k3s/tests/docker/basics/basics_test.go

122 lines
3.6 KiB
Go

package main
import (
"flag"
"fmt"
"os"
"strings"
"testing"
tester "github.com/k3s-io/k3s/tests/docker"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var k3sImage = flag.String("k3sImage", "", "The k3s image used to provision containers")
var config *tester.TestConfig
func Test_DockerBasic(t *testing.T) {
flag.Parse()
RegisterFailHandler(Fail)
RunSpecs(t, "Basic Docker Test Suite")
}
var _ = Describe("Basic Tests", 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(1)).To(Succeed())
Expect(config.ProvisionAgents(1)).To(Succeed())
Eventually(func() error {
return tester.DeploymentsReady([]string{"coredns", "local-path-provisioner", "metrics-server", "traefik"}, config.KubeconfigFile)
}, "60s", "5s").Should(Succeed())
Eventually(func() error {
return tester.NodesReady(config.KubeconfigFile)
}, "40s", "5s").Should(Succeed())
})
})
Context("Use Local Storage Volume", func() {
It("should apply local storage volume", func() {
const volumeTestManifest = "../resources/volume-test.yaml"
// Apply the manifest
cmd := fmt.Sprintf("kubectl apply -f %s --kubeconfig=%s", volumeTestManifest, config.KubeconfigFile)
_, err := tester.RunCommand(cmd)
Expect(err).NotTo(HaveOccurred(), "failed to apply volume test manifest")
})
It("should validate local storage volume", func() {
Eventually(func() (bool, error) {
return tester.PodReady("volume-test", "kube-system", config.KubeconfigFile)
}, "20s", "5s").Should(BeTrue())
})
})
Context("Verify Binaries and Images", func() {
It("has valid bundled binaries", func() {
for _, server := range config.Servers {
Expect(tester.VerifyValidVersion(server.Name, "kubectl")).To(Succeed())
Expect(tester.VerifyValidVersion(server.Name, "ctr")).To(Succeed())
Expect(tester.VerifyValidVersion(server.Name, "crictl")).To(Succeed())
}
})
It("has valid airgap images", func() {
Expect(config).To(Not(BeNil()))
err := VerifyAirgapImages(config)
Expect(err).NotTo(HaveOccurred())
})
})
})
var failed bool
var _ = AfterEach(func() {
failed = failed || CurrentSpecReport().Failed()
})
var _ = AfterSuite(func() {
if config != nil && !failed {
config.Cleanup()
}
})
// VerifyAirgapImages checks for changes in the airgap image list
func VerifyAirgapImages(config *tester.TestConfig) error {
// This file is generated during the build packaging step
const airgapImageList = "../../../scripts/airgap/image-list.txt"
// Use a map to automatically handle duplicates
imageSet := make(map[string]struct{})
// Collect all images from nodes
for _, node := range config.GetNodeNames() {
cmd := fmt.Sprintf("docker exec %s crictl images -o json | jq -r '.images[].repoTags[0] | select(. != null)'", node)
output, err := tester.RunCommand(cmd)
Expect(err).NotTo(HaveOccurred(), "failed to execute crictl and jq: %v", err)
for _, line := range strings.Split(strings.TrimSpace(string(output)), "\n") {
if line != "" {
imageSet[line] = struct{}{}
}
}
}
// Convert map keys to slice
uniqueImages := make([]string, 0, len(imageSet))
for image := range imageSet {
uniqueImages = append(uniqueImages, image)
}
existing, err := os.ReadFile(airgapImageList)
if err != nil && !os.IsNotExist(err) {
return fmt.Errorf("failed to read airgap list file: %v", err)
}
// Sorting doesn't matter with ConsistOf
existingImages := strings.Split(strings.TrimSpace(string(existing)), "\n")
Expect(existingImages).To(ConsistOf(uniqueImages))
return nil
}