From ea6fca97fd2ff9d60f59259171b34e5d3bdcb4ca Mon Sep 17 00:00:00 2001
From: ThatOneCalculator <kainoa@t1c.dev>
Date: Mon, 29 May 2023 15:10:25 -0700
Subject: [PATCH] feat: :sparkles: server metrics in admin overview

---
 .../src/pages/admin/overview.metrics.vue      | 145 ++++++++++++++++++
 packages/client/src/pages/admin/overview.vue  |   6 +
 2 files changed, 151 insertions(+)
 create mode 100644 packages/client/src/pages/admin/overview.metrics.vue

diff --git a/packages/client/src/pages/admin/overview.metrics.vue b/packages/client/src/pages/admin/overview.metrics.vue
new file mode 100644
index 0000000000..afd6552a6a
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.metrics.vue
@@ -0,0 +1,145 @@
+<template>
+	<div class="_panel" :class="$style.root">
+		<div class="ntjkdlsfk">
+			<div class="_panel">
+				<XPie class="pie" :value="cpuUsage" />
+				<div>
+					<p><i class="ph-cpu ph-bold ph-lg"></i>CPU</p>
+					<p>{{ meta.cpu.cores }} Logical cores</p>
+					<p>{{ meta.cpu.model }}</p>
+				</div>
+			</div>
+
+			<div class="_panel">
+				<XPie class="pie" :value="memUsage" />
+				<div>
+					<p><i class="ph-microchip ph-bold ph-lg"></i>RAM</p>
+					<p>Total: {{ bytes(memTotal, 1) }}</p>
+					<p>Used: {{ bytes(memUsed, 1) }}</p>
+					<p>Free: {{ bytes(memFree, 1) }}</p>
+				</div>
+			</div>
+
+			<div class="_panel">
+				<XPie class="pie" :value="diskUsage" />
+				<div>
+					<p><i class="ph-hard-drives ph-bold ph-lg"></i>Disk</p>
+					<p>Total: {{ bytes(diskTotal, 1) }}</p>
+					<p>Free: {{ bytes(diskAvailable, 1) }}</p>
+					<p>Used: {{ bytes(diskUsed, 1) }}</p>
+				</div>
+			</div>
+
+			<div class="_panel">
+				<XPie class="pie" :value="meiliProgress" />
+				<div>
+					<p>
+						<i class="ph-file-search ph-bold ph-lg"></i>MeiliSearch
+					</p>
+					<p>
+						{{ i18n.ts._widgets.meiliStatus }}: {{ meiliAvailable }}
+					</p>
+					<p>
+						{{ i18n.ts._widgets.meiliSize }}:
+						{{ bytes(meiliTotalSize, 1) }}
+					</p>
+					<p>
+						{{ i18n.ts._widgets.meiliIndexCount }}:
+						{{ meiliIndexCount }}
+					</p>
+				</div>
+			</div>
+		</div>
+	</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted } from "vue";
+import XPie from "../../widgets/server-metric/pie.vue";
+import bytes from "@/filters/bytes";
+import { stream } from "@/stream";
+import * as os from "@/os";
+import { i18n } from "@/i18n";
+
+const meta = await os.api("server-info", {});
+const serverStats = await os.api("stats", {});
+
+let cpuUsage: number = $ref(0);
+
+let memUsage: number = $ref(0);
+let memTotal: number = $ref(0);
+let memUsed: number = $ref(0);
+let memFree: number = $ref(0);
+
+let meiliProgress: number = $ref(0);
+let meiliTotalSize: number = $ref(0);
+let meiliIndexCount: number = $ref(0);
+let meiliAvailable: string = $ref("unavailable");
+
+const diskUsage = $computed(() => meta.fs.used / meta.fs.total);
+const diskTotal = $computed(() => meta.fs.total);
+const diskUsed = $computed(() => meta.fs.used);
+const diskAvailable = $computed(() => meta.fs.total - meta.fs.used);
+
+function onStats(stats) {
+	cpuUsage = stats.cpu;
+
+	memUsage = stats.mem.active / meta.mem.total;
+	memTotal = meta.mem.total;
+	memUsed = stats.mem.active;
+	memFree = memTotal - memUsed;
+
+	meiliTotalSize = stats.meilisearch.size;
+	meiliIndexCount = stats.meilisearch.indexed_count;
+	meiliAvailable = stats.meilisearch.health;
+	meiliProgress = meiliIndexCount / serverStats.notesCount;
+}
+
+const connection = stream.useChannel("serverStats");
+onMounted(() => {
+	connection.on("stats", onStats);
+	connection.dispose();
+});
+
+onUnmounted(() => {
+	connection.off("stats", onStats);
+	connection.dispose();
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	padding: 20px;
+}
+
+.ntjkdlsfk {
+	display: flex;
+	padding: 16px;
+
+	> ._panel {
+		> .pie {
+			height: 82px;
+			flex-shrink: 0;
+			margin-right: 16px;
+		}
+
+		> div {
+			flex: 1;
+
+			> p {
+				margin: 0;
+				font-size: 0.8em;
+
+				&:first-child {
+					font-weight: bold;
+					margin-bottom: 4px;
+
+					> i {
+						margin-right: 4px;
+					}
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.vue b/packages/client/src/pages/admin/overview.vue
index 4c3391ce43..67da86746e 100644
--- a/packages/client/src/pages/admin/overview.vue
+++ b/packages/client/src/pages/admin/overview.vue
@@ -50,6 +50,11 @@
 				<template #header>Inbox queue</template>
 				<XQueue domain="inbox" />
 			</MkFolder>
+
+			<MkFolder class="item">
+				<template #header>Server metrics</template>
+				<XMetrics domain="inbox" />
+			</MkFolder>
 		</div>
 	</MkSpacer>
 </template>
@@ -71,6 +76,7 @@ import XActiveUsers from "./overview.active-users.vue";
 import XStats from "./overview.stats.vue";
 import XModerators from "./overview.moderators.vue";
 import XHeatmap from "./overview.heatmap.vue";
+import XMetrics from "./overview.metrics.vue";
 import MkTagCloud from "@/components/MkTagCloud.vue";
 import { version, url } from "@/config";
 import * as os from "@/os";