feat: take pager TTL from config instead of hardcoded const

api/config.go

@@ -83,10 +83,20 @@ func (WebConfig) Render(http.ResponseWriter, *http.Request) error {
 const (
 	// DefaultTriggerNameMaxSize which will be used while validating dto.Trigger.
 	DefaultTriggerNameMaxSize = 200
+	// DefaultTriggerPagerTTL which will be used via trigger creation.
+	DefaultTriggerPagerTTL = time.Minute * 30
 )
 
+// PagerLimits contains all limits applied for pagers.
+type PagerLimits struct {
+	// TTL is the amount of time that the pager will be exist
+	TTL time.Duration
+}
+
 // LimitsConfig contains limits for some entities.
 type LimitsConfig struct {
+	// Pager contains limits for pagers.
+	Pager PagerLimits
 	// Trigger contains limits for triggers.
 	Trigger TriggerLimits
 	// Trigger contains limits for teams.
@@ -102,6 +112,9 @@ type TriggerLimits struct {
 // GetTestLimitsConfig is used for testing.
 func GetTestLimitsConfig() LimitsConfig {
 	return LimitsConfig{
+		Pager: PagerLimits{
+			TTL: DefaultTriggerPagerTTL,
+		},
 		Trigger: TriggerLimits{
 			MaxNameSize: DefaultTriggerNameMaxSize,
 		},

api/controller/triggers.go

@@ -100,7 +100,7 @@ func SearchTriggers(database moira.Database, searcher moira.Searcher, options mo
 			return nil, api.ErrorInternalServer(err)
 		}
 		options.PagerID = uuid4.String()
-		err = database.SaveTriggersSearchResults(options.PagerID, searchResults)
+		err = database.SaveTriggersSearchResults(options.PagerID, searchResults, options.PagerTTL)
 		if err != nil {
 			return nil, api.ErrorInternalServer(err)
 		}

api/controller/triggers_test.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"testing"
+	"time"
 
 	"github.com/gofrs/uuid"
 	"github.com/moira-alert/moira"
@@ -604,10 +605,11 @@ func TestSearchTriggers(t *testing.T) {
 			searchOptions.Page = 0
 			searchOptions.Size = -1
 			searchOptions.CreatePager = true
+			searchOptions.PagerTTL = time.Hour * 2
 			exp = 31
 			gomock.InOrder(
 				mockIndex.EXPECT().SearchTriggers(searchOptions).Return(triggerSearchResults, exp, nil),
-				mockDatabase.EXPECT().SaveTriggersSearchResults(gomock.Any(), triggerSearchResults).Return(nil).Do(func(pID string, _ interface{}) {
+				mockDatabase.EXPECT().SaveTriggersSearchResults(gomock.Any(), triggerSearchResults, gomock.Any()).Return(nil).Do(func(pID string, _ interface{}, _ interface{}) {
 					searchOptions.PagerID = pID
 				}),
 				mockDatabase.EXPECT().GetTriggerChecks(triggerIDs).Return(triggersPointers, nil),

api/handler/triggers.go

@@ -44,7 +44,7 @@ func triggers(metricSourceProvider *metricSource.SourceProvider, searcher moira.
 		router.Route("/{triggerId}", trigger)
 		router.With(middleware.Paginate(0, 10)).With(middleware.Pager(false, "")).Get("/search", searchTriggers)
 		router.With(middleware.Pager(false, "")).Delete("/search/pager", deletePager)
-		// ToDo: DEPRECATED method. Remove in Moira 2.6
+		// TODO: DEPRECATED method. Remove in Moira 2.6
 		router.With(middleware.Paginate(0, 10)).With(middleware.Pager(false, "")).Get("/page", searchTriggers)
 	}
 }
@@ -330,6 +330,7 @@ func searchTriggers(writer http.ResponseWriter, request *http.Request) {
 		NeedSearchByCreatedBy: ok,
 		CreatePager:           middleware.GetCreatePager(request),
 		PagerID:               middleware.GetPagerID(request),
+		PagerTTL:              middleware.GetLimits(request).Pager.TTL,
 	}
 
 	triggersList, errorResponse := controller.SearchTriggers(database, searchIndex, searchOptions)

cmd/api/config.go

@@ -54,12 +54,20 @@ type apiConfig struct {
 
 // LimitsConfig contains configurable moira limits.
 type LimitsConfig struct {
+	// Pager contains the limits applied to pagers.
+	Pager PagerLimits `yaml:"pager"`
 	// Trigger contains the limits applied to triggers.
 	Trigger TriggerLimitsConfig `yaml:"trigger"`
 	// Team contains the limits applied to teams.
 	Team TeamLimitsConfig `yaml:"team"`
 }
 
