diskLayout() added S.M.A.R.T. status

CHANGELOG.md

@@ -100,6 +100,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.45.0         | 2018-09-04     | `diskLayout()` added smartStatus |
 | 3.44.2         | 2018-08-28     | added code quality badges |
 | 3.44.1         | 2018-08-28     | code cleanup |
 | 3.44.0         | 2018-08-25     | `battery()` bugfix & added type, model, manufacturer, serial |

README.md

@@ -56,13 +56,13 @@ async function cpu() {
 
 (last 7 major and minor version releases)
 
+- Version 3.45.0: `diskLayout()` added S.M.A.R.T. status
 - Version 3.44.0: `battery()` added type, model, manufacturer, serial, timeremaining
 - Version 3.43.0: added speed per CPU core `cpuCurrentspeed()`
 - Version 3.42.0: added parent process PID `processes()`
 - Version 3.41.0: first partial `SunOS` support
 - Version 3.40.0: extended `versions()` (php, redis, mongodb)
 - Version 3.39.0: added `versions().mysql` and `versions().nginx`, start implementing `SunOS` support
-- Version 3.38.0: added `battery.acconnected`
 - ...
 
 You can find all changes here: [detailed changelog][changelog-url]
@@ -193,6 +193,7 @@ I also created a nice little command line tool called [mmon][mmon-github-url]  (
 | | [0].sectorsPerTrack | |  | | X |  | sectors per track |
 | | [0].totalSectors | |  | | X |  | total sectors |
 | | [0].bytesPerSector | |  | | X |  | bytes per sector |
+| | [0].smartStatus | X |  | X | X |  | S.M.A.R.T Status (see Known Issues) |
 | si.battery(cb) | {...} | X | X | X | X |  | battery information |
 | | hasbattery | X | X | X | X |  | indicates presence of battery |
 | | cyclecount | X |  | X | |  | numbers of recharges |
@@ -518,6 +519,10 @@ In some cases we also discovered that `wmic` returned incorrect temperature valu
 In some cases you need to install the linux `sensors` package to be able to measure temperature
 e.g. on DEBIAN based systems by running `sudo apt-get install lm-sensors`
 
+#### Linux S.M.A.R.T. Status
+
+To be able to detect S.M.A.R.T. status on Linux you need to install `smartmontools`. On DEBIAN based linux distributions you can install it by running  `sudo apt-get install smartmontools`
+
 ## *: Additional Notes
 
 In `fsStats`, `disksIO` and `networkStats` the `results / sec.` values (rx_sec, IOPS, ...) are calculated correctly beginning

lib/filesystem.js

@@ -608,6 +608,7 @@ function diskLayout(callback) {
     process.nextTick(() => {
 
       let result = [];
+      let cmd = '';
 
