AWS Systems Manager Run Command now supports interpolating parameters into environment variables
AWS Cloud Operations Blog
AWS Systems Manager Run Command now supports interpolating parameters into environment variables, enhancing security and simplifying automation processes.
- New feature available in schema version 2.2 with SSM Agent v3.3.2746.0+
- Converts parameters to environment variables before execution
- Reduces risk of command injection by treating parameters as data, not code
- Uses `interpolationType: ENV_VAR` to create `SSM_parameter-name` environment variables
- Allows referencing parameters via `{{parameterName}}` or `$SSM_parameterName`
Key security benefits include input validation, fallback logic for legacy systems, and improved protection against unexpected parameter execution.
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