45 lines
1.0 KiB
Go
45 lines
1.0 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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// RemovedModuleTransformer implements GraphTransformer to add nodes indicating
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// when a module was removed from the configuration.
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type RemovedModuleTransformer struct {
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Config *configs.Config // root node in the config tree
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State *states.State
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}
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func (t *RemovedModuleTransformer) Transform(g *Graph) error {
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// nothing to remove if there's no state!
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if t.State == nil {
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return nil
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}
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removed := map[string]addrs.Module{}
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for _, m := range t.State.Modules {
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cc := t.Config.DescendentForInstance(m.Addr)
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if cc != nil {
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continue
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}
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removed[m.Addr.Module().String()] = m.Addr.Module()
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log.Printf("[DEBUG] %s is no longer in configuration\n", m.Addr)
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}
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// add closers to collect any module instances we're removing
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for _, modAddr := range removed {
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closer := &nodeCloseModule{
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Addr: modAddr,
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}
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g.Add(closer)
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}
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return nil
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}
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