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Convert snapshotrestore from E2E to Docker test

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Signed-off-by: Derek Nola <derek.nola@suse.com>
This commit is contained in:
Derek Nola 2025-01-21 10:13:59 -08:00
parent 57361c9ae3
commit 031c11d369
4 changed files with 213 additions and 425 deletions
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5
.github/workflows/e2e.yaml vendored
View file

@ -193,7 +193,7 @@ jobs:
strategy:
fail-fast: false
matrix:
dtest: [basics, bootstraptoken, cacerts, etcd, lazypull, skew, upgrade]
dtest: [basics, bootstraptoken, cacerts, etcd, lazypull, skew, snapshotrestore, upgrade]
env:
BRANCH_NAME: ${{ needs.build-go-tests.outputs.branch_name }}
steps:
@ -206,6 +206,7 @@ jobs:
path: ./dist/artifacts
- name: Load and set K3s image
run: |
chmod +x ./dist/artifacts/k3s
docker image load -i ./dist/artifacts/k3s-image.tar
IMAGE_TAG=$(docker image ls --format '{{.Repository}}:{{.Tag}}' | grep 'rancher/k3s')
echo "K3S_IMAGE=$IMAGE_TAG" >> $GITHUB_ENV
@ -222,6 +223,8 @@ jobs:
cd ./tests/docker/${{ matrix.dtest }}
if [ ${{ matrix.dtest }} = "upgrade" ] || [ ${{ matrix.dtest }} = "skew" ]; then
./${{ matrix.dtest }}.test -k3sImage=$K3S_IMAGE -branch=$BRANCH_NAME
elif [ ${{ matrix.dtest }} = "snapshotrestore" ]; then
./${{ matrix.dtest }}.test -ci
else
./${{ matrix.dtest }}.test -k3sImage=$K3S_IMAGE
fi

