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package uuid
import (
"fmt"
uuidv5 "github.com/google/uuid"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
)
var V5Func = function.New(&function.Spec{
Params: []function.Parameter{
{
Name: "namespace",
Type: cty.String,
},
{
Name: "name",
Type: cty.String,
},
},
Type: function.StaticReturnType(cty.String),
Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
var namespace uuidv5.UUID
switch {
case args[0].AsString() == "dns":
namespace = uuidv5.NameSpaceDNS
case args[0].AsString() == "url":
namespace = uuidv5.NameSpaceURL
case args[0].AsString() == "oid":
namespace = uuidv5.NameSpaceOID
case args[0].AsString() == "x500":
namespace = uuidv5.NameSpaceX500
default:
if namespace, err = uuidv5.Parse(args[0].AsString()); err != nil {
return cty.UnknownVal(cty.String), fmt.Errorf("uuidv5() doesn't support namespace %s (%v)", args[0].AsString(), err)
}
}
val := args[1].AsString()
return cty.StringVal(uuidv5.NewSHA1(namespace, []byte(val)).String()), nil
},
})
// V5 generates and returns a Type-5 UUID in the standard hexadecimal
// string format.
//
// This is not a "pure" function: it will generate a different result for each
// call.
func V5(namespace cty.Value, name cty.Value) (cty.Value, error) {
return V5Func.Call([]cty.Value{namespace, name})
}
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