| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package adaptecraid |
| 4 | |
| 5 | import ( |
| 6 | "bufio" |
| 7 | "bytes" |
| 8 | "errors" |
| 9 | "fmt" |
| 10 | "strings" |
| 11 | ) |
| 12 | |
| 13 | type logicalDevice struct { |
| 14 | number string |
| 15 | name string |
| 16 | raidLevel string |
| 17 | status string |
| 18 | failedStripes string |
| 19 | } |
| 20 | |
| 21 | func (c *Collector) collectLogicalDevices(mx map[string]int64) error { |
| 22 | bs, err := c.exec.logicalDevicesInfo() |
| 23 | if err != nil { |
| 24 | return err |
| 25 | } |
| 26 | |
| 27 | devices, err := parseLogicDevInfo(bs) |
| 28 | if err != nil { |
| 29 | return err |
| 30 | } |
| 31 | |
| 32 | if len(devices) == 0 { |
| 33 | return errors.New("no logical devices found") |
| 34 | } |
| 35 | |
| 36 | for _, ld := range devices { |
| 37 | if !c.lds[ld.number] { |
| 38 | c.lds[ld.number] = true |
| 39 | c.addLogicalDeviceCharts(ld) |
| 40 | } |
| 41 | |
| 42 | px := fmt.Sprintf("ld_%s_", ld.number) |
| 43 | |
| 44 | // Unfortunately, all available states are unknown. |
| 45 | mx[px+"health_state_ok"] = 0 |
| 46 | mx[px+"health_state_critical"] = 0 |
| 47 | if isOkLDStatus(ld) { |
| 48 | mx[px+"health_state_ok"] = 1 |
| 49 | } else { |
| 50 | mx[px+"health_state_critical"] = 1 |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | return nil |
| 55 | } |
| 56 | |
| 57 | func isOkLDStatus(ld *logicalDevice) bool { |
| 58 | // https://github.com/thomas-krenn/check_adaptec_raid/blob/a104fd88deede87df4f07403b44394bffb30c5c3/check_adaptec_raid#L340 |
| 59 | return ld.status == "Optimal" |
| 60 | } |
| 61 | |
| 62 | func parseLogicDevInfo(bs []byte) (map[string]*logicalDevice, error) { |
| 63 | devices := make(map[string]*logicalDevice) |
| 64 | |
| 65 | var ld *logicalDevice |
| 66 | |
| 67 | sc := bufio.NewScanner(bytes.NewReader(bs)) |
| 68 | |
| 69 | for sc.Scan() { |
| 70 | line := strings.TrimSpace(sc.Text()) |
| 71 | |
| 72 | if strings.HasPrefix(line, "Logical device number") || |
| 73 | strings.HasPrefix(line, "Logical Device number") { |
| 74 | parts := strings.Fields(line) |
| 75 | num := parts[len(parts)-1] |
| 76 | ld = &logicalDevice{number: num} |
| 77 | devices[num] = ld |
| 78 | continue |
| 79 | } |
| 80 | |
| 81 | if ld == nil { |
| 82 | continue |
| 83 | } |
| 84 | |
| 85 | switch { |
| 86 | case strings.HasPrefix(line, "Logical device name"), |
| 87 | strings.HasPrefix(line, "Logical Device name"): |
| 88 | ld.name = getColonSepValue(line) |
| 89 | case strings.HasPrefix(line, "RAID level"): |
| 90 | ld.raidLevel = getColonSepValue(line) |
| 91 | case strings.HasPrefix(line, "Status of logical device"), |
| 92 | strings.HasPrefix(line, "Status of Logical Device"): |
| 93 | ld.status = getColonSepValue(line) |
| 94 | case strings.HasPrefix(line, "Failed stripes"): |
| 95 | ld.failedStripes = getColonSepValue(line) |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | return devices, nil |
| 100 | } |