prometheus/mysqld_exporter
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Introduce Scraper interface

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Signed-off-by: Kamil Dziedzic <arvenil@klecza.pl>
This commit is contained in:
Kamil Dziedzic
2018-02-01 23:33:02 +01:00
parent f76ef420f1
commit f556a61867
47 changed files with 604 additions and 540 deletions
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15
collector/binlog.go
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@ -38,7 +38,20 @@ var (
)
// ScrapeBinlogSize colects from `SHOW BINARY LOGS`.
func ScrapeBinlogSize(db *sql.DB, ch chan<- prometheus.Metric) error {
type ScrapeBinlogSize struct{}
// Name of the Scraper. Should be unique.
func (ScrapeBinlogSize) Name() string {
return "binlog_size"
}
// Help describes the role of the Scraper.
func (ScrapeBinlogSize) Help() string {
return "Collect the current size of all registered binlog files"
}
// Scrape collects data from database connection and sends it over channel as prometheus metric.
func (ScrapeBinlogSize) Scrape(db *sql.DB, ch chan<- prometheus.Metric) error {
var logBin uint8
err := db.QueryRow(logbinQuery).Scan(&logBin)
if err != nil {