Break down frontend into components, use backend-side parsing

frontend/public/otimings.sh

@@ -119,3 +119,4 @@ else
 
     echo "[$(date '+%Y/%m/%d %H:%M:%S')] Done!"
 fi
+

frontend/src/App.vue

@@ -15,7 +15,7 @@
   <MDBContainer class="my-5">
     <MDBRow class="gy-4">
 
-      <MDBCol md="12" v-if="!summaryLoaded">
+      <MDBCol md="12" v-if="!report">
         <MDBCard>
           <MDBCardBody>
             <MDBCardTitle>1. Generate report</MDBCardTitle>
@@ -30,7 +30,7 @@
         </MDBCard>
       </MDBCol>
 
-      <MDBCol md="12" v-if="!summaryLoaded">
+      <MDBCol md="12" v-if="!report">
         <MDBCard>
           <MDBCardBody>
             <MDBCardTitle>2. Upload report</MDBCardTitle>
@@ -39,75 +39,20 @@
         </MDBCard>
       </MDBCol>
 
-      <MDBCol md="12" v-if="summaryLoaded">
-        <MDBCard>
-          <MDBCardBody>
-            <MDBCardTitle class="d-flex">
-              <span class="me-1">Summary</span>
-              <MDBBadge color="primary">/proc/stat</MDBBadge>
-            </MDBCardTitle>
-            <MDBCardText>
-              This section contains raw data from <code>/proc/stat</code>, visualised and with calculated relative (percent) share of the total CPU time.
-              <ul>
-                <li><em>Current run</em> represents the data between the start and the end of the report generation.</li>
-                <li><em>All time</em> represents absolute values from the last system restart until the end of the report generation.</li>
-              </ul>
-            </MDBCardText>
-            <MDBTabs v-model="summaryTab">
-              <MDBTabNav tabsClasses="mb-3">
-                <MDBTabItem tabId="summary-current-run" href="summary-current-run">Current run</MDBTabItem>
-                <MDBTabItem tabId="summary-all-time" href="summary-all-time">All time</MDBTabItem>
-              </MDBTabNav>
-              <MDBTabContent>
-                <MDBTabPane tabId="summary-current-run">
-                  <Summary :key="summaryTab" :stats="summaryStats" :chart-series="summarySeries"/>
-                </MDBTabPane>
-                <MDBTabPane tabId="summary-all-time">
-                  <Summary :key="summaryTab" :stats="summaryStatsAll" :chart-series="summarySeriesAll"/>
-                </MDBTabPane>
-              </MDBTabContent>
-            </MDBTabs>
-          </MDBCardBody>
-        </MDBCard>
+      <MDBCol md="12" v-if="report">
+        <ReportDetails :meta="report.meta"/>
       </MDBCol>
 
-      <MDBCol md="12" v-if="summaryLoaded">
-        <MDBCard>
-          <MDBCardBody>
-            <MDBCardTitle class="d-flex">
-              <span class="me-1">History</span>
-              <MDBBadge color="primary">/proc/stat</MDBBadge>
-            </MDBCardTitle>
-            <MDBCardText>
-              This section contains data (currently <code>{{ historyTab.replace('history-', '') }}</code>) changes over time represented as a relative (percent) share of the total CPU time.
-            </MDBCardText>
-            <MDBTabs v-model="historyTab">
-              <MDBTabNav tabsClasses="mb-3">
-                <MDBTabItem v-for="label in dataLabels" :key="label" :tabId="`history-${label}`" :href="`history-${label}`">{{ label }}</MDBTabItem>
-              </MDBTabNav>
-              <MDBTabContent>
-                <MDBTabPane v-for="label in dataLabels" :key="label" :tabId="`history-${label}`">
-                  <History :key="historyTab" :name="label" :chart-series="historySeries[label]"/>
-                </MDBTabPane>
-              </MDBTabContent>
-            </MDBTabs>
-          </MDBCardBody>
-        </MDBCard>
+      <MDBCol md="12" v-if="report">
+        <ReportSummary :report="report"/>
       </MDBCol>
 
