feat(providers): locking redis (#9544)

packages/modules/providers/locking-redis/src/loaders/index.ts

@@ -0,0 +1,41 @@
+import { Modules } from "@medusajs/framework/utils"
+import { ProviderLoaderOptions } from "@medusajs/types"
+import { RedisCacheModuleOptions } from "@types"
+import { asValue } from "awilix"
+import Redis from "ioredis"
+
+export default async ({
+  container,
+  logger,
+  options,
+  moduleOptions,
+}: ProviderLoaderOptions): Promise<void> => {
+  const { redisUrl, redisOptions, namespace } =
+    options as RedisCacheModuleOptions
+
+  if (!redisUrl) {
+    throw Error(
+      `No "redisUrl" provided in "${Modules.LOCKING}" module, "locking-redis" provider options. It is required for the "locking-redis" Module provider.`
+    )
+  }
+
+  const connection = new Redis(redisUrl, {
+    // Lazy connect to properly handle connection errors
+    lazyConnect: true,
+    ...(redisOptions ?? {}),
+  })
+
+  try {
+    await connection.connect()
+    logger?.info(`Connection to Redis in "locking-redis" provider established`)
+  } catch (err) {
+    logger?.error(
+      `An error occurred while connecting to Redis in provider "locking-redis": ${err}`
+    )
+  }
+
+  container.register({
+    redisClient: asValue(connection),
+    prefix: asValue(namespace ?? "medusa_lock:"),
+  })
+}