Error-Budget

• BudgetExhausted

  A rollout is frozen because the service is out of its SLO error budget.

• BudgetSourceUnavailable

  A metric source for an error-budget freeze or a promotion analysis could not be read.

• Error-budget freeze

  Freeze new-revision rollouts while a service is out of its SLO error budget, resuming on its own when it recovers.