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* Add snapshot and restore test Signed-off-by: Shylaja Devadiga <shylaja@rancher.com>pull/6405/head
ShylajaDevadiga
2 years ago
committed by
GitHub
2 changed files with 314 additions and 0 deletions
@ -0,0 +1,125 @@ |
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ENV['VAGRANT_NO_PARALLEL'] = 'no' |
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NODE_ROLES = (ENV['E2E_NODE_ROLES'] || |
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["server-0", "server-1", "server-2", "agent-0", "agent-1"]) |
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NODE_BOXES = (ENV['E2E_NODE_BOXES'] || |
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['generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004']) |
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GITHUB_BRANCH = (ENV['E2E_GITHUB_BRANCH'] || "master") |
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RELEASE_VERSION = (ENV['E2E_RELEASE_VERSION'] || "") |
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EXTERNAL_DB = (ENV['E2E_EXTERNAL_DB'] || "etcd") |
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NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i |
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NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 1024).to_i |
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# Virtualbox >= 6.1.28 require `/etc/vbox/network.conf` for expanded private networks |
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NETWORK_PREFIX = "10.10.10" |
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install_type = "" |
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def provision(vm, role, role_num, node_num) |
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vm.box = NODE_BOXES[node_num] |
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vm.hostname = role |
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# An expanded netmask is required to allow VM<-->VM communication, virtualbox defaults to /32 |
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node_ip = "#{NETWORK_PREFIX}.#{100+node_num}" |
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vm.network "private_network", ip: node_ip, netmask: "255.255.255.0" |
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scripts_location = Dir.exists?("./scripts") ? "./scripts" : "../scripts" |
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vagrant_defaults = File.exists?("./vagrantdefaults.rb") ? "./vagrantdefaults.rb" : "../vagrantdefaults.rb" |
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load vagrant_defaults |
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defaultOSConfigure(vm) |
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install_type = getInstallType(vm, RELEASE_VERSION, GITHUB_BRANCH) |
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vm.provision "shell", inline: "ping -c 2 k3s.io" |
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db_type = getDBType(role, role_num, vm) |
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if role.include?("server") && role_num == 0 |
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vm.provision 'k3s-primary-server', type: 'k3s', run: 'once' do |k3s| |
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k3s.args = "server " |
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k3s.config = <<~YAML |
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token: vagrant |
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node-external-ip: #{NETWORK_PREFIX}.100 |
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flannel-iface: eth1 |
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tls-san: #{NETWORK_PREFIX}.100.nip.io |
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#{db_type} |
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YAML |
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k3s.env = %W[K3S_KUBECONFIG_MODE=0644 #{install_type}] |
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k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321 |
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end |
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elsif role.include?("server") && role_num != 0 |
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vm.provision 'k3s-secondary-server', type: 'k3s', run: 'once' do |k3s| |
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k3s.args = "server" |
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k3s.config = <<~YAML |
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server: "https://#{NETWORK_PREFIX}.100:6443" |
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token: vagrant |
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node-external-ip: #{node_ip} |
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flannel-iface: eth1 |
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#{db_type} |
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YAML |
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k3s.env = %W[K3S_KUBECONFIG_MODE=0644 K3S_TOKEN=vagrant #{install_type}] |
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k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321 |
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end |
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end |
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if role.include?("agent") |
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vm.provision 'k3s-agent', type: 'k3s', run: 'once' do |k3s| |
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k3s.args = "agent" |
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k3s.config = <<~YAML |
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server: "https://#{NETWORK_PREFIX}.100:6443" |
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token: vagrant |
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node-external-ip: #{node_ip} |
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flannel-iface: eth1 |
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#{db_type} |
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YAML |
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k3s.env = %W[K3S_KUBECONFIG_MODE=0644 #{install_type}] |
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k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321 |
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end |
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end |
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if vm.box.to_s.include?("microos") |
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vm.provision 'k3s-reload', type: 'reload', run: 'once' |
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if !EXTERNAL_DB.empty? |
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vm.provision "shell", inline: "docker start #{EXTERNAL_DB}" |
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end |
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end |
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# This step does not run by default and is designed to be called by higher level tools |
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end |
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def getDBType(role, role_num, vm) |
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if ( EXTERNAL_DB == "" || EXTERNAL_DB == "etcd" ) |
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if role.include?("server") && role_num == 0 |
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return "cluster-init: true" |
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end |
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else |
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puts "Unknown EXTERNAL_DB: " + EXTERNAL_DB |
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abort |
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end |
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return "" |
