perconacollector

type ColumnMapping ¶

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

ColumnMapping is the user-friendly representation of a prometheus descriptor map.

func (cm *ColumnMapping) UnmarshalYAML(unmarshal func(interface{}) error) error

type ColumnUsage ¶

type ColumnUsage int

ColumnUsage should be one of several enum values which describe how a queried row is to be converted to a Prometheus metric.

func (cu *ColumnUsage) UnmarshalYAML(unmarshal func(interface{}) error) error

type CustomQuery ¶

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

CustomQuery - contains MySQL query parsed from YAML file.

type MetricMap ¶

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

MetricMap stores the prometheus metric description which a given column will be mapped to by the collector.

type MetricMapNamespace ¶

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

MetricMapNamespace groups metric maps under a shared set of labels.

type MetricResolution ¶

type MetricResolution string

const (
	LR MetricResolution = "lr"
	MR MetricResolution = "mr"
	HR MetricResolution = "hr"
)

type ScrapeCustomQuery ¶

type ScrapeCustomQuery struct {
	Resolution MetricResolution
}

ScrapeCustomQuery colects the metrics from custom queries.

func (scq ScrapeCustomQuery) Help() string

func (scq ScrapeCustomQuery) Name() string

func (scq ScrapeCustomQuery) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric, logger log.Logger) error

func (scq ScrapeCustomQuery) Version() float64

type ScrapeGlobalStatus ¶

type ScrapeGlobalStatus struct{}

ScrapeGlobalStatus collects from `SHOW GLOBAL STATUS`.

func (ScrapeGlobalStatus) Help() string

func (ScrapeGlobalStatus) Name() string

func (ScrapeGlobalStatus) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric, logger log.Logger) error

func (ScrapeGlobalStatus) Version() float64

type ScrapeInnodbCmp ¶

type ScrapeInnodbCmp struct{}

ScrapeInnodbCmp collects from `information_schema.innodb_cmp`.

func (ScrapeInnodbCmp) Help() string

func (ScrapeInnodbCmp) Name() string

func (ScrapeInnodbCmp) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric, logger log.Logger) error

func (ScrapeInnodbCmp) Version() float64

type ScrapeInnodbCmpMem ¶

type ScrapeInnodbCmpMem struct{}

ScrapeInnodbCmp collects from `information_schema.innodb_cmp`.

func (ScrapeInnodbCmpMem) Help() string

func (ScrapeInnodbCmpMem) Name() string

func (ScrapeInnodbCmpMem) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric, logger log.Logger) error

func (ScrapeInnodbCmpMem) Version() float64

type ScrapeProcesslist ¶

type ScrapeProcesslist struct{}

ScrapeProcesslist collects from `information_schema.processlist`.

func (ScrapeProcesslist) Help() string

func (ScrapeProcesslist) Name() string

func (ScrapeProcesslist) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric, logger log.Logger) error

func (ScrapeProcesslist) Version() float64