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feat: trigger name limit #1080

Merged
merged 17 commits into from
Oct 15, 2024
Merged

feat: trigger name limit #1080

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20fd82f
feat: add limit for trigger
AleksandrMatsko Sep 3, 2024
4845fc3
test: fix broken
AleksandrMatsko Sep 3, 2024
20c9678
test: for validating trigger name
AleksandrMatsko Sep 4, 2024
e17aa33
style: use linter
AleksandrMatsko Sep 4, 2024
b413fb3
refactor: make some errors in dto private
AleksandrMatsko Sep 5, 2024
d28871c
refactor: move code from limits package to api
AleksandrMatsko Sep 6, 2024
1a64d49
refactor: move number to constant
AleksandrMatsko Sep 10, 2024
b389960
merge master into feat/trigger-name-limit
AleksandrMatsko Sep 17, 2024
f101d93
merge master into feat/trigger-name-limit
AleksandrMatsko Sep 24, 2024
d2f045c
merge master into feat/trigger-name-limit
AleksandrMatsko Sep 27, 2024
7bcb0da
test: fix panics because of no limits config in middleware
AleksandrMatsko Sep 27, 2024
dab6158
refactor: errors declaration
AleksandrMatsko Oct 1, 2024
ab99cb0
merge master into feat/trigger-name-limit
AleksandrMatsko Oct 2, 2024
d374f99
merge master into feat/trigger-name-limit
AleksandrMatsko Oct 4, 2024
db40ecb
merge master into feat/trigger-name-limit
AleksandrMatsko Oct 8, 2024
f275b9d
merge master into feat/trigger-name-limit
AleksandrMatsko Oct 8, 2024
eec4e37
merge origin/master into feat/trigger-name-limit
AleksandrMatsko Oct 15, 2024
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27 changes: 27 additions & 0 deletions api/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ type Config struct {
MetricsTTL map[moira.ClusterKey]time.Duration
Flags FeatureFlags
Authorization Authorization
Limits LimitsConfig
}

// WebConfig is container for web ui configuration parameters.
Expand All @@ -60,3 +61,29 @@ type MetricSourceCluster struct {
func (WebConfig) Render(w http.ResponseWriter, r *http.Request) error {
return nil
}

const (
// DefaultTriggerNameMaxSize which will be used while validating dto.Trigger.
DefaultTriggerNameMaxSize = 200
)

// LimitsConfig contains limits for some entities.
type LimitsConfig struct {
// Trigger contains limits for triggers.
Trigger TriggerLimits
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а зачем такая вложенность? будут еще какие-то лимиты на триггер?

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Мы с Олегом эту штуку обсудили, решили оставить так. Вот аргументы за:

  1. вполне можно ожидать появления других лимитов как для триггера (например, на число тегов у триггера, на длину описания и т.п.), так и для других сущностей.
  2. ожидается, что эта структура будет создана и заполнена один раз, положена в контекст запросов, а потом она будет нужна для получения их неё значений

}

// TriggerLimits contains all limits applied for triggers.
type TriggerLimits struct {
// MaxNameSize is the amount of characters allowed in trigger name.
MaxNameSize int
}

// GetTestLimitsConfig is used for testing.
func GetTestLimitsConfig() LimitsConfig {
return LimitsConfig{
Trigger: TriggerLimits{
MaxNameSize: DefaultTriggerNameMaxSize,
},
}
}
31 changes: 25 additions & 6 deletions api/dto/triggers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"regexp"
"strconv"
"time"
"unicode/utf8"

"github.com/moira-alert/moira/templating"

Expand All @@ -19,8 +20,19 @@ import (

var targetNameRegex = regexp.MustCompile("^t\\d+$")

