SSM parameter resolver

The SSM parameter resolver reads parameter values from SSM parameter store. The parameter can be encrypted.

Properties

Here are the properties of the SSM parameter resolver:

Key	Required	Type	Description
resolver	yes	string	Resolver name, this must be ssm.
name	yes	string	Name of the SSM parameter.
region	no	string	Region where the SSM parameter resides. By default, Takomo uses the region of the stack where the parameter resolver is used.
commandRole	no	string	IAM role used to access the SSM parameter. Command role is optional. By default, credentials associated with the current stack are used.
confidential	no	boolean	Conceal the resolved parameter value from logs, defaults to false.
immutable	no	boolean	Mark the parameter as immutable, defaults to false.

Read value from an SSM parameter /database/password that resides in the same region as the current stack:

parameters:
  Password:
    resolver: ssm
    name: /database/password

Read value from an SSM parameter /database/username that resides in eu-north-1 region:

parameters:
  Username:
    resolver: ssm
    region: eu-north-1
    name: /database/username

Read value from an SSM parameter using custom IAM role:

parameters:
  Password:
    resolver: ssm
    commandRole: arn:aws:iam::123456789012:role/read-only
    name: MyParam

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