mirror of
https://github.com/k3s-io/k3s.git
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307 lines
12 KiB
Go
307 lines
12 KiB
Go
package createcluster
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import (
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"flag"
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"fmt"
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"strings"
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"testing"
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tf "github.com/k3s-io/k3s/tests/terraform"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var awsAmi = flag.String("aws_ami", "", "a valid ami string like ami-abcxyz123")
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var nodeOs = flag.String("node_os", "ubuntu", "a string")
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var externalDb = flag.String("external_db", "mysql", "a string")
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var arch = flag.String("arch", "amd64", "a string")
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var clusterType = flag.String("cluster_type", "etcd", "a string")
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var resourceName = flag.String("resource_name", "etcd", "a string")
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var sshuser = flag.String("sshuser", "ubuntu", "a string")
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var sshkey = flag.String("sshkey", "", "a string")
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var accessKey = flag.String("access_key", "", "local path to the private sshkey")
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var serverNodes = flag.Int("no_of_server_nodes", 2, "count of server nodes")
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var workerNodes = flag.Int("no_of_worker_nodes", 1, "count of worker nodes")
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var tfVars = flag.String("tfvars", "/tests/terraform/modules/k3scluster/config/local.tfvars", "custom .tfvars file from base project path")
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var destroy = flag.Bool("destroy", false, "a bool")
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var failed = false
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var terraformOptions map[string]interface{}
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func Test_TFClusterCreateValidation(t *testing.T) {
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RegisterFailHandler(Fail)
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flag.Parse()
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RunSpecs(t, "Create Cluster Test Suite")
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}
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var _ = BeforeSuite(func() {
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terraformOptions = ClusterOptions(NodeOs(*nodeOs), AwsAmi(*awsAmi), ClusterType(*clusterType), ExternalDb(*externalDb), ResourceName(*resourceName), AccessKey(*accessKey), Sshuser(*sshuser), ServerNodes(*serverNodes), WorkerNodes(*workerNodes), Sshkey(*sshkey))
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})
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var _ = Describe("Test:", func() {
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Context("Build Cluster:", func() {
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It("Starts up with no issues", func() {
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status, err := BuildCluster(&testing.T{}, *tfVars, false, terraformOptions)
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Expect(err).NotTo(HaveOccurred())
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Expect(status).To(Equal("cluster created"))
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defer GinkgoRecover()
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if strings.Contains(*clusterType, "etcd") {
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fmt.Println("\nCLUSTER CONFIG:\nOS", *nodeOs, "\nBACKEND", *clusterType)
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} else {
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fmt.Println("\nCLUSTER CONFIG:\nOS", *nodeOs, "\nBACKEND", *externalDb)
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}
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fmt.Printf("\nIPs:\n")
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fmt.Println("Server Node IPS:", MasterIPs)
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fmt.Println("Agent Node IPS:", WorkerIPs)
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fmt.Println(KubeConfigFile)
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Expect(KubeConfigFile).Should(ContainSubstring(*resourceName))
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})
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It("Checks Node and Pod Status", func() {
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defer func() {
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_, err := tf.ParseNodes(KubeConfigFile, true)
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if err != nil {
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fmt.Println("Error retrieving nodes: ", err)
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}
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_, err = tf.ParsePods(KubeConfigFile, true)
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if err != nil {
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fmt.Println("Error retrieving pods: ", err)
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}
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}()
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fmt.Printf("\nFetching node status\n")
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expectedNodeCount := *serverNodes + *workerNodes + 1
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Eventually(func(g Gomega) {
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nodes, err := tf.ParseNodes(KubeConfigFile, false)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(len(nodes)).To(Equal(expectedNodeCount), "Number of nodes should match the spec")
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for _, node := range nodes {
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g.Expect(node.Status).Should(Equal("Ready"), "Nodes should all be in Ready state")
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}
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}, "420s", "5s").Should(Succeed())
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fmt.Printf("\nFetching pod status\n")
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Eventually(func(g Gomega) {
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pods, err := tf.ParsePods(KubeConfigFile, false)
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g.Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods {
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if strings.Contains(pod.Name, "helm-install") {
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g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
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} else {
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g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
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g.Expect(pod.Restarts).Should(Equal("0"), pod.Name)
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}
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}
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}, "600s", "5s").Should(Succeed())
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})
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It("Verifies ClusterIP Service", func() {
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_, err := tf.DeployWorkload("clusterip.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-clusterip --field-selector=status.phase=Running --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should((ContainSubstring("test-clusterip")))
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}, "420s", "5s").Should(Succeed())
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clusterip, _ := tf.FetchClusterIP(KubeConfigFile, "nginx-clusterip-svc")
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cmd := "curl -sL --insecure http://" + clusterip + "/name.html"
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nodeExternalIP := tf.FetchNodeExternalIP(KubeConfigFile)
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for _, ip := range nodeExternalIP {
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Eventually(func(g Gomega) {
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res, err := tf.RunCmdOnNode(cmd, ip, *sshuser, *accessKey)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-clusterip"))
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}, "420s", "10s").Should(Succeed())
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}
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})
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It("Verifies NodePort Service", func() {
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_, err := tf.DeployWorkload("nodeport.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed")
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nodeExternalIP := tf.FetchNodeExternalIP(KubeConfigFile)
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cmd := "kubectl get service nginx-nodeport-svc --kubeconfig=" + KubeConfigFile + " --output jsonpath=\"{.spec.ports[0].nodePort}\""
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nodeport, err := tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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for _, ip := range nodeExternalIP {
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-nodeport"))
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}, "240s", "5s").Should(Succeed())
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cmd = "curl -sL --insecure http://" + ip + ":" + nodeport + "/name.html"
