opentofu/internal/configs/import.go

79 lines
1.9 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package configs
import (
"github.com/hashicorp/hcl/v2"
"github.com/opentofu/opentofu/internal/addrs"
)
type Import struct {
ID hcl.Expression
To addrs.AbsResourceInstance
ProviderConfigRef *ProviderConfigRef
Provider addrs.Provider
DeclRange hcl.Range
ProviderDeclRange hcl.Range
}
func decodeImportBlock(block *hcl.Block) (*Import, hcl.Diagnostics) {
var diags hcl.Diagnostics
imp := &Import{
DeclRange: block.DefRange,
}
content, moreDiags := block.Body.Content(importBlockSchema)
diags = append(diags, moreDiags...)
if attr, exists := content.Attributes["id"]; exists {
imp.ID = attr.Expr
}
if attr, exists := content.Attributes["to"]; exists {
traversal, traversalDiags := hcl.AbsTraversalForExpr(attr.Expr)
diags = append(diags, traversalDiags...)
if !traversalDiags.HasErrors() {
to, toDiags := addrs.ParseAbsResourceInstance(traversal)
diags = append(diags, toDiags.ToHCL()...)
imp.To = to
}
}
if attr, exists := content.Attributes["provider"]; exists {
if len(imp.To.Module) > 0 {
diags = append(diags, &hcl.Diagnostic{
Severity: hcl.DiagError,
Summary: "Invalid import provider argument",
Detail: "The provider argument can only be specified in import blocks that will generate configuration.\n\nUse the providers argument within the module block to configure providers for all resources within a module, including imported resources.",
Subject: attr.Range.Ptr(),
})
}
var providerDiags hcl.Diagnostics
imp.ProviderConfigRef, providerDiags = decodeProviderConfigRef(attr.Expr, "provider")
imp.ProviderDeclRange = attr.Range
diags = append(diags, providerDiags...)
}
return imp, diags
}
var importBlockSchema = &hcl.BodySchema{
Attributes: []hcl.AttributeSchema{
{
Name: "provider",
},
{
Name: "id",
Required: true,
},
{
Name: "to",
Required: true,
},
},
}