2022-08-21 10:11:25 +00:00
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>ClickHouse Dashboard</title>
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<link rel="icon" href="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1NCIgaGVpZ2h0PSI0OCIgdmlld0JveD0iMCAwIDkgOCI+PHN0eWxlPi5ve2ZpbGw6I2ZjMH0ucntmaWxsOnJlZH08L3N0eWxlPjxwYXRoIGQ9Ik0wLDcgaDEgdjEgaC0xIHoiIGNsYXNzPSJyIi8+PHBhdGggZD0iTTAsMCBoMSB2NyBoLTEgeiIgY2xhc3M9Im8iLz48cGF0aCBkPSJNMiwwIGgxIHY4IGgtMSB6IiBjbGFzcz0ibyIvPjxwYXRoIGQ9Ik00LDAgaDEgdjggaC0xIHoiIGNsYXNzPSJvIi8+PHBhdGggZD0iTTYsMCBoMSB2OCBoLTEgeiIgY2xhc3M9Im8iLz48cGF0aCBkPSJNOCwzLjI1IGgxIHYxLjUgaC0xIHoiIGNsYXNzPSJvIi8+PC9zdmc+">
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<script src="https://cdn.jsdelivr.net/npm/uplot@1.6.21/dist/uPlot.iife.min.js"></script>
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<style>
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:root {
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--color: black;
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--background: linear-gradient(to bottom, #00CCFF, #00D0D0);
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--chart-background: white;
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--shadow-color: rgba(0, 0, 0, 0.25);
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--input-shadow-color: rgba(0, 255, 0, 1);
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--error-color: red;
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--legend-background: rgba(255, 255, 255, 0.75);
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--title-color: #666;
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--text-color: black;
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--edit-title-background: #FEE;
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--edit-title-border: #F88;
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--button-background-color: #FFCB80;
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--button-text-color: black;
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--new-chart-background-color: #EEE;
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--new-chart-text-color: black;
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--param-background-color: #EEE;
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--param-text-color: black;
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--input-background: white;
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--chart-button-hover-color: red;
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}
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[data-theme="dark"] {
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--color: white;
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--background: #151C2C;
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--chart-background: #1b2834;
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--shadow-color: rgba(0, 0, 0, 0);
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--input-shadow-color: rgba(255, 128, 0, 0.25);
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--error-color: #F66;
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--legend-background: rgba(255, 255, 255, 0.25);
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--title-color: white;
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--text-color: white;
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--edit-title-background: #364f69;
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--edit-title-border: #333;
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--button-background-color: orange;
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--button-text-color: black;
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--new-chart-background-color: #666;
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--new-chart-text-color: white;
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--param-background-color: #666;
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--param-text-color: white;
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--input-background: #364f69;
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--chart-button-hover-color: #F40;
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}
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* {
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box-sizing: border-box;
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}
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html, body {
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color: var(--color);
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height: 100%;
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overflow: auto;
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margin: 0;
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}
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body {
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font-family: Liberation Sans, DejaVu Sans, sans-serif, Noto Color Emoji, Apple Color Emoji, Segoe UI Emoji;
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padding: 1rem;
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overflow-x: hidden;
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background: var(--background);
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display: grid;
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grid-template-columns: auto;
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grid-template-rows: fit-content(10%) auto;
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}
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input {
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/* iPad, Safari */
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border-radius: 0;
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margin: 0;
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}
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#charts
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{
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height: 100%;
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display: flex;
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flex-flow: row wrap;
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gap: 1rem;
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}
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.chart {
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flex: 1 40%;
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min-width: 20rem;
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min-height: 16rem;
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background: var(--chart-background);
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box-shadow: 0 0 1rem var(--shadow-color);
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overflow: hidden;
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position: relative;
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}
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.chart div { position: absolute; }
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.inputs { font-size: 14pt; }
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#connection-params {
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margin-bottom: 0.5rem;
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display: grid;
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grid-template-columns: auto 15% 15%;
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column-gap: 0.25rem;
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}
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.inputs input {
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box-shadow: 0 0 1rem var(--shadow-color);
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padding: 0.25rem;
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}
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#chart-params input {
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margin-right: 0.25rem;
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}
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input {
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font-family: Liberation Sans, DejaVu Sans, sans-serif, Noto Color Emoji, Apple Color Emoji, Segoe UI Emoji;
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outline: none;
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border: none;
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font-size: 14pt;
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background-color: var(--input-background);
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color: var(--text-color);
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}
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.u-legend th { display: none; }
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.themes {
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float: right;
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font-size: 20pt;
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margin-bottom: 1rem;
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}
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#toggle-dark, #toggle-light {
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padding-right: 0.5rem;
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user-select: none;
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cursor: pointer;