209
tests/docker/snapshotrestore/snapshotrestore_test.go Normal file
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@ -0,0 +1,209 @@
package snapshotrestore
import (
"flag"
"fmt"
"strings"
"testing"
tester "github.com/k3s-io/k3s/tests/docker"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"k8s.io/utils/set"
)
var k3sImage = flag.String("k3sImage", "rancher/systemd-node", "The image used to provision containers")
var serverCount = flag.Int("serverCount", 3, "number of server nodes")
var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
var ci = flag.Bool("ci", false, "running on CI")
var config *tester.TestConfig
var snapshotname string
func Test_DockerSnapshotRestore(t *testing.T) {
RegisterFailHandler(Fail)
flag.Parse()
suiteConfig, reporterConfig := GinkgoConfiguration()
RunSpecs(t, "SnapshotRestore Test Suite", suiteConfig, reporterConfig)
}
var _ = Describe("Verify snapshots and cluster restores work", Ordered, func() {
Context("Setup Cluster", func() {
It("should provision servers and agents", func() {
var err error
config, err = tester.NewTestConfig(*k3sImage)
Expect(err).NotTo(HaveOccurred())
Expect(config.ProvisionServers(*serverCount)).To(Succeed())
Expect(config.ProvisionAgents(*agentCount)).To(Succeed())
Eventually(func() error {
return tester.CheckDefaultDeployments(config.KubeconfigFile)
}, "60s", "5s").Should(Succeed())
Eventually(func() error {
return tester.NodesReady(config.KubeconfigFile, config.GetNodeNames())
}, "40s", "5s").Should(Succeed())
})
})
Context("Cluster creates snapshots and workloads:", func() {
It("Verifies test workload before snapshot is created", func() {
res, err := config.DeployWorkload("clusterip.yaml")
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=" + config.KubeconfigFile
res, err := tester.RunCommand(cmd)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(res).Should((ContainSubstring("test-clusterip")), "failed cmd: %q result: %s", cmd, res)
}, "240s", "5s").Should(Succeed())
})
It("Verifies Snapshot is created", func() {
Eventually(func(g Gomega) {
_, err := config.Servers[0].RunCmdOnNode("k3s etcd-snapshot save")
g.Expect(err).NotTo(HaveOccurred())
cmd := "ls /var/lib/rancher/k3s/server/db/snapshots/"
snapshotname, err = config.Servers[0].RunCmdOnNode(cmd)
g.Expect(err).NotTo(HaveOccurred())
fmt.Println("Snapshot Name", snapshotname)
g.Expect(snapshotname).Should(ContainSubstring("on-demand-server-0"))
}, "240s", "10s").Should(Succeed())
})
It("Verifies another test workload after snapshot is created", func() {
res, err := config.DeployWorkload("nodeport.yaml")
Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed: "+res)
Eventually(func(g Gomega) {
cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + config.KubeconfigFile
res, err := tester.RunCommand(cmd)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(res).Should(ContainSubstring("test-nodeport"), "nodeport pod was not created")
}, "240s", "5s").Should(Succeed())
})
})
Context("Cluster restores from snapshot", func() {
It("Restores the snapshot", func() {
//Stop k3s on all servers
for _, server := range config.Servers {
cmd := "systemctl stop k3s"
Expect(server.RunCmdOnNode(cmd)).Error().NotTo(HaveOccurred())
if server != config.Servers[0] {
cmd = "k3s-killall.sh"
Expect(server.RunCmdOnNode(cmd)).Error().NotTo(HaveOccurred())
}
}
//Restores from snapshot on server-0
cmd := "k3s server --cluster-init --cluster-reset --cluster-reset-restore-path=/var/lib/rancher/k3s/server/db/snapshots/" + snapshotname
