mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
Add snapshot restore e2e test (#6396)
* Add snapshot and restore test Signed-off-by: Shylaja Devadiga <shylaja@rancher.com>
This commit is contained in:
ShylajaDevadiga
GitHub
parent
3aae7b8783
commit
d5ffc4b1d1
125
tests/e2e/snapshotrestore/Vagrantfile
vendored
Normal file
125
tests/e2e/snapshotrestore/Vagrantfile
vendored
Normal file
|
|
@ -0,0 +1,125 @@
|
|||
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'] || "")
|
||||
EXTERNAL_DB = (ENV['E2E_EXTERNAL_DB'] || "etcd")
|
||||
NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i
|
||||
NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 1024).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)
|
||||
install_type = getInstallType(vm, RELEASE_VERSION, GITHUB_BRANCH)
|
||||
|
||||
vm.provision "shell", inline: "ping -c 2 k3s.io"
|
||||
|
||||
db_type = getDBType(role, role_num, vm)
|
||||
|
||||
if role.include?("server") && role_num == 0
|
||||
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
|
||||
tls-san: #{NETWORK_PREFIX}.100.nip.io
|
||||
#{db_type}
|
||||
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 '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
|
||||
#{db_type}
|
||||
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 '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
|
||||
#{db_type}
|
||||
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'
|
||||
if !EXTERNAL_DB.empty?
|
||||
vm.provision "shell", inline: "docker start #{EXTERNAL_DB}"
|
||||
end
|
||||
end
|
||||
# This step does not run by default and is designed to be called by higher level tools
|
||||
end
|
||||
|
||||
def getDBType(role, role_num, vm)
|
||||
if ( EXTERNAL_DB == "" || EXTERNAL_DB == "etcd" )
|
||||
if role.include?("server") && role_num == 0
|
||||
return "cluster-init: true"
|
||||
end
|
||||
else
|
||||
puts "Unknown EXTERNAL_DB: " + EXTERNAL_DB
|
||||
abort
|
||||
end
|
||||
return ""
|
||||
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
|
||||
189
tests/e2e/snapshotrestore/snapshotrestore_test.go
Normal file
189
tests/e2e/snapshotrestore/snapshotrestore_test.go
Normal file
|
|
@ -0,0 +1,189 @@
|
|||
package snapshotrestore
|
||||
|
||||
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, dweomer/microos.amd64
|
||||
|
||||
var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system")
|
||||
var serverCount = flag.Int("serverCount", 3, "number of server nodes")
|
||||
var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
|
||||
var hardened = flag.Bool("hardened", false, "true or false")
|
||||
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_EXTERNAL_DB: mysql, postgres, etcd (default: etcd)
|
||||
// E2E_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master)
|
||||
|
||||
func Test_E2ESnapshotRestore(t *testing.T) {
|
||||
RegisterFailHandler(Fail)
|
||||
flag.Parse()
|
||||
RunSpecs(t, "SnapshotRestore Test Suite")
|
||||
}
|
||||
|
||||
var (
|
||||
kubeConfigFile string
|
||||
serverNodeNames []string
|
||||
agentNodeNames []string
|
||||
snapshotname string
|
||||
)
|
||||
|
||||
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"))
|
||||
}
|
||||
}, "420s", "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("Verifies test workload before snapshot is created", func() {
|
||||
res, err := e2e.DeployWorkload("clusterip.yaml", kubeConfigFile, *hardened)
|
||||
Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed: "+res)
|
||||
|
||||
Eventually(func(g Gomega) {
|
||||
cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-clusterip --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile
|
||||
res, err := e2e.RunCommand(cmd)
|
||||
g.Expect(err).NotTo(HaveOccurred())
|
||||
g.Expect(res).Should((ContainSubstring("test-clusterip")), "failed cmd: "+cmd+" result: "+res)
|
||||
}, "240s", "5s").Should(Succeed())
|
||||
})
|
||||
|
||||
It("Verifies Snapshot is created", func() {
|
||||
Eventually(func(g Gomega) {
|
||||
cmd := "sudo k3s etcd-snapshot"
|
||||
_, err := e2e.RunCmdOnNode(cmd, "server-0")
|
||||
g.Expect(err).NotTo(HaveOccurred())
|
||||
cmd = "sudo ls /var/lib/rancher/k3s/server/db/snapshots/"
|
||||
snapshotname, err = e2e.RunCmdOnNode(cmd, "server-0")
|
||||
fmt.Println("Snapshot Name", snapshotname)
|
||||
g.Expect(snapshotname).Should(ContainSubstring("on-demand-server-0"))
|
||||
}, "420s", "10s").Should(Succeed())
|
||||
})
|
||||
|
||||
It("Verifies another test workload after snapshot is created", func() {
|
||||
_, err := e2e.DeployWorkload("nodeport.yaml", kubeConfigFile, *hardened)
|
||||
Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed")
|
||||
Eventually(func(g Gomega) {
|
||||
cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile
|
||||
res, err := e2e.RunCommand(cmd)
|
||||
g.Expect(err).NotTo(HaveOccurred())
|
||||
g.Expect(res).Should(ContainSubstring("test-nodeport"), "nodeport pod was not created")
|
||||
}, "240s", "5s").Should(Succeed())
|
||||
})
|
||||
|
||||
It("Verifies snapshot is restored successfully and validates only test workload1 is present", func() {
|
||||
//Stop k3s on all nodes
|
||||
for _, nodeName := range serverNodeNames {
|
||||
cmd := "sudo systemctl stop k3s"
|
||||
_, err := e2e.RunCmdOnNode(cmd, nodeName)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
}
|
||||
//Restores from snapshot on server-0
|
||||
for _, nodeName := range serverNodeNames {
|
||||
if nodeName == "server-0" {
|
||||
cmd := "sudo k3s server --cluster-init --cluster-reset --cluster-reset-restore-path=/var/lib/rancher/k3s/server/db/snapshots/" + snapshotname
|
||||
res, err := e2e.RunCmdOnNode(cmd, nodeName)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(res).Should(ContainSubstring("Managed etcd cluster membership has been reset, restart without --cluster-reset flag now"))
|
||||
|
||||
cmd = "sudo systemctl start k3s"
|
||||
_, err = e2e.RunCmdOnNode(cmd, nodeName)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
}
|
||||
}
|
||||
//Verifies node is up and pods running
|
||||
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"))
|
||||
}
|
||||
}, "420s", "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)
|
||||
//Verifies test workload1 is present
|
||||
//Verifies test workload2 is not present
|
||||
cmd := "kubectl get pods --kubeconfig=" + kubeConfigFile
|
||||
res, err := e2e.RunCommand(cmd)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(res).Should(ContainSubstring("test-clusterip"))
|
||||
Expect(res).ShouldNot(ContainSubstring("test-nodeport"))
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
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())
|
||||
}
|
||||
})
|
||||
Loading…
Reference in New Issue
Block a user