prometheus/mysqld_exporter
1
0
Fork 0
mirror of https://github.com/prometheus/mysqld_exporter.git synced 2025-07-30 06:43:05 +03:00
Code Activity

Add minimal MySQL version to Scraper interface (#328)

Browse Source 
* Add Version method to Scraper interface.
* Skip scrapers for unsupported MySQL versions.

Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@percona.com>
This commit is contained in:
Alexey Palazhchenko
2018-10-29 18:35:38 +03:00
committed by Ben Kochie
parent ff14a3d4cb
commit 1465a0b0e0
30 changed files with 267 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
collector/global_variables.go
View File

@ -131,6 +131,11 @@ func (ScrapeGlobalVariables) Help() string {
return "Collect from SHOW GLOBAL VARIABLES"
}
// Version of MySQL from which scraper is available.
func (ScrapeGlobalVariables) Version() float64 {
return 5.1
}
// Scrape collects data from database connection and sends it over channel as prometheus metric.
func (ScrapeGlobalVariables) Scrape(ctx context.Context, db *sql.DB, ch chan<- prometheus.Metric) error {
globalVariablesRows, err := db.QueryContext(ctx, globalVariablesQuery)
@ -227,3 +232,6 @@ func validPrometheusName(s string) string {
s = strings.ToLower(s)
return s
}
// check interface
var _ Scraper = ScrapeGlobalVariables{}