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Ability to set "privileged" flag (boolean) from environment var #4554

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Ability to set "privileged" flag (boolean) from environment var #4554

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12 changes: 8 additions & 4 deletions compose/config/interpolation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ def process_item(name, config_dict):

def interpolate_value(name, config_key, value, section, interpolator):
try:
return recursive_interpolate(value, interpolator)
return recursive_interpolate(config_key, value, interpolator)
except InvalidInterpolation as e:
raise ConfigurationError(
'Invalid interpolation format for "{config_key}" option '
Expand All @@ -58,16 +58,20 @@ def interpolate_value(name, config_key, value, section, interpolator):
string=e.string))


def recursive_interpolate(obj, interpolator):
def recursive_interpolate(config_key, obj, interpolator):
if isinstance(obj, six.string_types):
if config_key == "privileged" and interpolator.interpolate(obj).lower() == 'true':
return True
elif config_key == "privileged" and interpolator.interpolate(obj).lower() == 'false':
return False
return interpolator.interpolate(obj)
if isinstance(obj, dict):
return dict(
(key, recursive_interpolate(val, interpolator))
(key, recursive_interpolate('', val, interpolator))
for (key, val) in obj.items()
)
if isinstance(obj, list):
return [recursive_interpolate(val, interpolator) for val in obj]
return [recursive_interpolate('', val, interpolator) for val in obj]
return obj


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