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75c7834ca6
Most of our transformers are pure compute and so don't really have a strong need to generate trace spans under our current focus of only exposing user-facing concepts and external requests in our traces, but unfortunately some of them indirectly depend on provider schema, which in turn means that they can potentially be unlucky enough to be the trigger for making all of the provider requests needed to fill the schema cache and therefore would end up with provider request spans being reported beneath them. As usual with these interface updates, this initial change focuses only on changing the interface and updating its direct callers and implementers to match, without any further refactoring or attempts to plumb contexts to or from other functions that don't have them yet. That means there are a few new context.TODO() calls here that we'll tidy up in a later commit that hopefully won't involve all of the noise that is caused by changing an interface API. Signed-off-by: Martin Atkins <mart@degeneration.co.uk>
63 lines
1.4 KiB
Go
63 lines
1.4 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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"context"
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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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// RootVariableTransformer is a GraphTransformer that adds all the root
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// variables to the graph.
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//
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// Root variables are currently no-ops but they must be added to the
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// graph since downstream things that depend on them must be able to
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// reach them.
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type RootVariableTransformer struct {
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Config *configs.Config
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RawValues InputValues
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}
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func (t *RootVariableTransformer) Transform(_ context.Context, g *Graph) error {
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// We can have no variables if we have no config.
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if t.Config == nil {
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return nil
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}
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// We're only considering root module variables here, since child
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// module variables are handled by ModuleVariableTransformer.
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vars := t.Config.Module.Variables
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// Add all variables here
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for _, v := range vars {
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node := &NodeRootVariable{
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Addr: addrs.InputVariable{
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Name: v.Name,
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},
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Config: v,
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RawValue: t.RawValues[v.Name],
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}
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g.Add(node)
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ref := &nodeVariableReference{
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Addr: addrs.InputVariable{
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Name: v.Name,
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},
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Config: v,
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}
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g.Add(ref)
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// Input must be available before reference is valid
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g.Connect(dag.BasicEdge(ref, node))
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}
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return nil
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}
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