From c6fe79809286ca4a886a2a8e01efb4201bb5a2c1 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 3 Jan 2021 22:38:32 +0900
Subject: [PATCH] =?UTF-8?q?=E3=82=B5=E3=83=BC=E3=83=90=E3=83=BC=E6=83=85?=
 =?UTF-8?q?=E5=A0=B1=E3=82=A6=E3=82=A3=E3=82=B8=E3=82=A7=E3=83=83=E3=83=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 locales/ja-JP.yml                            |   1 +
 src/client/components/drive.file.vue         |   2 +-
 src/client/widgets/index.ts                  |   2 +
 src/client/widgets/server-metric/cpu-mem.vue | 174 +++++++++++++++++++
 src/client/widgets/server-metric/cpu.vue     |  78 +++++++++
 src/client/widgets/server-metric/disk.vue    |  72 ++++++++
 src/client/widgets/server-metric/index.vue   |  84 +++++++++
 src/client/widgets/server-metric/mem.vue     |  87 ++++++++++
 src/client/widgets/server-metric/net.vue     | 148 ++++++++++++++++
 src/client/widgets/server-metric/pie.vue     |  65 +++++++
 src/daemons/server-stats.ts                  |  17 +-
 src/server/api/endpoints/server-info.ts      |  35 ++++
 12 files changed, 757 insertions(+), 8 deletions(-)
 create mode 100644 src/client/widgets/server-metric/cpu-mem.vue
 create mode 100644 src/client/widgets/server-metric/cpu.vue
 create mode 100644 src/client/widgets/server-metric/disk.vue
 create mode 100644 src/client/widgets/server-metric/index.vue
 create mode 100644 src/client/widgets/server-metric/mem.vue
 create mode 100644 src/client/widgets/server-metric/net.vue
 create mode 100644 src/client/widgets/server-metric/pie.vue
 create mode 100644 src/server/api/endpoints/server-info.ts

diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 9135cfda8..51f8672ba 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1030,6 +1030,7 @@ _widgets:
   slideshow: "スライドショー"
   button: "ボタン"
   onlineUsers: "オンラインユーザー"
+  serverMetric: "サーバーメトリクス"
 
 _cw:
   hide: "隠す"
diff --git a/src/client/components/drive.file.vue b/src/client/components/drive.file.vue
index ddee81261..d2b8b95f7 100644
--- a/src/client/components/drive.file.vue
+++ b/src/client/components/drive.file.vue
@@ -36,7 +36,7 @@ import { faEye, faEyeSlash } from '@fortawesome/free-regular-svg-icons';
 import { faDownload, faLink, faICursor, faTrashAlt } from '@fortawesome/free-solid-svg-icons';
 import copyToClipboard from '@/scripts/copy-to-clipboard';
 import MkDriveFileThumbnail from './drive-file-thumbnail.vue';
-import bytes from '../filters/bytes';
+import bytes from '@/filters/bytes';
 import * as os from '@/os';
 
 export default defineComponent({
diff --git a/src/client/widgets/index.ts b/src/client/widgets/index.ts
index 2c99a7307..8e9232cd9 100644
--- a/src/client/widgets/index.ts
+++ b/src/client/widgets/index.ts
@@ -14,6 +14,7 @@ export default function(app: App) {
 	app.component('MkwFederation', defineAsyncComponent(() => import('./federation.vue')));
 	app.component('MkwPostForm', defineAsyncComponent(() => import('./post-form.vue')));
 	app.component('MkwSlideshow', defineAsyncComponent(() => import('./slideshow.vue')));
+	app.component('MkwServerMetric', defineAsyncComponent(() => import('./server-metric/index.vue')));
 	app.component('MkwOnlineUsers', defineAsyncComponent(() => import('./online-users.vue')));
 	app.component('MkwButton', defineAsyncComponent(() => import('./button.vue')));
 }
@@ -32,6 +33,7 @@ export const widgets = [
 	'federation',
 	'postForm',
 	'slideshow',
+	'serverMetric',
 	'onlineUsers',
 	'button',
 ];
diff --git a/src/client/widgets/server-metric/cpu-mem.vue b/src/client/widgets/server-metric/cpu-mem.vue
new file mode 100644
index 000000000..f1c31d7cd
--- /dev/null
