terraform/internal/terraform/transform_variable.go

44 lines
1015 B
Go

package terraform
import (
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/configs"
)
// RootVariableTransformer is a GraphTransformer that adds all the root
// variables to the graph.
//
// Root variables are currently no-ops but they must be added to the
// graph since downstream things that depend on them must be able to
// reach them.
type RootVariableTransformer struct {
Config *configs.Config
RawValues InputValues
}
func (t *RootVariableTransformer) Transform(g *Graph) error {
// We can have no variables if we have no config.
if t.Config == nil {
return nil
}
// We're only considering root module variables here, since child
// module variables are handled by ModuleVariableTransformer.
vars := t.Config.Module.Variables
// Add all variables here
for _, v := range vars {
node := &NodeRootVariable{
Addr: addrs.InputVariable{
Name: v.Name,
},
Config: v,
RawValue: t.RawValues[v.Name],
}
g.Add(node)
}
return nil
}