| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package storcli |
| 4 | |
| 5 | import ( |
| 6 | "encoding/json" |
| 7 | "errors" |
| 8 | "fmt" |
| 9 | "strconv" |
| 10 | "strings" |
| 11 | ) |
| 12 | |
| 13 | type drivesInfoResponse struct { |
| 14 | Controllers []struct { |
| 15 | CommandStatus struct { |
| 16 | Controller int `json:"Controller"` |
| 17 | Status string `json:"Status"` |
| 18 | } `json:"Command Status"` |
| 19 | ResponseData map[string]json.RawMessage `json:"Response Data"` |
| 20 | } `json:"Controllers"` |
| 21 | } |
| 22 | |
| 23 | type ( |
| 24 | driveInfo struct { |
| 25 | EIDSlt string `json:"EID:Slt"` |
| 26 | //DID int `json:"DID"` |
| 27 | //State string `json:"State"` |
| 28 | //DG int `json:"DG"` // FIX: can be integer or "-" |
| 29 | //Size string `json:"Size"` |
| 30 | //Intf string `json:"Intf"` |
| 31 | Med string `json:"Med"` |
| 32 | //SED string `json:"SED"` |
| 33 | //PI string `json:"PI"` |
| 34 | //SeSz string `json:"SeSz"` |
| 35 | //Model string `json:"Model"` |
| 36 | //Sp string `json:"Sp"` |
| 37 | //Type string `json:"Type"` |
| 38 | } |
| 39 | driveState struct { |
| 40 | MediaErrorCount storNumber `json:"Media Error Count"` |
| 41 | OtherErrorCount storNumber `json:"Other Error Count"` |
| 42 | DriveTemperature string `json:"Drive Temperature"` |
| 43 | PredictiveFailureCount storNumber `json:"Predictive Failure Count"` |
| 44 | SmartAlertFlagged string `json:"S.M.A.R.T alert flagged by drive"` |
| 45 | } |
| 46 | driveAttrs struct { |
| 47 | WWN string `json:"WWN"` |
| 48 | DeviceSpeed string `json:"Device Speed"` |
| 49 | LinkSpeed string `json:"Link Speed"` |
| 50 | } |
| 51 | ) |
| 52 | |
| 53 | type storNumber string // some int values can be 'N/A' |
| 54 | |
| 55 | func (n *storNumber) UnmarshalJSON(b []byte) error { *n = storNumber(b); return nil } |
| 56 | |
| 57 | func (c *Collector) collectMegaRaidDrives(mx map[string]int64, resp *drivesInfoResponse) error { |
| 58 | if resp == nil { |
| 59 | return nil |
| 60 | } |
| 61 | |
| 62 | for _, cntrl := range resp.Controllers { |
| 63 | var ids []string |
| 64 | for k := range cntrl.ResponseData { |
| 65 | if !strings.HasSuffix(k, "Detailed Information") { |
| 66 | continue |
| 67 | } |
| 68 | parts := strings.Fields(k) // Drive /c0/e252/s0 - Detailed Information |
| 69 | if len(parts) < 2 { |
| 70 | continue |
| 71 | } |
| 72 | id := parts[1] |
| 73 | if strings.IndexByte(id, '/') == -1 { |
| 74 | continue |
| 75 | } |
| 76 | ids = append(ids, id) |
| 77 | } |
| 78 | |
| 79 | cntrlIdx := cntrl.CommandStatus.Controller |
| 80 | |
| 81 | for _, id := range ids { |
| 82 | info, err := getDriveInfo(cntrl.ResponseData, id) |
| 83 | if err != nil { |
| 84 | return err |
| 85 | } |
| 86 | data, err := getDriveDetailedInfo(cntrl.ResponseData, id) |
| 87 | if err != nil { |
| 88 | return err |
| 89 | } |
| 90 | state, err := getDriveState(data, id) |
| 91 | if err != nil { |
| 92 | return err |
| 93 | } |
| 94 | attrs, err := getDriveAttrs(data, id) |
| 95 | if err != nil { |
| 96 | return err |
| 97 | } |
| 98 | |
| 99 | if attrs.WWN == "" { |
| 100 | continue |
| 101 | } |
| 102 | |
| 103 | if !c.drives[attrs.WWN] { |
| 104 | c.drives[attrs.WWN] = true |
| 105 | c.addPhysDriveCharts(cntrlIdx, info, state, attrs) |
| 106 | } |
| 107 | |
| 108 | px := fmt.Sprintf("phys_drive_%s_cntrl_%d_", attrs.WWN, cntrlIdx) |
| 109 | |
| 110 | if v, ok := parseInt(string(state.MediaErrorCount)); ok { |
| 111 | mx[px+"media_error_count"] = v |
| 112 | } |
| 113 | if v, ok := parseInt(string(state.OtherErrorCount)); ok { |
| 114 | mx[px+"other_error_count"] = v |
| 115 | } |
| 116 | if v, ok := parseInt(string(state.PredictiveFailureCount)); ok { |
| 117 | mx[px+"predictive_failure_count"] = v |
| 118 | } |
| 119 | if v, ok := parseInt(getTemperature(state.DriveTemperature)); ok { |
