Example #1
0
func gatherPoolStats(pool poolInfo, acc inputs.Accumulator) error {
	lines, err := internal.ReadLines(pool.ioFilename)
	if err != nil {
		return err
	}

	if len(lines) != 3 {
		return err
	}

	keys := strings.Fields(lines[1])
	values := strings.Fields(lines[2])

	keyCount := len(keys)

	if keyCount != len(values) {
		return fmt.Errorf("Key and value count don't match Keys:%v Values:%v", keys, values)
	}

	tag := map[string]string{"pool": pool.name}
	fields := make(map[string]interface{})
	for i := 0; i < keyCount; i++ {
		value, err := strconv.ParseInt(values[i], 10, 64)
		if err != nil {
			return err
		}
		fields[keys[i]] = value
	}
	acc.AddFields("zfs_pool", fields, tag)

	return nil
}
Example #2
0
func (l *Lustre2) GetLustreProcStats(fileglob string, wanted_fields []*mapping, acc inputs.Accumulator) error {
	files, err := filepath.Glob(fileglob)
	if err != nil {
		return err
	}

	for _, file := range files {
		/* Turn /proc/fs/lustre/obdfilter/<ost_name>/stats and similar
		 * into just the object store target name
		 * Assumpion: the target name is always second to last,
		 * which is true in Lustre 2.1->2.5
		 */
		path := strings.Split(file, "/")
		name := path[len(path)-2]
		var fields map[string]interface{}
		fields, ok := l.allFields[name]
		if !ok {
			fields = make(map[string]interface{})
			l.allFields[name] = fields
		}

		lines, err := internal.ReadLines(file)
		if err != nil {
			return err
		}

		for _, line := range lines {
			parts := strings.Fields(line)
			for _, wanted := range wanted_fields {
				var data uint64
				if parts[0] == wanted.inProc {
					wanted_field := wanted.field
					// if not set, assume field[1]. Shouldn't be field[0], as
					// that's a string
					if wanted_field == 0 {
						wanted_field = 1
					}
					data, err = strconv.ParseUint((parts[wanted_field]), 10, 64)
					if err != nil {
						return err
					}
					report_name := wanted.inProc
					if wanted.reportAs != "" {
						report_name = wanted.reportAs
					}
					fields[report_name] = data
				}
			}
		}
	}
	return nil
}
Example #3
0
func (z *Zfs) Gather(acc inputs.Accumulator) error {
	kstatMetrics := z.KstatMetrics
	if len(kstatMetrics) == 0 {
		kstatMetrics = []string{"arcstats", "zfetchstats", "vdev_cache_stats"}
	}

	kstatPath := z.KstatPath
	if len(kstatPath) == 0 {
		kstatPath = "/proc/spl/kstat/zfs"
	}

	pools := getPools(kstatPath)
	tags := getTags(pools)

	if z.PoolMetrics {
		for _, pool := range pools {
			err := gatherPoolStats(pool, acc)
			if err != nil {
				return err
			}
		}
	}

	fields := make(map[string]interface{})
	for _, metric := range kstatMetrics {
		lines, err := internal.ReadLines(kstatPath + "/" + metric)
		if err != nil {
			return err
		}
		for i, line := range lines {
			if i == 0 || i == 1 {
				continue
			}
			if len(line) < 1 {
				continue
			}
			rawData := strings.Split(line, " ")
			key := metric + "_" + rawData[0]
			rawValue := rawData[len(rawData)-1]
			value, _ := strconv.ParseInt(rawValue, 10, 64)
			fields[key] = value
		}
	}
	acc.AddFields("zfs", fields, tags)
	return nil
}