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Command resolver

The command resolver executes a specified shell command and uses the command output as a parameter value.

Properties

Here are the properties of the command resolver:
Key
Required
Type
Description
resolver
yes
string
Resolver name, this must be cmd.
command
yes
string
Shell command to execute.
confidential
no
boolean
Conceal the resolved parameter value from logs, defaults to false
immutable
no
boolean
Mark the parameter as immutable, defaults to false
exposeStackCredentials
no
boolean
Make the current stack's AWS credentials available for the shell command. Defaults to false. Added in Takomo v3.11.0.
exposeStackRegion
no
boolean
Make the current stack's region available for the shell command. Defaults to false. Added in Takomo v3.11.0.
capture
no
string
Controls how to capture the output of the executed shell command. By default, all output is captured. To capture only the last line, set this to last-line. Added in Takomo v3.11.0.

Environment variables available in the shell command

The following environment variables are available in the shell command:
Name
Description
AWS_ACCESS_KEY_ID
If exposeStackCredentials is true, this will hold the access key id of credentials of the current stack.
AWS_SECRET_ACCESS_KEY
If exposeStackCredentials is true, this will hold the secret access key of credentials of the current stack.
AWS_SESSION_TOKEN
If exposeStackCredentials is true, this will hold the session token of credentials of the current stack.
AWS_SECURITY_TOKEN
If exposeStackCredentials is true, this will hold the session token of credentials of the current stack.
AWS_DEFAULT_REGION
IF exposeStackRegion is true, this will hold the region of the current stack.

Example

Use contents of the /home/password.txt file as parameter value:
parameters:
Password:
resolver: cmd
command: cat /home/password.txt