-      <MDBCol md="12" v-if="summaryLoaded">
-        <MDBCard>
-          <MDBCardBody>
-            <MDBCardTitle class="d-flex">
-              <span class="me-1">History</span>
-              <MDBBadge color="primary">/proc/meminfo</MDBBadge>
-            </MDBCardTitle>
-            <MDBCardText>
-              This section contains memory usage changes over time.
-            </MDBCardText>
-            <code>TODO</code>
-          </MDBCardBody>
-        </MDBCard>
+      <MDBCol md="12" v-if="report">
+        <ReportHistoryProcStat :report="report"/>
+      </MDBCol>
+
+      <MDBCol md="12" v-if="report">
+        <ReportHistoryProcMeminfo :report="report"/>
       </MDBCol>
 
     </MDBRow>
@@ -116,33 +61,19 @@
 </template>
 
 <script>
-import {
-  MDBBadge,
-  MDBCard,
-  MDBCardBody,
-  MDBCardText,
-  MDBCardTitle,
-  MDBCol,
-  MDBContainer,
-  MDBFile,
-  MDBNavbar,
-  MDBNavbarItem,
-  MDBNavbarNav,
-  MDBRow,
-  MDBTabContent,
-  MDBTabItem,
-  MDBTabNav,
-  MDBTabPane,
-  MDBTabs
-} from 'mdb-vue-ui-kit';
-import Summary from "@/components/Summary";
-import History from "@/components/History";
+import {MDBCard, MDBCardBody, MDBCardText, MDBCardTitle, MDBCol, MDBContainer, MDBFile, MDBNavbar, MDBNavbarItem, MDBNavbarNav, MDBRow} from 'mdb-vue-ui-kit';
+import ReportSummary from "@/components/report/summary/ReportSummary";
+import ReportHistoryProcMeminfo from "@/components/report/history/ReportHistoryProcMeminfo";
+import ReportHistoryProcStat from "@/components/report/history/ReportHistoryProcStat";
+import ReportDetails from "@/components/report/ReportDetails";
 import {ref} from "vue";
 
 export default {
   components: {
-    History,
-    Summary,
+    ReportDetails,
+    ReportHistoryProcStat,
+    ReportHistoryProcMeminfo,
+    ReportSummary,
     MDBNavbar,
     MDBNavbarNav,
     MDBNavbarItem,
@@ -153,100 +84,30 @@ export default {
     MDBFile,
     MDBRow,
     MDBCol,
-    MDBTabs,
-    MDBTabNav,
-    MDBTabItem,
-    MDBTabContent,
-    MDBTabPane,
-    MDBCardText,
-    MDBBadge
+    MDBCardText
   },
   props: {
     msg: String
   },
   watch: {
     files: async function (value) {
-      this.rawData = (await this.fileToString(value[0])).split(/\r?\n/).map(l => l.split(" "));
-      const firstLineData = this.rawData[0].slice(1).map(i => parseInt(i));
-      const lastLineData = this.rawData[this.rawData.length - 1].slice(1).map(i => parseInt(i));
-      // update summary
-      this.summarySeriesAll = lastLineData;
-      this.summarySeries = lastLineData.map((i, index) => i - firstLineData[index]);
-      this.summaryLoaded = true;
-      // update history
-      this.dataLabels.forEach((label, index) => {
-        this.historySeries[label] = this.calculateHistory(this.rawData, index);
-      });
-    },
-    summarySeries: function (value) {
-      this.summaryStats = this.calculateSummaryStats(value);
-    },
-    summarySeriesAll: function (value) {
-      this.summaryStatsAll = this.calculateSummaryStats(value);
+      let formData = new FormData();
+      formData.append('file', value[0]);
+      this.report = await this.axios.post('/v1/parse', formData, {headers: {'Content-Type': 'multipart/form-data'}})
+          .then((response) => response.data)
+          .catch((error) => console.log(error));
     }
   },
   setup: function () {
     return {
-      dataLabels: ['user', 'nice', 'system', 'idle', 'iowait', 'irq', 'softirq', 'steal', 'guest', 'guest_nice'],
       appUrl: process.env.VUE_APP_URL
     }
   },
   data: function () {
     return {
       files: ref([]),
-      rawData: undefined,
-      // summary
-      summaryTab: ref('summary-current-run'),
-      summaryLoaded: false,
-      summaryStats: [],
-      summaryStatsAll: [],
-      summarySeries: [],
-      summarySeriesAll: [],
-      // steal
-      historyTab: ref('history-steal'),
-      historySeries: {},
+      report: ref(),
     };
-  },
-  methods: {
-    fileToString(file) {
-      return new Promise((resolve, reject) => {
-        const reader = new FileReader();
-        reader.readAsText(file, "UTF-8");
-        reader.onload = event => resolve(event.target.result)
-        reader.onerror = event => reject(event);
-      });
-    },
-    calculateSummaryStats(data) {
-      const dataTotal = data.reduce((a, b) => a + b, 0);
-      let stats = [];
-      this.dataLabels.forEach((label, index) => {
-        stats[index] = {
-          name: label,
-          value: data[index],
-          percent: (data[index] / dataTotal) * 100
-        }
-      });
-      stats.sort((a, b) => {
-        return (a.value > b.value) ? -1 : 1;
-      });
-      return stats;
-    },
-    calculateHistory(rawData, index) {
-      let history = [];
-      let lastTotal = 0;
-      let lastValue = 0;
-      rawData.forEach(line => {
-        const date = new Date(line[0]);
-        const rawValue = parseInt(line[index + 1]);
-        const value = rawValue - lastValue;
-        const rawTotal = line.slice(1).map(i => parseInt(i)).reduce((a, b) => a + b, 0);
-        const total = rawTotal - lastTotal;
-        history.push([date, ((value / total) * 100)])
-        lastTotal = rawTotal;
-        lastValue = rawValue;
-      })
-      return history;
-    }
   }
 }
 </script>