+++ b/src/client/widgets/server-metric/cpu-mem.vue
@@ -0,0 +1,174 @@
+<template>
+<div class="lcfyofjk">
+	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
+		<defs>
+			<linearGradient :id="cpuGradientId" x1="0" x2="0" y1="1" y2="0">
+				<stop offset="0%" stop-color="hsl(180, 80%, 70%)"></stop>
+				<stop offset="100%" stop-color="hsl(0, 80%, 70%)"></stop>
+			</linearGradient>
+			<mask :id="cpuMaskId" x="0" y="0" :width="viewBoxX" :height="viewBoxY">
+				<polygon
+					:points="cpuPolygonPoints"
+					fill="#fff"
+					fill-opacity="0.5"
+				/>
+				<polyline
+					:points="cpuPolylinePoints"
+					fill="none"
+					stroke="#fff"
+					stroke-width="1"
+				/>
+				<circle
+					:cx="cpuHeadX"
+					:cy="cpuHeadY"
+					r="1.5"
+					fill="#fff"
+				/>
+			</mask>
+		</defs>
+		<rect
+			x="-2" y="-2"
+			:width="viewBoxX + 4" :height="viewBoxY + 4"
+			:style="`stroke: none; fill: url(#${ cpuGradientId }); mask: url(#${ cpuMaskId })`"
+		/>
+		<text x="1" y="5">CPU <tspan>{{ cpuP }}%</tspan></text>
+	</svg>
+	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
+		<defs>
+			<linearGradient :id="memGradientId" x1="0" x2="0" y1="1" y2="0">
+				<stop offset="0%" stop-color="hsl(180, 80%, 70%)"></stop>
+				<stop offset="100%" stop-color="hsl(0, 80%, 70%)"></stop>
+			</linearGradient>
+			<mask :id="memMaskId" x="0" y="0" :width="viewBoxX" :height="viewBoxY">
+				<polygon
+					:points="memPolygonPoints"
+					fill="#fff"
+					fill-opacity="0.5"
+				/>
+				<polyline
+					:points="memPolylinePoints"
+					fill="none"
+					stroke="#fff"
+					stroke-width="1"
+				/>
+				<circle
+					:cx="memHeadX"
+					:cy="memHeadY"
+					r="1.5"
+					fill="#fff"
+				/>
+			</mask>
+		</defs>
+		<rect
+			x="-2" y="-2"
+			:width="viewBoxX + 4" :height="viewBoxY + 4"
+			:style="`stroke: none; fill: url(#${ memGradientId }); mask: url(#${ memMaskId })`"
+		/>
+		<text x="1" y="5">MEM <tspan>{{ memP }}%</tspan></text>
+	</svg>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import { v4 as uuid } from 'uuid';
+
+export default defineComponent({
+	props: {
+		connection: {
+			required: true,
+		},
+		meta: {
+			required: true,
+		}
+	},
+	data() {
+		return {
+			viewBoxX: 50,
+			viewBoxY: 30,
+			stats: [],
+			cpuGradientId: uuid(),
+			cpuMaskId: uuid(),
+			memGradientId: uuid(),
+			memMaskId: uuid(),
+			cpuPolylinePoints: '',
+			memPolylinePoints: '',
+			cpuPolygonPoints: '',
+			memPolygonPoints: '',
+			cpuHeadX: null,
+			cpuHeadY: null,
+			memHeadX: null,
+			memHeadY: null,
+			cpuP: '',
+			memP: ''
+		};
+	},
+	mounted() {
+		this.connection.on('stats', this.onStats);
+		this.connection.on('statsLog', this.onStatsLog);
+		this.connection.send('requestLog', {
+			id: Math.random().toString().substr(2, 8)
+		});
+	},
+	beforeUnmount() {
+		this.connection.off('stats', this.onStats);
+		this.connection.off('statsLog', this.onStatsLog);
+	},
+	methods: {
+		onStats(stats) {
+			this.stats.push(stats);
+			if (this.stats.length > 50) this.stats.shift();
+
+			const cpuPolylinePoints = this.stats.map((s, i) => [this.viewBoxX - ((this.stats.length - 1) - i), (1 - s.cpu) * this.viewBoxY]);
+			const memPolylinePoints = this.stats.map((s, i) => [this.viewBoxX - ((this.stats.length - 1) - i), (1 - (s.mem.used / this.meta.mem.total)) * this.viewBoxY]);
+			this.cpuPolylinePoints = cpuPolylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
+			this.memPolylinePoints = memPolylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
+
+			this.cpuPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${this.viewBoxY} ${this.cpuPolylinePoints} ${this.viewBoxX},${this.viewBoxY}`;