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}
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#toggle-dark:hover, #toggle-light:hover {
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display: inline-block;
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transform: translate(1px, 1px);
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filter: brightness(125%);
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}
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#run {
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background: var(--button-background-color);
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color: var(--button-text-color);
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font-weight: bold;
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user-select: none;
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cursor: pointer;
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margin-bottom: 1rem;
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}
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#run:hover {
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filter: contrast(125%);
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}
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2022-11-01 16:19:26 +00:00
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#add, #reload {
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2022-08-21 10:11:25 +00:00
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font-weight: bold;
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user-select: none;
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cursor: pointer;
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padding-left: 0.5rem;
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padding-right: 0.5rem;
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background: var(--new-chart-background-color);
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color: var(--new-chart-text-color);
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float: right;
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margin-right: 0 !important;
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margin-left: 1rem;
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margin-bottom: 1rem;
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}
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2022-11-01 16:19:26 +00:00
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#add:hover, #reload:hover {
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2022-08-21 10:11:25 +00:00
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background: var(--button-background-color);
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}
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form {
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display: inline;
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}
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form .param_name {
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font-size: 14pt;
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padding: 0.25rem;
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background: var(--param-background-color);
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color: var(--param-text-color);
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display: inline-block;
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box-shadow: 0 0 1rem var(--shadow-color);
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margin-bottom: 1rem;
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}
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input:focus {
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box-shadow: 0 0 1rem var(--input-shadow-color);
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}
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.title {
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left: 50%;
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top: 0.25em;
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transform: translate(-50%, 0);
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font-size: 16pt;
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font-weight: bold;
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color: var(--title-color);
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z-index: 10;
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}
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.chart-buttons {
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cursor: pointer;
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display: none;
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position: absolute;
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top: 0.25rem;
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right: 0.25rem;
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font-size: 200%;
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color: #888;
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z-index: 10;
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}
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.chart-buttons a {
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margin-right: 0.25rem;
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}
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.chart-buttons a:hover {
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color: var(--chart-button-hover-color);
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}
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.query-editor {
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display: none;
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grid-template-columns: auto fit-content(10%);
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grid-template-rows: auto fit-content(10%);
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z-index: 11;
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position: absolute;
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width: 100%;
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height: 100%;
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}
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.query-error {
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display: none;
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z-index: 10;
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position: absolute;
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color: var(--error-color);
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padding: 2rem;
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}
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.query-editor textarea {
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grid-row: 1;
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grid-column: 1 / span 2;
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z-index: 11;
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padding: 0.5rem;
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outline: none;
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border: none;
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font-size: 12pt;
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border-bottom: 1px solid var(--edit-title-border);
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background: var(--chart-background);
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color: var(--text-color);
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resize: none;
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2022-08-21 10:56:23 +00:00
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margin: 0;
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2022-08-21 10:11:25 +00:00
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}
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.query-editor input {
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grid-row: 2;
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padding: 0.5rem;
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}
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.edit-title {
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background: var(--edit-title-background);
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}
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.edit-confirm {
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background: var(--button-background-color);
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color: var(--button-text-color);
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font-weight: bold;
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cursor: pointer;
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}
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.edit-confirm:hover {
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filter: contrast(125%);
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}
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.nowrap {
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white-space: pre;
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}
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/* Source: https://cdn.jsdelivr.net/npm/uplot@1.6.21/dist/uPlot.min.css
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* It is copy-pasted to lower the number of requests.