       if (_linux) {
         exec('export LC_ALL=C; lshw -class disk; unset LC_ALL', function (error, stdout) {
@@ -617,6 +618,7 @@ function diskLayout(callback) {
             devices.forEach(function (device) {
               let lines = device.split('\n');
               let mediumType = '';
+              const BSDName = util.getValue(lines, 'logical name', ':', true).trim();
               const logical = util.getValue(lines, 'logical name', ':', true).trim().replace(/\/dev\//g, '');
               try {
                 mediumType = execSync('cat /sys/block/' + logical + '/queue/rotational').toString().split('\n')[0];
@@ -642,14 +644,53 @@ function diskLayout(callback) {
                   firmwareRevision: util.getValue(lines, 'version:', ':', true).trim(),
                   serialNum: util.getValue(lines, 'serial:', ':', true).trim(),
                   interfaceType: '',
+                  smartStatus: 'unknown',
+                  BSDName: BSDName
                 });
+                cmd = cmd + 'printf "\n' + BSDName + '|"; smartctl -H ' + BSDName + ' | grep overall;';
               }
             });
           }
-          if (callback) {
+          if (cmd) {
-            callback(result);
+            cmd = cmd + 'printf "\n"';
+            exec(cmd, function (error, stdout) {
+              let lines = stdout.toString().split('\n');
+              lines.forEach(line => {
+                if (line) {
+                  let parts = line.split('|');
+                  if (parts.length === 2) {
+                    let BSDName = parts[0];
+                    parts[1] = parts[1].trim();
+                    let parts2 = parts[1].split(':');
+                    if (parts2.length === 2) {
+                      parts2[1] = parts2[1].trim();
+                      let status = parts2[1].toLowerCase();
+                      for (let i = 0; i < result.length; i++) {
+                        if (result[i].BSDName === BSDName) {
+                          result[i].smartStatus = (status === 'passed' ? 'Ok' : (status === 'failed!' ? 'Predicted Failure' : 'unknown'));
+                        }
+                      }
+                    }
+                  }
+                }
+              });
+              for (let i = 0; i < result.length; i++) {
+                delete result[i].BSDName;
+              }
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            });
+          } else {
+            for (let i = 0; i < result.length; i++) {
+              delete result[i].BSDName;
+            }
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
           }
-          resolve(result);
         });
       }
       if (_freebsd || _openbsd) {
@@ -673,6 +714,7 @@ function diskLayout(callback) {
               let lines = device.split('\n');
               const mediumType = util.getValue(lines, 'Medium Type', ':', true).trim();
               const sizeStr = util.getValue(lines, 'capacity', ':', true).trim();
+              const BSDName = util.getValue(lines, 'BSD Name', ':', true).trim();
               if (sizeStr) {
                 let sizeValue = 0;
                 if (sizeStr.indexOf('(') >= 0) {
@@ -696,8 +738,11 @@ function diskLayout(callback) {
                     sectorsPerTrack: -1,
                     firmwareRevision: util.getValue(lines, 'Revision', ':', true).trim(),
                     serialNum: util.getValue(lines, 'Serial Number', ':', true).trim(),
-                    interfaceType: util.getValue(lines, 'InterfaceType', ':', true).trim()
+                    interfaceType: util.getValue(lines, 'InterfaceType', ':', true).trim(),
+                    smartStatus: 'unknown',
+                    BSDName: BSDName
                   });
+                  cmd = cmd + 'printf "\n' + BSDName + '|"; diskutil info /dev/' + BSDName + ' | grep SMART;';
                 }
               }
             });
@@ -709,6 +754,7 @@ function diskLayout(callback) {
                 let lines = device.split('\n');
                 const linkWidth = util.getValue(lines, 'link width', ':', true).trim();
                 const sizeStr = util.getValue(lines, '!capacity', ':', true).trim();
+                const BSDName = util.getValue(lines, 'BSD Name', ':', true).trim();
                 if (sizeStr) {
                   let sizeValue = 0;
                   if (sizeStr.indexOf('(') >= 0) {
@@ -733,16 +779,55 @@ function diskLayout(callback) {
                       firmwareRevision: util.getValue(lines, 'Revision', ':', true).trim(),
                       serialNum: util.getValue(lines, 'Serial Number', ':', true).trim(),
                       interfaceType: ('PCIe ' + linkWidth).trim(),
+                      smartStatus: 'unknown',
+                      BSDName: BSDName
                     });
+                    cmd = cmd + 'printf "\n' + BSDName + '|"; diskutil info /dev/' + BSDName + ' | grep SMART;';
                   }
                 }
               });
             }
           }
-          if (callback) {
+          if (cmd) {
-            callback(result);
+            cmd = cmd + 'printf "\n"';
+            exec(cmd, function (error, stdout) {
+              let lines = stdout.toString().split('\n');
+              lines.forEach(line => {
+                if (line) {
+                  let parts = line.split('|');
+                  if (parts.length === 2) {
+                    let BSDName = parts[0];
+                    parts[1] = parts[1].trim();
+                    let parts2 = parts[1].split(':');
+                    if (parts2.length === 2) {
+                      parts2[1] = parts2[1].trim();
+                      let status = parts2[1].toLowerCase();
+                      for (let i = 0; i < result.length; i++) {
+                        if (result[i].BSDName === BSDName) {
+                          result[i].smartStatus = (status === 'not supported' ? 'not supported' : (status === 'verified' ? 'Ok' : (status === 'failing' ? 'Predicted Failure' : 'unknown')));
+                        }
+                      }
+                    }
+                  }
+                }
+              });
+              for (let i = 0; i < result.length; i++) {
+                delete result[i].BSDName;
+              }
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            });
+          } else {
+            for (let i = 0; i < result.length; i++) {
+              delete result[i].BSDName;
+            }
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
           }
-          resolve(result);
         });
       }
       if (_windows) {
@@ -753,6 +838,7 @@ function diskLayout(callback) {
               devices.forEach(function (device) {
                 let lines = device.split('\r\n');
                 const size = util.getValue(lines, 'Size', '=').trim();
+                const status = util.getValue(lines, 'Status', '=').trim();
                 if (size) {
                   result.push({
                     type: device.indexOf('SSD') > -1 ? 'SSD' : 'HD',  // not really correct(!) ... maybe this one is better: MSFT_PhysicalDisk - Media Type??
@@ -768,7 +854,8 @@ function diskLayout(callback) {
                     sectorsPerTrack: parseInt(util.getValue(lines, 'SectorsPerTrack', '=')),
                     firmwareRevision: util.getValue(lines, 'FirmwareRevision', '=').trim(),
                     serialNum: util.getValue(lines, 'SerialNumber', '=').trim(),
-                    interfaceType: util.getValue(lines, 'InterfaceType', '=').trim()
+                    interfaceType: util.getValue(lines, 'InterfaceType', '=').trim(),
+                    smartStatus: (status === 'Ok' ? 'Ok' : (status === 'Degraded' ? 'Degraded' : (status === 'Pred Fail' ? 'Predicted Failure' : 'Unknown')))
                   });
                 }
               });

package.json

@@ -40,7 +40,9 @@
     "graphics",
     "graphic card",
     "graphic controller",
-    "display"
+    "display",
+    "smart",
+    "disk layout"
   ],
   "repository": {
     "type": "git",
@@ -57,4 +59,4 @@
   "engines": {
     "node": ">=4.0.0"
   }
-}
+}