+			this.memPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${this.viewBoxY} ${this.memPolylinePoints} ${this.viewBoxX},${this.viewBoxY}`;
+
+			this.cpuHeadX = cpuPolylinePoints[cpuPolylinePoints.length - 1][0];
+			this.cpuHeadY = cpuPolylinePoints[cpuPolylinePoints.length - 1][1];
+			this.memHeadX = memPolylinePoints[memPolylinePoints.length - 1][0];
+			this.memHeadY = memPolylinePoints[memPolylinePoints.length - 1][1];
+
+			this.cpuP = (stats.cpu * 100).toFixed(0);
+			this.memP = (stats.mem.used / this.meta.mem.total * 100).toFixed(0);
+		},
+		onStatsLog(statsLog) {
+			for (const stats of [...statsLog].reverse()) {
+				this.onStats(stats);
+			}
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.lcfyofjk {
+	display: flex;
+
+	> svg {
+		display: block;
+		padding: 10px;
+		width: 50%;
+
+		&:first-child {
+			padding-right: 5px;
+		}
+
+		&:last-child {
+			padding-left: 5px;
+		}
+
+		> text {
+			font-size: 5px;
+			fill: currentColor;
+
+			> tspan {
+				opacity: 0.5;
+			}
+		}
+	}
+}
+</style>
diff --git a/src/client/widgets/server-metric/cpu.vue b/src/client/widgets/server-metric/cpu.vue
new file mode 100644
index 000000000..f1574522c
--- /dev/null
+++ b/src/client/widgets/server-metric/cpu.vue
@@ -0,0 +1,78 @@
+<template>
+<div class="vrvdvrys">
+	<XPie class="pie" :value="usage"/>
+	<div>
+		<p><fa :icon="faMicrochip"/>CPU</p>
+		<p>{{ meta.cpu.cores }} Logical cores</p>
+		<p>{{ meta.cpu.model }}</p>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import { faMicrochip } from '@fortawesome/free-solid-svg-icons';
+import XPie from './pie.vue';
+
+export default defineComponent({
+	components: {
+		XPie
+	},
+	props: {
+		connection: {
+			required: true,
+		},
+		meta: {
+			required: true,
+		}
+	},
+	data() {
+		return {
+			usage: 0,
+			faMicrochip,
+		};
+	},
+	mounted() {
+		this.connection.on('stats', this.onStats);
+	},
+	beforeUnmount() {
+		this.connection.off('stats', this.onStats);
+	},
+	methods: {
+		onStats(stats) {
+			this.usage = stats.cpu;
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.vrvdvrys {
+	display: flex;
+	padding: 16px;
+
+	> .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;
+
+				> [data-icon] {
+					margin-right: 4px;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/src/client/widgets/server-metric/disk.vue b/src/client/widgets/server-metric/disk.vue
new file mode 100644
index 000000000..41f967d29
--- /dev/null
+++ b/src/client/widgets/server-metric/disk.vue
@@ -0,0 +1,72 @@
+<template>
+<div class="zbwaqsat">
+	<XPie class="pie" :value="usage"/>
+	<div>
+		<p><fa :icon="faHdd"/>Disk</p>
+		<p>Total: {{ bytes(total, 1) }}</p>
+		<p>Free: {{ bytes(available, 1) }}</p>
+		<p>Used: {{ bytes(used, 1) }}</p>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import { faHdd } from '@fortawesome/free-solid-svg-icons';
+import XPie from './pie.vue';
+import bytes from '@/filters/bytes';
+
+export default defineComponent({
+	components: {
+		XPie
+	},
+	props: {
+		meta: {
+			required: true,
+		}
+	},
+	data() {
+		return {
+			usage: this.meta.fs.used / this.meta.fs.total,
+			total: this.meta.fs.total,
+			used: this.meta.fs.used,
+			available: this.meta.fs.total - this.meta.fs.used,
+			faHdd,
+		};
+	},
+	methods: {
+		bytes
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.zbwaqsat {
+	display: flex;
+	padding: 16px;
+
+	> .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;
+
+				> [data-icon] {
+					margin-right: 4px;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/src/client/widgets/server-metric/index.vue b/src/client/widgets/server-metric/index.vue