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*/
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.uplot, .uplot *, .uplot *::before, .uplot *::after {box-sizing: border-box;}.uplot {font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";line-height: 1.5;width: min-content;}.u-title {text-align: center;font-size: 18px;font-weight: bold;}.u-wrap {position: relative;user-select: none;}.u-over, .u-under {position: absolute;}.u-under {overflow: hidden;}.uplot canvas {display: block;position: relative;width: 100%;height: 100%;}.u-axis {position: absolute;}.u-legend {font-size: 14px;margin: auto;text-align: center;}.u-inline {display: block;}.u-inline * {display: inline-block;}.u-inline tr {margin-right: 16px;}.u-legend th {font-weight: 600;}.u-legend th > * {vertical-align: middle;display: inline-block;}.u-legend .u-marker {width: 1em;height: 1em;margin-right: 4px;background-clip: padding-box !important;}.u-inline.u-live th::after {content: ":";vertical-align: middle;}.u-inline:not(.u-live) .u-value {display: none;}.u-series > * {padding: 4px;}.u-series th {cursor: pointer;}.u-legend .u-off > * {opacity: 0.3;}.u-select {background: rgba(0,0,0,0.07);position: absolute;pointer-events: none;}.u-cursor-x, .u-cursor-y {position: absolute;left: 0;top: 0;pointer-events: none;will-change: transform;z-index: 100;}.u-hz .u-cursor-x, .u-vt .u-cursor-y {height: 100%;border-right: 1px dashed #607D8B;}.u-hz .u-cursor-y, .u-vt .u-cursor-x {width: 100%;border-bottom: 1px dashed #607D8B;}.u-cursor-pt {position: absolute;top: 0;left: 0;border-radius: 50%;border: 0 solid;pointer-events: none;will-change: transform;z-index: 100;/*this has to be !important since we set inline "background" shorthand */background-clip: padding-box !important;}.u-axis.u-off, .u-select.u-off, .u-cursor-x.u-off, .u-cursor-y.u-off, .u-cursor-pt.u-off {display: none;}
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</style>
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</head>
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<body>
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<div class="inputs">
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<form id="params">
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<div id="connection-params">
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<input spellcheck="false" id="url" type="text" value="" placeholder="URL" />
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<input spellcheck="false" id="user" type="text" value="" placeholder="user" />
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<input spellcheck="false" id="password" type="password" placeholder="password" />
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</div>
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<div>
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2022-11-01 16:19:26 +00:00
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<input id="reload" type="button" value="Reload" style="display: none;">
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2022-08-21 10:11:25 +00:00
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<input id="add" type="button" value="Add chart">
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<span class="nowrap themes"><span id="toggle-dark">🌚</span><span id="toggle-light">🌞</span></span>
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<div id="chart-params"></div>
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</div>
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</form>
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</div>
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<div id="charts"></div>
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<script>
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2022-08-21 11:26:32 +00:00
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/** Implementation note: it might be more natural to use some reactive framework.
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|
|
* But for now it is small enough to avoid it. As a bonus we have less number of dependencies,
|
|
|
|
|
* which is better for maintainability.
|
|
|
|
|
*
|
|
|
|
|
* TODO:
|
|
|
|
|
* - zoom on the graphs should work on touch devices;
|
|
|
|
|
* - add mass edit capability (edit the JSON config as a whole);
|
|
|
|
|
* - compress the state for URL's #hash;
|
|
|
|
|
* - save/load JSON configuration;
|
|
|
|
|
* - footer with "about" or a link to source code;
|
|
|
|
|
* - allow to configure a table on a server to save the dashboards;
|
|
|
|
|
* - multiple lines on chart;
|
|
|
|
|
* - if a query returned one value, display this value instead of a diagram;
|
|
|
|
|
* - if a query returned something unusual, display the table;
|
|
|
|
|
*/
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
let host = 'https://play.clickhouse.com/';
|
|
|
|
|
let user = 'explorer';
|
|
|
|
|
let password = '';
|
|
|
|
|
|
2022-08-21 11:07:46 +00:00
|
|
|
/// If it is hosted on server, assume that it is the address of ClickHouse.
|
2022-08-21 10:11:25 +00:00
|
|
|
if (location.protocol != 'file:') {
|
|
|
|
|
host = location.origin;
|
|
|
|
|
user = 'default';
|
|
|
|
|
}
|
|
|
|
|
|
2022-08-21 11:07:46 +00:00
|
|
|
/// This is just a demo configuration of the dashboard.
