Add a cluster precheck for tuneSysctlConfig

Signed-off-by: cyclinder <qifeng.guo@daocloud.io>

test/Makefile

@@ -109,10 +109,11 @@ endif
 	@ echo "wait for the cluster ready" ; \
 		TEST_IMAGE_NAME=$(TEST_IMAGE_NAME) \
 		RELEASE_NAMESPACE=$(RELEASE_NAMESPACE) \
+		E2E_IP_FAMILY=$(E2E_IP_FAMILY) \
 		MULTUS_DEFAULT_CNI_NAME=$(MULTUS_DEFAULT_CNI_VLAN0) \
 		E2E_CLUSTER_NAME=$(E2E_CLUSTER_NAME) \
 		INSTALL_OVERLAY_CNI=$(INSTALL_OVERLAY_CNI) \
-		scripts/installTestPod.sh $(E2E_KUBECONFIG)
+		scripts/preCheckClusterReady.sh $(E2E_KUBECONFIG)
 	@echo ""
 	@echo "-----------------------------------------------------------------------------------------------------"
 	@echo "       ip family: $(E2E_IP_FAMILY)"

test/scripts/preCheckClusterReady.sh

@@ -0,0 +1,91 @@
+#!/bin/bash
+
+# SPDX-License-Identifier: Apache-2.0
+# Copyright Authors of Spider
+
+E2E_KUBECONFIG="$1"
+
+CURRENT_FILENAME=$( basename $0 )
+CURRENT_DIR_PATH=$(cd $(dirname $0); pwd)
+
+[ -z "$E2E_KUBECONFIG" ] && echo "error, miss E2E_KUBECONFIG " && exit 1
+[ ! -f "$E2E_KUBECONFIG" ] && echo "error, could not find file $E2E_KUBECONFIG " && exit 1
+
+[ -z "$E2E_CLUSTER_NAME" ] && echo "error, miss E2E_CLUSTER_NAME " && exit 1
+echo "$CURRENT_FILENAME : E2E_CLUSTER_NAME $E2E_CLUSTER_NAME "
+
+[ -z "$E2E_IP_FAMILY" ] && echo "error, miss E2E_IP_FAMILY " && exit 1
+echo "$CURRENT_FILENAME : E2E_IP_FAMILY $E2E_IP_FAMILY "
+
+[ -z "$TEST_IMAGE_NAME" ] && echo "error, miss TEST_IMAGE_NAME" && exit 1
+echo "$CURRENT_FILENAME : TEST_IMAGE_NAME $TEST_IMAGE_NAME "
+
+echo "$CURRENT_FILENAME : E2E_KUBECONFIG $E2E_KUBECONFIG "
+
+checkSysctlConfig() {
+  kind_nodes=$(kind get nodes --name ${E2E_CLUSTER_NAME})
+  [ -z "$kind_nodes" ] && echo "error, any kind nodes not found" && exit 1
+  for node in $kind_nodes; do
+        echo "preCheckClusterReady.sh: Check the sysctl config for the kind node: ${node}"
+        value=$(docker exec ${node} sysctl net.ipv4.conf.all.rp_filter | awk -F '=' '{print $2}' | tr -d ' ')
+        if [ "$value" != "0" ]; then
+            echo "error, net.ipv4.conf.all.rp_filter should be 0, but got $value"
+            exit 1
+        fi
+        echo "preCheckClusterReady.sh: sysctlConfig net.ipv4.conf.all.rp_filter for $node is expect $value" 
+  done
+}
+
+testPodsReady() {
+  docker pull ${TEST_IMAGE_NAME}
+  kind load docker-image ${TEST_IMAGE_NAME} --name $E2E_CLUSTER_NAME
+
+  NAME=test-pod
+cat << EOF | kubectl apply --kubeconfig ${E2E_KUBECONFIG} -f -
+  apiVersion: apps/v1
+  kind: Deployment
+  metadata:
+    name: ${NAME}
+    namespace: default
+    labels:
+      app: $NAME
+  spec:
+    replicas: 1
+    selector:
+      matchLabels:
+        app: $NAME
+    template:
+      metadata:
+        annotations:
+          $(if [[ "${INSTALL_OVERLAY_CNI}" == "true" ]];then
+          echo "k8s.v1.cni.cncf.io/networks: ${RELEASE_NAMESPACE}/${MULTUS_DEFAULT_CNI_NAME}"
+          fi)
+        name: $NAME
+        labels:
+          app: $NAME
+      spec:
+        containers:
+        - name: $NAME
+          image: ${TEST_IMAGE_NAME}
+          imagePullPolicy: IfNotPresent
+          command:
+          - "/bin/sh"
+          args:
+          - "-c"
+          - "sleep infinity"
+EOF
+
+  echo "waiting for deployment/${NAME} ready"
+  if ! kubectl rollout status  deployment/${NAME} --kubeconfig ${E2E_KUBECONFIG} -w --timeout=120s ; then
+      kubectl describe po --kubeconfig ${E2E_KUBECONFIG}
+      echo "error, failed to create a test pod"
+      exit 1
+  fi
+
+  echo "succeed to create a test pod"
+  # kubectl delete deployment/${NAME}
+  exit 0
+}
+
+checkSysctlConfig
+testPodsReady