support report libname and libver to Redis

Author: ztxiuyuan

redis/asyncio/connection.py

@@ -55,7 +55,7 @@
     TimeoutError,
 )
 from redis.typing import EncodableT, EncodedT
-from redis.utils import HIREDIS_AVAILABLE, str_if_bytes
+from redis.utils import HIREDIS_AVAILABLE, get_lib_version, str_if_bytes
 
 hiredis = None
 if HIREDIS_AVAILABLE:
@@ -719,6 +719,14 @@ async def on_connect(self) -> None:
             if str_if_bytes(await self.read_response()) != "OK":
                 raise ConnectionError("Error setting client name")
 
+        try:
+            await self.send_command("CLIENT", "SETINFO", "LIB-NAME", "redis-py")
+            await self.read_response()
+            await self.send_command("CLIENT", "SETINFO", "LIB-VERSION", get_lib_version())
+            await self.read_response()
+        except ResponseError:
+            pass
+
         # if a database is specified, switch to it
         if self.db:
             await self.send_command("SELECT", self.db)

redis/client.py

@@ -748,6 +748,7 @@ class AbstractRedis:
         "CLIENT LIST": parse_client_list,
         "CLIENT INFO": parse_client_info,
         "CLIENT SETNAME": bool_ok,
+        "CLIENT SETINFO": bool_ok,
         "CLIENT UNBLOCK": lambda r: r and int(r) == 1 or False,
         "CLIENT PAUSE": bool_ok,
         "CLIENT GETREDIR": int,

redis/cluster.py

@@ -212,6 +212,7 @@ class AbstractRedisCluster:
                 "AUTH",
                 "CLIENT LIST",
                 "CLIENT SETNAME",
+                "CLIENT SETINFO",
                 "CLIENT GETNAME",
                 "CONFIG SET",
                 "CONFIG REWRITE",

redis/commands/core.py

@@ -706,6 +706,14 @@ def client_setname(self, name: str, **kwargs) -> ResponseT:
         """
         return self.execute_command("CLIENT SETNAME", name, **kwargs)
 
+    def client_setinfo(self, attr: str, value: str, **kwargs) -> ResponseT:
+        """
+        Sets the current connection libname or version
+
+        For mor information see https://redis.io/commands/client-setinfo
+        """
+        return self.execute_command("CLIENT SETINFO", attr, value, **kwargs)
+
     def client_unblock(
         self, client_id: int, error: bool = False, **kwargs
     ) -> ResponseT:

redis/connection.py

@@ -38,6 +38,7 @@
     CRYPTOGRAPHY_AVAILABLE,
     HIREDIS_AVAILABLE,
     HIREDIS_PACK_AVAILABLE,
+    get_lib_version,
     str_if_bytes,
 )
 
@@ -770,6 +771,14 @@ def on_connect(self):
             if str_if_bytes(self.read_response()) != "OK":
                 raise ConnectionError("Error setting client name")
 
+        try:
+            self.send_command("CLIENT", "SETINFO", "LIB-NAME", "redis-py")
+            self.read_response()
+            self.send_command("CLIENT", "SETINFO", "LIB-VERSION", get_lib_version())
+            self.read_response()
+        except ResponseError:
+            pass
+
         # if a database is specified, switch to it
         if self.db:
             self.send_command("SELECT", self.db)

redis/utils.py

@@ -1,3 +1,4 @@
+import sys
 from contextlib import contextmanager
 from functools import wraps
 from typing import Any, Dict, Mapping, Union
@@ -19,6 +20,11 @@
 except ImportError:
     CRYPTOGRAPHY_AVAILABLE = False
 
+if sys.version_info >= (3, 8):
+    from importlib import metadata
+else:
+    import importlib_metadata as metadata
+
 
 def from_url(url, **kwargs):
     """
@@ -110,3 +116,11 @@ def wrapper(*args, **kwargs):
         return wrapper
 
     return decorator
+
+
+def get_lib_version():
+    try:
+        libver = metadata.version("redis")
+    except metadata.PackageNotFoundError:
+        libver = "99.99.99"
+    return libver

tests/test_asyncio/test_cluster.py

@@ -978,6 +978,15 @@ async def test_client_setname(self, r: RedisCluster) -> None:
         client_name = await r.client_getname(target_nodes=node)
         assert client_name == "redis_py_test"
 
