Add a multus e2e test

Signed-off-by: Manuel Buil <[email protected]>
rancher · Mar 5, 2024 · 3674b39 · 3674b39
1 parent 9351840
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Showing 4 changed files with 285 additions and 3 deletions.
diff --git a/tests/e2e/multus/Vagrantfile b/tests/e2e/multus/Vagrantfile
@@ -0,0 +1,97 @@
+ENV['VAGRANT_NO_PARALLEL'] = 'no'
+NODE_ROLES = (ENV['E2E_NODE_ROLES'] || ["server-0", "agent-0" ])
+NODE_BOXES = (ENV['E2E_NODE_BOXES'] || ['generic/ubuntu2004', 'generic/ubuntu2004'])
+GITHUB_BRANCH = (ENV['E2E_GITHUB_BRANCH'] || "master")
+RELEASE_VERSION = (ENV['E2E_RELEASE_VERSION'] || "")
+NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i
+NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 3072).to_i
+CNI = (ENV['E2E_CNI'] || "multus,canal") # canal, cilium (with cni.exclusive: false in the chart values) and calico supported
+NETWORK4_PREFIX = "10.10.10"
+NETWORK6_PREFIX = "fd11:decf:c0ff:ee"
+install_type = ""
+
+def provision(vm, roles, role_num, node_num)
+  vm.box = NODE_BOXES[node_num]
+  vm.hostname = "#{roles[0]}-#{role_num}"
+  node_ip4 = "#{NETWORK4_PREFIX}.#{100+node_num}"
+  node_ip6 = "#{NETWORK6_PREFIX}::#{10+node_num}"
+  node_ip6_gw = "#{NETWORK6_PREFIX}::1"
+  # Only works with libvirt, which allows IPv4 + IPv6 on a single network/interface
+  vm.network "private_network", 
+    :ip => node_ip4,
+    :netmask => "255.255.255.0",
+    :libvirt__dhcp_enabled => false,
+    :libvirt__forward_mode => "none",
+    :libvirt__guest_ipv6 => "yes",
+    :libvirt__ipv6_address => "#{NETWORK6_PREFIX}::1",
+    :libvirt__ipv6_prefix => "64"
+
+  vagrant_defaults = File.exists?("./vagrantdefaults.rb") ? "./vagrantdefaults.rb" : "../vagrantdefaults.rb"
+  load vagrant_defaults
+
+  defaultOSConfigure(vm)
+
+  scripts_location = Dir.exists?("./scripts") ? "./scripts" : "../scripts" 
+  vm.provision "IPv6 Setup", type: "shell", path: scripts_location + "/ipv6.sh", args: [node_ip4, node_ip6, node_ip6_gw, CNI, vm.box]
+
+  install_type = getInstallType(vm, RELEASE_VERSION, GITHUB_BRANCH)
+  vm.provision "Ping Check", type: "shell", inline: "ping -4 -c 2 rke2.io"
+
+  if roles.include?("server")
+    vm.provision :rke2, run: 'once' do |rke2|
+      rke2.env = %W[INSTALL_RKE2_TYPE=server #{install_type}]
+      rke2.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
+      rke2.config = <<~YAML
+        write-kubeconfig-mode: '0644'
+        node-external-ip: #{node_ip4},#{node_ip6}
+        node-ip: #{node_ip4},#{node_ip6}
+        token: vagrant-rke2
+        cluster-cidr: 10.42.0.0/16,2001:cafe:42:0::/56
+        service-cidr: 10.43.0.0/16,2001:cafe:43:0::/112
+        bind-address: #{NETWORK4_PREFIX}.100
+        cni: #{CNI}
+      YAML
+    end
+  end
+  if roles.include?("agent")
+    vm.provision :rke2, run: 'once' do |rke2|
+      rke2.env = %W[INSTALL_RKE2_TYPE=agent #{install_type}]
+      rke2.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
+      rke2.install_path = false
+      rke2.config = <<~YAML
+        write-kubeconfig-mode: '0644'
+        node-external-ip: #{node_ip4},#{node_ip6}
+        node-ip: #{node_ip4},#{node_ip6}
+        server: https://#{NETWORK4_PREFIX}.100:9345
+        token: vagrant-rke2
+        cni: #{CNI}
+      YAML
+    end
+  end
+end
+
+Vagrant.configure("2") do |config|
+  config.vagrant.plugins = ["vagrant-rke2", "vagrant-reload", "vagrant-libvirt"]
+  config.vm.provider "libvirt" do |v|
+    v.cpus = NODE_CPUS
+    v.memory = NODE_MEMORY
+  end
+
+  if NODE_ROLES.kind_of?(String)
+    NODE_ROLES = NODE_ROLES.split(" ", -1)
+  end
+  if NODE_BOXES.kind_of?(String)
+    NODE_BOXES = NODE_BOXES.split(" ", -1)
+  end
+
