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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>
75 lines
1.9 KiB
Go
75 lines
1.9 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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"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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)
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// OutputTransformer is a GraphTransformer that adds all the outputs
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// in the configuration to the graph.
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//
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// This is done for the apply graph builder even if dependent nodes
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// aren't changing since there is no downside: the state will be available
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// even if the dependent items aren't changing.
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type OutputTransformer struct {
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Config *configs.Config
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// Refresh-only mode means that any failing output preconditions are
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// reported as warnings rather than errors
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RefreshOnly bool
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// Planning must be set to true only when we're building a planning graph.
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// It must be set to false whenever we're building an apply graph.
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Planning bool
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// If this is a planned destroy, root outputs are still in the configuration
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// so we need to record that we wish to remove them.
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Destroying bool
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}
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func (t *OutputTransformer) Transform(_ context.Context, g *Graph) error {
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return t.transform(g, t.Config)
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}
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func (t *OutputTransformer) transform(g *Graph, c *configs.Config) error {
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// If we have no config then there can be no outputs.
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if c == nil {
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return nil
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}
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// Transform all the children. We must do this first because
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// we can reference module outputs and they must show up in the
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// reference map.
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for _, cc := range c.Children {
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if err := t.transform(g, cc); err != nil {
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return err
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}
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}
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for _, o := range c.Module.Outputs {
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addr := addrs.OutputValue{Name: o.Name}
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node := &nodeExpandOutput{
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Addr: addr,
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Module: c.Path,
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Config: o,
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Destroying: t.Destroying,
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RefreshOnly: t.RefreshOnly,
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Planning: t.Planning,
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}
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log.Printf("[TRACE] OutputTransformer: adding %s as %T", o.Name, node)
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g.Add(node)
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}
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return nil
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}
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