New sticky session configuration

controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl

@@ -185,8 +185,8 @@ http {
 
     {{range $name, $upstream := $backends}}
     upstream {{$upstream.Name}} {
-        {{ if $cfg.EnableStickySessions }}
-        sticky hash=sha1 httponly;
+        {{ if $upstream.StickySession.Enabled }}
+        sticky hash={{$upstream.StickySession.Hash}} route={{$upstream.StickySession.Hash}}  httponly;
         {{ else }}
         least_conn;
         {{ end }}

core/pkg/ingress/annotations/stickysession/main.go

@@ -59,34 +59,27 @@ func NewParser() parser.IngressAnnotation {
 // rule used to configure the sticky directives
 func (a sticky) Parse(ing *extensions.Ingress) (interface{}, error) {
 	// Check if the sticky is enabled
-	se, err := parser.GetBoolAnnotation(stickyEnabled, ing)
-	if err != nil {
-		return nil, err
-	}
+	se, _ := parser.GetBoolAnnotation(stickyEnabled, ing)
 
 	// Get the Sticky Cookie Name
-	sn, err := parser.GetStringAnnotation(stickyName, ing)
-	if err != nil {
-		return nil, err
-	}
+	sn, _ := parser.GetStringAnnotation(stickyName, ing)
 
 	if sn == "" {
 		sn = defaultStickyName
 	}
 
-	sh, err := parser.GetStringAnnotation(stickyHash, ing)
-
-	if err != nil {
-		return nil, err
-	}
+	sh, _ := parser.GetStringAnnotation(stickyHash, ing)
 
 	if sh == "" {
 		sh = defaultStickyHash
 	}
 
 	if !stickyHashRegex.MatchString(sh) {
-		return nil, ing_errors.NewInvalidAnnotationContent(stickyHash, sh)
-	}
+		return &StickyConfig{
+		Name:    "",
+		Enabled: false,
+		Hash:    "",
+	}, ing_errors.NewInvalidAnnotationContent(stickyHash, sh)
 
 	return &StickyConfig{
 		Name:    sn,

core/pkg/ingress/annotations/stickysession/main_test.go

@@ -59,7 +59,7 @@ func buildIngress() *extensions.Ingress {
 	}
 }
 
-func TestIngressHealthCheck(t *testing.T) {
+func TestIngressStickySession(t *testing.T) {
 	ing := buildIngress()
 
 	data := map[string]string{}