6c4344623b
The main HCL package is more visible this way, and so it's easier than having to pick it out from dozens of other package directories.
44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
package dynblock
|
|
|
|
import (
|
|
"github.com/hashicorp/hcl/v2"
|
|
"github.com/hashicorp/hcl/v2/hcldec"
|
|
)
|
|
|
|
// VariablesHCLDec is a wrapper around WalkVariables that uses the given hcldec
|
|
// specification to automatically drive the recursive walk through nested
|
|
// blocks in the given body.
|
|
//
|
|
// This is a drop-in replacement for hcldec.Variables which is able to treat
|
|
// blocks of type "dynamic" in the same special way that dynblock.Expand would,
|
|
// exposing both the variables referenced in the "for_each" and "labels"
|
|
// arguments and variables used in the nested "content" block.
|
|
func VariablesHCLDec(body hcl.Body, spec hcldec.Spec) []hcl.Traversal {
|
|
rootNode := WalkVariables(body)
|
|
return walkVariablesWithHCLDec(rootNode, spec)
|
|
}
|
|
|
|
// ExpandVariablesHCLDec is like VariablesHCLDec but it includes only the
|
|
// minimal set of variables required to call Expand, ignoring variables that
|
|
// are referenced only inside normal block contents. See WalkExpandVariables
|
|
// for more information.
|
|
func ExpandVariablesHCLDec(body hcl.Body, spec hcldec.Spec) []hcl.Traversal {
|
|
rootNode := WalkExpandVariables(body)
|
|
return walkVariablesWithHCLDec(rootNode, spec)
|
|
}
|
|
|
|
func walkVariablesWithHCLDec(node WalkVariablesNode, spec hcldec.Spec) []hcl.Traversal {
|
|
vars, children := node.Visit(hcldec.ImpliedSchema(spec))
|
|
|
|
if len(children) > 0 {
|
|
childSpecs := hcldec.ChildBlockTypes(spec)
|
|
for _, child := range children {
|
|
if childSpec, exists := childSpecs[child.BlockTypeName]; exists {
|
|
vars = append(vars, walkVariablesWithHCLDec(child.Node, childSpec)...)
|
|
}
|
|
}
|
|
}
|
|
|
|
return vars
|
|
}
|