terraform/terraform/eval_import_state.go

96 lines
2.5 KiB
Go

package terraform
import (
"fmt"
"log"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/providers"
"github.com/hashicorp/terraform/states"
"github.com/hashicorp/terraform/tfdiags"
)
// EvalImportState is an EvalNode implementation that performs an
// ImportState operation on a provider. This will return the imported
// states but won't modify any actual state.
type EvalImportState struct {
Addr addrs.ResourceInstance
Provider *providers.Interface
ID string
Output *[]providers.ImportedResource
}
// TODO: test
func (n *EvalImportState) Eval(ctx EvalContext) (interface{}, error) {
absAddr := n.Addr.Absolute(ctx.Path())
provider := *n.Provider
var diags tfdiags.Diagnostics
{
// Call pre-import hook
err := ctx.Hook(func(h Hook) (HookAction, error) {
return h.PreImportState(absAddr, n.ID)
})
if err != nil {
return nil, err
}
}
resp := provider.ImportResourceState(providers.ImportResourceStateRequest{
TypeName: n.Addr.Resource.Type,
ID: n.ID,
})
diags = diags.Append(resp.Diagnostics)
if diags.HasErrors() {
return nil, diags.Err()
}
imported := resp.ImportedResources
for _, obj := range imported {
log.Printf("[TRACE] EvalImportState: import %s %q produced instance object of type %s", absAddr.String(), n.ID, obj.TypeName)
}
if n.Output != nil {
*n.Output = imported
}
{
// Call post-import hook
err := ctx.Hook(func(h Hook) (HookAction, error) {
return h.PostImportState(absAddr, imported)
})
if err != nil {
return nil, err
}
}
return nil, nil
}
// EvalImportStateVerify verifies the state after ImportState and
// after the refresh to make sure it is non-nil and valid.
type EvalImportStateVerify struct {
Addr addrs.ResourceInstance
State **states.ResourceInstanceObject
}
// TODO: test
func (n *EvalImportStateVerify) Eval(ctx EvalContext) (interface{}, error) {
var diags tfdiags.Diagnostics
state := *n.State
if state.Value.IsNull() {
diags = diags.Append(tfdiags.Sourceless(
tfdiags.Error,
"Cannot import non-existent remote object",
fmt.Sprintf(
"While attempting to import an existing object to %s, the provider detected that no object exists with the given id. Only pre-existing objects can be imported; check that the id is correct and that it is associated with the provider's configured region or endpoint, or use \"terraform apply\" to create a new remote object for this resource.",
n.Addr.String(),
),
))
}
return nil, diags.ErrWithWarnings()
}