RepoMirrors/postgres_exporter
1
0
Fork 0
mirror of https://github.com/prometheus-community/postgres_exporter synced 2025-04-11 03:31:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Ensure pg_up is always set to 0 when the initial database connection fails.

Browse Source 
This did in fact turn out to be an oversight in the error handling. Now, any
error in the initial connection path will always trip pg_up to be 0.

Fixes #160
This commit is contained in:
Will Rouesnel 2018-03-06 08:36:24 +11:00
parent 989489096e
commit 4117fb2afc
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
cmd/postgres_exporter/postgres_exporter.go
View File

@ -969,15 +969,12 @@ func (e *Exporter) getDB(conn string) (*sql.DB, error) {
if e.dbConnection == nil {
d, err := sql.Open("postgres", conn)
if err != nil {
e.psqlUp.Set(0)
return nil, err
}
err = d.Ping()
if err != nil {
e.psqlUp.Set(0)
return nil, err
}
e.psqlUp.Set(1)
d.SetMaxOpenConns(1)
d.SetMaxIdleConns(1)
@ -1011,6 +1008,7 @@ func (e *Exporter) scrape(ch chan<- prometheus.Metric) {
}
log.Infof("Error opening connection to database (%s): %s", loggableDsn, err)
e.error.Set(1)
e.psqlUp.Set(0) // Force "up" to 0 here.
return
}