frontend/src/components/report/ReportDetails.vue

@@ -0,0 +1,53 @@
+<template>
+  <MDBCard>
+    <MDBCardBody>
+      <MDBCardTitle class="d-flex">
+        <span class="me-1">Report from {{ new Date().toLocaleString() }}</span>
+        <MDBBadge color="primary">OT-v1.0</MDBBadge>
+      </MDBCardTitle>
+      <MDBRow>
+        <MDBCol md="12">
+          <MDBTable class="mb-0">
+            <thead>
+            <tr>
+              <th scope="col">#</th>
+              <th scope="col">Value</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr v-for="key in Object.keys(meta)" :key="key">
+              <th scope="row">{{ key }}</th>
+              <td>{{ meta[key] }}</td>
+            </tr>
+            </tbody>
+          </MDBTable>
+        </MDBCol>
+      </MDBRow>
+    </MDBCardBody>
+  </MDBCard>
+</template>
+
+<script>
+import {MDBBadge, MDBCard, MDBCardBody, MDBCardTitle, MDBTable, MDBRow, MDBCol} from "mdb-vue-ui-kit";
+
+export default {
+  components: {
+    MDBCard,
+    MDBCardBody,
+    MDBCardTitle,
+    MDBTable,
+    MDBBadge,
+    MDBRow,
+    MDBCol
+  },
+  props: {
+    meta: Object
+  }
+}
+</script>
+
+<style scoped>
+table th, table td {
+  padding: .2em;
+}
+</style>

frontend/src/components/report/history/ReportHistoryPage.vue

@@ -1,5 +1,5 @@
 <template>
-  <apexchart type="line" height="300" :options="chartOptions" :series="[{name: name, data: chartSeries}]"></apexchart>
+  <apexchart type="line" height="300" :options="chartOptions" :series="chartSeries"></apexchart>
 </template>
 
