alert

type FSWindowsRepo struct {
	// contains filtered or unexported fields
}

type FSWindowsRepoConfig struct {
	FS     fs.FS
	Logger log.Logger
}

type Generator struct {
	// contains filtered or unexported fields
}

type SLO struct {
	ID         string
	TimeWindow time.Duration
	Objective  float64
}

type Window struct {
	// ErrorBudgetPercent is the error budget % consumed for a full time window.
	// Google gives us some defaults in its SRE workbook that work correctly most of the times:
	// - Page quick:   2%
	// - Page slow:    5%
	// - Ticket quick: 10%
	// - Ticket slow:  10%
	ErrorBudgetPercent float64
	// ShortWindow is the small window used on the alerting part to stop alerting
	// during a long window because we consumed a lot of error budget but the problem
	// is already gone.
	ShortWindow time.Duration
	// LongWindow is the long window used to alert based on the errors happened on that
	// long window.
	LongWindow time.Duration
}

type Windows struct {
	SLOPeriod   time.Duration
	PageQuick   Window
	PageSlow    Window
	TicketQuick Window
	TicketSlow  Window
}

type WindowsRepo interface {
	GetWindows(ctx context.Context, period time.Duration) (*Windows, error)
}