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transform_module.go
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transform_module.go
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package terraform
import (
"fmt"
"github.com/hashicorp/terraform/dag"
)
// ModuleDestroyTransformer is a GraphTransformer that adds a node
// to the graph that will just mark the full module for destroy in
// the destroy scenario.
type ModuleDestroyTransformer struct{}
func (t *ModuleDestroyTransformer) Transform(g *Graph) error {
// Create the node
n := &graphNodeModuleDestroy{Path: g.Path}
// Add it to the graph. We don't need any edges because
// it can happen whenever.
g.Add(n)
return nil
}
type graphNodeModuleDestroy struct {
Path []string
}
func (n *graphNodeModuleDestroy) Name() string {
return "plan-destroy"
}
// GraphNodeEvalable impl.
func (n *graphNodeModuleDestroy) EvalTree() EvalNode {
return &EvalOpFilter{
Ops: []walkOperation{walkPlanDestroy},
Node: &EvalDiffDestroyModule{Path: n.Path},
}
}
// GraphNodeFlattenable impl.
func (n *graphNodeModuleDestroy) Flatten(p []string) (dag.Vertex, error) {
return &graphNodeModuleDestroyFlat{
graphNodeModuleDestroy: n,
PathValue: p,
}, nil
}
type graphNodeModuleDestroyFlat struct {
*graphNodeModuleDestroy
PathValue []string
}
func (n *graphNodeModuleDestroyFlat) Name() string {
return fmt.Sprintf(
"%s.%s", modulePrefixStr(n.PathValue), n.graphNodeModuleDestroy.Name())
}
func (n *graphNodeModuleDestroyFlat) Path() []string {
return n.PathValue
}