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e4ef1fe553
This adds the proper logic for "disabling" providers to the new apply graph: interolating and storing the config for inheritance but not actually initializing and configuring the provider. This is important since parent modules will often contain incomplete provider configurations for the purpose of inheritance that would error if they were actually attempted to be configured (since they're incomplete). If the provider is not used, it should be "disabled".
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package terraform
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import (
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"fmt"
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"github.com/hashicorp/terraform/dag"
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)
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// DisableProviderTransformer "disables" any providers that are not actually
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// used by anything. This avoids the provider being initialized and configured.
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// This both saves resources but also avoids errors since configuration
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// may imply initialization which may require auth.
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type DisableProviderTransformer struct{}
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func (t *DisableProviderTransformer) Transform(g *Graph) error {
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for _, v := range g.Vertices() {
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// We only care about providers
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pn, ok := v.(GraphNodeProvider)
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if !ok || pn.ProviderName() == "" {
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continue
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}
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// If we have dependencies, then don't disable
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if g.UpEdges(v).Len() > 0 {
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continue
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}
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// Get the path
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var path []string
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if pn, ok := v.(GraphNodeSubPath); ok {
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path = pn.Path()
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}
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// Disable the provider by replacing it with a "disabled" provider
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disabled := &NodeDisabledProvider{
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NodeAbstractProvider: &NodeAbstractProvider{
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NameValue: pn.ProviderName(),
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PathValue: path,
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},
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}
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if !g.Replace(v, disabled) {
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panic(fmt.Sprintf(
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"vertex disappeared from under us: %s",
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dag.VertexName(v)))
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}
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}
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return nil
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}
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