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Add e2e test for embedded registry mirror

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Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
(cherry picked from commit 6072476432)
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
pull/9216/head
Brad Davidson 11 months ago committed by Brad Davidson
parent f3c6250b28
commit bda4b73493
2 changed files with 280 additions and 0 deletions
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124
tests/e2e/embeddedmirror/Vagrantfile vendored
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ENV['VAGRANT_NO_PARALLEL'] = 'no'
NODE_ROLES = (ENV['E2E_NODE_ROLES'] ||
["server-0", "server-1", "server-2", "agent-0", "agent-1"])
NODE_BOXES = (ENV['E2E_NODE_BOXES'] ||
['generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004'])
GITHUB_BRANCH = (ENV['E2E_GITHUB_BRANCH'] || "master")
RELEASE_VERSION = (ENV['E2E_RELEASE_VERSION'] || "")
GOCOVER = (ENV['E2E_GOCOVER'] || "")
NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i
NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 2048).to_i
# Virtualbox >= 6.1.28 require `/etc/vbox/network.conf` for expanded private networks
NETWORK_PREFIX = "10.10.10"
install_type = ""
def provision(vm, role, role_num, node_num)
vm.box = NODE_BOXES[node_num]
vm.hostname = role
# An expanded netmask is required to allow VM<-->VM communication, virtualbox defaults to /32
node_ip = "#{NETWORK_PREFIX}.#{100+node_num}"
vm.network "private_network", ip: node_ip, netmask: "255.255.255.0"
scripts_location = Dir.exists?("./scripts") ? "./scripts" : "../scripts"
vagrant_defaults = File.exists?("./vagrantdefaults.rb") ? "./vagrantdefaults.rb" : "../vagrantdefaults.rb"
load vagrant_defaults
defaultOSConfigure(vm)
addCoverageDir(vm, role, GOCOVER)
install_type = getInstallType(vm, RELEASE_VERSION, GITHUB_BRANCH)
vm.provision "shell", inline: "ping -c 2 k3s.io"
# The formatting on this is a little weird, but it allows inserting variables
# and still using the heredoc formatting with escapped quotes
writePrivateRegistry = <<~'SCRIPT'.chomp % {net: NETWORK_PREFIX}
mkdir -p /etc/rancher/k3s/
echo "mirrors:
docker.io:" > /etc/rancher/k3s/registries.yaml
SCRIPT
if role.include?("server") && role_num == 0
vm.provision "private-registry", type: "shell", inline: writePrivateRegistry
dockerInstall(vm)
vm.provision 'k3s-primary-server', type: 'k3s', run: 'once' do |k3s|
k3s.args = "server "
k3s.config = <<~YAML
token: vagrant
node-external-ip: #{NETWORK_PREFIX}.100
flannel-iface: eth1
cluster-init: true
embedded-registry: true
YAML
k3s.env = %W[K3S_KUBECONFIG_MODE=0644 #{install_type}]
k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
end
elsif role.include?("server") && role_num != 0
vm.provision "shell", inline: writePrivateRegistry
vm.provision 'k3s-secondary-server', type: 'k3s', run: 'once' do |k3s|
k3s.args = "server"
k3s.config = <<~YAML
server: "https://#{NETWORK_PREFIX}.100:6443"
token: vagrant
node-external-ip: #{node_ip}
flannel-iface: eth1
embedded-registry: true
YAML
k3s.env = %W[K3S_KUBECONFIG_MODE=0644 K3S_TOKEN=vagrant #{install_type}]
k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
end
end
if role.include?("agent")
vm.provision "shell", inline: writePrivateRegistry
vm.provision 'k3s-agent', type: 'k3s', run: 'once' do |k3s|
k3s.args = "agent"
k3s.config = <<~YAML
server: "https://#{NETWORK_PREFIX}.100:6443"
token: vagrant
node-external-ip: #{node_ip}
flannel-iface: eth1
disable-default-registry-endpoint: true
YAML
k3s.env = %W[K3S_KUBECONFIG_MODE=0644 #{install_type}]
k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
end
end
if vm.box.to_s.include?("microos")
vm.provision 'k3s-reload', type: 'reload', run: 'once'
end
end
Vagrant.configure("2") do |config|
config.vagrant.plugins = ["vagrant-k3s", "vagrant-reload"]
# Default provider is libvirt, virtualbox is only provided as a backup
config.vm.provider "libvirt" do |v|
v.cpus = NODE_CPUS
v.memory = NODE_MEMORY
end
config.vm.provider "virtualbox" 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]
role_num = name.split("-", -1).pop.to_i
config.vm.define name do |node|
