func (c CommandRunner) Run(
e *Exec,
command string,
acc telegraf.Accumulator,
) ([]byte, error) {
split_cmd, err := shellquote.Split(command)
if err != nil || len(split_cmd) == 0 {
return nil, fmt.Errorf("exec: unable to parse command, %s", err)
}
cmd := exec.Command(split_cmd[0], split_cmd[1:]...)
var out bytes.Buffer
cmd.Stdout = &out
if err := internal.RunTimeout(cmd, e.Timeout.Duration); err != nil {
switch e.parser.(type) {
case *nagios.NagiosParser:
AddNagiosState(err, acc)
default:
return nil, fmt.Errorf("exec: %s for command '%s'", err, command)
}
} else {
switch e.parser.(type) {
case *nagios.NagiosParser:
AddNagiosState(nil, acc)
}
}
return out.Bytes(), nil
}
// Shell out to varnish_stat and return the output
func varnishRunner(cmdName string) (*bytes.Buffer, error) {
cmdArgs := []string{"-1"}
cmd := exec.Command(cmdName, cmdArgs...)
var out bytes.Buffer
cmd.Stdout = &out
err := internal.RunTimeout(cmd, time.Millisecond*200)
if err != nil {
return &out, fmt.Errorf("error running varnishstat: %s", err)
}
return &out, nil
}
return true
}
_, found := filter[stat]
return found
}
}
// Shell out to varnish_stat and return the output
var varnishStat = func(cmdName string) (*bytes.Buffer, error) {
cmdArgs := []string{"-1"}
cmd := exec.Command(cmdName, cmdArgs...)
var out bytes.Buffer
cmd.Stdout = &out
err := internal.RunTimeout(cmd, time.Millisecond*200)
if err != nil {
return &out, fmt.Errorf("error running varnishstat: %s", err)
}
return &out, nil
}
// Gather collects the configured stats from varnish_stat and adds them to the
// Accumulator
//
// The prefix of each stat (eg MAIN, MEMPOOL, LCK, etc) will be used as a
// 'section' tag and all stats that share that prefix will be reported as fields
// with that tag
func (s *Varnish) Gather(acc telegraf.Accumulator) error {
s.setDefaults()