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// +build !remoteclient
package integration
import (
"os"
"path/filepath"
"text/template"
. "github.com/containers/libpod/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var yamlTemplate = `
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: "2019-07-17T14:44:08Z"
labels:
app: {{ .Name }}
name: {{ .Name }}
spec:
hostname: {{ .Hostname }}
containers:
{{ with .Containers }}
{{ range . }}
- command:
{{ range .Cmd }}
- {{.}}
{{ end }}
env:
- name: PATH
value: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
- name: TERM
value: xterm
- name: HOSTNAME
- name: container
value: podman
image: {{ .Image }}
name: {{ .Name }}
resources: {}
{{ if .SecurityContext }}
securityContext:
allowPrivilegeEscalation: true
{{ if .Caps }}
capabilities:
{{ with .CapAdd }}
add:
{{ range . }}
- {{.}}
{{ end }}
{{ end }}
{{ with .CapDrop }}
drop:
{{ range . }}
- {{.}}
{{ end }}
{{ end }}
{{ end }}
privileged: false
readOnlyRootFilesystem: false
workingDir: /
{{ end }}
{{ end }}
{{ end }}
status: {}
`
type Pod struct {
Name string
Hostname string
Containers []Container
}
type Container struct {
Cmd []string
Image string
Name string
SecurityContext bool
Caps bool
CapAdd []string
CapDrop []string
}
func generateKubeYaml(name string, hostname string, ctrs []Container, fileName string) error {
f, err := os.Create(fileName)
if err != nil {
return err
}
defer f.Close()
testPod := Pod{name, hostname, ctrs}
t, err := template.New("pod").Parse(yamlTemplate)
if err != nil {
return err
}
if err := t.Execute(f, testPod); err != nil {
return err
}
return nil
}
var _ = Describe("Podman generate kube", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman play kube test correct command", func() {
ctrName := "testCtr"
ctrCmd := []string{"top"}
testContainer := Container{ctrCmd, ALPINE, ctrName, true, false, nil, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(ContainSubstring(ctrCmd[0]))
})
It("podman play kube test correct output", func() {
ctrName := "testCtr"
ctrCmd := []string{"echo", "hello"}
testContainer := Container{ctrCmd, ALPINE, ctrName, true, false, nil, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
logs := podmanTest.Podman([]string{"logs", ctrName})
logs.WaitWithDefaultTimeout()
Expect(logs.ExitCode()).To(Equal(0))
Expect(logs.OutputToString()).To(ContainSubstring("hello"))
inspect := podmanTest.Podman([]string{"inspect", ctrName, "--format", "'{{ .Config.Cmd }}'"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(ContainSubstring("hello"))
})
It("podman play kube test hostname", func() {
podName := "test"
ctrName := "testCtr"
ctrCmd := []string{"top"}
testContainer := Container{ctrCmd, ALPINE, ctrName, true, false, nil, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml(podName, "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName, "--format", "{{ .Config.Hostname }}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(Equal(podName))
})
It("podman play kube test with customized hostname", func() {
hostname := "myhostname"
ctrName := "testCtr"
ctrCmd := []string{"top"}
testContainer := Container{ctrCmd, ALPINE, ctrName, true, false, nil, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", hostname, []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName, "--format", "{{ .Config.Hostname }}"})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(Equal(hostname))
})
It("podman play kube cap add", func() {
ctrName := "testCtr"
ctrCmd := []string{"cat", "/proc/self/status"}
capAdd := "CAP_SYS_ADMIN"
testContainer := Container{ctrCmd, ALPINE, ctrName, true, true, []string{capAdd}, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(ContainSubstring(capAdd))
})
It("podman play kube cap add", func() {
ctrName := "testCtr"
ctrCmd := []string{"cat", "/proc/self/status"}
capDrop := "CAP_SYS_ADMIN"
testContainer := Container{ctrCmd, ALPINE, ctrName, true, true, []string{capDrop}, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
Expect(inspect.OutputToString()).To(ContainSubstring(capDrop))
})
It("podman play kube no security context", func() {
// expect play kube to not fail if no security context is specified
ctrName := "testCtr"
ctrCmd := "ls"
testContainer := Container{[]string{ctrCmd}, ALPINE, ctrName, false, false, nil, nil}
tempFile := filepath.Join(podmanTest.TempDir, "kube.yaml")
err := generateKubeYaml("test", "", []Container{testContainer}, tempFile)
Expect(err).To(BeNil())
kube := podmanTest.Podman([]string{"play", "kube", tempFile})
kube.WaitWithDefaultTimeout()
Expect(kube.ExitCode()).To(Equal(0))
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(Equal(0))
})
})
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