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

   1 package terraform
   2
   3 import (
   4         "github.com/hashicorp/terraform/tfdiags"
   5 )
   6
   7 // EvalSequence is an EvalNode that evaluates in sequence.
   8 type EvalSequence struct {
   9         Nodes []EvalNode
  10 }
  11
  12 func (n *EvalSequence) Eval(ctx EvalContext) (interface{}, error) {
  13         var diags tfdiags.Diagnostics
  14
  15         for _, n := range n.Nodes {
  16                 if n == nil {
  17                         continue
  18                 }
  19
  20                 if _, err := EvalRaw(n, ctx); err != nil {
  21                         if _, isEarlyExit := err.(EvalEarlyExitError); isEarlyExit {
  22                                 // In this path we abort early, losing any non-error
  23                                 // diagnostics we saw earlier.
  24                                 return nil, err
  25                         }
  26                         diags = diags.Append(err)
  27                         if diags.HasErrors() {
  28                                 // Halt if we get some errors, but warnings are okay.
  29                                 break
  30                         }
  31                 }
  32         }
  33
  34         return nil, diags.ErrWithWarnings()
  35 }
  36
  37 // EvalNodeFilterable impl.
  38 func (n *EvalSequence) Filter(fn EvalNodeFilterFunc) {
  39         for i, node := range n.Nodes {
  40                 n.Nodes[i] = fn(node)
  41         }
  42 }