Template Syntax

May 8, 2026 · View on GitHub

Expressions in tasks and templates follow Go template conventions, with Sprig function extensions.

Custom Functions

Converts a variable to a YAML string. Optional parameter is the number of indentation spaces.

{{ .yaml_variable | toYaml }}

Parses a YAML string into a variable.

{{ .yaml_string | fromYaml }}

Returns all IP addresses (as an array) within the CIDR range.

{{ .cidr_variable | ipInCIDR }}

Returns the address family of an IP or IP_CIDR. Values: Invalid, IPv4, IPv6.

{{ .ip | ipFamily }}

Power operation.

# 2 to the power of 3, i.e., 2 ** 3
{{ 2 | pow 3 }}

Array difference: returns a new list containing elements that exist in the first argument but not in the second.

{{ .b | subtractList .a }}

Checks if a file exists at the given path.

{{ .file_path | fileExists }}