provision(node.vm, name, role_num, i)
end
end
end

156
tests/e2e/embeddedmirror/embeddedmirror_test.go
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package embeddedmirror
import (
"flag"
"fmt"
"os"
"strings"
"testing"
"github.com/k3s-io/k3s/tests/e2e"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
// Valid nodeOS:
// generic/ubuntu2004, generic/centos7, generic/rocky8,
// 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")
var local = flag.Bool("local", false, "deploy a locally built K3s binary")
// Environment Variables Info:
// E2E_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master)
// E2E_REGISTRY: true/false (default: false)
func Test_E2EPrivateRegistry(t *testing.T) {
RegisterFailHandler(Fail)
flag.Parse()
suiteConfig, reporterConfig := GinkgoConfiguration()
RunSpecs(t, "Create Cluster Test Suite", suiteConfig, reporterConfig)
}
var (
kubeConfigFile string
serverNodeNames []string
agentNodeNames []string
)
var _ = ReportAfterEach(e2e.GenReport)
var _ = Describe("Verify Create", Ordered, func() {
Context("Cluster :", func() {
It("Starts up with no issues", func() {
var err error
if *local {
serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, *agentCount)
} else {
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 and Pod Status", func() {
fmt.Printf("\nFetching node status\n")
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())
_, _ = e2e.ParseNodes(kubeConfigFile, true)
fmt.Printf("\nFetching Pods status\n")
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)
}
}
}, "620s", "5s").Should(Succeed())
_, _ = e2e.ParsePods(kubeConfigFile, true)
})
It("Should create and validate deployment with embedded registry mirror using image tag", func() {
res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-1 --image=docker.io/library/nginx:1.25.3", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
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)
res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-1 --watch=true --timeout=360s", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
})
It("Should create and validate deployment with embedded registry mirror using image digest for existing tag", func() {
res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-2 --image=docker.io/library/nginx:sha256:9784f7985f6fba493ba30fb68419f50484fee8faaf677216cb95826f8491d2e9", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
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)
res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-2 --watch=true --timeout=360s", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
})
It("Should create and validate deployment with embedded registry mirror using image digest without corresponding tag", func() {
res, err := e2e.RunCmdOnNode("kubectl create deployment my-webpage-3 --image=docker.io/library/nginx:sha256:b4af4f8b6470febf45dc10f564551af682a802eda1743055a7dfc8332dffa595", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
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)
res, err = e2e.RunCmdOnNode(patchCmd, serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
res, err = e2e.RunCmdOnNode("kubectl rollout status deployment my-webpage-3 --watch=true --timeout=360s", serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
})
It("Should expose embedded registry metrics", func() {
grepCmd := fmt.Sprintf("kubectl get --raw /api/v1/nodes/%s/proxy/metrics | grep -F 'spegel_advertised_images{registry=\"docker.io\"}'", serverNodeNames[0])
res, err := e2e.RunCmdOnNode(grepCmd, serverNodeNames[0])
fmt.Println(res)
Expect(err).NotTo(HaveOccurred())
})
})
})
var failed bool
var _ = AfterEach(func() {
failed = failed || CurrentSpecReport().Failed()
})
var _ = AfterSuite(func() {
if failed && !*ci {
fmt.Println("FAILED!")
} else {
r2, err := e2e.RunCmdOnNode("kubectl delete deployment my-webpage-1 my-webpage-2 my-webpage-3", serverNodeNames[0])
Expect(err).NotTo(HaveOccurred(), r2)
Expect(err).NotTo(HaveOccurred())
Expect(e2e.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
Expect(e2e.DestroyCluster()).To(Succeed())
Expect(os.Remove(kubeConfigFile)).To(Succeed())
}
})
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