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
let queries = [
|
|
|
|
|
{
|
|
|
|
|
"title": "Queries/second",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_Query)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "CPU Usage (cores)",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_OSCPUVirtualTimeMicroseconds) / 1000000
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Queries Running",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(CurrentMetric_Query)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Merges Running",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(CurrentMetric_Merge)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
2022-08-21 11:31:04 +00:00
|
|
|
"title": "Selected Bytes/second",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_SelectedBytes)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "IO Wait",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_OSIOWaitMicroseconds) / 1000000
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "CPU Wait",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_OSCPUWaitMicroseconds) / 1000000
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "OS CPU Usage (Userspace)",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(value)
|
|
|
|
|
FROM system.asynchronous_metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
AND metric = 'OSUserTimeNormalized'
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "OS CPU Usage (Kernel)",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(value)
|
|
|
|
|
FROM system.asynchronous_metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
AND metric = 'OSSystemTimeNormalized'
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Read From Disk",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_OSReadBytes)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Read From Filesystem",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_OSReadChars)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Memory (tracked)",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(CurrentMetric_MemoryTracking)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Load Average (15 minutes)",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(value)
|
|
|
|
|
FROM system.asynchronous_metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
AND metric = 'LoadAverage15'
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Selected Rows/second",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_SelectedRows)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Inserted Rows/second",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(ProfileEvent_InsertedRows)
|
|
|
|
|
FROM system.metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Total MergeTree Parts",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, avg(value)
|
|
|
|
|
FROM system.asynchronous_metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
AND metric = 'TotalPartsOfMergeTreeTables'
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"title": "Max Parts For Partition",
|
2022-08-21 11:07:46 +00:00
|
|
|
"query": `SELECT toStartOfInterval(event_time, INTERVAL {rounding:UInt32} SECOND)::INT AS t, max(value)
|
|
|
|
|
FROM system.asynchronous_metric_log
|
|
|
|
|
WHERE event_date >= toDate(now() - {seconds:UInt32}) AND event_time >= now() - {seconds:UInt32}
|
|
|
|
|
AND metric = 'MaxPartCountForPartition'
|
|
|
|
|
GROUP BY t
|
|
|
|
|
ORDER BY t`
|
2022-08-21 10:11:25 +00:00
|
|
|
}
|
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
/// Query parameters with predefined default values.
|
|
|
|
|
/// All other parameters will be automatically found in the queries.
|
|
|
|
|
let params = {
|
|
|
|
|
"rounding": "60",
|
|
|
|
|
"seconds": "86400"
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
let theme = 'light';
|
|
|
|
|
|
|
|
|
|
function setTheme(new_theme) {
|
|
|
|
|
theme = new_theme;
|
|
|
|
|
document.documentElement.setAttribute('data-theme', theme);
|
|
|
|
|
window.localStorage.setItem('theme', theme);
|
|
|
|
|
drawAll();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
document.getElementById('toggle-light').addEventListener('click', e => setTheme('light'));
|
|
|
|
|
document.getElementById('toggle-dark').addEventListener('click', e => setTheme('dark'));
|
|
|
|
|
|
|
|
|
|
/// uPlot objects will go here.
|
|
|
|
|
let plots = [];
|
|
|
|
|
/// chart div's will be here.
|
|
|
|
|
let charts = document.getElementById('charts');
|
|
|
|
|
|
|
|
|
|
/// This is not quite correct (we cannot really parse SQL with regexp) but tolerable.
|
|
|
|
|
const query_param_regexp = /\{(\w+):[^}]+\}/g;
|
|
|
|
|
|
|
|
|
|
/// Automatically parse more parameters from the queries.
|
|
|
|
|
function findParamsInQuery(query, new_params) {
|
|
|
|
|
for (let match of query.matchAll(query_param_regexp)) {
|
|
|
|
|
const name = match[1];
|
|
|
|
|
new_params[name] = params[name] || '';
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function findParamsInQueries() {
|
|
|
|
|
let new_params = {}
|
|
|
|
|
queries.forEach(q => findParamsInQuery(q.query, new_params));
|
|
|
|
|
params = new_params;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function insertParam(name, value) {
|
|
|
|
|
let param_wrapper = document.createElement('span');
|
|
|
|
|
param_wrapper.className = 'nowrap';
|
|
|
|
|
|
|
|
|
|
let param_name = document.createElement('span');
|
|
|
|
|
