[backport] feat: add annotation for FLB session sticky (#292)

Signed-off-by: Lin Yang <[email protected]>
flomesh-io · Jul 10, 2024 · db78fad · db78fad
1 parent 978e3a9
commit db78fad
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Showing 3 changed files with 5 additions and 0 deletions.
diff --git a/pkg/constants/constants.go b/pkg/constants/constants.go
@@ -779,6 +779,9 @@ const (
 	// FLBLimitSyncRateAnnotation is the annotation used to indicate the limit sync rate
 	FLBLimitSyncRateAnnotation = FLBPrefix + "/limit-sync-rate"
 
+	// FLBSessionStickyAnnotation is the annotation used to indicate if session sticky is enabled
+	FLBSessionStickyAnnotation = FLBPrefix + "/session-sticky"
+
 	// FLBConfigSecretLabel is the label used to indicate the secret
 	FLBConfigSecretLabel = FLBPrefix + "/config"
 

diff --git a/pkg/controllers/flb/service_controller.go b/pkg/controllers/flb/service_controller.go
@@ -466,6 +466,7 @@ func (r *serviceReconciler) getFLBParameters(svc *corev1.Service) map[string]str
 		flbXForwardedForEnabledHeaderName: svc.Annotations[constants.FLBXForwardedForEnabledAnnotation],
 		flbLimitSizeHeaderName:            svc.Annotations[constants.FLBLimitSizeAnnotation],
 		flbLimitSyncRateHeaderName:        svc.Annotations[constants.FLBLimitSyncRateAnnotation],
+		flbSessionStickyHeaderName:        svc.Annotations[constants.FLBSessionStickyAnnotation],
 	}
 
 	if flb.IsTLSEnabled(svc) {

diff --git a/pkg/controllers/flb/types.go b/pkg/controllers/flb/types.go
@@ -29,6 +29,7 @@ const (
 	flbXForwardedForEnabledHeaderName = "X-FLB-XForwardedFor"
 	flbLimitSizeHeaderName            = "X-FLB-Limit-Size"
 	flbLimitSyncRateHeaderName        = "X-FLB-Limit-SyncRate"
+	flbSessionStickyHeaderName        = "X-FLB-Sticky"
 )
 
 var (