41 lines
785 B
Go
41 lines
785 B
Go
package terraform
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import (
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"github.com/hashicorp/terraform/config/module"
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)
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// RootVariableTransformer is a GraphTransformer that adds all the root
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// variables to the graph.
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//
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// Root variables are currently no-ops but they must be added to the
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// graph since downstream things that depend on them must be able to
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// reach them.
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type RootVariableTransformer struct {
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Module *module.Tree
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}
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func (t *RootVariableTransformer) Transform(g *Graph) error {
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// If no config, no variables
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if t.Module == nil {
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return nil
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}
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// If we have no vars, we're done!
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vars := t.Module.Config().Variables
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if len(vars) == 0 {
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return nil
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}
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// Add all variables here
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for _, v := range vars {
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node := &NodeRootVariable{
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Config: v,
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}
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// Add it!
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g.Add(node)
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}
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return nil
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}
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