lookup (Function)¶

Fetch a key from a map. Provide a default as the third argument to avoid errors when the key is missing.

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Note

This provider is in pre-release and under active development. Features and APIs may change without notice and it is not intended for production infrastructure.

Example Usage¶

locals {
  lookup_settings = {
    database_host = "db.example.com"
    database_port = 5432
  }
  lookup_db_host = provider::pyvider::lookup(local.lookup_settings, "database_host", "localhost")
  lookup_missing = provider::pyvider::lookup(local.lookup_settings, "missing_key", "default")
}

output "lookup_results" {
  value = {
    found    = local.lookup_db_host
    notfound = local.lookup_missing
  }
}

Signature¶

lookup(map_to_search: map[string, any], key: string, options: variadic) -> any

Parameters¶

map_to_search (map[string, any], required) — Map to read. Returns null when this is null.
key (string, required) — Key to retrieve.
options (variadic, optional) — First value acts as the default result.

Returns¶

The matching value, the provided default, or null when the map itself is null.

Notes¶

Without a default, a missing key raises a FunctionError.