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Martin Atkins 8f77bd344e lang/funcs: Filesystem functions hint about dynamically-generated files ... The functions that interact with the filesystem are, by design, restricted to reading files that are distributed as a static part of the configuration, and cannot be used to interact with files that are generated dynamically by resources in the configuration. However, new users have often yet developed a correct mental model of how Terraform execution works and are confused by the terse error messages these functions return. As an interim step to help some of those users, this just adds some more commentary to the error message which gives a vague, generic directive to look to attributes of the resource that is generating the file, which should (if it's designed well) export attributes that allow the resulting file to be used effectively with common patterns, such as checksums of the content of the generated file. The error message here is not particularly attractive due to the limitations of the context where it's being returned from, but I'm accepting that here in the interest of keeping this change simple, so we can give a hint about a case that seems to frequently generate new-user questions. We may iterate further on the presentation of this message later.		6 years ago
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testdata	lang/funcs: templatefile function	7 years ago
cidr.go	lang/funcs: cidrsubnets function	7 years ago
cidr_test.go	lang/funcs: cidrsubnets function	7 years ago
collection.go	Feature: Sum Function (#24666)	6 years ago
collection_test.go	Feature: Sum Function (#24666)	6 years ago
conversion.go	lang/funcs: Type conversion functions	7 years ago
conversion_test.go	lang/funcs: Type conversion functions	7 years ago
crypto.go	lang/funcs: Add support for OpenSSH RSA key format	6 years ago
crypto_test.go	lang/funcs: Add support for OpenSSH RSA key format	6 years ago
datetime.go	cleanup comments for nicer godocs	7 years ago
datetime_test.go	cleanup comments for nicer godocs	7 years ago
encoding.go	fix typo in Base64DecodeFunc log	6 years ago
encoding_test.go	base64decodeFunc now checks for valid UTF-8	7 years ago
filesystem.go	lang/funcs: Filesystem functions hint about dynamically-generated files	6 years ago
filesystem_test.go	lang/funcs: Filesystem functions hint about dynamically-generated files	6 years ago
number.go	remove old funcs code	6 years ago
number_test.go	remove old funcs code	6 years ago
string.go	remove old funcs code	6 years ago
string_test.go	remove old funcs code	6 years ago