package integration import ( "bytes" "fmt" "io/ioutil" "os" "path/filepath" "strconv" "strings" "text/template" . "github.com/containers/podman/v2/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) var unknownKindYaml = ` apiVersion: v1 kind: UnknownKind metadata: labels: app: app1 name: unknown spec: hostname: unknown ` var configMapYamlTemplate = ` apiVersion: v1 kind: ConfigMap metadata: name: {{ .Name }} data: {{ with .Data }} {{ range $key, $value := . }} {{ $key }}: {{ $value }} {{ end }} {{ end }} ` var podYamlTemplate = ` apiVersion: v1 kind: Pod metadata: creationTimestamp: "2019-07-17T14:44:08Z" name: {{ .Name }} labels: app: {{ .Name }} {{ with .Labels }} {{ range $key, $value := . }} {{ $key }}: {{ $value }} {{ end }} {{ end }} {{ with .Annotations }} annotations: {{ range $key, $value := . }} {{ $key }}: {{ $value }} {{ end }} {{ end }} spec: restartPolicy: {{ .RestartPolicy }} hostname: {{ .Hostname }} hostAliases: {{ range .HostAliases }} - hostnames: {{ range .HostName }} - {{ . }} {{ end }} ip: {{ .IP }} {{ end }} containers: {{ with .Ctrs }} {{ range . }} - command: {{ range .Cmd }} - {{.}} {{ end }} args: {{ range .Arg }} - {{.}} {{ 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 {{ range .Env }} - name: {{ .Name }} {{ if (eq .ValueFrom "configmap") }} valueFrom: configMapKeyRef: name: {{ .RefName }} key: {{ .RefKey }} {{ else }} value: {{ .Value }} {{ end }} {{ end }} {{ with .EnvFrom}} envFrom: {{ range . }} {{ if (eq .From "configmap") }} - configMapRef: name: {{ .Name }} {{ end }} {{ end }} {{ end }} image: {{ .Image }} name: {{ .Name }} imagePullPolicy: {{ .PullPolicy }} {{- if or .CpuRequest .CpuLimit .MemoryRequest .MemoryLimit }} resources: {{- if or .CpuRequest .MemoryRequest }} requests: {{if .CpuRequest }}cpu: {{ .CpuRequest }}{{ end }} {{if .MemoryRequest }}memory: {{ .MemoryRequest }}{{ end }} {{- end }} {{- if or .CpuLimit .MemoryLimit }} limits: {{if .CpuLimit }}cpu: {{ .CpuLimit }}{{ end }} {{if .MemoryLimit }}memory: {{ .MemoryLimit }}{{ end }} {{- end }} {{- end }} {{ 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 ports: - containerPort: {{ .Port }} hostIP: {{ .HostIP }} hostPort: {{ .Port }} protocol: TCP workingDir: / volumeMounts: {{ if .VolumeMount }} - name: {{.VolumeName}} mountPath: {{ .VolumeMountPath }} readonly: {{.VolumeReadOnly}} {{ end }} {{ end }} {{ end }} {{ end }} {{ with .Volumes }} volumes: {{ range . }} - name: {{ .Name }} {{- if (eq .VolumeType "HostPath") }} hostPath: path: {{ .HostPath.Path }} type: {{ .HostPath.Type }} {{- end }} {{- if (eq .VolumeType "PersistentVolumeClaim") }} persistentVolumeClaim: claimName: {{ .PersistentVolumeClaim.ClaimName }} {{- end }} {{ end }} {{ end }} status: {} ` var deploymentYamlTemplate = ` apiVersion: v1 kind: Deployment metadata: creationTimestamp: "2019-07-17T14:44:08Z" name: {{ .Name }} labels: app: {{ .Name }} {{ with .Labels }} {{ range $key, $value := . }} {{ $key }}: {{ $value }} {{ end }} {{ end }} {{ with .Annotations }} annotations: {{ range $key, $value := . }} {{ $key }}: {{ $value }} {{ end }} {{ end }} spec: replicas: {{ .Replicas }} selector: matchLabels: app: {{ .Name }} template: {{ with .PodTemplate }} metadata: labels: app: {{ .Name }} {{- with .Labels }}{{ range $key, $value := . }} {{ $key }}: {{ $value }} {{- end }}{{ end }} {{- with .Annotations }} annotations: {{- range $key, $value := . }} {{ $key }}: {{ $value }} {{- end }} {{- end }} spec: restartPolicy: {{ .RestartPolicy }} hostname: {{ .Hostname }} containers: {{ with .Ctrs }} {{ range . }} - command: {{ range .Cmd }} - {{.}} {{ end }} args: {{ range .Arg }} - {{.