Merge pull request #4746 from hashicorp/b-detect-weird-json
config: detect provisioner-only resource in JSON and error [GH-4385]
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585d0943d9
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@ -405,6 +405,15 @@ func loadResourcesHcl(list *ast.ObjectList) ([]*Resource, error) {
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// Now go over all the types and their children in order to get
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// all of the actual resources.
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for _, item := range list.Items {
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// GH-4385: We detect a pure provisioner resource and give the user
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// an error about how to do it cleanly.
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if len(item.Keys) == 4 && item.Keys[2].Token.Value().(string) == "provisioner" {
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return nil, fmt.Errorf(
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"position %s: provisioners in a resource should be wrapped in a list\n\n"+
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"Example: \"provisioner\": [ { \"local-exec\": ... } ]",
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item.Pos())
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}
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if len(item.Keys) != 2 {
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return nil, fmt.Errorf(
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"position %s: resource must be followed by exactly two strings, a type and a name",
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