res, err := config.Servers[0].RunCmdOnNode(cmd)
Expect(err).NotTo(HaveOccurred())
Expect(res).Should(ContainSubstring("Managed etcd cluster membership has been reset, restart without --cluster-reset flag now"))
cmd = "systemctl start k3s"
Expect(config.Servers[0].RunCmdOnNode(cmd)).Error().NotTo(HaveOccurred())
})
It("Checks that other servers are not ready", func() {
By("Fetching node status")
var readyNodeNames []string
var notReadyNodeNames []string
Eventually(func(g Gomega) {
readyNodeNames = []string{config.Servers[0].Name}
for _, agent := range config.Agents {
readyNodeNames = append(readyNodeNames, agent.Name)
}
for _, server := range config.Servers[1:] {
notReadyNodeNames = append(notReadyNodeNames, server.Name)
}
g.Expect(CheckNodeStatus(config.KubeconfigFile, readyNodeNames, notReadyNodeNames)).To(Succeed())
}, "240s", "5s").Should(Succeed())
})
It("Rejoins other servers to cluster", func() {
// We must remove the db directory on the other servers before restarting k3s
// otherwise the nodes may join the old cluster
for _, server := range config.Servers[1:] {
cmd := "rm -rf /var/lib/rancher/k3s/server/db"
Expect(server.RunCmdOnNode(cmd)).Error().NotTo(HaveOccurred())
}
for _, server := range config.Servers[1:] {
cmd := "systemctl start k3s"
Expect(server.RunCmdOnNode(cmd)).Error().NotTo(HaveOccurred())
}
})
It("Checks that all nodes and pods are ready", func() {
By("Fetching node status")
Eventually(func() error {
return tester.NodesReady(config.KubeconfigFile, config.GetNodeNames())
}, "60s", "5s").Should(Succeed())
By("Fetching Pods status")
Eventually(func(g Gomega) {
pods, err := tester.ParsePods(config.KubeconfigFile)
g.Expect(err).NotTo(HaveOccurred())
for _, pod := range pods {
if strings.Contains(pod.Name, "helm-install") {
g.Expect(string(pod.Status.Phase)).Should(Equal("Succeeded"), pod.Name)
} else {
g.Expect(string(pod.Status.Phase)).Should(Equal("Running"), pod.Name)
}
}
}, "120s", "5s").Should(Succeed())
})
It("Verifies that workload1 exists and workload2 does not", func() {
cmd := "kubectl get pods --kubeconfig=" + config.KubeconfigFile
res, err := tester.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 *ci || (config != nil && !failed) {
Expect(config.Cleanup()).To(Succeed())
}
})
// Checks if nodes match the expected status
// We use kubectl directly, because getting a NotReady node status from the API is not easy
func CheckNodeStatus(kubeconfigFile string, readyNodes, notReadyNodes []string) error {
readyNodesSet := set.New(readyNodes...)
notReadyNodesSet := set.New(notReadyNodes...)
foundReadyNodes := make(set.Set[string], 0)
foundNotReadyNodes := make(set.Set[string], 0)
cmd := "kubectl get nodes --no-headers --kubeconfig=" + kubeconfigFile
res, err := tester.RunCommand(cmd)
if err != nil {
return err
}
// extract the node status from the 2nd column of kubectl output
for _, line := range strings.Split(res, "\n") {
if strings.Contains(line, "k3s-test") {
// Line for some reason needs to be split twice
split := strings.Fields(line)
status := strings.TrimSpace(split[1])
if status == "NotReady" {
foundNotReadyNodes.Insert(split[0])
} else if status == "Ready" {
foundReadyNodes.Insert(split[0])
}
}
}
if !foundReadyNodes.Equal(readyNodesSet) {
return fmt.Errorf("expected ready nodes %v, found %v", readyNodesSet, foundReadyNodes)
}
if !foundNotReadyNodes.Equal(notReadyNodesSet) {
return fmt.Errorf("expected not ready nodes %v, found %v", notReadyNodesSet, foundNotReadyNodes)
}
return nil
}

