Make Ray optional, do not install by default with kind

docs/gcp.md

@@ -67,7 +67,5 @@ Note that the proxy is only used by the script itself, it is not used in the clu
 
 # On control node execute
 export ICL_INGRESS_DOMAIN={ingress_domain}
-# Ray client endpoint is not currently supported on GKE
-export ICL_DISABLE_RAY_TEST=1
 ./scripts/ccn/test.sh
 ```

terraform/icl/main.tf

@@ -85,6 +85,7 @@ module "prefect" {
 }
 
 module "ray" {
+  count = var.ray_enabled ? 1 : 0
   source = "../modules/ray"
   depends_on = [module.shared-volume]
   namespace_labels = var.namespace_labels

terraform/icl/variables.tf

@@ -130,6 +130,12 @@ variable "prefect_api_url" {
   type = string
 }
 
+variable "ray_enabled" {
+  description = "Enable Ray"
+  type = bool
+  default = false
+}
+
 variable "ray_image" {
   description = "Full tag for Ray Docker image"
   default = "pbchekin/icl-ray:2.9.2-py39"

tests/smoke/test_ray.py

@@ -1,8 +1,8 @@
 import time
 from os import getenv
 
+import pytest
 import ray
-from pytest import mark
 
 
 def ray_init(address, retries=10, retry_delay=30):
@@ -25,10 +25,7 @@ def f(x):
     return x * x
 
 
-@mark.skipif(
-    getenv("ICL_DISABLE_RAY_TEST") is not None,
-    reason="Ray test is disabled by setting ICL_DISABLE_RAY_TEST",
-)
+@pytest.mark.skip(reason='Ray disabled')
 def test_ray(ray_endpoint):
     ray_init(address=f'ray://{ray_endpoint}')
     living_nodes = [node for node in ray.nodes() if node.get('alive')]