*: cut 0.30.1

CHANGELOG.md

@@ -10,6 +10,12 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ## Unreleased
 
+## [v0.30.1](https://github.com/thanos-io/thanos/tree/release-0.30) - 4.01.2023
+
+### Fixed
+
+- [#6009](https://github.com/thanos-io/thanos/pull/6009) Query Frontend/Store: fix duplicate metrics registration in Redis client
+
 ## [v0.30.0](https://github.com/thanos-io/thanos/tree/release-0.30) - 2.01.2023
 
 NOTE: Querier's `query.promql-engine` flag enabling new PromQL engine is now unhidden. We encourage users to use new experimental PromQL engine for efficiency reasons.

VERSION

@@ -1 +1 @@
-0.30.0
+0.30.1

pkg/cacheutil/cacheutil_test.go

@@ -16,7 +16,11 @@ import (
 )
 
 func TestMain(m *testing.M) {
-	goleak.VerifyTestMain(m)
+	goleak.VerifyTestMain(
+		m,
+		// https://github.com/rueian/rueidis/blob/v0.0.90/pipe.go#L204.
+		goleak.IgnoreTopFunction("github.com/rueian/rueidis.(*pipe).backgroundPing"),
+	)
 }
 
 func TestDoWithBatch(t *testing.T) {

pkg/cacheutil/redis_client.go

@@ -175,6 +175,10 @@ func NewRedisClientWithConfig(logger log.Logger, name string, config RedisClient
 		return nil, err
 	}
 
+	if reg != nil {
+		reg = prometheus.WrapRegistererWith(prometheus.Labels{"name": name}, reg)
+	}
+
 	var tlsConfig *tls.Config
 	if config.TLSEnabled {
 		userTLSConfig := config.TLSConfig

pkg/cacheutil/redis_client_test.go

@@ -212,3 +212,19 @@ func TestValidateRedisConfig(t *testing.T) {
 	}
 
 }
+
+func TestMultipleRedisClient(t *testing.T) {
+	s, err := miniredis.Run()
+	if err != nil {
+		testutil.Ok(t, err)
+	}
+	defer s.Close()
+	cfg := DefaultRedisClientConfig
+	cfg.Addr = s.Addr()
+	logger := log.NewLogfmtLogger(os.Stderr)
+	reg := prometheus.NewRegistry()
+	_, err = NewRedisClientWithConfig(logger, "test1", cfg, reg)
+	testutil.Ok(t, err)
+	_, err = NewRedisClientWithConfig(logger, "test2", cfg, reg)
+	testutil.Ok(t, err)
+}