add diskusage monitor

2019-01-07 10:33:43 -06:00
parent 8b9b89ccaf
commit 9d5a94d98c
8 changed files with 104 additions and 2 deletions
--- a/diskUsageMonitor/diskUsageMonitor.js
+++ b/diskUsageMonitor/diskUsageMonitor.js
@@ -0,0 +1,62 @@
+const request = require("request-promise");
+const fs = require("fs");
+const winston = require("winston");
+const disk = require('diskusage');
+
+const logger = winston.createLogger({
+    level: 'info',
+    format: winston.format.combine(
+        winston.format.timestamp(),
+        winston.format.printf(info => {
+            return `${info.timestamp} ${info.level}: ${info.message}`;
+        })
+    ),
+    transports: [
+        new winston.transports.Console(),
+        new winston.transports.File({ filename: './log/diskUsageMonitor.log', level: 'error' }),
+        new winston.transports.File({ filename: './log/Combined.log' })
+    ]
+});
+
+const processingType = "diskusage";
+
+logger.log("info", "Starting diskUsageMonitor v0.1 by j.tretter@gmail.com");
+const config = JSON.parse(fs.readFileSync("diskUsageMonitor.config.json", "utf8"));
+logger.log("debug", "Config" + JSON.stringify(config));
+
+function cb(){
+    config.diskLimits.forEach(theDiskLimit=>{
+        theMessage={};
+        theMessage.processingType=processingType;
+        theMessage.sourceTag=config.sourceTag;
+        theMessage.timestamp=new Date();
+        theDiskLimit.isWarn=false;
+        disk.check(theDiskLimit.path, function(err, info) {
+        if (err) {
+            logger.log("error","Error reading disk Information " + err);
+            theDiskLimit.error = err;
+            theDiskLimit.isWarn = true;
+        } else {
+            let availGB=info.available/1024/1024;
+            let totalGB=info.total/1024/1024;
+            theDiskLimit.availGB=availGB;
+            theDiskLimit.totalGB=totalGB;
+            if (availGB<=theDiskLimit.minFree) {
+                theDiskLimit.isWarn=true;
+            } 
+        }
+        theMessage.data=theDiskLimit;
+        logger.log("debug","Sending Message: " + JSON.stringify(theMessage));
+
+        request({ method: 'POST', uri: config.serverURI, body: JSON.stringify([theMessage]), json: true }).then(_ => {
+            logger.log("debug","Sent Request to Service");
+        }).catch(err=>{
+            logger.log("error","Sending Request to Service: " + err);
+        });
+
+        });
+    })
+}
+
+cb();
+setInterval(cb,config.pollInterval);