feat: Replace nginx ingress with Traefik in validation and image configuration

Signed-off-by: Homayoon (Hue) Alimohammadi <[email protected]>

Author: HomayoonAlimohammadi

build-scripts/images.txt

@@ -4,6 +4,6 @@ docker.io/calico/node:v3.29.3
 docker.io/cdkbot/hostpath-provisioner:1.5.0
 docker.io/coredns/coredns:1.12.3
 docker.io/library/busybox:1.28.4
-registry.k8s.io/ingress-nginx/controller:v1.13.1
+docker.io/traefik:v3.6.2
 registry.k8s.io/metrics-server/metrics-server:v0.8.0
 registry.k8s.io/pause:3.10

tests/validators.py

@@ -125,12 +125,12 @@ def validate_ingress():
     """
     Validate ingress by creating a ingress rule.
     """
-    daemonset = kubectl("get ds")
-    if "nginx-ingress-microk8s-controller" in daemonset:
-        wait_for_pod_state("", "default", "running", label="app=default-http-backend")
-        wait_for_pod_state("", "default", "running", label="name=nginx-ingress-microk8s")
-    else:
+    ds = kubectl("get ds -n ingress")
+    if "nginx-ingress-microk8s-controller" in ds:
         wait_for_pod_state("", "ingress", "running", label="name=nginx-ingress-microk8s")
+    else:
+        # Support migration to Traefik ingress controller
+        wait_for_pod_state("", "ingress", "running", label="app.kubernetes.io/name=traefik")
 
     manifest = TEMPLATES / "ingress.yaml"
     update_yaml_with_arch(manifest)