param_name.className = 'param_name';
|
|
|
|
|
let param_name_text = document.createTextNode(`${name}: `);
|
|
|
|
|
param_name.appendChild(param_name_text);
|
|
|
|
|
|
|
|
|
|
let param_value = document.createElement('input');
|
|
|
|
|
param_value.className = 'param';
|
|
|
|
|
param_value.name = `${name}`;
|
|
|
|
|
param_value.type = 'text';
|
|
|
|
|
param_value.value = value;
|
|
|
|
|
param_value.spellcheck = false;
|
|
|
|
|
|
|
|
|
|
param_wrapper.appendChild(param_name);
|
|
|
|
|
param_wrapper.appendChild(param_value);
|
|
|
|
|
document.getElementById('chart-params').appendChild(param_wrapper);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function buildParams() {
|
|
|
|
|
let params_elem = document.getElementById('chart-params');
|
|
|
|
|
while (params_elem.firstChild) {
|
|
|
|
|
params_elem.removeChild(params_elem.lastChild);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (let [name, value] of Object.entries(params)) {
|
|
|
|
|
insertParam(name, value);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let run = document.createElement('input');
|
|
|
|
|
run.id = 'run';
|
|
|
|
|
run.type = 'submit';
|
|
|
|
|
run.value = 'Ok';
|
|
|
|
|
|
|
|
|
|
document.getElementById('chart-params').appendChild(run);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function updateParams() {
|
|
|
|
|
[...document.getElementsByClassName('param')].forEach(e => { params[e.name] = e.value });
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function getParamsForURL() {
|
|
|
|
|
let url = '';
|
|
|
|
|
for (let [name, value] of Object.entries(params)) {
|
|
|
|
|
url += `¶m_${encodeURIComponent(name)}=${encodeURIComponent(value)}`;
|
|
|
|
|
};
|
|
|
|
|
return url;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function insertChart(i) {
|
|
|
|
|
let q = queries[i];
|
|
|
|
|
let chart = document.createElement('div');
|
|
|
|
|
chart.className = 'chart';
|
|
|
|
|
|
|
|
|
|
let chart_title = document.createElement('div');
|
|
|
|
|
let title_text = document.createTextNode('');
|
|
|
|
|
chart_title.appendChild(title_text);
|
|
|
|
|
chart_title.className = 'title';
|
|
|
|
|
chart.appendChild(chart_title);
|
|
|
|
|
|
|
|
|
|
let query_error = document.createElement('div');
|
|
|
|
|
query_error.className = 'query-error';
|
|
|
|
|
query_error.appendChild(document.createTextNode(''));
|
|
|
|
|
chart.appendChild(query_error);
|
|
|
|
|
|
|
|
|
|
let query_editor = document.createElement('div');
|
|
|
|
|
query_editor.className = 'query-editor';
|
|
|
|
|
|
|
|
|
|
let query_editor_textarea = document.createElement('textarea');
|
|
|
|
|
query_editor_textarea.spellcheck = false;
|
|
|
|
|
query_editor_textarea.value = q.query;
|
|
|
|
|
query_editor_textarea.placeholder = 'Query';
|
|
|
|
|
query_editor.appendChild(query_editor_textarea);
|
|
|
|
|
|
|
|
|
|
let query_editor_title = document.createElement('input');
|
|
|
|
|
query_editor_title.type = 'text';
|
|
|
|
|
query_editor_title.value = q.title;
|
|
|
|
|
query_editor_title.placeholder = 'Chart title';
|
|
|
|
|
query_editor_title.className = 'edit-title';
|
|
|
|
|
query_editor.appendChild(query_editor_title);
|
|
|
|
|
|
|
|
|
|
let query_editor_confirm = document.createElement('input');
|
|
|
|
|
query_editor_confirm.type = 'submit';
|
|
|
|
|
query_editor_confirm.value = 'Ok';
|
|
|
|
|
query_editor_confirm.className = 'edit-confirm';
|
|
|
|
|
|
|
|
|
|
function editConfirm() {
|
|
|
|
|
query_editor.style.display = 'none';
|
|
|
|
|
query_error.style.display = 'none';
|
|
|
|
|
q.title = query_editor_title.value;
|
|
|
|
|
q.query = query_editor_textarea.value;
|
|
|
|
|
title_text.data = '';
|
|
|
|
|
findParamsInQuery(q.query, params);
|
|
|
|
|
buildParams();
|
|
|
|
|
draw(i, chart, getParamsForURL(), q.query);
|
|
|
|
|
saveState();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
query_editor_confirm.addEventListener('click', editConfirm);
|
|
|
|
|
|
|
|
|
|
/// Ctrl+Enter (or Cmd+Enter on Mac) will also confirm editing.
|
|
|
|
|
query_editor.addEventListener('keydown', e => {
|
|
|
|
|
if ((event.metaKey || event.ctrlKey) && (event.keyCode == 13 || event.keyCode == 10)) {
|
|
|
|
|
editConfirm();
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
query_editor.addEventListener('keyup', e => {
|
|
|
|
|
if (e.key == 'Escape') {
|
|
|
|
|
query_editor.style.display = 'none';
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
query_editor.appendChild(query_editor_confirm);
|
|
|
|
|
|
|
|
|
|
chart.appendChild(query_editor);
|
|
|
|
|
|
|
|
|
|
let edit_buttons = document.createElement('div');
|
|
|
|
|
edit_buttons.className = 'chart-buttons';
|
|
|
|
|
|
|
|
|
|
let edit = document.createElement('a');
|
|
|
|
|
let edit_text = document.createTextNode('✎');
|
|
|
|
|
edit.appendChild(edit_text);
|
|
|
|
|
|
|
|
|
|
function editStart() {
|
|
|
|
|
query_editor.style.display = 'grid';
|
|
|
|
|
query_editor_textarea.focus();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
edit.addEventListener('click', e => editStart());
|
|
|
|
|
if (!q.query) {
|
|
|
|
|
editStart();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let trash = document.createElement('a');
|
|
|
|
|
let trash_text = document.createTextNode('✕');
|
|
|
|
|
trash.appendChild(trash_text);
|
|
|
|
|
trash.addEventListener('click', e => {
|
|
|
|
|
/// Indices may change after deletion of other element, hence captured "i" may become incorrect.