 <script>
@@ -7,20 +7,24 @@ export default {
   components: {
   },
   props: {
-    name: {
-      type: String
+    chartSeries: {
+      type: Array
+    },
+    yFormatter: {
+      type: Function,
+      default: function (value) {
+        return value.toFixed(3) + '%';
+      }
     },
     chartOptions: {
       type: Object,
-      default: function () {
+      default: function (props) {
         return {
           fill: {type: 'solid'},
           xaxis: {type: 'datetime'},
           yaxis: {
             labels: {
-              formatter: function (value) {
-                return value.toFixed(3) + '%';
-              }
+              formatter: props.yFormatter
             },
           },
           tooltip: {
@@ -34,9 +38,6 @@ export default {
         };
       }
     },
-    chartSeries: {
-      type: Array
-    }
   }
 }
 </script>

frontend/src/components/report/history/ReportHistoryProcMeminfo.vue

@@ -0,0 +1,90 @@
+<template>
+  <MDBCard>
+    <MDBCardBody>
+      <MDBCardTitle class="d-flex">
+        <span class="me-1">History</span>
+        <MDBBadge color="primary">/proc/meminfo</MDBBadge>
+      </MDBCardTitle>
+      <MDBCardText>
+        This section contains memory usage changes over time.
+      </MDBCardText>
+      <!--suppress RequiredAttributes -->
+      <MDBTabs v-model="historyTab">
+        <MDBTabNav tabsClasses="mb-3">
+          <MDBTabItem tab-id="history-mem" href="history-mem">Memory</MDBTabItem>
+          <MDBTabItem tab-id="history-swap" href="history-swap">Swap</MDBTabItem>
+        </MDBTabNav>
+        <MDBTabContent>
+          <MDBTabPane tab-id="history-mem">
+            <ReportHistoryPage :key="historyTab" :chart-series="memSeries" :y-formatter="yFormatter"/>
+          </MDBTabPane>
+          <MDBTabPane tab-id="history-swap">
+            <ReportHistoryPage :key="historyTab" :chart-series="swapSeries" :y-formatter="yFormatter"/>
+          </MDBTabPane>
+        </MDBTabContent>
+      </MDBTabs>
+    </MDBCardBody>
+  </MDBCard>
+</template>
+
+<script>
+import {MDBBadge, MDBCard, MDBCardBody, MDBCardText, MDBCardTitle, MDBTabContent, MDBTabItem, MDBTabNav, MDBTabPane, MDBTabs} from "mdb-vue-ui-kit";
+import ReportHistoryPage from "@/components/report/history/ReportHistoryPage";
+import {ref} from "vue";
+
+export default {
+  components: {
+    ReportHistoryPage,
+    MDBCard,
+    MDBCardBody,
+    MDBCardTitle,
+    MDBCardText,
+    MDBBadge,
+    MDBTabs,
+    MDBTabNav,
+    MDBTabItem,
+    MDBTabContent,
+    MDBTabPane,
+  },
+  props: {
+    report: {
+      type: Object
+    }
+  },
+  data: function () {
+
+    const memMetrics = ['mem/total', 'mem/free', 'mem/available', 'mem/buffers', 'mem/cached'];
+    const swapMetrics = ['swap/cached', 'swap/total', 'swap/free'];
+
+    const header = this.report.header;
+    const data = this.report.data;
+    const timeIndex = header.indexOf("timestamp");
+
+    const memSeries = memMetrics.map(metric => {
+      const index = header.indexOf(metric);
+      return {name: metric, data: data.map(entry => [new Date(entry[timeIndex] * 1000), entry[index]])}
+    })
+
+    const swapSeries = swapMetrics.map(metric => {
+      const index = header.indexOf(metric);
+      return {name: metric, data: data.map(entry => [new Date(entry[timeIndex] * 1000), entry[index]])}
+    })
+
+    return {
+      historyTab: ref('history-mem'),
+      memSeries,
+      swapSeries
+    }
+  },
+  methods: {
+    yFormatter(value) {
+      return this.formatBytes(value * 1024);
+    },
+    formatBytes(value) {
+      let b = 0, c = parseInt(value, 10) || 0;
+      for (; 1024 <= c && ++b;) c /= 1024;
+      return c.toFixed(10 > c && 0 < b ? 1 : 0) + " " + ["bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"][b]
+    }
+  }
+}
+</script>

