/
updateTimeCheck.go
57 lines (47 loc) · 1.3 KB
/
updateTimeCheck.go
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package main
import (
"fmt"
"log"
"time"
)
func getMostRecentRowTime(clusterDB string) time.Time {
con, err := getDBConn()
defer con.Close()
if err != nil {
log.Fatal(err)
}
resultRows, err := con.Query(fmt.Sprintf("SELECT MAX(`submission_time`) AS `max_sub_time`, MAX(`end_time`) AS `max_end_time` FROM (SELECT * FROM `%s`.`accounting` ORDER BY id DESC LIMIT 1000) AS t", clusterDB))
if err != nil {
log.Fatal(err)
}
var maxSubTime int
var maxEndTime int
// Normally we'd iterate over rows but this will only ever return 1.
resultRows.Next()
err = resultRows.Scan(&maxSubTime, &maxEndTime)
if err != nil {
log.Fatal(err)
}
resultRows.Close()
var maxTimestamp int
if maxEndTime > maxSubTime {
maxTimestamp = maxEndTime
} else {
maxTimestamp = maxSubTime
}
// The 0 is for nanoseconds, we don't record those.
maxTime := time.Unix(int64(maxTimestamp), 0)
return maxTime
}
func getDurationSinceMostRecentRow(clusterDB string) time.Duration {
t := getMostRecentRowTime(clusterDB)
d := time.Since(t)
return d
}
func warnAboutDBTime(clusterDB string) {
// NB: Hours() returns a float
d := getDurationSinceMostRecentRow(clusterDB)
if d.Hours() > 1 {
log.Printf("Warning: most recent entry in database is over %.0f hours old. Job data updates may have been paused.\n", d.Hours())
}
}