vendor/github.com/hashicorp/terraform/terraform/transform_import_provider.go

   1 package terraform
   2
   3 import (
   4         "fmt"
   5
   6         "github.com/hashicorp/hcl2/hcl"
   7         "github.com/hashicorp/terraform/addrs"
   8         "github.com/hashicorp/terraform/tfdiags"
   9 )
  10
  11 // ImportProviderValidateTransformer is a GraphTransformer that goes through
  12 // the providers in the graph and validates that they only depend on variables.
  13 type ImportProviderValidateTransformer struct{}
  14
  15 func (t *ImportProviderValidateTransformer) Transform(g *Graph) error {
  16         var diags tfdiags.Diagnostics
  17
  18         for _, v := range g.Vertices() {
  19                 // We only care about providers
  20                 pv, ok := v.(GraphNodeProvider)
  21                 if !ok {
  22                         continue
  23                 }
  24
  25                 // We only care about providers that reference things
  26                 rn, ok := pv.(GraphNodeReferencer)
  27                 if !ok {
  28                         continue
  29                 }
  30
  31                 for _, ref := range rn.References() {
  32                         if _, ok := ref.Subject.(addrs.InputVariable); !ok {
  33                                 diags = diags.Append(&hcl.Diagnostic{
  34                                         Severity: hcl.DiagError,
  35                                         Summary:  "Invalid provider dependency for import",
  36                                         Detail:   fmt.Sprintf("The configuration for %s depends on %s. Providers used with import must either have literal configuration or refer only to input variables.", pv.ProviderAddr(), ref.Subject.String()),
  37                                         Subject:  ref.SourceRange.ToHCL().Ptr(),
  38                                 })
  39                         }
  40                 }
  41         }
  42
  43         return diags.Err()
  44 }