var.backup_plan_config_aurora.restore_testing_overrides optional but passed to jsondecode() making it mandatory

[nomad3k]

Is there an existing issue for this?

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Current Behavior

The variable backup_plan_config_aurora has a property restore_testing_overrides which is listed as optional(str) variables.tf#315 but is then used in jsondecode() in locals.tf#15 without checking for it's nullability.

Expected Behavior

Either the variable should be mandatory or the jsondecode should check for null values.

Steps To Reproduce

using 1.3.0-rc2

Using the example triggers this issue:

  backup_plan_config_aurora = {
    "compliance_resource_types" : [
      "Aurora"
    ],
    "rules" : [
    ],
    "enable" : false,
    "selection_tag" : "NHSE-Enable-Backup"
  }

Output

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