+// PagerLimits represents the limits which will be applied to all pagers.
+type PagerLimits struct {
+	// TTL is the amount of time that the pager will be exist
+	TTL time.Duration `yaml:"ttl"`
+}
+
 // TriggerLimitsConfig represents the limits which will be applied to all triggers.
 type TriggerLimitsConfig struct {
 	// MaxNameSize is the max amount of characters allowed in trigger name.
@@ -77,6 +85,9 @@ type TeamLimitsConfig struct {
 // ToLimits converts LimitsConfig to api.LimitsConfig.
 func (conf LimitsConfig) ToLimits() api.LimitsConfig {
 	return api.LimitsConfig{
+		Pager: api.PagerLimits{
+			TTL: conf.Pager.TTL,
+		},
 		Trigger: api.TriggerLimits{
 			MaxNameSize: conf.Trigger.MaxNameSize,
 		},
@@ -281,6 +292,9 @@ func getDefault() config {
 			Listen:     ":8081",
 			EnableCORS: false,
 			Limits: LimitsConfig{
+				Pager: PagerLimits{
+					TTL: api.DefaultTriggerPagerTTL,
+				},
 				Trigger: TriggerLimitsConfig{
 					MaxNameSize: api.DefaultTriggerNameMaxSize,
 				},

cmd/api/config_test.go

@@ -89,6 +89,9 @@ func Test_webConfig_getDefault(t *testing.T) {
 				Listen:     ":8081",
 				EnableCORS: false,
 				Limits: LimitsConfig{
+					Pager: PagerLimits{
+						TTL: api.DefaultTriggerPagerTTL,
+					},
 					Trigger: TriggerLimitsConfig{
 						MaxNameSize: api.DefaultTriggerNameMaxSize,
 					},

database/redis/triggers_search_results.go

@@ -9,10 +9,8 @@ import (
 	"github.com/moira-alert/moira/database/redis/reply"
 )
 
-const triggersSearchResultsExpire = time.Second * 1800
-
 // SaveTriggersSearchResults is a function that takes an ID of pager and saves it to redis.
-func (connector *DbConnector) SaveTriggersSearchResults(searchResultsID string, searchResults []*moira.SearchResult) error {
+func (connector *DbConnector) SaveTriggersSearchResults(searchResultsID string, searchResults []*moira.SearchResult, recordTTL time.Duration) error {
 	ctx := connector.context
 	pipe := (*connector.client).TxPipeline()
 
@@ -27,7 +25,7 @@ func (connector *DbConnector) SaveTriggersSearchResults(searchResultsID string,
 			return fmt.Errorf("failed to PUSH: %w", err)
 		}
 	}
-	if err := pipe.Expire(ctx, resultsID, triggersSearchResultsExpire).Err(); err != nil {
+	if err := pipe.Expire(ctx, resultsID, recordTTL).Err(); err != nil {
 		return fmt.Errorf("failed to set expire time: %w", err)
 	}
 	response, err := pipe.Exec(ctx)

database/redis/triggers_search_results_test.go

@@ -3,6 +3,7 @@ package redis
 import (
 	"fmt"
 	"testing"
+	"time"
 
 	"github.com/moira-alert/moira"
 	logging "github.com/moira-alert/moira/logging/zerolog_adapter"
@@ -96,7 +97,7 @@ func TestTriggersSearchResultsStoring(t *testing.T) {
 	defer dataBase.Flush()
 
 	Convey("Search Results Manipulation", t, func() {
-		err := dataBase.SaveTriggersSearchResults(searchResultsID, searchResults)
+		err := dataBase.SaveTriggersSearchResults(searchResultsID, searchResults, time.Hour)
 		So(err, ShouldBeNil)
 
 		actual, total, err := dataBase.GetTriggersSearchResults(searchResultsID, 0, -1)
@@ -176,7 +177,7 @@ func BenchmarkSaveTriggersSearchResults(b *testing.B) {
 		dataBase.Flush()
 		b.Run(fmt.Sprintf("Benchmark%d", limit), func(b *testing.B) {
 			for n := 0; n < b.N; n++ {
-				dataBase.SaveTriggersSearchResults(fmt.Sprintf("test_%d_%d", limit, n), data) //nolint
+				dataBase.SaveTriggersSearchResults(fmt.Sprintf("test_%d_%d", limit, n), data, time.Hour) //nolint
 			}
 		})
 	}

datatypes.go

@@ -532,6 +532,7 @@ type SearchOptions struct {
 	NeedSearchByCreatedBy bool
 	CreatePager           bool
 	PagerID               string
+	PagerTTL              time.Duration
 }
 
 // MaintenanceCheck set maintenance user, time.

interfaces.go

@@ -50,7 +50,7 @@ type Database interface {
 
 	// SearchResult AKA pager storing
 	GetTriggersSearchResults(searchResultsID string, page, size int64) ([]*SearchResult, int64, error)
-	SaveTriggersSearchResults(searchResultsID string, searchResults []*SearchResult) error
+	SaveTriggersSearchResults(searchResultsID string, searchResults []*SearchResult, recordTTL time.Duration) error
 	IsTriggersSearchResultsExist(pagerID string) (bool, error)
 	DeleteTriggersSearchResults(pagerID string) error