Files
warewulf/internal/pkg/kernel/kernel_test.go
Jonathon Anderson facba28e0f Rename "preferred" kernel to "default" kernel
Signed-off-by: Jonathon Anderson <janderson@ciq.com>
2024-12-09 10:02:29 +01:00

246 lines
6.5 KiB
Go

package kernel
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/warewulf/warewulf/internal/pkg/node"
"github.com/warewulf/warewulf/internal/pkg/testenv"
)
func Test_FindKernel(t *testing.T) {
var tests = map[string]struct {
files []string
version string
path string
}{
"/boot/vmlinuz-* (1)": {
files: []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
version: "5.14.0-427.24.1",
path: "/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
},
"/boot/vmlinuz-* (2)": {
files: []string{
"/boot/vmlinuz-5.15.0-119-generic",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-6.15.0-119-generic",
},
version: "6.15.0-119",
path: "/boot/vmlinuz-6.15.0-119-generic",
},
"/boot/vmlinuz-* (3)": {
files: []string{
"/boot/vmlinuz-5.15.0-0-vanilla",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
},
version: "5.15.0-0",
path: "/boot/vmlinuz-5.15.0-0-vanilla",
},
"/boot/vmlinuz-* (4)": {
files: []string{
"/boot/vmlinuz-5.15.0-generic",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-5.13.0-427.24.1.el9_4.x86_64",
},
version: "5.15.0",
path: "/boot/vmlinuz-5.15.0-generic",
},
"/lib/modules/*/vmlinuz": {
files: []string{
"/lib/modules/5.14.0-427.18.1.el9_4.x86_64/vmlinuz",
"/lib/modules/5.14.0-427.24.1.el9_4.x86_64/vmlinuz",
},
version: "5.14.0-427.24.1",
path: "/lib/modules/5.14.0-427.24.1.el9_4.x86_64/vmlinuz",
},
"/boot/vmlinuz-*.gz": {
files: []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64.gz",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64.gz",
},
version: "5.14.0-427.24.1",
path: "/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64.gz",
},
"ignore rescue and debug kernels": {
files: []string{
"/boot/vmlinuz-0-rescue-eb46964329b146e39518c625feab3ea0",
"/boot/vmlinuz-5.14.0-362.24.1.el9_3.aarch64",
"/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64+debug",
"/boot/vmlinuz-5.14.0-284.30.1.el9_2.aarch64",
"/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64",
},
version: "5.14.0-427.31.1",
path: "/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64",
},
"no kernels": {
files: []string{},
version: "",
path: "",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
env := testenv.New(t)
defer env.RemoveAll(t)
rootfs := "/var/lib/warewulf/chroots/testcontainer/rootfs"
for _, file := range tt.files {
env.CreateFile(t, filepath.Join(rootfs, file))
}
kernels := FindKernels("testcontainer")
assert.Equal(t, len(tt.files), len(kernels))
kernel := kernels.Default()
if tt.version == "" && tt.path == "" {
assert.Nil(t, kernel)
} else {
assert.Equal(t, "testcontainer", kernel.ContainerName)
assert.Equal(t, tt.version, kernel.Version())
assert.Equal(t, tt.path, kernel.Path)
assert.Equal(t, env.GetPath(filepath.Join(rootfs, tt.path)), kernel.FullPath())
}
})
}
}
func Test_FromNode(t *testing.T) {
tests := map[string]struct {
files []string
version string
path string
}{
"default": {
files: []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
version: "",
path: "/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
},
"path": {
files: []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
version: "/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
path: "/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
"version": {
files: []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
version: "4.14.0-427.18.1",
path: "/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
"none": {
files: []string{},
version: "",
path: "",
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
env := testenv.New(t)
defer env.RemoveAll(t)
rootfs := "/var/lib/warewulf/chroots/testcontainer/rootfs"
for _, file := range tt.files {
env.CreateFile(t, filepath.Join(rootfs, file))
}
node := node.EmptyNode()
node.ContainerName = "testcontainer"
node.Kernel.Version = tt.version
kernel := FromNode(&node)
if tt.path == "" {
assert.Nil(t, kernel)
} else {
assert.Equal(t, "testcontainer", kernel.ContainerName)
assert.Equal(t, tt.path, kernel.Path)
}
})
}
}
func Test_FindAllKernels(t *testing.T) {
tests := map[string]struct {
files map[string][]string
count int
}{
"two containers": {
files: map[string][]string{
"container1": []string{
"/boot/vmlinuz-5.14.0-427.18.1.el9_4.x86_64",
"/boot/vmlinuz-5.14.0-427.24.1.el9_4.x86_64",
"/boot/vmlinuz-4.14.0-427.18.1.el8_4.x86_64",
},
"container2": []string{
"/boot/vmlinuz-0-rescue-eb46964329b146e39518c625feab3ea0",
"/boot/vmlinuz-5.14.0-362.24.1.el9_3.aarch64",
"/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64+debug",
"/boot/vmlinuz-5.14.0-284.30.1.el9_2.aarch64",
"/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64",
},
},
count: 8,
},
"empty": {
files: map[string][]string{},
count: 0,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
env := testenv.New(t)
defer env.RemoveAll(t)
for container, files := range tt.files {
rootfs := filepath.Join(filepath.Join("/var/lib/warewulf/chroots", container), "rootfs")
for _, file := range files {
env.CreateFile(t, filepath.Join(rootfs, file))
}
}
kernels := FindAllKernels()
assert.Equal(t, tt.count, len(kernels))
})
}
}
func Test_IsDebugOrRescue(t *testing.T) {
tests := map[string]struct {
path string
debug bool
rescue bool
}{
"default": {
path: "/boot/vmlinuz-1.0.0",
debug: false,
rescue: false,
},
"debug": {
path: "/boot/vmlinuz-5.14.0-427.31.1.el9_4.aarch64+debug",
debug: true,
rescue: false,
},
"rescue": {
path: "/boot/vmlinuz-0-rescue-eb46964329b146e39518c625feab3ea0",
debug: false,
rescue: true,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
kernel := &Kernel{ContainerName: "", Path: tt.path}
assert.Equal(t, tt.debug, kernel.IsDebug())
assert.Equal(t, tt.rescue, kernel.IsRescue())
})
}
}