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check resource config for unknowns during apply 

Now that the most common cause of unknowns (invalid resource indexes) is
caught earlier, we can validate that the final apply config is wholly
known before attempting to apply it. This ensures that we're applying
the configuration we intend, and not silently dropping values.
This commit is contained in:
James Bardin 2019-09-19 10:56:21 -04:00
parent d4031918d1
commit fed4e82c25
1 changed files with 7 additions and 0 deletions
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7
terraform/eval_apply.go
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@ -70,6 +70,13 @@ func (n *EvalApply) Eval(ctx EvalContext) (interface{}, error) {
}
}
if !configVal.IsWhollyKnown() {
return nil, fmt.Errorf(
"configuration for %s still contains unknown values during apply (this is a bug in Terraform; please report it!)",
absAddr,
)
}
log.Printf("[DEBUG] %s: applying the planned %s change", n.Addr.Absolute(ctx.Path()), change.Action)
resp := provider.ApplyResourceChange(providers.ApplyResourceChangeRequest{
TypeName: n.Addr.Resource.Type,