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Eventually(func(g Gomega) {
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-nodeport"))
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}, "240s", "5s").Should(Succeed())
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}
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})
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It("Verifies LoadBalancer Service", func() {
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_, err := tf.DeployWorkload("loadbalancer.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "Loadbalancer manifest not deployed")
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nodeExternalIP := tf.FetchNodeExternalIP(KubeConfigFile)
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cmd := "kubectl get service nginx-loadbalancer-svc --kubeconfig=" + KubeConfigFile + " --output jsonpath=\"{.spec.ports[0].port}\""
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port, err := tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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for _, ip := range nodeExternalIP {
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-loadbalancer --field-selector=status.phase=Running --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-loadbalancer"))
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}, "240s", "5s").Should(Succeed())
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Eventually(func(g Gomega) {
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cmd = "curl -sL --insecure http://" + ip + ":" + port + "/name.html"
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-loadbalancer"))
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}, "240s", "5s").Should(Succeed())
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}
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})
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It("Verifies Ingress", func() {
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_, err := tf.DeployWorkload("ingress.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "Ingress manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-ingress --field-selector=status.phase=Running --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-ingress"))
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}, "240s", "5s").Should(Succeed())
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ingressIps, err := tf.FetchIngressIP(KubeConfigFile)
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Expect(err).NotTo(HaveOccurred(), "Ingress ip is not returned")
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for _, ip := range ingressIps {
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cmd := "curl -s --header host:foo1.bar.com" + " http://" + ip + "/name.html"
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Eventually(func(g Gomega) {
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-ingress"))
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}, "240s", "5s").Should(Succeed())
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}
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})
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It("Verifies Daemonset", func() {
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_, err := tf.DeployWorkload("daemonset.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "Daemonset manifest not deployed")
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nodes, _ := tf.ParseNodes(KubeConfigFile, false)
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pods, _ := tf.ParsePods(KubeConfigFile, false)
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Eventually(func(g Gomega) {
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count := tf.CountOfStringInSlice("test-daemonset", pods)
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g.Expect(len(nodes)).Should((Equal(count)), "Daemonset pod count does not match node count")
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}, "420s", "10s").Should(Succeed())
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})
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It("Verifies Local Path Provisioner storage ", func() {
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_, err := tf.DeployWorkload("local-path-provisioner.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pvc local-path-pvc --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("local-path-pvc"))
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g.Expect(res).Should(ContainSubstring("Bound"))
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}, "420s", "2s").Should(Succeed())
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Eventually(func(g Gomega) {
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cmd := "kubectl get pod volume-test --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("volume-test"))
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g.Expect(res).Should(ContainSubstring("Running"))
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}, "420s", "2s").Should(Succeed())
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cmd := "kubectl --kubeconfig=" + KubeConfigFile + " exec volume-test -- sh -c 'echo local-path-test > /data/test'"
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_, err = tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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cmd = "kubectl delete pod volume-test --kubeconfig=" + KubeConfigFile
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_, err = tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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_, err = tf.DeployWorkload("local-path-provisioner.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l app=local-path-provisioner --field-selector=status.phase=Running -n kube-system --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("pod/local-path-provisioner"))
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}, "420s", "2s").Should(Succeed())
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Eventually(func(g Gomega) {
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cmd := "kubectl get pod volume-test --kubeconfig=" + KubeConfigFile
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("volume-test"))
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g.Expect(res).Should(ContainSubstring("Running"))
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}, "420s", "2s").Should(Succeed())
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Eventually(func(g Gomega) {
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cmd := "kubectl exec volume-test --kubeconfig=" + KubeConfigFile + " -- cat /data/test"
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res, err := tf.RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("local-path-test"))
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}, "180s", "2s").Should(Succeed())
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})
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It("Verifies dns access", func() {
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_, err := tf.DeployWorkload("dnsutils.yaml", KubeConfigFile, *arch)
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Expect(err).NotTo(HaveOccurred(), "dnsutils manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods dnsutils --kubeconfig=" + KubeConfigFile
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res, _ := tf.RunCommand(cmd)
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g.Expect(res).Should(ContainSubstring("dnsutils"))
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g.Expect(res).Should(ContainSubstring("Running"))
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}, "420s", "2s").Should(Succeed())
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Eventually(func(g Gomega) {
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cmd := "kubectl --kubeconfig=" + KubeConfigFile + " exec -t dnsutils -- nslookup kubernetes.default"
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res, _ := tf.RunCommand(cmd)
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g.Expect(res).Should(ContainSubstring("kubernetes.default.svc.cluster.local"))
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}, "420s", "2s").Should(Succeed())
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})
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})
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})
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var _ = AfterEach(func() {
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failed = failed || CurrentSpecReport().Failed()
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})
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var _ = BeforeEach(func() {
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failed = failed || CurrentSpecReport().Failed()
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if *destroy {
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Skip("Cluster is being Deleted")
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}
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})
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var _ = AfterSuite(func() {
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if failed {
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fmt.Println("FAILED!")
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} else {
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fmt.Println("PASSED!")
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}
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if *destroy {
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status, err := BuildCluster(&testing.T{}, *tfVars, *destroy, terraformOptions)
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Expect(err).NotTo(HaveOccurred())
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Expect(status).To(Equal("cluster destroyed"))
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}
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})
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