Removing calico - using default CNI from Kind

Author: irapandey

CONTRIBUTING.md

@@ -80,9 +80,8 @@ To manually setup run:
 ```shell
 # To generate an Kubebuilder local binary with your changes
 make install
-# To create the cluster and configure a CNI which supports NetworkPolicy
+# To create the cluster
 kind create cluster --config ./test/e2e/kind-config.yaml
-kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
 ```
 
 Now, you can for example, run in debug mode the `test/e2e/v4/e2e_suite_test.go`:

test/e2e/kind-config.yaml

@@ -15,6 +15,6 @@
 kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 networking:
-  disableDefaultCNI: true  # Disable the default CNI so that we can test NetworkPolicies
+  disableDefaultCNI: false # Let it use default CNI so we can test NetworkPolicies
 nodes:
   - role: control-plane

test/e2e/setup.sh

@@ -39,8 +39,6 @@ function create_cluster {
     fi
     echo "Creating cluster..."
     kind create cluster -v 4 --name $KIND_CLUSTER --retain --wait=1m --config ${kind_config} --image=kindest/node:$1
-    echo "Installing Calico..."
-    kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
   fi
 }
 

test/e2e/v4/plugin_cluster_test.go

@@ -207,18 +207,6 @@ func Run(kbc *utils.TestContext, hasWebhook, isToUseInstaller, isToUseHelmChart,
 	Expect(err).NotTo(HaveOccurred())
 
 	if hasNetworkPolicies {
-		By("Checking for Calico pods")
-		var outputGet string
-		outputGet, err = kbc.Kubectl.Get(
-			false,
-			"pods",
-			"-n", "kube-system",
-			"-l", "k8s-app=calico-node",
-			"-o", "jsonpath={.items[*].status.phase}",
-		)
-		Expect(err).NotTo(HaveOccurred(), "Failed to get Calico pods")
-		Expect(outputGet).To(ContainSubstring("Running"), "All Calico pods should be in Running state")
-
 		if hasMetrics {
 			By("labeling the namespace to allow consume the metrics")
 			Expect(kbc.Kubectl.Command("label", "namespaces", kbc.Kubectl.Namespace,