+  # Must iterate on the index, vagrant does not understand iterating 
+  # over the node roles themselves
+  NODE_ROLES.length.times do |i|
+    name = NODE_ROLES[i]
+    config.vm.define name do |node|
+      roles = name.split("-", -1)
+      role_num = roles.pop.to_i
+      provision(node.vm, roles, role_num, i)
+    end
+  end
+end
diff --git a/tests/e2e/multus/multus_test.go b/tests/e2e/multus/multus_test.go
@@ -0,0 +1,111 @@
+package multus
+
+import (
+	"flag"
+	"fmt"
+
+	"os"
+	"strings"
+	"testing"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"github.com/rancher/rke2/tests/e2e"
+)
+
+// Valid nodeOS: generic/ubuntu2004, opensuse/Leap-15.3.x86_64
+var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system")
+var serverCount = flag.Int("serverCount", 1, "number of server nodes")
+var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
+var ci = flag.Bool("ci", false, "running on CI")
+
+// Environment Variables Info:
+// E2E_RELEASE_VERSION=v1.23.1+rke2r1 or nil for latest commit from master
+
+func Test_E2Emultus(t *testing.T) {
+	flag.Parse()
+	RegisterFailHandler(Fail)
+	suiteConfig, reporterConfig := GinkgoConfiguration()
+	RunSpecs(t, "Validate multus Test Suite", suiteConfig, reporterConfig)
+}
+
+var (
+	kubeConfigFile  string
+	serverNodeNames []string
+	agentNodeNames  []string
+)
+var _ = ReportAfterEach(e2e.GenReport)
+
+var _ = Describe("Verify multus Configuration", Ordered, func() {
+
+	It("Starts up with no issues", func() {
+		var err error
+		serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount)
+		Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
+		fmt.Println("CLUSTER CONFIG")
+		fmt.Println("OS:", *nodeOS)
+		fmt.Println("Server Nodes:", serverNodeNames)
+		fmt.Println("Agent Nodes:", agentNodeNames)
+		kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	It("Checks Node Status", func() {
+		Eventually(func(g Gomega) {
+			nodes, err := e2e.ParseNodes(kubeConfigFile, false)
+			g.Expect(err).NotTo(HaveOccurred())
+			for _, node := range nodes {
+				g.Expect(node.Status).Should(Equal("Ready"))
+			}
+		}, "620s", "5s").Should(Succeed())
+		_, err := e2e.ParseNodes(kubeConfigFile, true)
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	It("Checks Pod Status", func() {
+		Eventually(func(g Gomega) {
+			pods, err := e2e.ParsePods(kubeConfigFile, false)
+			g.Expect(err).NotTo(HaveOccurred())
+			for _, pod := range pods {
+				if strings.Contains(pod.Name, "helm-install") {
+					g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
+				} else {
+					g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
+				}
+			}
+		}, "420s", "5s").Should(Succeed())
+		_, err := e2e.ParsePods(kubeConfigFile, true)
+		Expect(err).NotTo(HaveOccurred())
+	})
+
+	It("Verifies multus daemonset comes up", func() {
+		Eventually(func() (string, error) {
+			cmd := "kubectl get ds rke2-multus -n kube-system -o jsonpath='{.status.numberReady}' --kubeconfig=" + kubeConfigFile
+			return e2e.RunCommand(cmd)
+		}, "120s", "5s").Should(ContainSubstring("2"))
+	})
+
+	It("Verifies macvlan communication via multus is working", func() {
+		_, err := e2e.DeployWorkload("multus-pods.yaml", kubeConfigFile)
+		Expect(err).NotTo(HaveOccurred())
+		cmd := "kubectl exec pod-macvlan --kubeconfig=" + kubeConfigFile + " -- ping -c 1 -w 2 10.1.1.102"
+		Eventually(func() (string, error) {
+			return e2e.RunCommand(cmd)
+		}, "20s", "3s").Should(ContainSubstring("0% packet loss"), "failed cmd: "+cmd)
+
+	})
+})
+
+var failed bool
+var _ = AfterEach(func() {
+	failed = failed || CurrentSpecReport().Failed()
+})
+
+var _ = AfterSuite(func() {
+	if failed && !*ci {
+		fmt.Println("FAILED!")
