added versions (kernel, ssl, node, npm, pm2, ...)

README.md

@@ -42,6 +42,7 @@ si.cpu()
 
 ### Latest Activity
 
+- Version 3.6.0: added versions (kernel, ssl, node, npm, pm2, ...).    
 - Version 3.5.0: added graphics info (controller and display).    
 - Version 3.4.0: rewritten currentLoad and CPU load for processes (linux). This is now much more accurate.    
 - Version 3.3.0: added process list. Get full process list including details like cpu and mem usage, status, command, ...   
@@ -69,6 +70,7 @@ Here all changes more detailed:
 
 New Functions
 
+- `versions`: returns object of versions - kernel, ssl, node, npm, ...(new in version 3.6)
 - `graphics`: returns arrays of graphics controllers and displays (new in version 3.5)
 - `networkInterfaceDefault`: returns default network interface (new in version 3.4)
 - `processes`: now returns also a process list with all process details (new in version 3.3)
@@ -188,6 +190,7 @@ This library is splitted in several sections:
 | - arch | X | X | same as os.arch() |
 | - hostname | X | X | same as os.hostname() |
 | - logofile | X | X | e.g. 'apple', 'debian', 'fedora', ... |
+| si.versions(cb) | X | X | Version information (kernel, ssl, node, ...) |
 | si.cpu(cb) | X | X | CPU information|
 | - manufacturer | X | X | e.g. 'Intel(R)' |
 | - brand | X | X | e.g. 'Core(TM)2 Duo' |
@@ -394,6 +397,7 @@ I am happy to discuss any comments and suggestions. Please feel free to contact
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.6.0          | 2016-09-14     | added versions (kernel, ssl, node, npm, pm2, ...) |
 | 3.5.1          | 2016-09-14     | bugfix graphics info |
 | 3.5.0          | 2016-09-14     | added graphics info (controller, display) |
 | 3.4.4          | 2016-09-02     | tiny fixes system.model, getDefaultNetworkInterface |

lib/index.js

@@ -81,6 +81,7 @@
 // --------------------------------
 //
 // version	date	comment
+// 3.6.0  2016-09-16  added versions (kernel, ssl, node, npm, pm2, ...)
 // 3.5.1  2016-09-14  bugfix graphics info
 // 3.5.0  2016-09-14  added graphics info (controller, display)
 // 3.4.4  2016-09-02  tiny fixes system.model, getDefaultNetworkInterface
@@ -435,6 +436,45 @@ function osInfo(callback) {
 
 exports.osInfo = osInfo;
 
+function versions(callback) {
+  return new Promise((resolve, reject) => {
+    process.nextTick(() => {
+      if (_windows) {
+        let error = new Error(NOT_SUPPORTED);
+        if (callback) { callback(NOT_SUPPORTED) }
+        reject(error);
+      }
+
+      let result = {
+        kernel: os.release(),
+        node: process.versions.node,
+        v8: process.versions.v8,
+        npm: '',
+        pm2: '',
+        openssl: process.versions.openssl
+      };
+      let lines = [];
+      exec("npm -v", function (error, stdout) {
+        if (!error) {
+          result.npm = stdout.toString().split('\n')[0];
+        }
+        exec("pm2 -v", function (error, stdout) {
+          if (!error) {
+            lines = stdout.toString().split('\n');
+            if (lines.length >= 2) {
+              result.pm2 = lines[lines.length-2];
+            }
+          }
+          if (callback) { callback(result) }
+          resolve(result);
+        });
+      });
+    });
+  });
+}
+
+exports.versions = versions;
+
 // ----------------------------------------------------------------------------------
 // 4. CPU
 // ----------------------------------------------------------------------------------
@@ -816,7 +856,6 @@ function mem(callback) {
 
 exports.mem = mem;
 
-
 // ----------------------------------------------------------------------------------
 // 6. Battery
 // ----------------------------------------------------------------------------------
@@ -1013,8 +1052,7 @@ function graphics(callback) {
             is_vga = true;
             let endpos = lines[i].search(/\[[0-9a-f]{4}:[0-9a-f]{4}]|$/);
             let parts = lines[i].substr(vgapos, endpos - vgapos).split(':');
-            if (parts.length > 1)
-            {
+            if (parts.length > 1) {
               parts[1] = parts[1].trim();
               if (parts[1].toLowerCase().indexOf('corporation')) {
                 currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf('corporation') + 11).trim();
@@ -2164,6 +2202,7 @@ function processes(callback) {
     let guest_nice = (parts.length >= 11 ? parseInt(parts[10]) : 0);
     return user + nice + system + idle + iowait + irq + softirq + steal + guest + guest_nice;
   }
+
   function parseProcPidStat(line, all) {
     let parts = line.replace(/ +/g, " ").split(' ');
     if (parts.length >= 17) {
@@ -2525,7 +2564,6 @@ function users(callback) {
         });
       }
 
-
     });
   });
 }
@@ -2640,6 +2678,7 @@ function dockerContainers(all, callback) {
     });
     return (filtered.length > 0);
   }
+
   // fallback - if only callback is given
   if (isFunction(all) && !callback) {
     callback = all;
@@ -2932,6 +2971,8 @@ function getStaticData(callback) {
         data.system = res;
         osInfo().then(res => {
           data.os = res;
+          versions().then(res => {
+            data.versions = res;
             cpu().then(res => {
               data.cpu = res;
               graphics().then(res => {
@@ -2945,6 +2986,7 @@ function getStaticData(callback) {
             })
           })
         })
+      })
     });
   });
 }