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/slave_status.go
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@ -36,7 +36,20 @@ func columnValue(scanArgs []interface{}, slaveCols []string, colName string) str
}
// ScrapeSlaveStatus collects from `SHOW SLAVE STATUS`.
func ScrapeSlaveStatus(db *sql.DB, ch chan<- prometheus.Metric) error {
type ScrapeSlaveStatus struct{}
// Name of the Scraper. Should be unique.
func (ScrapeSlaveStatus) Name() string {
return slaveStatus
}
// Help describes the role of the Scraper.
func (ScrapeSlaveStatus) Help() string {
return "Collect from SHOW SLAVE STATUS"
}
// Scrape collects data from database connection and sends it over channel as prometheus metric.
func (ScrapeSlaveStatus) Scrape(db *sql.DB, ch chan<- prometheus.Metric) error {
var (
slaveStatusRows *sql.Rows
err error