frontend/src/components/report/history/ReportHistoryProcStat.vue

@@ -0,0 +1,82 @@
+<template>
+  <MDBCard>
+    <MDBCardBody>
+      <MDBCardTitle class="d-flex">
+        <span class="me-1">History</span>
+        <MDBBadge color="primary">/proc/stat</MDBBadge>
+      </MDBCardTitle>
+      <MDBCardText>
+        This section contains data (currently <code>{{ historyTab.replace('history-', '') }}</code>) changes over time represented as a relative (percent) share of the total CPU time.
+      </MDBCardText>
+      <!--suppress RequiredAttributes -->
+      <MDBTabs v-model="historyTab">
+        <MDBTabNav tabsClasses="mb-3">
+          <MDBTabItem v-for="series in historySeries" :key="series.name" :tabId="`history-${series.name}`" :href="`history-${series.name}`">{{ series.name }}</MDBTabItem>
+        </MDBTabNav>
+        <MDBTabContent>
+          <MDBTabPane v-for="series in historySeries" :key="series.name" :tabId="`history-${series.name}`">
+            <ReportHistoryPage :key="historyTab" :name="series.name" :chart-series="[series]"/>
+          </MDBTabPane>
+        </MDBTabContent>
+      </MDBTabs>
+    </MDBCardBody>
+  </MDBCard>
+</template>
+
+<script>
+import {MDBBadge, MDBCard, MDBCardBody, MDBCardText, MDBCardTitle, MDBTabContent, MDBTabItem, MDBTabNav, MDBTabPane, MDBTabs} from "mdb-vue-ui-kit";
+import ReportHistoryPage from "@/components/report/history/ReportHistoryPage";
+import {ref} from "vue";
+
+export default {
+  components: {
+    ReportHistoryPage,
+    MDBCard,
+    MDBCardBody,
+    MDBCardTitle,
+    MDBCardText,
+    MDBTabs,
+    MDBTabNav,
+    MDBTabItem,
+    MDBTabContent,
+    MDBTabPane,
+    MDBBadge,
+  },
+  props: {
+    report: {
+      type: Object
+    }
+  },
+  data: function() {
+
+    const metrics = ['cpu/user', 'cpu/nice', 'cpu/system', 'cpu/idle', 'cpu/iowait', 'cpu/irq', 'cpu/softirq', 'cpu/steal', 'cpu/guest', 'cpu/guest_nice'];
+    const header = this.report.header;
+    const data = this.report.data;
+
+    const timeIndex = header.indexOf("timestamp");
+    const cpuDataSums = data
+        .map(row => this.rowSlice(row, header, metrics))
+        .map(row => row.reduce((a, b) => a + b, 0))
+
+    const series = metrics.map(metric => {
+      const index = header.indexOf(metric);
+      return {
+        name: metric.replace('cpu/', ''),
+        data: data.map((entry, i) => [new Date(entry[timeIndex] * 1000), (entry[index] / cpuDataSums[i] * 100)])
+      }
+    });
+
+    return {
+      historyTab: ref('history-steal'),
+      historySeries: series
+    }
+  },
+  methods: {
+    rowSlice(row, header, metrics) {
+      return row.filter((value, index) => {
+        return metrics.includes(header[index]);
+      });
+    }
+  }
+}
+</script>

