feat: AL-3844 Add sameSite configuration to happy_sticky_session cookie

- configuration is optional with a default of "Lax"

Author: sfitzgerald-czi

terraform/modules/happy-ingress-eks/variables.tf

@@ -100,6 +100,7 @@ variable "routing" {
       enabled          = optional(bool, false),
       duration_seconds = optional(number, 600),
       cookie_name      = optional(string, "happy_sticky_session"),
+      cookie_samesite  = optional(string, "Lax"),
     }), {})
   })
   description = "Routing configuration for the ingress"
@@ -145,4 +146,4 @@ variable "additional_annotations" {
   type        = map(string)
   description = "Additional annotations to apply to the ingress resource"
   default     = {}
-}
+}

terraform/modules/happy-nginx-ingress-eks/README.md

@@ -31,12 +31,12 @@ No modules.
 | <a name="input_ingress_name"></a> [ingress\_name](#input\_ingress\_name) | Name of the ingress resource | `string` | n/a | yes |
 | <a name="input_k8s_namespace"></a> [k8s\_namespace](#input\_k8s\_namespace) | K8S namespace for this service | `string` | n/a | yes |
 | <a name="input_labels"></a> [labels](#input\_labels) | Labels to apply to ingress resource | `map(string)` | n/a | yes |
-| <a name="input_sticky_sessions"></a> [sticky\_sessions](#input\_sticky\_sessions) | Sticky session configuration | <pre>object({<br>    enabled          = optional(bool, true),<br>    duration_seconds = optional(number, 600),<br>    cookie_name      = optional(string, "happy_sticky_session"),<br>  })</pre> | `{}` | no |
+| <a name="input_sticky_sessions"></a> [sticky\_sessions](#input\_sticky\_sessions) | Sticky session configuration | <pre>object({<br>    enabled          = optional(bool, true),<br>    duration_seconds = optional(number, 600),<br>    cookie_name      = optional(string, "happy_sticky_session"),<br>    cookie_samesite  = optional(string, "Lax"),<br>  })</pre> | `{}` | no |
 | <a name="input_target_service_name"></a> [target\_service\_name](#input\_target\_service\_name) | Name of destination service that the ingress should route to | `string` | n/a | yes |
 | <a name="input_target_service_port"></a> [target\_service\_port](#input\_target\_service\_port) | Port of destination service that the ingress should route to | `string` | n/a | yes |
 | <a name="input_timeout"></a> [timeout](#input\_timeout) | Timeout for the ingress resource | `number` | `60` | no |
 
 ## Outputs
 
 No outputs.
-<!-- END -->
+<!-- END -->

terraform/modules/happy-nginx-ingress-eks/main.tf

@@ -1,9 +1,10 @@
 
 locals {
   sticky_annotations = {
-    "nginx.ingress.kubernetes.io/affinity"               = "cookie"
-    "nginx.ingress.kubernetes.io/session-cookie-name"    = var.sticky_sessions.cookie_name
-    "nginx.ingress.kubernetes.io/session-cookie-max-age" = var.sticky_sessions.duration_seconds
+    "nginx.ingress.kubernetes.io/affinity"                 = "cookie"
+    "nginx.ingress.kubernetes.io/session-cookie-name"      = var.sticky_sessions.cookie_name
+    "nginx.ingress.kubernetes.io/session-cookie-max-age"   = var.sticky_sessions.duration_seconds
+    "nginx.ingress.kubernetes.io/session-cookie-samesite"  = var.sticky_sessions.cookie_samesite
   }
 
   base_annotations = {
@@ -50,4 +51,4 @@ resource "kubernetes_ingress_v1" "ingress" {
       }
     }
   }
-}
+}

terraform/modules/happy-nginx-ingress-eks/variables.tf

@@ -47,7 +47,8 @@ variable "sticky_sessions" {
     enabled          = optional(bool, true),
     duration_seconds = optional(number, 600),
     cookie_name      = optional(string, "happy_sticky_session"),
+    cookie_samesite  = optional(string, "Lax"),
   })
   description = "Sticky session configuration"
   default     = {}
-}
+}

terraform/modules/happy-service-eks/variables.tf

@@ -334,6 +334,7 @@ variable "routing" {
       enabled          = optional(bool, false),
       duration_seconds = optional(number, 600),
       cookie_name      = optional(string, "happy_sticky_session"),
+      cookie_samesite  = optional(string, "Lax"),
     }), {})
   })
   description = "Routing configuration for the ingress"

terraform/modules/happy-stack-eks/variables.tf

@@ -119,6 +119,7 @@ variable "services" {
       enabled          = optional(bool, false),
       duration_seconds = optional(number, 600),
       cookie_name      = optional(string, "happy_sticky_session"),
+      cookie_samesite  = optional(string, "Lax"),
     }), {})
     sidecars = optional(map(object({
       image                     = string