| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package megacli |
| 4 | |
| 5 | import ( |
| 6 | "bufio" |
| 7 | "bytes" |
| 8 | "errors" |
| 9 | "fmt" |
| 10 | "strings" |
| 11 | ) |
| 12 | |
| 13 | type ( |
| 14 | megaAdapter struct { |
| 15 | number string |
| 16 | name string |
| 17 | state string |
| 18 | physDrives map[string]*megaPhysDrive |
| 19 | } |
| 20 | megaPhysDrive struct { |
| 21 | adapterNumber string |
| 22 | number string |
| 23 | wwn string |
| 24 | slotNumber string |
| 25 | drivePosition string |
| 26 | pdType string |
| 27 | mediaErrorCount string |
| 28 | predictiveFailureCount string |
| 29 | } |
| 30 | ) |
| 31 | |
| 32 | var adapterStates = []string{ |
| 33 | "optimal", |
| 34 | "degraded", |
| 35 | "partially_degraded", |
| 36 | "failed", |
| 37 | } |
| 38 | |
| 39 | func (c *Collector) collectPhysDrives(mx map[string]int64) error { |
| 40 | bs, err := c.exec.physDrivesInfo() |
| 41 | if err != nil { |
| 42 | return err |
| 43 | } |
| 44 | |
| 45 | adapters, err := parsePhysDrivesInfo(bs) |
| 46 | if err != nil { |
| 47 | return err |
| 48 | } |
| 49 | if len(adapters) == 0 { |
| 50 | return errors.New("no adapters found") |
| 51 | } |
| 52 | |
| 53 | var drives int |
| 54 | |
| 55 | for _, ad := range adapters { |
| 56 | if len(ad.physDrives) == 0 { |
| 57 | continue |
| 58 | } |
| 59 | |
| 60 | if !c.adapters[ad.number] { |
| 61 | c.adapters[ad.number] = true |
| 62 | c.addAdapterCharts(ad) |
| 63 | } |
| 64 | |
| 65 | px := fmt.Sprintf("adapter_%s_health_state_", ad.number) |
| 66 | for _, st := range adapterStates { |
| 67 | mx[px+st] = 0 |
| 68 | } |
| 69 | st := strings.ReplaceAll(strings.ToLower(ad.state), " ", "_") |
| 70 | mx[px+st] = 1 |
| 71 | |
| 72 | for _, pd := range ad.physDrives { |
| 73 | if !c.adapters[pd.wwn] { |
| 74 | c.adapters[pd.wwn] = true |
| 75 | c.addPhysDriveCharts(pd) |
| 76 | } |
| 77 | drives++ |
| 78 | |
| 79 | px := fmt.Sprintf("phys_drive_%s_", pd.wwn) |
| 80 | |
| 81 | writeInt(mx, px+"media_error_count", pd.mediaErrorCount) |
| 82 | writeInt(mx, px+"predictive_failure_count", pd.predictiveFailureCount) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | c.Debugf("found %d adapters, %d physical drives", len(c.adapters), drives) |
| 87 | |
| 88 | return nil |
| 89 | } |
| 90 | |
| 91 | func parsePhysDrivesInfo(bs []byte) (map[string]*megaAdapter, error) { |
| 92 | adapters := make(map[string]*megaAdapter) |
| 93 | |
| 94 | var ad *megaAdapter |
| 95 | var pd *megaPhysDrive |
| 96 | |
| 97 | sc := bufio.NewScanner(bytes.NewReader(bs)) |
| 98 | |
| 99 | for sc.Scan() { |
| 100 | line := strings.TrimSpace(sc.Text()) |
| 101 | |
| 102 | switch { |
| 103 | case strings.HasPrefix(line, "Adapter #"): |
| 104 | idx := strings.TrimPrefix(line, "Adapter #") |
| 105 | ad = &megaAdapter{number: idx, physDrives: make(map[string]*megaPhysDrive)} |
| 106 | adapters[idx] = ad |
| 107 | case strings.HasPrefix(line, "Name") && ad != nil: |
| 108 | ad.name = getColonSepValue(line) |
| 109 | case strings.HasPrefix(line, "State") && ad != nil: |
| 110 | ad.state = getColonSepValue(line) |
| 111 | case strings.HasPrefix(line, "PD:") && ad != nil: |
| 112 | if parts := strings.Fields(line); len(parts) == 3 { |
| 113 | idx := parts[1] |
| 114 | pd = &megaPhysDrive{number: idx, adapterNumber: ad.number} |
| 115 | ad.physDrives[idx] = pd |
| 116 | } |
| 117 | case strings.HasPrefix(line, "Slot Number:") && pd != nil: |
| 118 | pd.slotNumber = getColonSepValue(line) |
| 119 | case strings.HasPrefix(line, "Drive's position:") && pd != nil: |
| 120 | pd.drivePosition = getColonSepValue(line) |
| 121 | case strings.HasPrefix(line, "WWN:") && pd != nil: |
| 122 | pd.wwn = getColonSepValue(line) |
| 123 | case strings.HasPrefix(line, "PD Type:") && pd != nil: |
| 124 | pd.pdType = getColonSepValue(line) |
| 125 | case strings.HasPrefix(line, "Media Error Count:") && pd != nil: |
| 126 | pd.mediaErrorCount = getColonSepNumValue(line) |
| 127 | case strings.HasPrefix(line, "Predictive Failure Count:") && pd != nil: |
| 128 | pd.predictiveFailureCount = getColonSepNumValue(line) |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return adapters, nil |
| 133 | } |