143 lines
3.1 KiB
Go
143 lines
3.1 KiB
Go
package server
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/opencontainers/image-spec/specs-go/v1"
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pb "k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
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)
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const (
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defaultDNSPath = "/etc/resolv.conf"
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testDNSPath = "fixtures/resolv_test.conf"
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dnsPath = "fixtures/resolv.conf"
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)
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func TestParseDNSOptions(t *testing.T) {
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testCases := []struct {
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Servers, Searches, Options []string
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Path string
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Want string
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}{
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{
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[]string{},
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[]string{},
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[]string{},
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testDNSPath, defaultDNSPath,
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},
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{
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[]string{"cri-o.io", "github.com"},
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[]string{"192.30.253.113", "192.30.252.153"},
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[]string{"timeout:5", "attempts:3"},
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testDNSPath, dnsPath,
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},
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}
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for _, c := range testCases {
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if err := parseDNSOptions(c.Servers, c.Searches,
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c.Options, c.Path); err != nil {
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t.Error(err)
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}
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expect, _ := ioutil.ReadFile(c.Want)
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result, _ := ioutil.ReadFile(c.Path)
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if string(expect) != string(result) {
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t.Errorf("expect %v: \n but got : %v", string(expect), string(result))
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}
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os.Remove(c.Path)
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}
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}
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func TestSysctlsFromPodAnnotations(t *testing.T) {
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testCases := []struct {
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Annotations map[string]string
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SafeSysctls []Sysctl
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UnsafeSysctls []Sysctl
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}{
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{
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map[string]string{
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"foo-": "bar",
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SysctlsPodAnnotationKey: "kernel.shmmax=100000000,safe=20000000",
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},
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[]Sysctl{
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{"kernel.shmmax", "100000000"},
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{"safe", "20000000"},
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},
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[]Sysctl{},
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},
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{
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map[string]string{
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UnsafeSysctlsPodAnnotationKey: "kernel.shmmax=10,unsafe=20",
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},
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[]Sysctl{},
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[]Sysctl{
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{"kernel.shmmax", "10"},
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{"unsafe", "20"},
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},
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},
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{
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map[string]string{
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"bar..": "42",
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SysctlsPodAnnotationKey: "kernel.shmmax=20000000,safe=40000000",
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UnsafeSysctlsPodAnnotationKey: "kernel.shmmax=10,unsafe=20",
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},
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[]Sysctl{
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{"kernel.shmmax", "20000000"},
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{"safe", "40000000"},
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},
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[]Sysctl{
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{"kernel.shmmax", "10"},
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{"unsafe", "20"},
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},
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},
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}
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for _, c := range testCases {
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safe, unsafe, err := SysctlsFromPodAnnotations(c.Annotations)
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if err != nil {
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t.Error(err)
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}
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for index, sysctl := range safe {
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if sysctl.Name != safe[index].Name || sysctl.Value != safe[index].Value {
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t.Errorf("Expect safe: %v, but got: %v\n", safe[index], sysctl)
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}
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}
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for index, sysctl := range unsafe {
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if sysctl.Name != unsafe[index].Name || sysctl.Value != unsafe[index].Value {
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t.Errorf("Expect unsafe: %v, but got: %v\n", safe[index], sysctl)
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}
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}
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}
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}
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func TestMergeEnvs(t *testing.T) {
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configImage := &v1.Image{
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Config: v1.ImageConfig{
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Env: []string{"VAR1=1", "VAR2=2"},
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},
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}
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configKube := []*pb.KeyValue{
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{
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Key: "VAR2",
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Value: "3",
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},
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{
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Key: "VAR3",
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Value: "3",
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},
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}
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mergedEnvs := mergeEnvs(configImage, configKube)
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if len(mergedEnvs) != 3 {
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t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(mergedEnvs))
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}
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for _, env := range mergedEnvs {
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if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
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t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
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}
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}
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}
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