54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package terraform
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import (
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"log"
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"github.com/hashicorp/terraform/configs"
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)
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// OrphanOutputTransformer finds the outputs that aren't present
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// in the given config that are in the state and adds them to the graph
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// for deletion.
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type OrphanOutputTransformer struct {
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Config *configs.Config // Root of config tree
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State *State // State is the root state
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}
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func (t *OrphanOutputTransformer) Transform(g *Graph) error {
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if t.State == nil {
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log.Printf("[DEBUG] No state, no orphan outputs")
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return nil
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}
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for _, ms := range t.State.Modules {
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if err := t.transform(g, ms); err != nil {
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return err
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}
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}
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return nil
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}
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func (t *OrphanOutputTransformer) transform(g *Graph, ms *ModuleState) error {
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if ms == nil {
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return nil
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}
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moduleAddr := normalizeModulePath(ms.Path)
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// Get the config for this path, which is nil if the entire module has been
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// removed.
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var outputs map[string]*configs.Output
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if c := t.Config.DescendentForInstance(moduleAddr); c != nil {
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outputs = c.Module.Outputs
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}
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// add all the orphaned outputs to the graph
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for _, addr := range ms.RemovedOutputs(outputs) {
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g.Add(&NodeOutputOrphan{
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Addr: addr.Absolute(moduleAddr),
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})
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}
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return nil
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}
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