// ErrBadAloneMetricName is used when any key in map TriggerModel.AloneMetric doesn't match targetNameRegex.
var ErrBadAloneMetricName = fmt.Errorf("alone metrics' target name must match the pattern: ^t\\d+$, for example: 't1'")
var (
// errBadAloneMetricName is used when any key in map TriggerModel.AloneMetric doesn't match targetNameRegex.
errBadAloneMetricName = fmt.Errorf("alone metrics' target name must match the pattern: ^t\\d+$, for example: 't1'")

// errTargetsRequired is returned when there is no targets in Trigger.
errTargetsRequired = fmt.Errorf("targets are required")

// errTagsRequired is returned when there is no tags in Trigger.
errTagsRequired = fmt.Errorf("tags are required")

// errTriggerNameRequired is returned when there is empty Name in Trigger.
errTriggerNameRequired = fmt.Errorf("trigger name is required")
)

// TODO(litleleprikon): Remove after https://github.com/moira-alert/moira/issues/550 will be resolved.
var asteriskPattern = "*"
Expand Down Expand Up @@ -152,15 +164,22 @@ func CreateTriggerModel(trigger *moira.Trigger) TriggerModel {
func (trigger *Trigger) Bind(request *http.Request) error {
trigger.Tags = normalizeTags(trigger.Tags)
if len(trigger.Targets) == 0 {
return api.ErrInvalidRequestContent{ValidationError: fmt.Errorf("targets is required")}
return api.ErrInvalidRequestContent{ValidationError: errTargetsRequired}
}

if len(trigger.Tags) == 0 {
return api.ErrInvalidRequestContent{ValidationError: fmt.Errorf("tags is required")}
return api.ErrInvalidRequestContent{ValidationError: errTagsRequired}
}

if trigger.Name == "" {
return api.ErrInvalidRequestContent{ValidationError: fmt.Errorf("trigger name is required")}
return api.ErrInvalidRequestContent{ValidationError: errTriggerNameRequired}
}

limits := middleware.GetLimits(request)
if utf8.RuneCountInString(trigger.Name) > limits.Trigger.MaxNameSize {
return api.ErrInvalidRequestContent{
ValidationError: fmt.Errorf("trigger name too long, should not be greater than %d symbols", limits.Trigger.MaxNameSize),
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}
}

if err := checkWarnErrorExpression(trigger); err != nil {
Expand All @@ -173,7 +192,7 @@ func (trigger *Trigger) Bind(request *http.Request) error {

for targetName := range trigger.AloneMetrics {
if !targetNameRegex.MatchString(targetName) {
return api.ErrInvalidRequestContent{ValidationError: ErrBadAloneMetricName}
return api.ErrInvalidRequestContent{ValidationError: errBadAloneMetricName}
}

targetIndexStr := targetName[1:]
Expand Down
52 changes: 50 additions & 2 deletions api/dto/triggers_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"context"
"fmt"
"net/http"
"strings"
"testing"
"time"

Expand All @@ -18,6 +19,52 @@ import (
)

func TestTriggerValidation(t *testing.T) {
Convey("Test trigger name and tags", t, func() {
trigger := Trigger{
TriggerModel: TriggerModel{},
}

limit := api.GetTestLimitsConfig()

request, _ := http.NewRequest("PUT", "/api/trigger", nil)
request.Header.Set("Content-Type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", limit))

Convey("with empty targets", func() {
err := trigger.Bind(request)

So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: errTargetsRequired})
})

trigger.Targets = []string{"foo.bar"}

Convey("with empty tag in tag list", func() {
trigger.Tags = []string{""}

err := trigger.Bind(request)

So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: errTagsRequired})
})

trigger.Tags = append(trigger.Tags, "tag1")

Convey("with empty Name", func() {
err := trigger.Bind(request)

So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: errTriggerNameRequired})
})

Convey("with too long Name", func() {
trigger.Name = strings.Repeat("ё", limit.Trigger.MaxNameSize+1)

err := trigger.Bind(request)

So(err, ShouldResemble, api.ErrInvalidRequestContent{
ValidationError: fmt.Errorf("trigger name too long, should not be greater than %d symbols", limit.Trigger.MaxNameSize),
})
})
})

