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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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16
collector/info_schema_innodb_cmp.go
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@ -14,6 +14,7 @@ const innodbCmpQuery = `
FROM information_schema.innodb_cmp
`
// Metric descriptors.
var (
infoSchemaInnodbCmpCompressOps = prometheus.NewDesc(
prometheus.BuildFQName(namespace, informationSchema, "innodb_cmp_compress_ops_total"),
@ -43,7 +44,20 @@ var (
)
// ScrapeInnodbCmp collects from `information_schema.innodb_cmp`.
func ScrapeInnodbCmp(db *sql.DB, ch chan<- prometheus.Metric) error {
type ScrapeInnodbCmp struct{}
// Name of the Scraper. Should be unique.
func (ScrapeInnodbCmp) Name() string {
return informationSchema + ".innodb_cmp"
}
// Help describes the role of the Scraper.
func (ScrapeInnodbCmp) Help() string {
return "Collect metrics from information_schema.innodb_cmp"
}
// Scrape collects data from database connection and sends it over channel as prometheus metric.
func (ScrapeInnodbCmp) Scrape(db *sql.DB, ch chan<- prometheus.Metric) error {
informationSchemaInnodbCmpRows, err := db.Query(innodbCmpQuery)
if err != nil {