Uptime

data/raw/test/uptime.raw

@@ -0,0 +1 @@
+2019-01-01 01:00:00

index.js

@@ -43,3 +43,10 @@ app.route(apiPrefix + '/cpuusage').get((req, res) => {
   });
 });
 
+app.route(apiPrefix + '/uptime').get((req, res) => {
+  fs.readFile(path.join(__dirname, 'data/json', 'uptime.json'), 'utf8', (err, json) => {
+    if (err) { throw new Error(err); }
+    res.json(JSON.parse(json));
+  });
+});
+

mkData.js

@@ -1,9 +1,11 @@
 let dataFromDate = require('./mkDataFromDate.js');
 let dataFromDiskspace = require('./mkDataFromDiskspace.js');
 let dataFromCPUUsage = require('./mkDataFromCPUUsage.js');
+let dataFromUptime = require('./mkDataFromUptime.js');
 
 let isTestMode = process.argv[2] === '--test';
 
 dataFromDate(isTestMode);
 dataFromDiskspace(isTestMode);
 dataFromCPUUsage(isTestMode);
+dataFromUptime(isTestMode);

mkDataFromUptime.js

@@ -0,0 +1,20 @@
+const fs = require('fs');
+const path = require('path');
+const moment = require('moment');
+
+module.exports = async function(useTestData = false) {
+  fs.readFile(path.join(__dirname, 'data/raw', useTestData ? 'test' : 'real', 'uptime.raw'), 'utf8', (err, uptime) => {
+    if (err) {
+      console.error(err);
+      process.exit(1);
+    }
+    let jsonString = JSON.stringify({
+      uptime: moment(uptime, 'YYYY-MM-DD HH:mm:ss').format('hh:mm MM-DD-YYYY'),
+    });
+
+    fs.writeFile(path.join(__dirname, 'data/json', 'uptime.json'), jsonString, err => {
+      if (err) throw err;
+    });
+  });
+}
+

mkRaw.sh

@@ -11,4 +11,9 @@ echo "diskspace.raw updated"
 
 touch data/raw/real/usage.raw
 top -b -n2 -p 1 | fgrep "Cpu(s)" | tail -1 | awk -F'id,' -v prefix="$prefix" '{ split($1, vs, ","); v=vs[length(vs)]; sub("%", "", v); printf "%s%.1f%%\n", prefix, 100 - v }' > data/raw/real/cpuusage.raw
-echo "usage.raw updated"
+echo "cpuusage.raw updated"
+
+touch data/raw/real/uptime.raw
+uptime -s > data/raw/real/uptime.raw
+echo "uptime.raw updated"
+

src/assets/app.js

@@ -12,11 +12,15 @@ new Vue({
     fetchingCPUUsage: true,
     cpuUsageNum: 0,
     cpuUsageStr: '',
+
+    fetchingUptime: true,
+    uptime: '',
   },
   created() {
     this.fetchLastBuildDate();
     this.fetchDiskSpace();
     this.fetchCPUUsage();
+    this.fetchUptime();
   },
   methods: {
     async fetchLastBuildDate() {
@@ -46,5 +50,13 @@ new Vue({
         this.fetchingCPUUsage = false;
       } catch (err) { throw new Error(err); }
     },
+    async fetchUptime() {
+      this.fetchingUptime = true;
+      try {
+        let { data } = await axios.get('/api/uptime');
+        this.uptime = data.uptime;
+        this.fetchingUptime = false;
+      } catch (err) { throw new Error(err); }
+    },
   },
 });

src/index.html

@@ -54,9 +54,15 @@
     <footer class="row">
       <section class="section">
         <small class="small">
-          Last Built:
+          Dashboard Built:
           <span v-if="fetchingLastBuildDate" class="load smallest"></span>
-          <span v-else class="fadein">{{lastBuildDate}}</span>
+          <em v-else class="fadein">{{lastBuildDate}}</em>
+        </small>
+        /
+        <small class="small">
+          Uptime:
+          <span v-if="fetchingUptime" class="load smallest"></span>
+          <em v-else class="fadein">{{uptime}}</em>
         </small>
       </section>
     </footer>