106
tests/e2e/snapshotrestore/Vagrantfile vendored
View file

@ -1,106 +0,0 @@
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'] ||
['bento/ubuntu-24.04', 'bento/ubuntu-24.04', 'bento/ubuntu-24.04', 'bento/ubuntu-24.04', 'bento/ubuntu-24.04'])
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.exist?("./scripts") ? "./scripts" : "../scripts"
vagrant_defaults = File.exist?("./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"
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
cluster-init: true
node-external-ip: #{NETWORK_PREFIX}.100
flannel-iface: eth1
tls-san: #{NETWORK_PREFIX}.100.nip.io
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
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
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
# This step does not run by default and is designed to be called by higher level tools
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
# We replicate the default prefix, but add a timestamp to enable parallel runs and cleanup of old VMs
v.default_prefix = File.basename(Dir.getwd) + "_" + Time.now.to_i.to_s + "_"
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
NODE_ROLES.each_with_index do |role, i|
role_num = role.split("-", -1).pop.to_i
config.vm.define role do |node|
provision(node.vm, role, role_num, i)
end
end
end

318
tests/e2e/snapshotrestore/snapshotrestore_test.go
View file

@ -1,318 +0,0 @@
package snapshotrestore
import (
"flag"
"fmt"
"os"
"strings"
"testing"
"time"
"github.com/k3s-io/k3s/tests/e2e"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
// Valid nodeOS:
// bento/ubuntu-24.04, opensuse/Leap-15.6.x86_64
// eurolinux-vagrant/rocky-8, eurolinux-vagrant/rocky-9,
var nodeOS = flag.String("nodeOS", "bento/ubuntu-24.04", "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_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master)
func Test_E2ESnapshotRestore(t *testing.T) {
RegisterFailHandler(Fail)
flag.Parse()
suiteConfig, reporterConfig := GinkgoConfiguration()
RunSpecs(t, "SnapshotRestore Test Suite", suiteConfig, reporterConfig)
}
var (
kubeConfigFile string
serverNodeNames []string
agentNodeNames []string
snapshotname string
)
var _ = ReportAfterEach(e2e.GenReport)
var _ = Describe("Verify snapshots and cluster restores work", Ordered, func() {
Context("Cluster creates snapshots and workloads:", 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("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: %q result: %s", cmd, res)
}, "240s", "5s").Should(Succeed())
})
It("Verifies Snapshot is created", func() {
Eventually(func(g Gomega) {
cmd := "k3s etcd-snapshot save"
_, err := e2e.RunCmdOnNode(cmd, "server-0")
g.Expect(err).NotTo(HaveOccurred())
cmd = "ls /var/lib/rancher/k3s/server/db/snapshots/"
snapshotname, err = e2e.RunCmdOnNode(cmd, "server-0")
g.Expect(err).NotTo(HaveOccurred())
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())
})
})
Context("Cluster is reset normally", func() {
It("Resets the cluster", func() {
for _, nodeName := range serverNodeNames {
cmd := "systemctl stop k3s"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
if nodeName != serverNodeNames[0] {
cmd = "k3s-killall.sh"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
}
}
cmd := "k3s server --cluster-reset"
res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Expect(res).Should(ContainSubstring("Managed etcd cluster membership has been reset, restart without --cluster-reset flag now"))
cmd = "systemctl start k3s"
Expect(e2e.RunCmdOnNode(cmd, serverNodeNames[0])).Error().NotTo(HaveOccurred())
})
It("Checks that other servers are not ready", 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 {
if strings.Contains(node.Name, serverNodeNames[0]) || strings.Contains(node.Name, "agent-") {
g.Expect(node.Status).Should(Equal("Ready"))
} else {
g.Expect(node.Status).Should(Equal("NotReady"))
}
}
}, "240s", "5s").Should(Succeed())
_, _ = e2e.ParseNodes(kubeConfigFile, true)
})
It("Rejoins other servers to cluster", func() {
// We must remove the db directory on the other servers before restarting k3s
// otherwise the nodes may join the old cluster
for _, nodeName := range serverNodeNames[1:] {
cmd := "rm -rf /var/lib/rancher/k3s/server/db"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
}
for _, nodeName := range serverNodeNames[1:] {
cmd := "systemctl start k3s"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
time.Sleep(20 * time.Second) //Stagger the restarts for etcd leaners
}
})
It("Checks that all nodes and pods are ready", func() {
Eventually(func(g Gomega) {
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
g.Expect(err).NotTo(HaveOccurred())
for _, node := range nodes {
nodeJournal, _ := e2e.GetJournalLogs(node.Name)
g.Expect(node.Status).Should(Equal("Ready"), nodeJournal)
}
}, "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)
}
}
}, "420s", "5s").Should(Succeed())
})
It("Verifies that workload1 and workload1 exist", func() {
cmd := "kubectl get pods --kubeconfig=" + kubeConfigFile
res, err := e2e.RunCommand(cmd)
Expect(err).NotTo(HaveOccurred())
Expect(res).Should(ContainSubstring("test-clusterip"))
Expect(res).Should(ContainSubstring("test-nodeport"))
})
})
Context("Cluster restores from snapshot", func() {
It("Restores the snapshot", func() {
//Stop k3s on all nodes
for _, nodeName := range serverNodeNames {
cmd := "systemctl stop k3s"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
if nodeName != serverNodeNames[0] {
cmd = "k3s-killall.sh"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
}
}
//Restores from snapshot on server-0
cmd := "k3s server --cluster-init --cluster-reset --cluster-reset-restore-path=/var/lib/rancher/k3s/server/db/snapshots/" + snapshotname
res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Expect(res).Should(ContainSubstring("Managed etcd cluster membership has been reset, restart without --cluster-reset flag now"))
cmd = "systemctl start k3s"
Expect(e2e.RunCmdOnNode(cmd, serverNodeNames[0])).Error().NotTo(HaveOccurred())
})
It("Checks that other servers are not ready", 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 {
if strings.Contains(node.Name, serverNodeNames[0]) || strings.Contains(node.Name, "agent-") {
g.Expect(node.Status).Should(Equal("Ready"))
} else {
g.Expect(node.Status).Should(Equal("NotReady"))
}
}
}, "240s", "5s").Should(Succeed())
_, _ = e2e.ParseNodes(kubeConfigFile, true)
})
It("Rejoins other servers to cluster", func() {
// We must remove the db directory on the other servers before restarting k3s
// otherwise the nodes may join the old cluster
for _, nodeName := range serverNodeNames[1:] {
cmd := "rm -rf /var/lib/rancher/k3s/server/db"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
}
for _, nodeName := range serverNodeNames[1:] {
cmd := "systemctl start k3s"
Expect(e2e.RunCmdOnNode(cmd, nodeName)).Error().NotTo(HaveOccurred())
}
})
It("Checks that all nodes and pods are ready", func() {
//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)
})
It("Verifies that workload1 exists and workload2 does not", func() {
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 {
AddReportEntry("journald-logs", e2e.TailJournalLogs(1000, append(serverNodeNames, agentNodeNames...)))
} else {
Expect(e2e.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
}
if !failed || *ci {
Expect(e2e.DestroyCluster()).To(Succeed())
Expect(os.Remove(kubeConfigFile)).To(Succeed())
}
})