Modify every instance of specific object in a terrafrom state

tfstate.jsonnet

local x = import 'input.tfstate';

local modifyDNSManagedZone(o) = o {
  primary+: {
    attributes+: {
      visibility: 'public',
    },
  },
};

local iter(o) =
  if std.isObject(o) then
    {
      [v]: if std.startsWith(v, 'google_dns_managed_zone.') then
        modifyDNSManagedZone(o[v])
      else
        iter(o[v])
      for v in std.objectFields(o)
    }
  else if std.isArray(o) then
    [iter(x) for x in o]
  else
    o
;


iter(x)