+	} else {
+		Expect(e2e.DestroyCluster()).To(Succeed())
+		Expect(os.Remove(kubeConfigFile)).To(Succeed())
+	}
+})
diff --git a/tests/e2e/resource_files/multus-pods.yaml b/tests/e2e/resource_files/multus-pods.yaml
@@ -0,0 +1,74 @@
+apiVersion: "k8s.cni.cncf.io/v1"
+kind: NetworkAttachmentDefinition
+metadata:
+  name: macvlan-conf
+spec: 
+  config: '{
+      "cniVersion": "0.3.1",
+      "plugins": [
+        {
+          "type": "macvlan",
+          "capabilities": { "ips": true },
+          "master": "eth1",
+          "mode": "bridge",
+          "ipam": {
+            "type": "static",
+            "routes": [
+              {
+                "dst": "0.0.0.0/0",
+                "gw": "10.1.1.1"
+              }
+            ] 
+          }
+        }, {
+          "capabilities": { "mac": true },
+          "type": "tuning"
+        }
+      ]
+    }'
+---
+
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: pod-macvlan
+  name: pod-macvlan
+  annotations:
+    k8s.v1.cni.cncf.io/networks: '[
+            { "name": "macvlan-conf",
+              "ips": [ "10.1.1.101/24" ],
+              "mac": "c2:b0:57:49:47:f1",
+              "gateway": [ "10.1.1.1" ]
+            }]'
+spec:
+  containers:
+  - image: praqma/network-multitool
+    imagePullPolicy: Always
+    name: multitool
+    securityContext:
+      capabilities:
+        add: ["NET_ADMIN","NET_RAW"]
+---
+
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: pod2-macvlan
+  name: pod2-macvlan
+  annotations:
+    k8s.v1.cni.cncf.io/networks: '[
+            { "name": "macvlan-conf",
+              "ips": [ "10.1.1.102/24" ],
+              "mac": "c2:b0:57:45:47:f1",
+              "gateway": [ "10.1.1.1" ]
+            }]'
+spec:
+  containers:
+  - image: praqma/network-multitool
+    imagePullPolicy: Always
+    name: multitool
+    securityContext:
+      capabilities:
+        add: ["NET_ADMIN","NET_RAW"]
diff --git a/tests/e2e/scripts/ipv6.sh b/tests/e2e/scripts/ipv6.sh
@@ -34,7 +34,7 @@ net.ipv6.conf.eth1.accept_dad=0" > /etc/sysctl.conf
 mkdir -p /var/lib/rancher/rke2/server/manifests
 
 case "$cni" in
-  "canal")
+  *canal*)
     echo "Creating canal chart"
     echo "apiVersion: helm.cattle.io/v1
 kind: HelmChartConfig
@@ -50,7 +50,7 @@ spec:
       ip6AutoDetectionMethod: \"interface=eth1.*\"" >> /var/lib/rancher/rke2/server/manifests/e2e-canal.yaml
   ;;
 
-  "cilium")
+  *cilium*)
     echo "Creating cilium chart"
     echo "apiVersion: helm.cattle.io/v1
 kind: HelmChartConfig
@@ -64,7 +64,7 @@ spec:
       enabled: true">> /var/lib/rancher/rke2/server/manifests/e2e-cilium.yaml
   ;;
 
-  "calico")
+  *calico*)
     echo "Creating calico chart"
     echo "apiVersion: helm.cattle.io/v1
 kind: HelmChartConfig