|
|
|
|
|
let idx = [...charts.querySelectorAll('.chart')].findIndex(child => chart == child);
|
|
|
|
|
if (plots[idx]) {
|
|
|
|
|
plots[idx].destroy();
|
|
|
|
|
plots[idx] = null;
|
|
|
|
|
}
|
|
|
|
|
plots.splice(idx, 1);
|
|
|
|
|
charts.removeChild(chart);
|
|
|
|
|
queries.splice(idx, 1);
|
|
|
|
|
findParamsInQueries();
|
|
|
|
|
buildParams();
|
|
|
|
|
resize();
|
|
|
|
|
saveState();
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
edit_buttons.appendChild(edit);
|
|
|
|
|
edit_buttons.appendChild(trash);
|
|
|
|
|
|
|
|
|
|
chart.appendChild(edit_buttons);
|
|
|
|
|
|
|
|
|
|
chart.addEventListener('mouseenter', e => { edit_buttons.style.display = 'block'; });
|
|
|
|
|
chart.addEventListener('mouseleave', e => { edit_buttons.style.display = 'none'; });
|
|
|
|
|
|
|
|
|
|
charts.appendChild(chart);
|
2022-11-01 16:19:56 +00:00
|
|
|
return {chart: chart, textarea: query_editor_textarea};
|
2022-08-21 10:11:25 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
document.getElementById('add').addEventListener('click', e => {
|
|
|
|
|
queries.push({ title: '', query: '' });
|
2022-11-01 16:19:56 +00:00
|
|
|
|
|
|
|
|
const {chart, textarea} = insertChart(plots.length);
|
|
|
|
|
chart.scrollIntoView();
|
|
|
|
|
textarea.focus();
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
plots.push(null);
|
|
|
|
|
resize();
|
|
|
|
|
});
|
|
|
|
|
|
2022-11-01 16:19:26 +00:00
|
|
|
document.getElementById('reload').addEventListener('click', e => {
|
|
|
|
|
reloadAll();
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
function showReloadIfNeeded() {
|
|
|
|
|
const is_any_field_changed = (host != document.getElementById('url').value
|
|
|
|
|
|| user != document.getElementById('user').value
|
|
|
|
|
|| password != document.getElementById('password').value);
|
|
|
|
|
if (is_any_field_changed) {
|
|
|
|
|
document.getElementById('reload').style.display = '';
|
|
|
|
|
} else {
|
|
|
|
|
document.getElementById('reload').style.display = 'none';
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
document.getElementById('password').addEventListener('input', e => { showReloadIfNeeded(); })
|
|
|
|
|
document.getElementById('user').addEventListener('input', e => { showReloadIfNeeded(); })
|
|
|
|
|
document.getElementById('url').addEventListener('input', e => { showReloadIfNeeded(); })
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
function legendAsTooltipPlugin({ className, style = { background: "var(--legend-background)" } } = {}) {
|
|
|
|
|
let legendEl;
|
|
|
|
|
|
|
|
|
|
function init(u, opts) {
|
|
|
|
|
legendEl = u.root.querySelector(".u-legend");
|
|
|
|
|
|
|
|
|
|
legendEl.classList.remove("u-inline");
|
|
|
|
|
className && legendEl.classList.add(className);
|
|
|
|
|
|
|
|
|
|
uPlot.assign(legendEl.style, {
|
|
|
|
|
textAlign: "left",
|
|
|
|
|
pointerEvents: "none",
|
|
|
|
|
display: "none",
|
|
|
|
|
position: "absolute",
|
|
|
|
|
left: 0,
|
|
|
|
|
top: 0,
|
|
|
|
|
zIndex: 100,
|
|
|
|
|
boxShadow: "2px 2px 10px rgba(0,0,0,0.1)",
|
|
|
|
|
...style
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
// hide series color markers
|
|
|
|
|
const idents = legendEl.querySelectorAll(".u-marker");
|
|
|
|
|
|
|
|
|
|
for (let i = 0; i < idents.length; i++)
|
|
|
|
|
idents[i].style.display = "none";
|
|
|
|
|
|
|
|
|
|
const overEl = u.over;
|
|
|
|
|
|
|
|
|
|
overEl.appendChild(legendEl);
|
|
|
|
|
|
|
|
|
|
overEl.addEventListener("mouseenter", () => {legendEl.style.display = null;});
|
|
|
|
|
overEl.addEventListener("mouseleave", () => {legendEl.style.display = "none";});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function update(u) {
