mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-23 23:50:12 -06:00
7d94797219
Signed-off-by: Jon Johnson <jon.johnson@chainguard.dev>
74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
// Copyright (c) The OpenTofu Authors
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
// Copyright (c) 2023 HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package tofu
|
|
|
|
import (
|
|
"log"
|
|
|
|
"github.com/opentofu/opentofu/internal/addrs"
|
|
"github.com/opentofu/opentofu/internal/logging"
|
|
"github.com/opentofu/opentofu/internal/tfdiags"
|
|
)
|
|
|
|
// GraphBuilder is an interface that can be implemented and used with
|
|
// OpenTofu to build the graph that OpenTofu walks.
|
|
type GraphBuilder interface {
|
|
// Build builds the graph for the given module path. It is up to
|
|
// the interface implementation whether this build should expand
|
|
// the graph or not.
|
|
Build(addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics)
|
|
}
|
|
|
|
// BasicGraphBuilder is a GraphBuilder that builds a graph out of a
|
|
// series of transforms and (optionally) validates the graph is a valid
|
|
// structure.
|
|
type BasicGraphBuilder struct {
|
|
Steps []GraphTransformer
|
|
// Optional name to add to the graph debug log
|
|
Name string
|
|
}
|
|
|
|
func (b *BasicGraphBuilder) Build(path addrs.ModuleInstance) (*Graph, tfdiags.Diagnostics) {
|
|
var diags tfdiags.Diagnostics
|
|
g := &Graph{Path: path}
|
|
|
|
var lastStepStr string
|
|
for _, step := range b.Steps {
|
|
if step == nil {
|
|
continue
|
|
}
|
|
log.Printf("[TRACE] Executing graph transform %T", step)
|
|
|
|
err := step.Transform(g)
|
|
|
|
if logging.IsDebugOrHigher() {
|
|
if thisStepStr := g.StringWithNodeTypes(); thisStepStr != lastStepStr {
|
|
log.Printf("[TRACE] Completed graph transform %T with new graph:\n%s ------", step, logging.Indent(thisStepStr))
|
|
lastStepStr = thisStepStr
|
|
} else {
|
|
log.Printf("[TRACE] Completed graph transform %T (no changes)", step)
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
if nf, isNF := err.(tfdiags.NonFatalError); isNF {
|
|
diags = diags.Append(nf.Diagnostics)
|
|
} else {
|
|
diags = diags.Append(err)
|
|
return g, diags
|
|
}
|
|
}
|
|
}
|
|
|
|
if err := g.Validate(); err != nil {
|
|
log.Printf("[ERROR] Graph validation failed. Graph:\n\n%s", g.String())
|
|
diags = diags.Append(err)
|
|
return nil, diags
|
|
}
|
|
|
|
return g, diags
|
|
}
|