Use Redis for Windows (#7364)

BUILD.bazel

@@ -1201,6 +1201,16 @@ filegroup(
 
 genrule(
     name = "redis",
+    srcs = [
+    ] + select({
+        # Windows is not supported yet, so make stubs for it
+        "@bazel_tools//src/conditions:windows": [
+            "@win-redis-bin//file",
+        ],
+        "//conditions:default": [
+            "@redis-src//file",
+        ],
+    }),
     outs = [
         "redis-server",
         "redis-cli",
@@ -1208,18 +1218,13 @@ genrule(
     cmd = select({
         # Windows is not supported yet, so make stubs for it
         "@bazel_tools//src/conditions:windows": """
-            set -eu
+            unzip -q -o -- $(location @win-redis-bin//file) redis-server.exe redis-cli.exe &&
-            for f in $(OUTS); do
+            mv -f -- redis-server.exe $(location redis-server) &&
-                {
+            mv -f -- redis-cli.exe    $(location redis-cli)
-                    echo '#!/usr/bin/env bash'
-                    echo 'echo "$${0##*/} is unsupported on this platform" 1>&2 && false'
-                } > "$$f"
-                chmod +x "$$f"
-            done
         """,
         "//conditions:default": """
             set -x &&
-            curl -sL \"https://github.com/antirez/redis/archive/5.0.3.tar.gz\" | tar -xzf - --strip-components=1 -C . &&
+            tar -xzf $(location @redis-src//file) --strip-components=1 -C . &&
             make &&
             mv ./src/redis-server $(location redis-server) &&
             chmod +x $(location redis-server) &&

bazel/ray_deps_setup.bzl

@@ -1,5 +1,5 @@
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository", "new_git_repository")
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file")
 
 def github_repository(*, name=None, remote=None, commit=None, tag=None,
                       branch=None, build_file=None, build_file_content=None,
@@ -87,6 +87,18 @@ def ray_deps_setup():
         ],
     )
 
+    http_file(
+        name = "win-redis-bin",
+        sha256 = "6fac443543244c803311de5883b714a7ae3c4fa0594cad51d75b24c4ef45b353",
+        urls = ["https://github.com/tporadowski/redis/releases/download/v4.0.14.2/Redis-x64-4.0.14.2.zip"],
+    )
+
+    http_file(
+        name = "redis-src",
+        sha256 = "7084e8bd9e5dedf2dbb2a1e1d862d0c46e66cc0872654bdc677f4470d28d84c5",
+        urls = ["https://github.com/antirez/redis/archive/5.0.3.tar.gz"],
+    )
+
     github_repository(
         name = "rules_jvm_external",
         tag = "2.10",

src/ray/gcs/redis_module/ray_redis_module.cc

@@ -977,7 +977,10 @@ extern "C" {
 
 /// This function must be present on each Redis module. It is used in order to
 /// register the commands into the Redis server.
-int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+    int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
   REDISMODULE_NOT_USED(argv);
   REDISMODULE_NOT_USED(argc);