mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-23 23:50:12 -06:00
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package tofu
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import (
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"log"
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"github.com/opentofu/opentofu/internal/addrs"
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"github.com/opentofu/opentofu/internal/configs"
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"github.com/opentofu/opentofu/internal/dag"
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)
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// GraphNodeAttachResourceConfig is an interface that must be implemented by nodes
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// that want resource configurations attached.
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type GraphNodeAttachResourceConfig interface {
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GraphNodeConfigResource
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// Sets the configuration
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AttachResourceConfig(*configs.Resource)
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}
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// AttachResourceConfigTransformer goes through the graph and attaches
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// resource configuration structures to nodes that implement
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// GraphNodeAttachManagedResourceConfig or GraphNodeAttachDataResourceConfig.
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//
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// The attached configuration structures are directly from the configuration.
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// If they're going to be modified, a copy should be made.
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type AttachResourceConfigTransformer struct {
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Config *configs.Config // Config is the root node in the config tree
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}
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func (t *AttachResourceConfigTransformer) Transform(g *Graph) error {
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// Go through and find GraphNodeAttachResource
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for _, v := range g.Vertices() {
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// Only care about GraphNodeAttachResource implementations
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arn, ok := v.(GraphNodeAttachResourceConfig)
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if !ok {
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continue
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}
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// Determine what we're looking for
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addr := arn.ResourceAddr()
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// Get the configuration.
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config := t.Config.Descendent(addr.Module)
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if config == nil {
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log.Printf("[TRACE] AttachResourceConfigTransformer: %q (%T) has no configuration available", dag.VertexName(v), v)
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continue
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}
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var m map[string]*configs.Resource
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if addr.Resource.Mode == addrs.ManagedResourceMode {
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m = config.Module.ManagedResources
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} else if addr.Resource.Mode == addrs.DataResourceMode {
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m = config.Module.DataResources
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} else {
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panic("unknown resource mode: " + addr.Resource.Mode.String())
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}
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coord := addr.Resource.String()
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if r, ok := m[coord]; ok && r.Addr() == addr.Resource {
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log.Printf("[TRACE] AttachResourceConfigTransformer: attaching to %q (%T) config from %#v", dag.VertexName(v), v, r.DeclRange)
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arn.AttachResourceConfig(r)
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if gnapmc, ok := v.(GraphNodeAttachProviderMetaConfigs); ok {
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log.Printf("[TRACE] AttachResourceConfigTransformer: attaching provider meta configs to %s", dag.VertexName(v))
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if config.Module.ProviderMetas != nil {
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gnapmc.AttachProviderMetaConfigs(config.Module.ProviderMetas)
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} else {
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log.Printf("[TRACE] AttachResourceConfigTransformer: no provider meta configs available to attach to %s", dag.VertexName(v))
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}
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}
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}
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}
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return nil
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}
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