chore: remove initialization of metastore (#14822)

docs/sources/shared/configuration.md

@@ -710,35 +710,6 @@ compactor_grpc_client:
 # a ring unless otherwise specified in the component's configuration section.
 [memberlist: <memberlist>]
 
-metastore:
-  # CLI flag: -metastore.data-dir
-  [data_dir: <string> | default = "./data-metastore/data"]
-
-  raft:
-    # CLI flag: -metastore.raft.dir
-    [dir: <string> | default = "./data-metastore/raft"]
-
-    # CLI flag: -metastore.raft.bootstrap-peers
-    [bootstrap_peers: <list of strings> | default = []]
-
-    # CLI flag: -metastore.raft.server-id
-    [server_id: <string> | default = "localhost:9099"]
-
-    # CLI flag: -metastore.raft.bind-address
-    [bind_address: <string> | default = "localhost:9099"]
-
-    # CLI flag: -metastore.raft.advertise-address
-    [advertise_address: <string> | default = "localhost:9099"]
-
-metastore_client:
-  # CLI flag: -metastore.address
-  [address: <string> | default = "localhost:9095"]
-
-  # Configures the gRPC client used to communicate with the metastore.
-  # The CLI flags prefix for this block configuration is:
-  # metastore.grpc-client-config
-  [grpc_client_config: <grpc_client>]
-
 kafka_config:
   # The Kafka backend address.
   # CLI flag: -kafka.address
@@ -2577,7 +2548,6 @@ The `grpc_client` block configures the gRPC client used to communicate between a
 - `boltdb.shipper.index-gateway-client.grpc`
 - `frontend.grpc-client-config`
 - `ingester.client`
-- `metastore.grpc-client-config`
 - `pattern-ingester.client`
 - `querier.frontend-client`
 - `querier.frontend-grpc-client`

pkg/loki/loki.go

@@ -39,8 +39,6 @@ import (
 	"github.com/grafana/loki/v3/pkg/distributor"
 	"github.com/grafana/loki/v3/pkg/indexgateway"
 	"github.com/grafana/loki/v3/pkg/ingester"
-	"github.com/grafana/loki/v3/pkg/ingester-rf1/metastore"
-	metastoreclient "github.com/grafana/loki/v3/pkg/ingester-rf1/metastore/client"
 	ingester_client "github.com/grafana/loki/v3/pkg/ingester/client"
 	"github.com/grafana/loki/v3/pkg/kafka"
 	"github.com/grafana/loki/v3/pkg/loghttp/push"
@@ -105,8 +103,6 @@ type Config struct {
 	Worker              worker.Config              `yaml:"frontend_worker,omitempty"`
 	TableManager        index.TableManagerConfig   `yaml:"table_manager,omitempty"`
 	MemberlistKV        memberlist.KVConfig        `yaml:"memberlist"`
-	Metastore           metastore.Config           `yaml:"metastore,omitempty"`
-	MetastoreClient     metastoreclient.Config     `yaml:"metastore_client"`
 	KafkaConfig         kafka.Config               `yaml:"kafka_config,omitempty" category:"experimental"`
 
 	RuntimeConfig     runtimeconfig.Config `yaml:"runtime_config,omitempty"`
@@ -186,8 +182,6 @@ func (c *Config) RegisterFlags(f *flag.FlagSet) {
 	c.Analytics.RegisterFlags(f)
 	c.OperationalConfig.RegisterFlags(f)
 	c.Profiling.RegisterFlags(f)
-	c.Metastore.RegisterFlags(f)
-	c.MetastoreClient.RegisterFlags(f)
 	c.KafkaConfig.RegisterFlags(f)
 }
 
@@ -376,7 +370,6 @@ type Loki struct {
 	querySchedulerRingManager *lokiring.RingManager
 	usageReport               *analytics.Reporter
 	indexGatewayRingManager   *lokiring.RingManager
-	MetastoreClient           *metastoreclient.Client
 	partitionRingWatcher      *ring.PartitionRingWatcher
 	partitionRing             *ring.PartitionInstanceRing
 
@@ -417,8 +410,6 @@ func (t *Loki) setupAuthMiddleware() {
 		[]string{
 			"/grpc.health.v1.Health/Check",
 			"/grpc.health.v1.Health/Watch",
-			"/metastorepb.MetastoreService/AddBlock",
-			"/metastorepb.MetastoreService/ListBlocksForQuery",
 			"/logproto.StreamData/GetStreamRates",
 			"/frontend.Frontend/Process",
 			"/frontend.Frontend/NotifyClientShutdown",