new file mode 100644
index 000000000..2ce87ba41
--- /dev/null
+++ b/src/client/widgets/server-metric/index.vue
@@ -0,0 +1,84 @@
+<template>
+<MkContainer :show-header="props.showHeader" :naked="props.transparent">
+	<template #header><Fa :icon="faServer"/>{{ $ts._widgets.serverMetric }}</template>
+	<template #func><button @click="toggleView()" class="_button"><Fa :icon="faSort"/></button></template>
+
+	<div class="mkw-serverMetric" v-if="meta">
+		<XCpuMemory v-if="props.view === 0" :connection="connection" :meta="meta"/>
+		<XNet v-if="props.view === 1" :connection="connection" :meta="meta"/>
+		<XCpu v-if="props.view === 2" :connection="connection" :meta="meta"/>
+		<XMemory v-if="props.view === 3" :connection="connection" :meta="meta"/>
+		<XDisk v-if="props.view === 4" :connection="connection" :meta="meta"/>
+	</div>
+</MkContainer>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import { faServer, faSort } from '@fortawesome/free-solid-svg-icons';
+import define from '../define';
+import MkContainer from '@/components/ui/container.vue';
+import XCpuMemory from './cpu-mem.vue';
+import XNet from './net.vue';
+import XCpu from './cpu.vue';
+import XMemory from './mem.vue';
+import XDisk from './disk.vue';
+import * as os from '@/os';
+
+const widget = define({
+	name: 'serverMetric',
+	props: () => ({
+		showHeader: {
+			type: 'boolean',
+			default: true,
+		},
+		transparent: {
+			type: 'boolean',
+			default: false,
+		},
+		view: {
+			type: 'number',
+			default: 0,
+			hidden: true,
+		},
+	})
+});
+
+export default defineComponent({
+	extends: widget,
+	components: {
+		MkContainer,
+		XCpuMemory,
+		XNet,
+		XCpu,
+		XMemory,
+		XDisk,
+	},
+	data() {
+		return {
+			meta: null,
+			connection: null,
+			faServer, faSort,
+		};
+	},
+	created() {
+		os.api('server-info', {}).then(res => {
+			this.meta = res;
+		});
+		this.connection = os.stream.useSharedConnection('serverStats');
+	},
+	unmounted() {
+		this.connection.dispose();
+	},
+	methods: {
+		toggleView() {
+			if (this.props.view == 4) {
+				this.props.view = 0;
+			} else {
+				this.props.view++;
+			}
+			this.save();
+		},
+	}
+});
+</script>
diff --git a/src/client/widgets/server-metric/mem.vue b/src/client/widgets/server-metric/mem.vue
new file mode 100644
index 000000000..eab23c1be
--- /dev/null
+++ b/src/client/widgets/server-metric/mem.vue
@@ -0,0 +1,87 @@
+<template>
+<div class="zlxnikvl">
+	<XPie class="pie" :value="usage"/>
+	<div>
+		<p><fa :icon="faMemory"/>RAM</p>
+		<p>Total: {{ bytes(total, 1) }}</p>
+		<p>Used: {{ bytes(used, 1) }}</p>
+		<p>Free: {{ bytes(free, 1) }}</p>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import { faMemory } from '@fortawesome/free-solid-svg-icons';
+import XPie from './pie.vue';
+import bytes from '@/filters/bytes';
+
+export default defineComponent({
+	components: {
+		XPie
+	},
+	props: {
+		connection: {
+			required: true,
+		},
+		meta: {
+			required: true,
+		}
+	},
+	data() {
+		return {
+			usage: 0,
+			total: 0,
+			used: 0,
+			free: 0,
+			faMemory,
+		};
+	},
+	mounted() {
+		this.connection.on('stats', this.onStats);
+	},
+	beforeUnmount() {
+		this.connection.off('stats', this.onStats);
+	},
+	methods: {
+		onStats(stats) {
+			this.usage = stats.mem.used / this.meta.mem.total;
+			this.total = this.meta.mem.total;
+			this.used = stats.mem.used;
+			this.free = this.meta.mem.total - stats.mem.used;
+		},
+		bytes
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.zlxnikvl {
+	display: flex;
+	padding: 16px;
+
+	> .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;
+