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end |
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Vagrant.configure("2") do |config| |
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config.vagrant.plugins = ["vagrant-k3s", "vagrant-reload"] |
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# Default provider is libvirt, virtualbox is only provided as a backup |
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config.vm.provider "libvirt" do |v| |
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v.cpus = NODE_CPUS |
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v.memory = NODE_MEMORY |
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end |
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config.vm.provider "virtualbox" do |v| |
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v.cpus = NODE_CPUS |
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v.memory = NODE_MEMORY |
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end |
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if NODE_ROLES.kind_of?(String) |
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NODE_ROLES = NODE_ROLES.split(" ", -1) |
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end |
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if NODE_BOXES.kind_of?(String) |
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NODE_BOXES = NODE_BOXES.split(" ", -1) |
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end |
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# Must iterate on the index, vagrant does not understand iterating |
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# over the node roles themselves |
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NODE_ROLES.length.times do |i| |
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name = NODE_ROLES[i] |
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role_num = name.split("-", -1).pop.to_i |
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config.vm.define name do |node| |
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provision(node.vm, name, role_num, i) |
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end |
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end |
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end |
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@ -0,0 +1,189 @@ |
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package snapshotrestore |
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import ( |
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"flag" |
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"fmt" |
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"os" |
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"strings" |
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"testing" |
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"github.com/k3s-io/k3s/tests/e2e" |
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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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// Valid nodeOS:
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// generic/ubuntu2004, generic/centos7, generic/rocky8,
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// opensuse/Leap-15.3.x86_64, dweomer/microos.amd64
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var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system") |
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var serverCount = flag.Int("serverCount", 3, "number of server nodes") |
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var agentCount = flag.Int("agentCount", 1, "number of agent nodes") |
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var hardened = flag.Bool("hardened", false, "true or false") |
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var ci = flag.Bool("ci", false, "running on CI") |
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var local = flag.Bool("local", false, "deploy a locally built K3s binary") |
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// Environment Variables Info:
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// E2E_EXTERNAL_DB: mysql, postgres, etcd (default: etcd)
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// E2E_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master)
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func Test_E2ESnapshotRestore(t *testing.T) { |
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RegisterFailHandler(Fail) |
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flag.Parse() |
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RunSpecs(t, "SnapshotRestore Test Suite") |
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} |
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var ( |
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kubeConfigFile string |
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serverNodeNames []string |
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agentNodeNames []string |
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snapshotname string |
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) |
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var _ = Describe("Verify Create", Ordered, func() { |
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Context("Cluster :", func() { |
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It("Starts up with no issues", func() { |
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var err error |
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if *local { |
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serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, *agentCount) |
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} else { |
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serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount) |
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} |
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Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err)) |
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fmt.Println("CLUSTER CONFIG") |
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fmt.Println("OS:", *nodeOS) |
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fmt.Println("Server Nodes:", serverNodeNames) |
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fmt.Println("Agent Nodes:", agentNodeNames) |
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kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0]) |
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Expect(err).NotTo(HaveOccurred()) |
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}) |
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It("Checks Node and Pod Status", func() { |
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fmt.Printf("\nFetching node status\n") |
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Eventually(func(g Gomega) { |
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nodes, err := e2e.ParseNodes(kubeConfigFile, false) |
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g.Expect(err).NotTo(HaveOccurred()) |
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for _, node := range nodes { |
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g.Expect(node.Status).Should(Equal("Ready")) |
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} |
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}, "420s", "5s").Should(Succeed()) |
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_, _ = e2e.ParseNodes(kubeConfigFile, true) |
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fmt.Printf("\nFetching Pods status\n") |
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Eventually(func(g Gomega) { |
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pods, err := e2e.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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} |
