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Added simple response time measurement for grafana

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This commit is contained in:
Madeline 2022-07-21 16:28:41 +10:00
parent 88259246fb
commit 031c65cb09
7 changed files with 229 additions and 3 deletions
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0
slowcord/login/README.md → slowcord/README.md
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6
slowcord/login/package.json
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@ -1,7 +1,7 @@
{
"name": "slowcord",
"name": "slowcord-login",
"version": "1.0.0",
"description": "Slowcord additional services",
"description": "Slowcord login service",
"main": "build/index.js",
"scripts": {
"build": "tsc -b",
@ -11,7 +11,7 @@
"type": "git",
"url": "git+https://github.com/maddyunderstars/fosscord-server.git"
},
"author": "",
"author": "MaddyUnderStars",
"license": "AGPL-3.0-only",
"bugs": {
"url": "https://github.com/maddyunderstars/fosscord-server/issues"

6
slowcord/status/.env.template Normal file
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DATABASE=
INSTANCE_API=
INSTANCE_CDN=
INSTANCE_TOKEN=
MEASURE_INTERVAL=1000
RETENTION_DAYS=30

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slowcord/status/package-lock.json generated Normal file
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slowcord/status/package.json Normal file
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{
"name": "slowcord-status",
"version": "1.0.0",
"description": "Slowcord status service",
"main": "build/index.js",
"scripts": {
"build": "tsc -b",
"start": "node build/index.js"
},
"repository": {
"type": "git",
"url": "git+https://github.com/maddyunderstars/fosscord-server.git"
},
"bugs": {
"url": "https://github.com/maddyunderstars/fosscord-server/issues"
},
"homepage": "https://github.com/maddyunderstars/fosscord-server#readme",
"author": "MaddyUnderStars",
"license": "AGPL-3.0-only",
"devDependencies": {
"@types/node": "^18.0.6"
},
"dependencies": {
"dotenv": "^16.0.1",
"fosscord-gopnik": "^1.0.0",
"mysql2": "^2.3.3",
"node-fetch": "^3.2.9"
},
"type": "module"
}

91
slowcord/status/src/index.ts Normal file
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@ -0,0 +1,91 @@
import "dotenv/config";
import fetch from "node-fetch";
import Fosscord from "fosscord-gopnik";
import mysql from "mysql2";
const dbConn = mysql.createConnection(process.env.DATABASE as string);
const executePromise = (sql: string, args: any[]) => new Promise((resolve, reject) => dbConn.execute(sql, args, (err, res) => { if (err) reject(err); else resolve(res); }));
const instance = {
api: process.env.INSTANCE_API as string,
cdn: process.env.INSTANCE_CDN as string,
token: process.env.INSTANCE_TOKEN as string,
};
const client = new Fosscord.Client({
intents: [],
http: {
api: instance.api,
cdn: instance.cdn
}
});
client.on("ready", () => {
console.log(`Ready on gateway as ${client.user!.tag}`);
const gatewayMeasure = async (name: string) => {
const time = Math.max(client.ws.ping, 0);
await savePerf(time, name, null);
console.log(`${name} took ${time}ms`);
setTimeout(gatewayMeasure, parseInt(process.env.MEASURE_INTERVAL as string), name);
};
gatewayMeasure("websocketPing")
});
client.on("error", (error) => {
console.log(`Gateway error`, error);
});
client.on("warn", (msg) => {
console.log(`Gateway warning:`, msg);
});
const savePerf = async (time: number, name: string, error: string | null) => {
try {
await executePromise("INSERT INTO performance (value, endpoint, timestamp, error) VALUES (?, ?, ?, ?)", [time, name, new Date(), error]);
await executePromise("DELETE FROM performance WHERE DATE(timestamp) < now() - interval ? DAY", [process.env.RETENTION_DAYS]);
}
catch (e) {
console.error(e);
}
};
const measureApi = async (name: string, path: string, body?: object) => {
const start = Date.now();
let error: Error | null = null;
try {
const res = await fetch(path, {
headers: {
"Content-Type": "application/json",
"Authorization": instance.token,
},
body: body ? JSON.stringify(body) : undefined,
});
await res.json();
}
catch (e) {
error = e as Error;
}
const time = Date.now() - start;
console.log(`${name} took ${time}ms ${(error ? "with error" : "")}`, error ?? "");
await savePerf(time, name, error?.message ?? null);
setTimeout(measureApi, parseInt(process.env.MEASURE_INTERVAL as string), name, path, body);
};
const app = async () => {
await new Promise((resolve) => dbConn.connect(resolve));
console.log("Connected to db");
await client.login(instance.token);
console.log(`Monitoring performance for instance at ${new URL(instance.api).hostname}`);
measureApi("ping", `${instance.api}/ping`);
measureApi("users/@me", `${instance.api}/users/@me`);
};
app();

99
slowcord/status/tsconfig.json Normal file
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{
"exclude": [
"node_modules"
],
"include": [
"src/**/*.ts"
],
"compilerOptions": {
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Projects */
// "incremental": true, /* Enable incremental compilation */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./", /* Specify the folder for .tsbuildinfo incremental compilation files. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "ES6", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
"lib": ["ES2021"], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "jsx": "preserve", /* Specify what JSX code is generated. */
"experimentalDecorators": true, /* Enable experimental support for TC39 stage 2 draft decorators. */
// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h' */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.` */
// "reactNamespace": "", /* Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
/* Modules */
"module": "ES2020", /* Specify what module code is generated. */
// "rootDir": "./", /* Specify the root folder within your source files. */
"moduleResolution": "node", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
// "typeRoots": [], /* Specify multiple folders that act like `./node_modules/@types`. */
"types": ["node"], /* Specify type package names to be included without being referenced in a source file. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "resolveJsonModule": true, /* Enable importing .json files */
// "noResolve": true, /* Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
"sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output. */
"outDir": "./build", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have `@internal` in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like `__extends` in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing `const enum` declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied `any` type.. */
// "strictNullChecks": true, /* When type checking, take into account `null` and `undefined`. */
// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
// "strictBindCallApply": true, /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */
"strictPropertyInitialization": false, /* Check for class properties that are declared but not set in the constructor. */
// "noImplicitThis": true, /* Enable error reporting when `this` is given the type `any`. */
// "useUnknownInCatchVariables": true, /* Type catch clause variables as 'unknown' instead of 'any'. */
// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when a local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true /* Skip type checking all .d.ts files. */
}
}