|
|
|
|
|
let { left, top } = u.cursor;
|
|
|
|
|
left -= legendEl.clientWidth / 2;
|
|
|
|
|
top -= legendEl.clientHeight / 2;
|
|
|
|
|
legendEl.style.transform = "translate(" + left + "px, " + top + "px)";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return {
|
|
|
|
|
hooks: {
|
|
|
|
|
init: init,
|
|
|
|
|
setCursor: update,
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
}
|
|
|
|
|
|
2022-11-01 16:20:26 +00:00
|
|
|
let add_http_cors_header = false;
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
async function draw(idx, chart, url_params, query) {
|
|
|
|
|
if (plots[idx]) {
|
|
|
|
|
plots[idx].destroy();
|
|
|
|
|
plots[idx] = null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
host = document.getElementById('url').value;
|
|
|
|
|
user = document.getElementById('user').value;
|
|
|
|
|
password = document.getElementById('password').value;
|
|
|
|
|
|
|
|
|
|
let url = `${host}?default_format=JSONCompactColumns`
|
2022-11-01 16:20:26 +00:00
|
|
|
|
|
|
|
|
if (add_http_cors_header) {
|
|
|
|
|
// For debug purposes, you may set add_http_cors_header from a browser console
|
|
|
|
|
url += '&add_http_cors_header=1';
|
|
|
|
|
}
|
|
|
|
|
|
2022-08-21 10:11:25 +00:00
|
|
|
if (user) {
|
|
|
|
|
url += `&user=${encodeURIComponent(user)}`;
|
|
|
|
|
}
|
|
|
|
|
if (password) {
|
|
|
|
|
url += `&password=${encodeURIComponent(password)}`;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let response, data, error;
|
|
|
|
|
try {
|
|
|
|
|
response = await fetch(url + url_params, { method: "POST", body: query });
|
|
|
|
|
data = await response.text();
|
|
|
|
|
if (response.ok) {
|
|
|
|
|
data = JSON.parse(data);
|
|
|
|
|
} else {
|
|
|
|
|
error = data;
|
|
|
|
|
}
|
|
|
|
|
} catch (e) {
|
|
|
|
|
console.log(e);
|
|
|
|
|
error = e.toString();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!error) {
|
|
|
|
|
if (!Array.isArray(data)) {
|
|
|
|
|
error = "Query should return an array.";
|
|
|
|
|
} else if (data.length == 0) {
|
|
|
|
|
error = "Query returned empty result.";
|
|
|
|
|
} else if (data.length != 2) {
|
|
|
|
|
error = "Query should return exactly two columns: unix timestamp and value.";
|
|
|
|
|
} else if (!Array.isArray(data[0]) || !Array.isArray(data[1]) || data[0].length != data[1].length) {
|
|
|
|
|
error = "Wrong data format of the query.";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let error_div = chart.querySelector('.query-error');
|
|
|
|
|
let title_div = chart.querySelector('.title');
|
|
|
|
|
if (error) {
|
|
|
|
|
error_div.firstChild.data = error;
|
|
|
|
|
title_div.style.display = 'none';
|
|
|
|
|
error_div.style.display = 'block';
|
|
|
|
|
return;
|
|
|
|
|
} else {
|
|
|
|
|
error_div.firstChild.data = '';
|
|
|
|
|
error_div.style.display = 'none';
|
|
|
|
|
title_div.style.display = 'block';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const [line_color, fill_color, grid_color, axes_color] = theme != 'dark'
|
|
|
|
|
? ["#F88", "#FEE", "#EED", "#2c3235"]
|
|
|
|
|
: ["#864", "#045", "#2c3235", "#c7d0d9"];
|
|
|
|
|
|
|
|
|
|
let sync = uPlot.sync("sync");
|
|
|
|
|
|
|
|
|
|
const max_value = Math.max(...data[1]);
|
|
|
|
|
|
|
|
|
|
const opts = {
|
|
|
|
|
width: chart.clientWidth,
|
|
|
|
|
height: chart.clientHeight,
|
|
|
|
|
axes: [ { stroke: axes_color,
|
|
|
|
|
grid: { width: 1 / devicePixelRatio, stroke: grid_color },
|
|
|
|
|
ticks: { width: 1 / devicePixelRatio, stroke: grid_color } },
|
|
|
|
|
{ stroke: axes_color,
|
|
|
|
|
grid: { width: 1 / devicePixelRatio, stroke: grid_color },
|
|
|
|
|
