github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-30 23:15:14 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #46385 from rickypai/rpai/host_mapping_node_e2e_test

Browse Source 
Automatic merge from submit-queue (batch tested with PRs 43005, 46660, 46385, 46991, 47103)

add e2e node test for Pod hostAliases feature

**What this PR does / why we need it**: adds node e2e test for #45148 

tests requested in https://github.com/kubernetes/kubernetes/issues/43632#issuecomment-298434125

**Release note**:
```release-note
NONE
```

@yujuhong @thockin
This commit is contained in:
Kubernetes Submit Queue 2017-06-07 13:31:00 -07:00 committed by GitHub
commit 6ee028249b
1 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
test/e2e_node/kubelet_test.go
View File

@ -19,6 +19,7 @@ package e2e_node
import (
"bytes"
"fmt"
"strings"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -116,6 +117,51 @@ var _ = framework.KubeDescribe("Kubelet", func() {
Expect(err).To(BeNil(), fmt.Sprintf("Error deleting Pod %v", err))
})
})
Context("when scheduling a busybox Pod with hostAliases", func() {
podName := "busybox-host-aliases" + string(uuid.NewUUID())
It("it should write entries to /etc/hosts", func() {
podClient.CreateSync(&v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
},
Spec: v1.PodSpec{
// Don't restart the Pod since it is expected to exit
RestartPolicy: v1.RestartPolicyNever,
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/busybox:1.24",
Name: podName,
Command: []string{"/bin/sh", "-c", "cat /etc/hosts; sleep 6000"},
},
},
HostAliases: []v1.HostAlias{
{
IP: "123.45.67.89",
Hostnames: []string{"foo", "bar"},
},
},
},
})
Eventually(func() error {
rc, err := podClient.GetLogs(podName, &v1.PodLogOptions{}).Stream()
defer rc.Close()
if err != nil {
return err
}
buf := new(bytes.Buffer)
buf.ReadFrom(rc)
hostsFileContent := buf.String()
if !strings.Contains(hostsFileContent, "123.45.67.89\tfoo") || !strings.Contains(hostsFileContent, "123.45.67.89\tbar") {
return fmt.Errorf("expected hosts file to contain entries from HostAliases. Got:\n%+v", hostsFileContent)
}
return nil
}, time.Minute, time.Second*4).Should(BeNil())
})
})
Context("when scheduling a read only busybox container", func() {
podName := "busybox-readonly-fs" + string(uuid.NewUUID())
It("it should not write to root filesystem [Conformance]", func() {