feat(kubernetes): Add PIXIE support for kops in guided install (#1126)

* feat(kubernetes): Added PIXIE support with kOps distribution as well

recipes/newrelic/infrastructure/kubernetes.yml

@@ -311,7 +311,7 @@ install:
               echo -e "\033[0;31mTurning off Pixie for this installation\033[0m" >&2
               PIXIE_SUPPORTED=false
             elif [[ "$MEMORY" -ge 3906250 ]] && [[ "$MEMORY" -lt 7812500 ]]; then
-            	echo "Detected ${MEMORY} Ki.." >&2
+              echo "Detected ${MEMORY} Ki.." >&2
               echo -e "\033[0;31mSetting Pixie memory limit to 1Gi.\033[0m" >&2
               PIXIE_MEM="1Gi"
               PIXIE_SUPPORTED=true
@@ -385,18 +385,16 @@ install:
 
             if echo ${K8S_VERSION} | grep "\-gke\." >/dev/null; then
               PIXIE_SUPPORTED=true
-            fi
-
-            if echo ${K8S_VERSION} | grep "\-eks\-" >/dev/null; then
+            elif echo ${K8S_VERSION} | grep "\-eks\-" >/dev/null; then
               PIXIE_SUPPORTED=true
-            fi
-
-            if echo ${K8S_VERSION} | grep "\+k[0,3]s.*" > /dev/null; then
+            elif echo ${K8S_VERSION} | grep "\+k[0,3]s.*" > /dev/null; then
+              PIXIE_SUPPORTED=true
+            elif $SUDO $KUBECTL get nodes --show-labels | grep "kops.k8s.io" > /dev/null; then
               PIXIE_SUPPORTED=true
             fi
 
             if [[ "$PIXIE_SUPPORTED" != "true" ]]; then
-              echo "This type of Kubernetes cluster is not supported by Pixie: GKE, EKS, AKS, Minikube, k3s, and k0s are supported." >&2
+              echo "This type of Kubernetes cluster is not supported by Pixie: GKE, EKS, AKS, Minikube, k3s, k0s and kOps are supported." >&2
               echo -e "\033[0;31mTurning off Pixie for this installation\033[0m" >&2
               DEBUG_MESSAGE="Pixie is unsupported due to k8s version - ${K8S_VERSION}; ${DEBUG_MESSAGE}"
             fi