ticks: { width: 1 / devicePixelRatio, stroke: grid_color } } ],
|
|
|
|
|
series: [ { label: "x" },
|
|
|
|
|
{ label: "y", stroke: line_color, fill: fill_color } ],
|
|
|
|
|
padding: [ null, null, null, (Math.round(max_value * 100) / 100).toString().length * 6 - 10 ],
|
|
|
|
|
plugins: [ legendAsTooltipPlugin() ],
|
|
|
|
|
cursor: {
|
|
|
|
|
sync: {
|
|
|
|
|
key: "sync",
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
plots[idx] = new uPlot(opts, data, chart);
|
|
|
|
|
sync.sub(plots[idx]);
|
|
|
|
|
|
|
|
|
|
/// Set title
|
2022-09-26 21:52:14 +00:00
|
|
|
const title = queries[idx].title ? queries[idx].title.replaceAll(/\{(\w+)\}/g, (_, name) => params[name] ) : '';
|
2022-08-21 10:11:25 +00:00
|
|
|
chart.querySelector('.title').firstChild.data = title;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
async function drawAll() {
|
|
|
|
|
let params = getParamsForURL();
|
|
|
|
|
const charts = document.getElementsByClassName('chart');
|
|
|
|
|
for (let i = 0; i < queries.length; ++i) {
|
|
|
|
|
draw(i, charts[i], params, queries[i].query);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function resize() {
|
|
|
|
|
plots.forEach(plot => {
|
|
|
|
|
if (plot) {
|
|
|
|
|
let chart = plot.over.closest('.chart');
|
|
|
|
|
plot.setSize({ width: chart.clientWidth, height: chart.clientHeight });
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
new ResizeObserver(resize).observe(document.body);
|
|
|
|
|
|
2022-11-01 16:19:26 +00:00
|
|
|
function reloadAll() {
|
2022-08-21 10:11:25 +00:00
|
|
|
updateParams();
|
|
|
|
|
drawAll();
|
|
|
|
|
saveState();
|
2022-11-01 16:19:26 +00:00
|
|
|
document.getElementById('reload').style.display = 'none';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
document.getElementById('params').onsubmit = function(event) {
|
|
|
|
|
reloadAll();
|
2022-08-21 10:11:25 +00:00
|
|
|
event.preventDefault();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function saveState() {
|
|
|
|
|
const state = { host: host, user: user, queries: queries, params: params };
|
|
|
|
|
history.pushState(state, '',
|
|
|
|
|
window.location.pathname + (window.location.search || '') + '#' + btoa(JSON.stringify(state)));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function regenerate() {
|
|
|
|
|
document.getElementById('url').value = host;
|
|
|
|
|
document.getElementById('user').value = user;
|
|
|
|
|
document.getElementById('password').value = password;
|
|
|
|
|
|
|
|
|
|
findParamsInQueries();
|
|
|
|
|
buildParams();
|
|
|
|
|
|
|
|
|
|
plots.forEach(elem => elem && elem.destroy());
|
|
|
|
|
plots = queries.map(e => null);
|
|
|
|
|
|
|
|
|
|
while (charts.firstChild) {
|
|
|
|
|
charts.removeChild(charts.lastChild);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (let i = 0; i < queries.length; ++i) {
|
|
|
|
|
insertChart(i);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
window.onpopstate = function(event) {
|
|
|
|
|
if (!event.state) { return; }
|
|
|
|
|
({host, user, queries, params} = event.state);
|
|
|
|
|
|
|
|
|
|
regenerate();
|
|
|
|
|
drawAll();
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
if (window.location.hash) {
|
|
|
|
|
try {
|
|
|
|
|
({host, user, queries, params} = JSON.parse(atob(window.location.hash.substring(1))));
|
|
|
|
|
} catch {}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
regenerate();
|
|
|
|
|
|
|
|
|
|
let new_theme = window.localStorage.getItem('theme');
|
|
|
|
|
if (new_theme && new_theme != theme) {
|
|
|
|
|
setTheme(new_theme);
|
|
|
|
|
} else {
|
|
|
|
|
drawAll();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
