// Calculate a risk scenario, uses information from the RRA
func riskRRAScenario(op opContext, rs *slib.RRAServiceRisk, src slib.RRAAttribute, desc string) error {
newscen := slib.RiskScenario{
Name: "RRA derived risk for " + desc,
Coverage: "none",
NoData: true,
}
if src.Impact != 0 && src.Probability != 0 {
// Cap the maximum probability we will use on the RRA at 2.0 (MEDIUM).
// Some older RRAs (and some new ones) don't have correct probability
// values set; once these are revisted we might be able to remove the
// cap but for now set it to 2.
if src.Probability > 2 {
newscen.Probability = 2
} else {
newscen.Probability = src.Probability
}
newscen.Impact = src.Impact
newscen.Score = newscen.Impact * newscen.Probability
newscen.Coverage = "complete"
newscen.NoData = false
}
err := newscen.Validate()
if err != nil {
return err
}
rs.Scenarios = append(rs.Scenarios, newscen)
return nil
}
