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Support setting the suffixes via environment variables. #81

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Support setting the suffixes via environment variables. #81

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891637a
Support setting the suffixes via environment variables.
choilive Nov 12, 2022
2f8a0ae
Support setting the suffix to 'none' via env vars.
choilive Nov 12, 2022
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5 changes: 4 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -155,11 +155,14 @@ Usage
identify the long term credential section by
[<profile_name>]. Omit to identify the long term
credential section by [<profile_name>-long-term].
The value can also be provided via the environment
variable 'MFA_LONG_TERM_SUFFIX.
--short-term-suffix SHORT_TERM_SUFFIX
To identify the short term credential section by
[<profile_name>-SHORT_TERM_SUFFIX]. Omit or use 'none'
to identify the short term credential section by
[<profile_name>].
[<profile_name>]. The value can also be provided via
the environment variable 'MFA_SHORT_TERM_SUFFIX.
--assume-role arn:aws:iam::123456788990:role/RoleName
The ARN of the AWS IAM Role you would like to assume,
if specified. This value can also be provided via the
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19 changes: 14 additions & 5 deletions awsmfa/__init__.py
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Expand Up @@ -128,22 +128,31 @@ def validate(args, config):
args.profile = 'default'

if not args.long_term_suffix:
long_term_name = '%s-long-term' % (args.profile,)
elif args.long_term_suffix.lower() == 'none':
long_term_name = args.profile
if os.environ.get('MFA_LONG_TERM_SUFFIX'):
args.long_term_suffix = os.environ.get('MFA_LONG_TERM_SUFFIX')
long_term_name = '%s-%s' % (args.profile, args.long_term_suffix)
else:
long_term_name = '%s-long-term' % (args.profile,)
else:
long_term_name = '%s-%s' % (args.profile, args.long_term_suffix)
if args.long_term_suffix.lower() == 'none':
long_term_name = args.profile
logger.debug('Using long term name: %s' % (long_term_name,))

if not args.short_term_suffix or args.short_term_suffix.lower() == 'none':
short_term_name = args.profile
if os.environ.get('MFA_SHORT_TERM_SUFFIX'):
args.short_term_suffix = os.environ.get('MFA_SHORT_TERM_SUFFIX')
short_term_name = '%s-%s' % (args.profile, args.short_term_suffix)
else:
short_term_name = args.profile
else:
short_term_name = '%s-%s' % (args.profile, args.short_term_suffix)
logger.debug('Using short term name: %s' % (short_term_name,))

if long_term_name == short_term_name:
log_error_and_exit(logger,
"The value for '--long-term-suffix' cannot "
"be equal to the value for '--short-term-suffix'")

if args.assume_role:
role_msg = "with assumed role: %s" % (args.assume_role,)
elif config.has_option(args.profile, 'assumed_role_arn'):
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