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correctly evaluate self in for_each resources 

The fallback type for GetResource from an EachMap is a cty.Object,
because resource schemas may contain dynamically typed attributes.
Check for an Object type in the evaluation of self, to use the proper
GetAttr method when extracting the value.
This commit is contained in:
James Bardin 2019-10-28 15:36:04 -04:00
parent f11c836181
commit 3839405d3d
1 changed files with 7 additions and 3 deletions
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10
lang/eval.go
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@ -240,15 +240,19 @@ func (s *Scope) evalContext(refs []*addrs.Reference, selfAddr addrs.Referenceabl
// Self is an exception in that it must always resolve to a
// particular instance. We will still insert the full resource into
// the context below.
var hclDiags hcl.Diagnostics
// We should always have a valid self index by this point, but in
// the case of an error, self may end up as a cty.DynamicValue.
switch k := subj.Key.(type) {
case addrs.IntKey:
self = val.Index(cty.NumberIntVal(int64(k)))
self, hclDiags = hcl.Index(val, cty.NumberIntVal(int64(k)), ref.SourceRange.ToHCL().Ptr())
diags.Append(hclDiags)
case addrs.StringKey:
self = val.Index(cty.StringVal(string(k)))
self, hclDiags = hcl.Index(val, cty.StringVal(string(k)), ref.SourceRange.ToHCL().Ptr())
diags.Append(hclDiags)
default:
self = val
}
continue
}