( __name__ )
CONFIG_DEFAULT_PREFIX = "GALAXY_CONFIG_"
CONFIG_OVERRIDE_PREFIX = "GALAXY_CONFIG_OVERRIDE_"
def resolve_path( path, root ):
"""If 'path' is relative make absolute by prepending 'root'"""
@@ -36,6 +39,15 @@ class Configuration( object ):
deprecated_options = ( 'database_file', )
def __init__( self, **kwargs ):
for key in os.environ:
if key.startswith( CONFIG_OVERRIDE_PREFIX ):
config_key = key[ len( CONFIG_OVERRIDE_PREFIX ): ].lower()
kwargs[ config_key ] = os.environ[ key ]
elif key.startswith( CONFIG_DEFAULT_PREFIX ):
config_key = key[ len( CONFIG_DEFAULT_PREFIX ): ].lower()
if config_key not in kwargs:
kwargs[ config_key ] = os.environ[ key ]
self.config_dict = kwargs
self.root = kwargs.get( 'root_dir', '.' )