docs: fix query_ingester_only config (#5873)

* docs: fix query_ingester_only config

* fix: change msg when query_store_only and query_ingester_only is enabled

docs/sources/configuration/_index.md

@@ -296,6 +296,11 @@ The `querier` block configures the Loki Querier.
 # CLI flag: -querier.query-store-only
 [query_store_only: <boolean> | default = false]
 
+# Queriers should only query the ingesters and not try to query any store,
+# useful for when object store is unavailable.
+# CLI flag: -querier.query-ingester-only
+[query_ingester_only: <boolean> | default = false]
+
 # Allow queries for multiple tenants.
 # CLI flag: -querier.multi-tenant-queries-enabled
 [multi_tenant_queries_enabled: <boolean> | default = false]

pkg/querier/querier.go

@@ -70,7 +70,7 @@ func (cfg *Config) RegisterFlags(f *flag.FlagSet) {
 // Validate validates the config.
 func (cfg *Config) Validate() error {
 	if cfg.QueryStoreOnly && cfg.QueryIngesterOnly {
-		return errors.New("querier.query_store_only and querier.query_store_only cannot both be true")
+		return errors.New("querier.query_store_only and querier.query_ingester_only cannot both be true")
 	}
 	return nil
 }