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https://github.com/k3s-io/k3s.git
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Add e2e test for embedded registry mirror
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
This commit is contained in:
Brad Davidson
Brad Davidson
parent
37e9b87f62
commit
6072476432
124
tests/e2e/embeddedmirror/Vagrantfile
vendored
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124
tests/e2e/embeddedmirror/Vagrantfile
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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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GOCOVER = (ENV['E2E_GOCOVER'] || "")
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NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i
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NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 2048).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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addCoverageDir(vm, role, GOCOVER)
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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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# The formatting on this is a little weird, but it allows inserting variables
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# and still using the heredoc formatting with escapped quotes
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writePrivateRegistry = <<~'SCRIPT'.chomp % {net: NETWORK_PREFIX}
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mkdir -p /etc/rancher/k3s/
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echo "mirrors:
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docker.io:" > /etc/rancher/k3s/registries.yaml
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SCRIPT
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if role.include?("server") && role_num == 0
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vm.provision "private-registry", type: "shell", inline: writePrivateRegistry
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dockerInstall(vm)
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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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cluster-init: true
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embedded-registry: true
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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 "shell", inline: writePrivateRegistry
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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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embedded-registry: true
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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 "shell", inline: writePrivateRegistry
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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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disable-default-registry-endpoint: true
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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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end
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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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156
tests/e2e/embeddedmirror/embeddedmirror_test.go
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156
tests/e2e/embeddedmirror/embeddedmirror_test.go
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@ -0,0 +1,156 @@
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package embeddedmirror
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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
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var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system")
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var serverCount = flag.Int("serverCount", 1, "number of server nodes")
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var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
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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_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master)
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// E2E_REGISTRY: true/false (default: false)
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func Test_E2EPrivateRegistry(t *testing.T) {
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RegisterFailHandler(Fail)
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flag.Parse()
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suiteConfig, reporterConfig := GinkgoConfiguration()
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RunSpecs(t, "Create Cluster Test Suite", suiteConfig, reporterConfig)
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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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)
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var _ = ReportAfterEach(e2e.GenReport)
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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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}, "620s", "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("Should create and validate deployment with embedded registry mirror using image tag", func() {
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res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-1 --image=docker.io/library/nginx:1.25.3", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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patchCmd := fmt.Sprintf(`kubectl patch deployment my-webpage-1 --patch '{"spec":{"replicas":%d,"revisionHistoryLimit":0,"strategy":{"type":"Recreate", "rollingUpdate": null},"template":{"spec":{"affinity":{"podAntiAffinity":{"requiredDuringSchedulingIgnoredDuringExecution":[{"labelSelector":{"matchExpressions":[{"key":"app","operator":"In","values":["my-webpage-1"]}]},"topologyKey":"kubernetes.io/hostname"}]}}}}}}'`, *serverCount+*agentCount)
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res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-1 --watch=true --timeout=360s", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Should create and validate deployment with embedded registry mirror using image digest for existing tag", func() {
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res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-2 --image=docker.io/library/nginx:sha256:9784f7985f6fba493ba30fb68419f50484fee8faaf677216cb95826f8491d2e9", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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patchCmd := fmt.Sprintf(`kubectl patch deployment my-webpage-2 --patch '{"spec":{"replicas":%d,"revisionHistoryLimit":0,"strategy":{"type":"Recreate", "rollingUpdate": null},"template":{"spec":{"affinity":{"podAntiAffinity":{"requiredDuringSchedulingIgnoredDuringExecution":[{"labelSelector":{"matchExpressions":[{"key":"app","operator":"In","values":["my-webpage-2"]}]},"topologyKey":"kubernetes.io/hostname"}]}}}}}}'`, *serverCount+*agentCount)
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res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-2 --watch=true --timeout=360s", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Should create and validate deployment with embedded registry mirror using image digest without corresponding tag", func() {
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res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-3 --image=docker.io/library/nginx:sha256:b4af4f8b6470febf45dc10f564551af682a802eda1743055a7dfc8332dffa595", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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patchCmd := fmt.Sprintf(`kubectl patch deployment my-webpage-3 --patch '{"spec":{"replicas":%d,"revisionHistoryLimit":0,"strategy":{"type":"Recreate", "rollingUpdate": null},"template":{"spec":{"affinity":{"podAntiAffinity":{"requiredDuringSchedulingIgnoredDuringExecution":[{"labelSelector":{"matchExpressions":[{"key":"app","operator":"In","values":["my-webpage-3"]}]},"topologyKey":"kubernetes.io/hostname"}]}}}}}}'`, *serverCount+*agentCount)
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res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-3 --watch=true --timeout=360s", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Should expose embedded registry metrics", func() {
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grepCmd := fmt.Sprintf("kubectl get --raw /api/v1/nodes/%s/proxy/metrics | grep -F 'spegel_advertised_images{registry=\"docker.io\"}'", serverNodeNames[0])
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res, err := e2e.RunCmdOnNode(grepCmd, serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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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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r2, err := e2e.RunCmdOnNode("kubectl delete deployment my-webpage-1 my-webpage-2 my-webpage-3", serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), r2)
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Expect(err).NotTo(HaveOccurred())
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Expect(e2e.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
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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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