| 120 | mx[px+"temperature"] = v |
| 121 | } |
| 122 | for _, st := range []string{"active", "inactive"} { |
| 123 | mx[px+"smart_alert_status_"+st] = 0 |
| 124 | } |
| 125 | if state.SmartAlertFlagged == "Yes" { |
| 126 | mx[px+"smart_alert_status_active"] = 1 |
| 127 | } else { |
| 128 | mx[px+"smart_alert_status_inactive"] = 1 |
| 129 | } |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | return nil |
| 134 | } |
| 135 | |
| 136 | func (c *Collector) queryDrivesInfo() (*drivesInfoResponse, error) { |
| 137 | bs, err := c.exec.drivesInfo() |
| 138 | if err != nil { |
| 139 | return nil, err |
| 140 | } |
| 141 | |
| 142 | if len(bs) == 0 { |
| 143 | return nil, errors.New("empty response") |
| 144 | } |
| 145 | |
| 146 | var resp drivesInfoResponse |
| 147 | if err := json.Unmarshal(bs, &resp); err != nil { |
| 148 | return nil, err |
| 149 | } |
| 150 | |
| 151 | if len(resp.Controllers) == 0 { |
| 152 | return nil, errors.New("no controllers found") |
| 153 | } |
| 154 | if st := resp.Controllers[0].CommandStatus.Status; st != "Success" { |
| 155 | return nil, fmt.Errorf("command status error: %s", st) |
| 156 | } |
| 157 | |
| 158 | return &resp, nil |
| 159 | } |
| 160 | |
| 161 | func getDriveInfo(respData map[string]json.RawMessage, id string) (*driveInfo, error) { |
| 162 | k := fmt.Sprintf("Drive %s", id) |
| 163 | raw, ok := respData[k] |
| 164 | if !ok { |
| 165 | return nil, fmt.Errorf("drive info not found for '%s'", id) |
| 166 | } |
| 167 | |
| 168 | var drive []driveInfo |
| 169 | if err := json.Unmarshal(raw, &drive); err != nil { |
| 170 | return nil, err |
| 171 | } |
| 172 | |
| 173 | if len(drive) == 0 { |
| 174 | return nil, fmt.Errorf("drive info not found for '%s'", id) |
| 175 | } |
| 176 | |
| 177 | return &drive[0], nil |
| 178 | } |
| 179 | |
| 180 | func getDriveDetailedInfo(respData map[string]json.RawMessage, id string) (map[string]json.RawMessage, error) { |
| 181 | k := fmt.Sprintf("Drive %s - Detailed Information", id) |
| 182 | raw, ok := respData[k] |
| 183 | if !ok { |
| 184 | return nil, fmt.Errorf("drive detailed info not found for '%s'", id) |
| 185 | } |
| 186 | |
| 187 | var info map[string]json.RawMessage |
| 188 | if err := json.Unmarshal(raw, &info); err != nil { |
| 189 | return nil, err |
| 190 | } |
| 191 | |
| 192 | return info, nil |
| 193 | } |
| 194 | |
| 195 | func getDriveState(driveDetailedInfo map[string]json.RawMessage, id string) (*driveState, error) { |
| 196 | k := fmt.Sprintf("Drive %s State", id) |
| 197 | raw, ok := driveDetailedInfo[k] |
| 198 | if !ok { |
| 199 | return nil, fmt.Errorf("drive detailed info state not found for '%s'", id) |
| 200 | } |
| 201 | |
| 202 | var state driveState |
| 203 | if err := json.Unmarshal(raw, &state); err != nil { |
| 204 | return nil, err |
| 205 | } |
| 206 | |
| 207 | return &state, nil |
| 208 | } |
| 209 | |
| 210 | func getDriveAttrs(driveDetailedInfo map[string]json.RawMessage, id string) (*driveAttrs, error) { |
| 211 | k := fmt.Sprintf("Drive %s Device attributes", id) |
| 212 | raw, ok := driveDetailedInfo[k] |
| 213 | if !ok { |
| 214 | return nil, fmt.Errorf("drive detailed info state not found for '%s'", id) |
| 215 | } |
| 216 | |
| 217 | var state driveAttrs |
| 218 | if err := json.Unmarshal(raw, &state); err != nil { |
| 219 | return nil, err |
| 220 | } |
| 221 | |
| 222 | return &state, nil |
| 223 | } |
| 224 | |
| 225 | func getTemperature(temp string) string { |
| 226 | // ' 28C (82.40 F)' (drive) or '33C' (bbu) |
| 227 | before, _, ok := strings.Cut(temp, "C") |
| 228 | if !ok { |
| 229 | return "" |
| 230 | } |
| 231 | return strings.TrimSpace(before) |
| 232 | } |
| 233 | |
| 234 | func parseInt(s string) (int64, bool) { |
| 235 | i, err := strconv.ParseInt(s, 10, 64) |
| 236 | return i, err == nil |
| 237 | } |