frontend/src/components/report/summary/ReportSummary.vue

@@ -0,0 +1,100 @@
+<template>
+  <MDBCard>
+    <MDBCardBody>
+      <MDBCardTitle class="d-flex">
+        <span class="me-1">Summary</span>
+        <MDBBadge color="primary">/proc/stat</MDBBadge>
+      </MDBCardTitle>
+      <MDBCardText>
+        This section contains raw data from <code>/proc/stat</code>, visualised and with calculated relative (percent) share of the total CPU time.
+        <ul>
+          <li><em>Current run</em> represents the data between the start and the end of the report generation.</li>
+          <li><em>All time</em> represents absolute values from the last system restart until the end of the report generation.</li>
+        </ul>
+      </MDBCardText>
+      <!--suppress RequiredAttributes -->
+      <MDBTabs v-model="summaryTab">
+        <MDBTabNav tabsClasses="mb-3">
+          <MDBTabItem tabId="summary-current-run" href="summary-current-run">Current run</MDBTabItem>
+          <MDBTabItem tabId="summary-all-time" href="summary-all-time">All time</MDBTabItem>
+        </MDBTabNav>
+        <MDBTabContent>
+          <MDBTabPane tabId="summary-current-run">
+            <ReportSummaryPage :key="summaryTab" :stats="summaryCurrent.stats" :chart-series="summaryCurrent.series"/>
+          </MDBTabPane>
+          <MDBTabPane tabId="summary-all-time">
+            <ReportSummaryPage :key="summaryTab" :stats="summaryAll.stats" :chart-series="summaryAll.series"/>
+          </MDBTabPane>
+        </MDBTabContent>
+      </MDBTabs>
+    </MDBCardBody>
+  </MDBCard>
+</template>
+
+<script>
+import {MDBBadge, MDBCard, MDBCardBody, MDBCardText, MDBCardTitle, MDBTabContent, MDBTabItem, MDBTabNav, MDBTabPane, MDBTabs} from "mdb-vue-ui-kit";
+import ReportSummaryPage from "@/components/report/summary/ReportSummaryPage";
+import {ref} from "vue";
+
+export default {
+  components: {
+    MDBCard,
+    MDBCardBody,
+    MDBCardTitle,
+    MDBCardText,
+    MDBTabs,
+    MDBTabNav,
+    MDBTabItem,
+    MDBTabContent,
+    MDBTabPane,
+    MDBBadge,
+    ReportSummaryPage,
+  },
+  props: {
+    report: {
+      type: Object
+    }
+  },
+  data: function () {
+
+    const metrics = ['cpu/user', 'cpu/nice', 'cpu/system', 'cpu/idle', 'cpu/iowait', 'cpu/irq', 'cpu/softirq', 'cpu/steal', 'cpu/guest', 'cpu/guest_nice'];
+    const header = this.report.header;
+    const data = this.report.data;
+
+    return {
+      summaryTab: ref('summary-current-run'),
+      summaryCurrent: this.getSummaryCurrent(metrics, header, data),
+      summaryAll: this.getSummaryAll(metrics, header, data),
+    }
+  },
+  methods: {
+    getSummaryCurrent(metrics, header, data) {
+      const firstRow = data[0];
+      const lastRow = data[data.length - 1];
+      const dataRow = lastRow.map((value, index) => value - firstRow[index]);
+      return this.getSummary(metrics, header, dataRow)
+    },
+    getSummaryAll(metrics, header, data) {
+      const dataRow = data[data.length - 1];
+      return this.getSummary(metrics, header, dataRow)
+    },
+    getSummary(metrics, header, dataRow) {
+      const stats = metrics.map(metric => {
+        const name = metric.replace('cpu/', '');
+        const value = dataRow[header.indexOf(metric)];
+        const percent = value / this.rowSlice(dataRow, header, metrics).reduce((a, b) => a + b, 0) * 100;
+        return {name, value, percent: (Number.isNaN(percent) ? 0 : percent)};
+      });
+      return {
+        series: stats.map(stat => stat.value),
+        stats: stats.sort((a, b) => (a.value > b.value) ? -1 : 1)
+      }
+    },
+    rowSlice(row, header, metrics) {
+      return row.filter((value, index) => {
+        return metrics.includes(header[index]);
+      });
+    }
+  }
+}
+</script>

frontend/src/plugins/font-awesome.js

@@ -4,10 +4,12 @@ import {FontAwesomeIcon, FontAwesomeLayers} from '@fortawesome/vue-fontawesome'
 import {faGithub} from "@fortawesome/free-brands-svg-icons/faGithub";
 import {faExclamationTriangle} from "@fortawesome/free-solid-svg-icons/faExclamationTriangle";
 import {faQuestionCircle} from "@fortawesome/free-solid-svg-icons/faQuestionCircle";
+import {faCheck} from "@fortawesome/free-solid-svg-icons/faCheck";
 
 library.add(faGithub);
 library.add(faExclamationTriangle);
 library.add(faQuestionCircle);
+library.add(faCheck);
 
 export default (app) => {
     app.component('font-awesome-icon', FontAwesomeIcon);