func c_oracle(name string, inst conf.OracleInstance) (opentsdb.MultiDataPoint, error) {
var md opentsdb.MultiDataPoint
pr, pw := io.Pipe()
errc := make(chan error, 1)
p := &sqlplusParser{
md: &md,
prefix: "oracle.",
common: opentsdb.TagSet{
"oracle_cluster": name,
},
}
args := []string{"-S", inst.ConnectionString}
if role := inst.Role; role != "" {
args = append(args, "as")
args = append(args, role)
}
go func() {
errc <- util.ReadCommandTimeout(10*time.Second, p.ParseAndAdd, pr, "sqlplus", args...)
}()
sqlplusWrite(pw)
return md, <-errc
}
func c_exim_mailq() (opentsdb.MultiDataPoint, error) {
var md opentsdb.MultiDataPoint
mailq, err := util.Command(time.Minute, nil, "/usr/bin/mailq")
if err != nil {
return nil, err
}
util.ReadCommandTimeout(time.Minute, func(line string) error {
f := strings.Fields(line)
if len(f) == 5 && f[4] == "TOTAL" {
Add(&md, "exim.mailq_count", f[0], nil, metadata.Gauge, metadata.EMail, "The number of emails in exim's mail queue.")
var multi int64 = 1
size, err := strconv.ParseInt(f[1], 10, 64)
if err != nil && len(f[1]) > 3 {
unit := f[1][len(f[1])-2:]
switch unit {
case "KB":
multi = 1024
case "MB":
multi = 1024 * 1024
default:
return fmt.Errorf("error parsing size unit of exim's mail queue")
}
size, err = strconv.ParseInt(f[1][:len(f[1])-2], 10, 64)
if err != nil {
return fmt.Errorf("error parsing exim size field")
}
}
Add(&md, "exim.mailq_size", size*multi, nil, metadata.Gauge, metadata.Bytes, descEximMailQSize)
oldest, err := opentsdb.ParseDuration(f[2])
if err != nil {
return err
}
Add(&md, "exim.mailq_oldest", oldest.Seconds(), nil, metadata.Gauge, metadata.Second, descEximMailQOldest)
newest, err := opentsdb.ParseDuration(f[3])
if err != nil {
return err
}
Add(&md, "exim.mailq_newest", newest.Seconds(), nil, metadata.Gauge, metadata.Second, descEximMailQNewest)
}
return nil
}, mailq, eximExiqsumm)
return md, nil
}