Convey("Tests targets, values and expression validation", t, func() {
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
Expand All @@ -31,6 +78,7 @@ func TestTriggerValidation(t *testing.T) {
request.Header.Set("Content-Type", "application/json")
ctx := request.Context()
ctx = context.WithValue(ctx, middleware.ContextKey("metricSourceProvider"), sourceProvider)
ctx = context.WithValue(ctx, middleware.ContextKey("limits"), api.GetTestLimitsConfig())
request = request.WithContext(ctx)

desc := "Graphite ClickHouse"
Expand Down Expand Up @@ -203,13 +251,13 @@ func TestTriggerValidation(t *testing.T) {
trigger.AloneMetrics = map[string]bool{"ttt": true}
tr := Trigger{trigger, throttling}
err := tr.Bind(request)
So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: ErrBadAloneMetricName})
So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: errBadAloneMetricName})
})
Convey("have more than 1 metric name but only 1 need", func() {
trigger.AloneMetrics = map[string]bool{"t1 t2": true}
tr := Trigger{trigger, throttling}
err := tr.Bind(request)
So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: ErrBadAloneMetricName})
So(err, ShouldResemble, api.ErrInvalidRequestContent{ValidationError: errBadAloneMetricName})
})
Convey("have target higher than total amount of targets", func() {
trigger.AloneMetrics = map[string]bool{"t3": true}
Expand Down
1 change: 1 addition & 0 deletions api/handler/handler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ func NewHandler(
router.Use(moiramiddle.UserContext)
router.Use(moiramiddle.RequestLogger(log))
router.Use(middleware.NoCache)
router.Use(moiramiddle.LimitsContext(apiConfig.Limits))

router.NotFound(notFoundHandler)
router.MethodNotAllowed(methodNotAllowedHandler)
Expand Down
9 changes: 8 additions & 1 deletion api/handler/trigger_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@ import (
"testing"
"time"

"github.com/moira-alert/moira/api"

"github.com/moira-alert/moira"
"github.com/moira-alert/moira/api/dto"
"github.com/moira-alert/moira/api/middleware"
Expand Down Expand Up @@ -165,8 +167,8 @@ func TestUpdateTrigger(t *testing.T) {
testRequest.Header.Add("content-type", "application/json")
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "metricSourceProvider", sourceProvider))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "clustersMetricTTL", MakeTestTTLs()))

testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), triggerIDKey, triggerID))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, testRequest)
Expand Down Expand Up @@ -208,6 +210,7 @@ func TestUpdateTrigger(t *testing.T) {
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerID))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, request)
Expand Down Expand Up @@ -247,6 +250,7 @@ func TestUpdateTrigger(t *testing.T) {
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerID))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, request)
Expand All @@ -272,6 +276,7 @@ func TestUpdateTrigger(t *testing.T) {
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerID))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, request)
Expand Down Expand Up @@ -335,6 +340,7 @@ func TestUpdateTrigger(t *testing.T) {
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerID))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, request)
Expand All @@ -353,6 +359,7 @@ func TestUpdateTrigger(t *testing.T) {
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerID))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
updateTrigger(responseWriter, request)
Expand Down
13 changes: 13 additions & 0 deletions api/handler/triggers_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,7 @@ func TestGetTriggerFromRequest(t *testing.T) {
request := httptest.NewRequest(http.MethodPut, "/trigger", bytes.NewReader(body))
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

Convey("It should be parsed successfully", func() {
triggerDTO.TTL = moira.DefaultTTL
Expand Down Expand Up @@ -138,6 +139,7 @@ func TestGetTriggerFromRequest(t *testing.T) {
request := httptest.NewRequest(http.MethodPut, "/trigger", strings.NewReader(body))
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