+				> [data-icon] {
+					margin-right: 4px;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/src/client/widgets/server-metric/net.vue b/src/client/widgets/server-metric/net.vue
new file mode 100644
index 000000000..23c148eeb
--- /dev/null
+++ b/src/client/widgets/server-metric/net.vue
@@ -0,0 +1,148 @@
+<template>
+<div class="oxxrhrto">
+	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
+		<polygon
+			:points="inPolygonPoints"
+			fill="#94a029"
+			fill-opacity="0.5"
+		/>
+		<polyline
+			:points="inPolylinePoints"
+			fill="none"
+			stroke="#94a029"
+			stroke-width="1"
+		/>
+		<circle
+			:cx="inHeadX"
+			:cy="inHeadY"
+			r="1.5"
+			fill="#94a029"
+		/>
+		<text x="1" y="5">NET rx <tspan>{{ bytes(inRecent) }}</tspan></text>
+	</svg>
+	<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`">
+		<polygon
+			:points="outPolygonPoints"
+			fill="#ff9156"
+			fill-opacity="0.5"
+		/>
+		<polyline
+			:points="outPolylinePoints"
+			fill="none"
+			stroke="#ff9156"
+			stroke-width="1"
+		/>
+		<circle
+			:cx="outHeadX"
+			:cy="outHeadY"
+			r="1.5"
+			fill="#ff9156"
+		/>
+		<text x="1" y="5">NET tx <tspan>{{ bytes(outRecent) }}</tspan></text>
+	</svg>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import bytes from '@/filters/bytes';
+
+export default defineComponent({
+	props: {
+		connection: {
+			required: true,
+		},
+		meta: {
+			required: true,
+		}
+	},
+	data() {
+		return {
+			viewBoxX: 50,
+			viewBoxY: 30,
+			stats: [],
+			inPolylinePoints: '',
+			outPolylinePoints: '',
+			inPolygonPoints: '',
+			outPolygonPoints: '',
+			inHeadX: null,
+			inHeadY: null,
+			outHeadX: null,
+			outHeadY: null,
+			inRecent: 0,
+			outRecent: 0
+		};
+	},
+	mounted() {
+		this.connection.on('stats', this.onStats);
+		this.connection.on('statsLog', this.onStatsLog);
+		this.connection.send('requestLog', {
+			id: Math.random().toString().substr(2, 8)
+		});
+	},
+	beforeUnmount() {
+		this.connection.off('stats', this.onStats);
+		this.connection.off('statsLog', this.onStatsLog);
+	},
+	methods: {
+		onStats(stats) {
+			this.stats.push(stats);
+			if (this.stats.length > 50) this.stats.shift();
+
+			const inPeak = Math.max(1024 * 64, Math.max(...this.stats.map(s => s.net.rx)));
+			const outPeak = Math.max(1024 * 64, Math.max(...this.stats.map(s => s.net.tx)));
+
+			const inPolylinePoints = this.stats.map((s, i) => [this.viewBoxX - ((this.stats.length - 1) - i), (1 - (s.net.rx / inPeak)) * this.viewBoxY]);
+			const outPolylinePoints = this.stats.map((s, i) => [this.viewBoxX - ((this.stats.length - 1) - i), (1 - (s.net.tx / outPeak)) * this.viewBoxY]);
+			this.inPolylinePoints = inPolylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
+			this.outPolylinePoints = outPolylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
+
+			this.inPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${this.viewBoxY} ${this.inPolylinePoints} ${this.viewBoxX},${this.viewBoxY}`;
+			this.outPolygonPoints = `${this.viewBoxX - (this.stats.length - 1)},${this.viewBoxY} ${this.outPolylinePoints} ${this.viewBoxX},${this.viewBoxY}`;
+
+			this.inHeadX = inPolylinePoints[inPolylinePoints.length - 1][0];
+			this.inHeadY = inPolylinePoints[inPolylinePoints.length - 1][1];
+			this.outHeadX = outPolylinePoints[outPolylinePoints.length - 1][0];
+			this.outHeadY = outPolylinePoints[outPolylinePoints.length - 1][1];
+
+			this.inRecent = stats.net.rx;
+			this.outRecent = stats.net.tx;
+		},
+		onStatsLog(statsLog) {
+			for (const stats of [...statsLog].reverse()) {
+				this.onStats(stats);
+			}
+		},
+		bytes
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.oxxrhrto {
