feat(experimental): Basic implementation for the Redis Cluster client

.github/workflows/build.yml

@@ -50,7 +50,7 @@ jobs:
 
       - name: Run tests
         run: |
-          deno test --allow-net --allow-read=tests --allow-write=tests/server --allow-run=redis-server redis_test.ts
+          deno test --allow-net --allow-read=tests --allow-write=tests/tmp --allow-run=redis-server,redis-cli redis_test.ts
       - uses: bahmutov/npm-install@v1
         with:
           working-directory: benchmark

.gitignore

@@ -4,3 +4,4 @@ commands
 testdata/*/
 benchmark/node_modules
 benchmark/benchmark.js
+tests/tmp/*/

README.md

@@ -176,6 +176,12 @@ const sub = await cacheClient.subscribe<string[]>("__redis__:invalidate");
 })();
 ```
 
+### Experimental features
+
+deno-redis provides some experimental features.
+
+See [experimental/README.md](experimental/README.md) for details.
+
 ## Roadmap for v1
 
 - See https://github.com/denodrivers/redis/issues/78

command.ts

@@ -1101,6 +1101,10 @@ XRANGE somestream - +
   clientUnpause(): Promise<SimpleString>;
 
   // Cluster
+  /**
+   * @see https://redis.io/topics/cluster-spec
+   */
+  asking(): Promise<SimpleString>;
   clusterAddSlots(...slots: number[]): Promise<SimpleString>;
   clusterCountFailureReports(node_id: string): Promise<Integer>;
   clusterCountKeysInSlot(slot: number): Promise<Integer>;

experimental/README.md

@@ -0,0 +1,8 @@
+# Experimental features
+
+deno-redis has some experimental features:
+
+- [Redis Cluster client](cluster/README.md)
+
+**These experimental features may be subject to breaking changes even after a
+major release.**

experimental/cluster/README.md

@@ -0,0 +1,30 @@
+# experimental/cluster
+
+[![deno doc](https://doc.deno.land/badge.svg)](https://doc.deno.land/https/deno.land/x/redis/experimental/cluster/mod.ts)
+
+This module provides a client impelementation for
+[the Redis Cluster](https://redis.io/topics/cluster-tutorial).
+
+The implementation is based on the
+[antirez/redis-rb-cluster](https://github.com/antirez/redis-rb-cluster).
+
+## Usage
+
+```typescript
+import { connect } from "https://deno.land/x/redis/experimental/cluster/mod.ts";
+
+const cluster = await connect({
+  nodes: [
+    {
+      hostname: "127.0.0.1",
+      port: 7000,
+    },
+    {
+      hostname: "127.0.0.1",
+      port: 7001,
+    },
+  ],
+});
+
+await cluster.get("{foo}bar");
+```