Convey("Parser should return en error", func() {
_, err := getTriggerFromRequest(request)
Expand Down Expand Up @@ -190,6 +192,7 @@ func TestGetTriggerFromRequest(t *testing.T) {
request := httptest.NewRequest(http.MethodPut, "/trigger", bytes.NewReader(body))
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", allSourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

testLogger, _ := logging.GetLogger("Test")

Expand All @@ -214,6 +217,7 @@ func TestGetTriggerFromRequest(t *testing.T) {
request := httptest.NewRequest(http.MethodPut, "/trigger", bytes.NewReader(body))
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", allSourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

var returnedErr error = &prometheus.Error{
Type: prometheus.ErrBadData,
Expand All @@ -240,6 +244,7 @@ func TestGetTriggerFromRequest(t *testing.T) {
request := httptest.NewRequest(http.MethodPut, "/trigger", bytes.NewReader(body))
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", allSourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

var returnedErr error = &prometheus.Error{
Type: errType,
Expand Down Expand Up @@ -366,6 +371,7 @@ func TestTriggerCheckHandler(t *testing.T) {
testRequest.Header.Add("content-type", "application/json")
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "metricSourceProvider", sourceProvider))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "clustersMetricTTL", MakeTestTTLs()))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "limits", api.GetTestLimitsConfig()))

triggerCheck(responseWriter, testRequest)

Expand Down Expand Up @@ -430,6 +436,7 @@ func TestCreateTriggerHandler(t *testing.T) {
testRequest.Header.Add("content-type", "application/json")
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "metricSourceProvider", sourceProvider))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "clustersMetricTTL", MakeTestTTLs()))
testRequest = testRequest.WithContext(middleware.SetContextValueForTest(testRequest.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, testRequest)
Expand Down Expand Up @@ -467,6 +474,7 @@ func TestCreateTriggerHandler(t *testing.T) {
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, request)
Expand Down Expand Up @@ -505,6 +513,7 @@ func TestCreateTriggerHandler(t *testing.T) {
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, request)
Expand All @@ -528,6 +537,7 @@ func TestCreateTriggerHandler(t *testing.T) {
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, request)
Expand Down Expand Up @@ -590,6 +600,7 @@ func TestCreateTriggerHandler(t *testing.T) {
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, request)
Expand All @@ -607,6 +618,7 @@ func TestCreateTriggerHandler(t *testing.T) {
request.Header.Add("content-type", "application/json")
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

responseWriter := httptest.NewRecorder()
createTrigger(responseWriter, request)
Expand Down Expand Up @@ -826,6 +838,7 @@ func newTriggerCreateRequest(
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "metricSourceProvider", sourceProvider))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "clustersMetricTTL", MakeTestTTLs()))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), triggerIDKey, triggerId))
request = request.WithContext(middleware.SetContextValueForTest(request.Context(), "limits", api.GetTestLimitsConfig()))

return request
}
Expand Down
10 changes: 10 additions & 0 deletions api/middleware/context.go
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Original file line number Diff line number Diff line change
Expand Up @@ -331,3 +331,13 @@ func StatesContext() func(next http.Handler) http.Handler {
})
}
}

// LimitsContext places api.LimitsConfig to request context.
func LimitsContext(limit api.LimitsConfig) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
ctx := context.WithValue(request.Context(), limitsContextKey, limit)
next.ServeHTTP(writer, request.WithContext(ctx))
})
}
}
6 changes: 6 additions & 0 deletions api/middleware/middleware.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ var (
authKey ContextKey = "auth"
metricContextKey ContextKey = "metric"
statesContextKey ContextKey = "states"
limitsContextKey ContextKey = "limits"
anonymousUser = "anonymous"
)

Expand Down Expand Up @@ -174,3 +175,8 @@ func GetMetric(request *http.Request) string {
func GetStates(request *http.Request) map[string]struct{} {
return request.Context().Value(statesContextKey).(map[string]struct{})
}

// GetLimits returns configured limits.
func GetLimits(request *http.Request) api.LimitsConfig {
return request.Context().Value(limitsContextKey).(api.LimitsConfig)
}
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