mirror of https://github.com/k3s-io/k3s.git
add private registry e2e test (#7653)
add private registry e2e test Signed-off-by: Ian Cardoso <osodracnai@gmail.com> Co-authored-by: Derek Nola <derek.nola@suse.com>
This commit is contained in:
Ian Cardoso
GitHub
parent
1e73bb8967
commit
7c151d468f
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@ -49,6 +49,14 @@ Install the necessary vagrant plugins with the following command:
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```bash
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vagrant plugin install vagrant-libvirt vagrant-scp vagrant-k3s vagrant-reload
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```
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### Kubectl
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For linux
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```bash
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curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
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sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
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```
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If it does not work, or you are on a different system, check the [official tutorial](https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/)
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## Running
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@ -143,7 +143,7 @@ var _ = Describe("Verify MultiClusterCIDR Configuration", Ordered, func() {
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Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods {
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if pod.Node == "agent-0" {
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Expect(pod.NodeIP).Should(Or(ContainSubstring("10.10.10"), ContainSubstring("10.248.")), pod.Name)
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Expect(pod.IP).Should(Or(ContainSubstring("10.10.10"), ContainSubstring("10.248.")), pod.Name)
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}
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}
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})
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@ -260,7 +260,7 @@ var _ = Describe("Verify MultiClusterCIDR Configuration", Ordered, func() {
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Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods {
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if pod.Node == "agent-0" {
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Expect(pod.NodeIP).Should(Or(ContainSubstring("fd11:decf:c0ff"), ContainSubstring("2001:cafe:248")), pod.Name)
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Expect(pod.IP).Should(Or(ContainSubstring("fd11:decf:c0ff"), ContainSubstring("2001:cafe:248")), pod.Name)
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}
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}
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})
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@ -0,0 +1,131 @@
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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'] || 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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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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my-registry.local:
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endpoint:
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- \"http://%{net}.100:5000\"" > /etc/rancher/k3s/registries.yaml
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SCRIPT
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setInsecureRegistryPolicy = <<~'SCRIPT'.chomp % {net: NETWORK_PREFIX}
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mkdir -p /etc/docker/
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echo "{ \"insecure-registries\" : [\"%{net}.100:5000\"] }" > /etc/docker/daemon.json
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SCRIPT
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if role.include?("server") && role_num == 0
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vm.provision "insecure-registry", type: "shell", inline: setInsecureRegistryPolicy
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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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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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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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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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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 +1,162 @@
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package validatecluster
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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_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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// 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("Create new private registry", func() {
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registry, err := e2e.RunCmdOnNode("sudo docker run -d -p 5000:5000 --restart=always --name registry registry:2 ", serverNodeNames[0])
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fmt.Println(registry)
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Expect(err).NotTo(HaveOccurred())
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})
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It("ensures registry is working", func() {
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a, err := e2e.RunCmdOnNode("sudo docker ps -a | grep registry\n", serverNodeNames[0])
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fmt.Println(a)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Should pull and image from dockerhub and send it to private registry", func() {
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cmd := "sudo docker pull nginx"
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_, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), "failed: "+cmd)
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nodeIP, err := e2e.FetchNodeExternalIP(serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred())
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cmd = "sudo docker tag nginx " + nodeIP + ":5000/my-webpage"
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_, err = e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), "failed: "+cmd)
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cmd = "sudo docker push " + nodeIP + ":5000/my-webpage"
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_, err = e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), "failed: "+cmd)
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cmd = "sudo docker image remove nginx " + nodeIP + ":5000/my-webpage"
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_, err = e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), "failed: "+cmd)
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})
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It("Should create and validate deployment with private registry on", func() {
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res, err := e2e.RunCmdOnNode("sudo kubectl create deployment my-webpage --image=my-registry.local/my-webpage", serverNodeNames[0])
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fmt.Println(res)
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Expect(err).NotTo(HaveOccurred())
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var pod e2e.Pod
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Eventually(func(g Gomega) {
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pods, err := e2e.ParsePods(kubeConfigFile, false)
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for _, p := range pods {
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if strings.Contains(p.Name, "my-webpage") {
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pod = p
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}
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}
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(pod.Status).Should(Equal("Running"))
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g.Expect(pod.Node).Should(Equal(agentNodeNames[0]))
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}, "60s", "5s").Should(Succeed())
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cmd := "curl " + pod.IP
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Expect(e2e.RunCmdOnNode(cmd, serverNodeNames[0])).To(ContainSubstring("Welcome to nginx!"))
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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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r1, err := e2e.RunCmdOnNode("sudo docker rm -f registry", serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred(), r1)
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r2, err := e2e.RunCmdOnNode("sudo kubectl delete deployment my-webpage", 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.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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@ -35,7 +35,7 @@ type Pod struct {
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Ready string
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Status string
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Restarts string
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NodeIP string
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IP string
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Node string
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}
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@ -384,16 +384,10 @@ func ParseNodes(kubeConfig string, print bool) ([]Node, error) {
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return nodes, nil
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}
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func ParsePods(kubeConfig string, print bool) ([]Pod, error) {
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func formatPods(input string) ([]Pod, error) {
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pods := make([]Pod, 0, 10)
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podList := ""
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cmd := "kubectl get pods -o wide --no-headers -A --kubeconfig=" + kubeConfig
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res, _ := RunCommand(cmd)
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res = strings.TrimSpace(res)
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podList = res
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split := strings.Split(res, "\n")
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input = strings.TrimSpace(input)
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split := strings.Split(input, "\n")
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for _, rec := range split {
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fields := strings.Fields(string(rec))
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if len(fields) < 8 {
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@ -405,11 +399,25 @@ func ParsePods(kubeConfig string, print bool) ([]Pod, error) {
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Ready: fields[2],
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Status: fields[3],
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Restarts: fields[4],
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NodeIP: fields[6],
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IP: fields[6],
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Node: fields[7],
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}
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pods = append(pods, pod)
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}
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return pods, nil
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}
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func ParsePods(kubeConfig string, print bool) ([]Pod, error) {
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podList := ""
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cmd := "kubectl get pods -o wide --no-headers -A"
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res, _ := RunCommand(cmd)
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podList = strings.TrimSpace(res)
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pods, err := formatPods(res)
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if err != nil {
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return nil, err
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}
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if print {
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fmt.Println(podList)
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}
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