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Include go-cty stdlib functions in HCL file scope

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Signed-off-by: Patrick Van Stee <patrick@vanstee.me>
This commit is contained in:
Patrick Van Stee 2020-04-15 21:00:19 -04:00
parent a520de447e
commit 5185d534bc
1 changed files with 56 additions and 0 deletions
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56
bake/hcl.go
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@ -7,6 +7,61 @@ import (
hcl "github.com/hashicorp/hcl/v2" hcl "github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hclsimple" "github.com/hashicorp/hcl/v2/hclsimple"
"github.com/zclconf/go-cty/cty" "github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
"github.com/zclconf/go-cty/cty/function/stdlib"
)
// Collection of functions expected to be generally useful in cty-using
// applications, which HCL supports. This set of functions will be available to
// be called in HCL files.
var (
functions = map[string]function.Function{
"absolute": stdlib.AbsoluteFunc,
"add": stdlib.AddFunc,
"and": stdlib.AndFunc,
"byteslen": stdlib.BytesLenFunc,
"bytesslice": stdlib.BytesSliceFunc,
"csvdecode": stdlib.CSVDecodeFunc,
"coalesce": stdlib.CoalesceFunc,
"concat": stdlib.ConcatFunc,
"divide": stdlib.DivideFunc,
"equal": stdlib.EqualFunc,
"formatdate": stdlib.FormatDateFunc,
"format": stdlib.FormatFunc,
"formatlist": stdlib.FormatListFunc,
"greaterthan": stdlib.GreaterThanFunc,
"greaterthanorequalto": stdlib.GreaterThanOrEqualToFunc,
"hasindex": stdlib.HasIndexFunc,
"index": stdlib.IndexFunc,
"int": stdlib.IntFunc,
"jsondecode": stdlib.JSONDecodeFunc,
"jsonencode": stdlib.JSONEncodeFunc,
"length": stdlib.LengthFunc,
"lessthan": stdlib.LessThanFunc,
"lessthanorequalto": stdlib.LessThanOrEqualToFunc,
"lower": stdlib.LowerFunc,
"max": stdlib.MaxFunc,
"min": stdlib.MinFunc,
"modulo": stdlib.ModuloFunc,
"multiply": stdlib.MultiplyFunc,
"negate": stdlib.NegateFunc,
"notequal": stdlib.NotEqualFunc,
"not": stdlib.NotFunc,
"or": stdlib.OrFunc,
"range": stdlib.RangeFunc,
"regexall": stdlib.RegexAllFunc,
"regex": stdlib.RegexFunc,
"reverse": stdlib.ReverseFunc,
"sethaselement": stdlib.SetHasElementFunc,
"setintersection": stdlib.SetIntersectionFunc,
"setsubtract": stdlib.SetSubtractFunc,
"setsymmetricdifference": stdlib.SetSymmetricDifferenceFunc,
"setunion": stdlib.SetUnionFunc,
"strlen": stdlib.StrlenFunc,
"substr": stdlib.SubstrFunc,
"subtract": stdlib.SubtractFunc,
"upper": stdlib.UpperFunc,
}
) )
func ParseHCL(dt []byte, fn string) (*Config, error) { func ParseHCL(dt []byte, fn string) (*Config, error) {
@ -18,6 +73,7 @@ func ParseHCL(dt []byte, fn string) (*Config, error) {
ctx := &hcl.EvalContext{ ctx := &hcl.EvalContext{
Variables: variables, Variables: variables,
Functions: functions,
} }
var c Config var c Config