codestyle: moves cache to infra (#17519)

pkg/api/http_server.go

@@ -16,13 +16,13 @@ import (
 	httpstatic "github.com/grafana/grafana/pkg/api/static"
 	"github.com/grafana/grafana/pkg/bus"
 	"github.com/grafana/grafana/pkg/components/simplejson"
+	"github.com/grafana/grafana/pkg/infra/localcache"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/infra/remotecache"
 	"github.com/grafana/grafana/pkg/middleware"
 	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/registry"
-	"github.com/grafana/grafana/pkg/services/cache"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/hooks"
 	"github.com/grafana/grafana/pkg/services/quota"
@@ -60,7 +60,7 @@ type HTTPServer struct {
 	RenderService       rendering.Service        `inject:""`
 	Cfg                 *setting.Cfg             `inject:""`
 	HooksService        *hooks.HooksService      `inject:""`
-	CacheService        *cache.CacheService      `inject:""`
+	CacheService        *localcache.CacheService `inject:""`
 	DatasourceCache     datasources.CacheService `inject:""`
 	AuthTokenService    models.UserTokenService  `inject:""`
 	QuotaService        *quota.QuotaService      `inject:""`

pkg/cmd/grafana-server/server.go

@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/facebookgo/inject"
+	"github.com/patrickmn/go-cache"
 	"golang.org/x/sync/errgroup"
 
 	"github.com/grafana/grafana/pkg/api"
@@ -31,7 +32,6 @@ import (
 	"github.com/grafana/grafana/pkg/registry"
 	_ "github.com/grafana/grafana/pkg/services/alerting"
 	_ "github.com/grafana/grafana/pkg/services/auth"
-	"github.com/grafana/grafana/pkg/services/cache"
 	_ "github.com/grafana/grafana/pkg/services/cleanup"
 	_ "github.com/grafana/grafana/pkg/services/notifications"
 	_ "github.com/grafana/grafana/pkg/services/provisioning"

pkg/services/cache/cache.go → pkg/infra/localcache/cache.go

-package cache
+package localcache
 
 import (
 	"time"
@@ -6,10 +6,12 @@ import (
 	gocache "github.com/patrickmn/go-cache"
 )
 
+// CacheService cache any object in memory on the local instance.
 type CacheService struct {
 	*gocache.Cache
 }
 
+// New returns a new CacheService
 func New(defaultExpiration, cleanupInterval time.Duration) *CacheService {
 	return &CacheService{
 		Cache: gocache.New(defaultExpiration, cleanupInterval),

pkg/services/datasources/cache.go

@@ -5,9 +5,9 @@ import (
 	"time"
 
 	"github.com/grafana/grafana/pkg/bus"
+	"github.com/grafana/grafana/pkg/infra/localcache"
 	m "github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/registry"
-	"github.com/grafana/grafana/pkg/services/cache"
 )
 
 type CacheService interface {
@@ -16,7 +16,7 @@ type CacheService interface {
 
 type CacheServiceImpl struct {
 	Bus          bus.Bus                  `inject:""`
-	CacheService *cache.CacheService `inject:""`
+	CacheService *localcache.CacheService `inject:""`
 }
 
 func init() {

pkg/services/sqlstore/sqlstore.go

@@ -13,11 +13,11 @@ import (
 	"github.com/go-sql-driver/mysql"
 	"github.com/go-xorm/xorm"
 	"github.com/grafana/grafana/pkg/bus"
+	"github.com/grafana/grafana/pkg/infra/localcache"
 	"github.com/grafana/grafana/pkg/infra/log"
 	m "github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/registry"
 	"github.com/grafana/grafana/pkg/services/annotations"
-	"github.com/grafana/grafana/pkg/services/cache"
 	"github.com/grafana/grafana/pkg/services/sqlstore/migrations"
 	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
 	"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
@@ -52,7 +52,7 @@ func init() {
 type SqlStore struct {
 	Cfg          *setting.Cfg             `inject:""`
 	Bus          bus.Bus                  `inject:""`
-	CacheService *cache.CacheService `inject:""`
+	CacheService *localcache.CacheService `inject:""`
 
 	dbCfg           DatabaseConfig
 	engine          *xorm.Engine
@@ -296,7 +296,7 @@ func InitTestDB(t ITestDB) *SqlStore {
 	sqlstore := &SqlStore{}
 	sqlstore.skipEnsureAdmin = true
 	sqlstore.Bus = bus.New()
-	sqlstore.CacheService = cache.New(5*time.Minute, 10*time.Minute)
+	sqlstore.CacheService = localcache.New(5*time.Minute, 10*time.Minute)
 
 	dbType := migrator.SQLITE