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} |
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}, "620s", "5s").Should(Succeed()) |
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_, _ = e2e.ParsePods(kubeConfigFile, true) |
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}) |
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It("Verifies test workload before snapshot is created", func() { |
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res, err := e2e.DeployWorkload("clusterip.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed: "+res) |
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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 := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred()) |
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g.Expect(res).Should((ContainSubstring("test-clusterip")), "failed cmd: "+cmd+" result: "+res) |
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}, "240s", "5s").Should(Succeed()) |
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}) |
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It("Verifies Snapshot is created", func() { |
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Eventually(func(g Gomega) { |
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cmd := "sudo k3s etcd-snapshot" |
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_, err := e2e.RunCmdOnNode(cmd, "server-0") |
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g.Expect(err).NotTo(HaveOccurred()) |
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cmd = "sudo ls /var/lib/rancher/k3s/server/db/snapshots/" |
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snapshotname, err = e2e.RunCmdOnNode(cmd, "server-0") |
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fmt.Println("Snapshot Name", snapshotname) |
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g.Expect(snapshotname).Should(ContainSubstring("on-demand-server-0")) |
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}, "420s", "10s").Should(Succeed()) |
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}) |
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It("Verifies another test workload after snapshot is created", func() { |
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_, err := e2e.DeployWorkload("nodeport.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "NodePort 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-nodeport --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred()) |
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g.Expect(res).Should(ContainSubstring("test-nodeport"), "nodeport pod was not created") |
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}, "240s", "5s").Should(Succeed()) |
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}) |
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It("Verifies snapshot is restored successfully and validates only test workload1 is present", func() { |
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//Stop k3s on all nodes
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for _, nodeName := range serverNodeNames { |
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cmd := "sudo systemctl stop k3s" |
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_, err := e2e.RunCmdOnNode(cmd, nodeName) |
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Expect(err).NotTo(HaveOccurred()) |
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} |
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//Restores from snapshot on server-0
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for _, nodeName := range serverNodeNames { |
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if nodeName == "server-0" { |
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cmd := "sudo k3s server --cluster-init --cluster-reset --cluster-reset-restore-path=/var/lib/rancher/k3s/server/db/snapshots/" + snapshotname |
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res, err := e2e.RunCmdOnNode(cmd, nodeName) |
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Expect(err).NotTo(HaveOccurred()) |
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Expect(res).Should(ContainSubstring("Managed etcd cluster membership has been reset, restart without --cluster-reset flag now")) |
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cmd = "sudo systemctl start k3s" |
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_, err = e2e.RunCmdOnNode(cmd, nodeName) |
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Expect(err).NotTo(HaveOccurred()) |
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} |
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} |
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//Verifies node is up and pods running
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fmt.Printf("\nFetching node status\n") |
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Eventually(func(g Gomega) { |
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nodes, err := e2e.ParseNodes(kubeConfigFile, false) |
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g.Expect(err).NotTo(HaveOccurred()) |
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for _, node := range nodes { |
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g.Expect(node.Status).Should(Equal("Ready")) |
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} |
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}, "420s", "5s").Should(Succeed()) |
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_, _ = e2e.ParseNodes(kubeConfigFile, true) |
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fmt.Printf("\nFetching Pods status\n") |
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Eventually(func(g Gomega) { |
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pods, err := e2e.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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} |
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} |
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}, "620s", "5s").Should(Succeed()) |
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_, _ = e2e.ParsePods(kubeConfigFile, true) |
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//Verifies test workload1 is present
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//Verifies test workload2 is not present
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cmd := "kubectl get pods --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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Expect(res).Should(ContainSubstring("test-clusterip")) |
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Expect(res).ShouldNot(ContainSubstring("test-nodeport")) |
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}) |
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}) |
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}) |
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var failed bool |
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var _ = AfterEach(func() { |
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failed = failed || CurrentSpecReport().Failed() |
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}) |
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var _ = AfterSuite(func() { |
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if failed && !*ci { |
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fmt.Println("FAILED!") |
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} else { |
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Expect(e2e.DestroyCluster()).To(Succeed()) |
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Expect(os.Remove(kubeConfigFile)).To(Succeed()) |
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} |
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}) |
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