sql_exporter

type Collector interface {
	// Collect is the equivalent of prometheus.Collector.Collect() but takes a context to run in and a database to run on.
	Collect(context.Context, *sql.DB, chan<- Metric)
	// Close releases any resources held by the collector (e.g. prepared statements).
	Close() error
}

type Exporter interface {
	prometheus.Gatherer

	// WithContext returns a (single use) copy of the Exporter, which will use the provided context for Gather() calls.
	WithContext(context.Context) Exporter
	// Config returns the Exporter's underlying Config object.
	Config() *config.Config
	// Globals returns the current global settings. Scrapes read them while a reload may replace them, so they read
	// them here and not from Config().
	Globals() *config.GlobalConfig
	// UpdateGlobals replaces the global settings.
	UpdateGlobals(*config.GlobalConfig)
	// UpdateTarget updates the targets field
	UpdateTarget([]Target)
	// Targets returns the current list of targets.
	Targets() []Target
	// SetJobFilters sets the jobFilters field
	SetJobFilters([]string) error
	// DropErrorMetrics resets the scrape_errors_total metric
	DropErrorMetrics()
	// FilterScrapeErrorsTotal filters the scrape_errors_total metric family to only include metrics for the jobs in
	// the jobFilters list.
	FilterScrapeErrorsTotal([]*dto.MetricFamily) []*dto.MetricFamily
}

type Job interface {
	Targets() []Target
}

type Metric interface {
	Desc() MetricDesc
	Write(out *dto.Metric) errors.WithContext
}

type MetricDesc interface {
	Name() string
	Help() string
	ValueType() prometheus.ValueType
	ConstLabels() []*dto.LabelPair
	Labels() []string
	LogContext() string
}

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

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

type Target interface {
	// Collect is the equivalent of prometheus.Collector.Collect(), but takes a context to run in.
	Collect(ctx context.Context, ch chan<- Metric)
	Close() error
	JobGroup() string
}

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