[WHIRR-163] Support environment variable interpolation in configuration properties

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.3.0
• Component/s: core
• Assignee: Thomas White
• Reporter: Thomas White
• Created: 15/Dec/10 20:07
• Updated: 16/Dec/10 22:21
• Resolved: 16/Dec/10 22:21

Description

It would be useful to support environment variables in configuration file; to specify cloud credentials, for example. The syntax that Commons Configuration uses is {{

{env:AWS_ACCESS_KEY_ID}

}}, although that isn't supported for environment variables until 1.7 which isn't available.