terraform/transform_local.go

   1 package terraform
   2
   3 import (
   4         "github.com/hashicorp/terraform/config/module"
   5 )
   6
   7 // LocalTransformer is a GraphTransformer that adds all the local values
   8 // from the configuration to the graph.
   9 type LocalTransformer struct {
  10         Module *module.Tree
  11 }
  12
  13 func (t *LocalTransformer) Transform(g *Graph) error {
  14         return t.transformModule(g, t.Module)
  15 }
  16
  17 func (t *LocalTransformer) transformModule(g *Graph, m *module.Tree) error {
  18         if m == nil {
  19                 // Can't have any locals if there's no config
  20                 return nil
  21         }
  22
  23         for _, local := range m.Config().Locals {
  24                 node := &NodeLocal{
  25                         PathValue: normalizeModulePath(m.Path()),
  26                         Config:    local,
  27                 }
  28
  29                 g.Add(node)
  30         }
  31
  32         // Also populate locals for child modules
  33         for _, c := range m.Children() {
  34                 if err := t.transformModule(g, c); err != nil {
  35                         return err
  36                 }
  37         }
  38
  39         return nil
  40 }