locker98/postfix_exporter
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Document the code a bit more.

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This commit is contained in:
Ed Schouten 2017-02-17 15:31:04 +01:00
parent 1e8a6b282d
commit d39bb4793c
1 changed files with 6 additions and 0 deletions
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6
postfix_exporter.go
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@ -35,6 +35,12 @@ var (
nil, nil) nil, nil)
) )
// Parses the output of Postfix's 'showq' command and turns it into metrics.
//
// Recent versions of Postfix actually make this easy, because they have
// a new 'showq_json' command. Unfortunately, we cannot assume that
// versions of Postfix that are in use support this, so just parse the
// textual format.
func CollectShowqFromReader(file io.Reader, ch chan<- prometheus.Metric) error { func CollectShowqFromReader(file io.Reader, ch chan<- prometheus.Metric) error {
scanner := bufio.NewScanner(file) scanner := bufio.NewScanner(file)
scanner.Split(bufio.ScanLines) scanner.Split(bufio.ScanLines)