+	display: flex;
+
+	> svg {
+		display: block;
+		padding: 10px;
+		width: 50%;
+
+		&:first-child {
+			padding-right: 5px;
+		}
+
+		&:last-child {
+			padding-left: 5px;
+		}
+
+		> text {
+			font-size: 5px;
+			fill: currentColor;
+
+			> tspan {
+				opacity: 0.5;
+			}
+		}
+	}
+}
+</style>
diff --git a/src/client/widgets/server-metric/pie.vue b/src/client/widgets/server-metric/pie.vue
new file mode 100644
index 000000000..38dcf6fcd
--- /dev/null
+++ b/src/client/widgets/server-metric/pie.vue
@@ -0,0 +1,65 @@
+<template>
+<svg class="hsalcinq" viewBox="0 0 1 1" preserveAspectRatio="none">
+	<circle
+		:r="r"
+		cx="50%" cy="50%"
+		fill="none"
+		stroke-width="0.1"
+		stroke="rgba(0, 0, 0, 0.05)"
+	/>
+	<circle
+		:r="r"
+		cx="50%" cy="50%"
+		:stroke-dasharray="Math.PI * (r * 2)"
+		:stroke-dashoffset="strokeDashoffset"
+		fill="none"
+		stroke-width="0.1"
+		:stroke="color"
+	/>
+	<text x="50%" y="50%" dy="0.05" text-anchor="middle">{{ (value * 100).toFixed(0) }}%</text>
+</svg>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+
+export default defineComponent({
+	props: {
+		value: {
+			type: Number,
+			required: true
+		}
+	},
+	data() {
+		return {
+			r: 0.45
+		};
+	},
+	computed: {
+		color(): string {
+			return `hsl(${180 - (this.value * 180)}, 80%, 70%)`;
+		},
+		strokeDashoffset(): number {
+			return (1 - this.value) * (Math.PI * (this.r * 2));
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.hsalcinq {
+	display: block;
+	height: 100%;
+
+	> circle {
+		transform-origin: center;
+		transform: rotate(-90deg);
+		transition: stroke-dashoffset 0.5s ease;
+	}
+
+	> text {
+		font-size: 0.15px;
+		fill: currentColor;
+	}
+}
+</style>
diff --git a/src/daemons/server-stats.ts b/src/daemons/server-stats.ts
index 88df421ba..57691fbc0 100644
--- a/src/daemons/server-stats.ts
+++ b/src/daemons/server-stats.ts
@@ -6,6 +6,9 @@ const ev = new Xev();
 
 const interval = 2000;
 
+const roundCpu = (num: number) => Math.round(num * 1000) / 1000;
+const round = (num: number) => Math.round(num * 10) / 10;
+
 /**
  * Report server stats regularly
  */
@@ -23,18 +26,18 @@ export default function() {
 		const fsStats = await fs();
 
 		const stats = {
-			cpu: cpu,
+			cpu: roundCpu(cpu),
 			mem: {
-				used: memStats.used,
-				active: memStats.active,
+				used: round(memStats.used),
+				active: round(memStats.active),
 			},
 			net: {
-				rx: Math.max(0, netStats.rx_sec),
-				tx: Math.max(0, netStats.tx_sec),
+				rx: round(Math.max(0, netStats.rx_sec)),
+				tx: round(Math.max(0, netStats.tx_sec)),
 			},
 			fs: {
-				r: Math.max(0, fsStats.rIO_sec),
-				w: Math.max(0, fsStats.wIO_sec),
+				r: round(Math.max(0, fsStats.rIO_sec)),
+				w: round(Math.max(0, fsStats.wIO_sec)),
 			}
 		};
 		ev.emit('serverStats', stats);
diff --git a/src/server/api/endpoints/server-info.ts b/src/server/api/endpoints/server-info.ts
new file mode 100644
index 000000000..4e636d331
--- /dev/null
+++ b/src/server/api/endpoints/server-info.ts
@@ -0,0 +1,35 @@
+import * as os from 'os';
+import * as si from 'systeminformation';
+import define from '../define';
+
+export const meta = {
+	requireCredential: false as const,
+
+	desc: {
+	},
+
+	tags: ['meta'],
+
+	params: {
+	},
+};
+
+export default define(meta, async () => {
+	const memStats = await si.mem();
+	const fsStats = await si.fsSize();
+
+	return {
+		machine: os.hostname(),
+		cpu: {
+			model: os.cpus()[0].model,
+			cores: os.cpus().length
+		},
+		mem: {
+			total: memStats.total
+		},
+		fs: {
+			total: fsStats[0].size,
+			used: fsStats[0].used,
+		},
+	};
+});