/
serve_import.go
154 lines (126 loc) · 4.83 KB
/
serve_import.go
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package tfsdk
import (
"context"
"github.com/hashicorp/terraform-plugin-framework/diag"
"github.com/hashicorp/terraform-plugin-framework/internal/logging"
"github.com/hashicorp/terraform-plugin-go/tfprotov6"
"github.com/hashicorp/terraform-plugin-go/tftypes"
)
// importedResource represents a resource that was imported.
//
// This type is not exported as the framework import implementation is
// currently designed for the most common use case of single resource import.
type importedResource struct {
Private []byte
State State
TypeName string
}
func (r importedResource) toTfprotov6(ctx context.Context) (*tfprotov6.ImportedResource, diag.Diagnostics) {
var diags diag.Diagnostics
irProto6 := &tfprotov6.ImportedResource{
Private: r.Private,
TypeName: r.TypeName,
}
stateProto6, err := tfprotov6.NewDynamicValue(r.State.Schema.TerraformType(ctx), r.State.Raw)
if err != nil {
diags.AddError(
"Error converting imported resource response",
"An unexpected error was encountered when converting the imported resource response to a usable type. This is always a problem with the provider. Please give the following information to the provider developer:\n\n"+err.Error(),
)
return nil, diags
}
irProto6.State = &stateProto6
return irProto6, diags
}
// importResourceStateResponse is a thin abstraction to allow native Diagnostics usage
type importResourceStateResponse struct {
Diagnostics diag.Diagnostics
ImportedResources []importedResource
}
func (r importResourceStateResponse) toTfprotov6(ctx context.Context) *tfprotov6.ImportResourceStateResponse {
resp := &tfprotov6.ImportResourceStateResponse{
Diagnostics: r.Diagnostics.ToTfprotov6Diagnostics(),
}
for _, ir := range r.ImportedResources {
irProto6, diags := ir.toTfprotov6(ctx)
resp.Diagnostics = append(resp.Diagnostics, diags.ToTfprotov6Diagnostics()...)
if diags.HasError() {
continue
}
resp.ImportedResources = append(resp.ImportedResources, irProto6)
}
return resp
}
func (s *server) importResourceState(ctx context.Context, req *tfprotov6.ImportResourceStateRequest, resp *importResourceStateResponse) {
resourceType, diags := s.getResourceType(ctx, req.TypeName)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
resourceSchema, diags := resourceType.GetSchema(ctx)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
resource, diags := resourceType.NewResource(ctx, s.p)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
resourceWithImportState, ok := resource.(ResourceWithImportState)
if !ok {
// If there is a feature request for customizing this messaging,
// provider developers can implement a ImportState method that
// immediately returns a custom error diagnostic.
//
// However, implementing the ImportState method could cause issues
// with automated documentation generation, which likely would check
// if the resource implements the ResourceWithImportState interface.
// Instead, a separate "ResourceWithoutImportState" interface could be
// created with a method such as:
// ImportNotImplementedMessage(context.Context) string.
resp.Diagnostics.AddError(
"Resource Import Not Implemented",
"This resource does not support import. Please contact the provider developer for additional information.",
)
return
}
emptyState := tftypes.NewValue(resourceSchema.TerraformType(ctx), nil)
importReq := ImportResourceStateRequest{
ID: req.ID,
}
importResp := ImportResourceStateResponse{
State: State{
Raw: emptyState,
Schema: resourceSchema,
},
}
logging.FrameworkDebug(ctx, "Calling provider defined ImportState")
resourceWithImportState.ImportState(ctx, importReq, &importResp)
logging.FrameworkDebug(ctx, "Called provider defined ImportState")
resp.Diagnostics.Append(importResp.Diagnostics...)
if resp.Diagnostics.HasError() {
return
}
if importResp.State.Raw.Equal(emptyState) {
resp.Diagnostics.AddError(
"Missing Resource Import State",
"An unexpected error was encountered when importing the resource. This is always a problem with the provider. Please give the following information to the provider developer:\n\n"+
"Resource ImportState method returned no State in response. If import is intentionally not supported, call the ResourceImportStateNotImplemented() function or return an error.",
)
return
}
resp.ImportedResources = []importedResource{
{
State: importResp.State,
TypeName: req.TypeName,
},
}
}
// ImportResourceState satisfies the tfprotov6.ProviderServer interface.
func (s *server) ImportResourceState(ctx context.Context, req *tfprotov6.ImportResourceStateRequest) (*tfprotov6.ImportResourceStateResponse, error) {
ctx = s.registerContext(ctx)
resp := &importResourceStateResponse{}
s.importResourceState(ctx, req, resp)
return resp.toTfprotov6(ctx), nil
}