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36d0a50427
This is part of a general effort to move all of Terraform's non-library package surface under internal in order to reinforce that these are for internal use within Terraform only. If you were previously importing packages under this prefix into an external codebase, you could pin to an earlier release tag as an interim solution until you've make a plan to achieve the same functionality some other way.
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package terraform
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import (
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"log"
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"github.com/hashicorp/terraform/internal/addrs"
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"github.com/hashicorp/terraform/internal/configs"
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"github.com/hashicorp/terraform/internal/states"
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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 *states.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 *states.Module) error {
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if ms == nil {
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return nil
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}
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moduleAddr := ms.Addr
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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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// An output is "orphaned" if it's present in the state but not declared
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// in the configuration.
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for name := range ms.OutputValues {
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if _, exists := outputs[name]; exists {
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continue
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}
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g.Add(&NodeDestroyableOutput{
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Addr: addrs.OutputValue{Name: name}.Absolute(moduleAddr),
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})
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}
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return nil
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}
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