+    @skip_if_server_version_lt("7.2.0")
+    async def test_client_setinfo(self, r: RedisCluster) -> None:
+        node = r.get_random_node()
+        await r.client_setinfo("lib-name", "redis-py", target_nodes=node)
+        await r.client_setinfo("lib-ver", "4.33", target_nodes=node)
+        info = await r.client_info(target_nodes=node)
+        assert "lib-name" in info
+        assert "lib-ver" in info
+
     async def test_exists(self, r: RedisCluster) -> None:
         d = {"a": b"1", "b": b"2", "c": b"3", "d": b"4"}
         await r.mset_nonatomic(d)

tests/test_asyncio/test_commands.py

@@ -340,6 +340,15 @@ async def test_client_setname(self, r: redis.Redis):
         assert await r.client_setname("redis_py_test")
         assert await r.client_getname() == "redis_py_test"
 
+    @skip_if_server_version_lt("7.2.0")
+    @pytest.mark.onlynoncluster
+    async def test_client_setinfo(self, r: redis.Redis):
+        assert await r.client_setinfo("lib-name", "redis-py")
+        assert await r.client_setinfo("lib-ver", "4.33")
+        info = await r.client_info()
+        assert "lib-name" in info
+        assert "lib-ver" in info
+
     @skip_if_server_version_lt("2.6.9")
     @pytest.mark.onlynoncluster
     async def test_client_kill(self, r: redis.Redis, r2):
@@ -438,6 +447,14 @@ async def test_client_list_after_client_setname(self, r: redis.Redis):
         # we don't know which client ours will be
         assert "redis_py_test" in [c["name"] for c in clients]
 
+    @skip_if_server_version_lt("7.2.0")
+    async def test_client_list_after_client_setinfo(self, r: redis.Redis):
+        await r.client_setinfo("lib-name", "redis-py")
+        await r.client_setinfo("lib-ver", "4.33")
+        clients = await r.client_list()
+        assert "redis-py" in [c["lib-name"] for c in clients]
+        assert "4.33" in [c["lib-ver"] for c in clients]
+
     @skip_if_server_version_lt("2.9.50")
     @pytest.mark.onlynoncluster
     async def test_client_pause(self, r: redis.Redis):

tests/test_commands.py

@@ -377,7 +377,7 @@ def teardown():
             user_client.hset("cache:0", "hkey", "hval")
 
         assert isinstance(r.acl_log(), list)
-        assert len(r.acl_log()) == 2
+        assert len(r.acl_log()) == 3
         assert len(r.acl_log(count=1)) == 1
         assert isinstance(r.acl_log()[0], dict)
         assert "client-info" in r.acl_log(count=1)[0]
@@ -530,6 +530,15 @@ def test_client_setname(self, r):
         assert r.client_setname("redis_py_test")
         assert r.client_getname() == "redis_py_test"
 
+    @pytest.mark.onlynoncluster
+    @skip_if_server_version_lt("7.2.0")
+    def test_client_setinfo(self, r):
+        assert r.client_setinfo("lib-name", "redis-py")
+        assert r.client_setinfo("lib-ver", "4.33")
+        info = r.client_info()
+        assert "lib-name" in info
+        assert "lib-ver" in info
+
     @pytest.mark.onlynoncluster
     @skip_if_server_version_lt("2.6.9")
     def test_client_kill(self, r, r2):
@@ -628,6 +637,14 @@ def test_client_list_after_client_setname(self, r):
         # we don't know which client ours will be
         assert "redis_py_test" in [c["name"] for c in clients]
 
+    @skip_if_server_version_lt("7.2.0")
+    def test_client_list_after_client_setinfo(self, r):
+        r.client_setinfo("lib-name", "redis-py")
+        r.client_setinfo("lib-ver", "4.33")
+        clients = r.client_list()
+        assert "redis-py" in [c["lib-name"] for c in clients]
+        assert "4.33" in [c["lib-ver"] for c in clients]
+
     @skip_if_server_version_lt("6.2.0")
     def test_client_kill_filter_by_laddr(self, r, r2):
         r.client_setname("redis-py-c1")