Updates

2025-07-06 17:00:35 +01:00
parent b38ddc9f21
commit 6acf0f2cd6
48 changed files with 353 additions and 622 deletions
@@ -1,117 +0,0 @@
-import mysql, { Connection } from "mysql";
-import { exec } from "child_process";
-import { promisify } from "util";
-
-// Configuration interface
-interface DatabaseConfig {
-    host: string;
-    user: string;
-    password: string;
-    database?: string; // Optional for global connection
-}
-
-// Master status interface
-interface MasterStatus {
-    File: string;
-    Position: number;
-    Binlog_Do_DB?: string;
-    Binlog_Ignore_DB?: string;
-}
-
-function getConnection(config: DatabaseConfig): Connection {
-    return mysql.createConnection(config);
-}
-
-function getMasterStatus(config: DatabaseConfig): Promise<MasterStatus> {
-    return new Promise((resolve, reject) => {
-        const connection = getConnection(config);
-        connection.query("SHOW MASTER STATUS", (error, results) => {
-            connection.end();
-            if (error) reject(error);
-            else resolve(results[0] as MasterStatus);
-        });
-    });
-}
-
-async function syncDatabases() {
-    const config: DatabaseConfig = {
-        host: "localhost",
-        user: "root",
-        password: "your_password",
-    };
-
-    let lastPosition: number | null = null; // Track last synced position
-
-    while (true) {
-        try {
-            // Get current master status
-            const { File, Position } = await getMasterStatus(config);
-
-            // Determine start position (use lastPosition or 4 if first run)
-            const startPosition = lastPosition !== null ? lastPosition + 1 : 4;
-            if (startPosition >= Position) {
-                await new Promise((resolve) => setTimeout(resolve, 5000)); // Wait 5 seconds if no new changes
-                continue;
-            }
-
-            // Execute mysqlbinlog to get changes
-            const execPromise = promisify(exec);
-            const { stdout } = await execPromise(
-                `mysqlbinlog --database=db_master ${File} --start-position=${startPosition} --stop-position=${Position}`
-            );
-
-            if (stdout) {
-                const connection = getConnection({
-                    ...config,
-                    database: "db_slave",
-                });
-                return new Promise((resolve, reject) => {
-                    connection.query(stdout, (error) => {
-                        connection.end();
-                        if (error) reject(error);
-                        else {
-                            lastPosition = Position;
-                            console.log(
-                                `Synced up to position ${Position} at ${new Date().toISOString()}`
-                            );
-                            resolve(null);
-                        }
-                    });
-                });
-            }
-        } catch (error) {
-            console.error("Sync error:", error);
-        }
-
-        await new Promise((resolve) => setTimeout(resolve, 5000)); // Check every 5 seconds
-    }
-}
-
-// Initialize db_slave with db_master data
-async function initializeSlave() {
-    const config: DatabaseConfig = {
-        host: "localhost",
-        user: "root",
-        password: "your_password",
-    };
-
-    try {
-        await promisify(exec)(
-            `mysqldump -u ${config.user} -p${config.password} db_master > db_master_backup.sql`
-        );
-        await promisify(exec)(
-            `mysql -u ${config.user} -p${config.password} db_slave < db_master_backup.sql`
-        );
-        console.log("Slave initialized with master data");
-    } catch (error) {
-        console.error("Initialization error:", error);
-    }
-}
-
-// Run the sync process
-async function main() {
-    await initializeSlave();
-    await syncDatabases();
-}
-
-main().catch(console.error);