}} {{ 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 }} imagePullPolicy: {{ .PullPolicy }} {{- if or .CpuRequest .CpuLimit .MemoryRequest .MemoryLimit }} resources: {{- if or .CpuRequest .MemoryRequest }} requests: {{if .CpuRequest }}cpu: {{ .CpuRequest }}{{ end }} {{if .MemoryRequest }}memory: {{ .MemoryRequest }}{{ end }} {{- end }} {{- if or .CpuLimit .MemoryLimit }} limits: {{if .CpuLimit }}cpu: {{ .CpuLimit }}{{ end }} {{if .MemoryLimit }}memory: {{ .MemoryLimit }}{{ end }} {{- end }} {{- end }} {{ 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 }} {{ end }} ` var ( defaultCtrName = "testCtr" defaultCtrCmd = []string{"top"} defaultCtrArg = []string{"-d", "1.5"} defaultCtrImage = ALPINE defaultPodName = "testPod" defaultVolName = "testVol" defaultDeploymentName = "testDeployment" defaultConfigMapName = "testConfigMap" seccompPwdEPERM = []byte(`{"defaultAction":"SCMP_ACT_ALLOW","syscalls":[{"name":"getcwd","action":"SCMP_ACT_ERRNO"}]}`) // CPU Period in ms defaultCPUPeriod = 100 ) func writeYaml(content string, fileName string) error { f, err := os.Create(fileName) if err != nil { return err } defer f.Close() _, err = f.WriteString(content) if err != nil { return err } return nil } func generateKubeYaml(kind string, object interface{}, pathname string) error { var yamlTemplate string templateBytes := &bytes.Buffer{} switch kind { case "configmap": yamlTemplate = configMapYamlTemplate case "pod": yamlTemplate = podYamlTemplate case "deployment": yamlTemplate = deploymentYamlTemplate default: return fmt.Errorf("unsupported kubernetes kind") } t, err := template.New(kind).Parse(yamlTemplate) if err != nil { return err } if err := t.Execute(templateBytes, object); err != nil { return err } return writeYaml(templateBytes.String(), pathname) } // ConfigMap describes the options a kube yaml can be configured at configmap level type ConfigMap struct { Name string Data map[string]string } func getConfigMap(options ...configMapOption) *ConfigMap { cm := ConfigMap{ Name: defaultConfigMapName, Data: map[string]string{}, } for _, option := range options { option(&cm) } return &cm } type configMapOption func(*ConfigMap) func withConfigMapName(name string) configMapOption { return func(configmap *ConfigMap) { configmap.Name = name } } func withConfigMapData(k, v string) configMapOption { return func(configmap *ConfigMap) { configmap.Data[k] = v } } // Pod describes the options a kube yaml can be configured at pod level type Pod struct { Name string RestartPolicy string Hostname string HostAliases []HostAlias Ctrs []*Ctr Volumes []*Volume Labels map[string]string Annotations map[string]string } type HostAlias struct { IP string HostName []string } // getPod takes a list of podOptions and returns a pod with sane defaults // and the configured options // if no containers are added, it will add the default container func getPod(options ...podOption) *Pod { p := Pod{ Name: defaultPodName, RestartPolicy: "Never", Hostname: "", HostAliases: nil, Ctrs: make([]*Ctr, 0), Volumes: make([]*Volume, 0), Labels: make(map[string]string), Annotations: make(map[string]string), } for _, option := range options { option(&p) } if len(p.Ctrs) == 0 { p.Ctrs = []*Ctr{getCtr()} } return &p } type podOption func(*Pod) func withPodName(name string) podOption { return func(pod *Pod) { pod.Name = name } } func withHostname(h string) podOption { return func(pod *Pod) { pod.Hostname = h } } func withHostAliases(ip string, host []string) podOption { return func(pod *Pod) { pod.HostAliases = append(pod.HostAliases, HostAlias{ IP: ip, HostName: host, }) } } func withCtr(c *Ctr) podOption { return func(pod *Pod) { pod.Ctrs = append(pod.Ctrs, c) } } func withRestartPolicy(policy string) podOption { return func(pod *Pod) { pod.RestartPolicy = policy } } func withLabel(k, v string) podOption { return func(pod *Pod) { pod.Labels[k] = v } } func withAnnotation(k, v string) podOption { return func(pod *Pod) { pod.Annotations[k] = v } } func withVolume(v *Volume) podOption { return func(pod *Pod) { pod.Volumes = append(pod.Volumes, v) } } // Deployment describes the options a kube yaml can be configured at deployment level type Deployment struct { Name string Replicas int32 Labels map[string]string Annotations map[string]string PodTemplate *Pod } func getDeployment(options ...deploymentOption) *Deployment { d := Deployment{ Name: defaultDeploymentName, Replicas: 1, Labels: make(map[string]string), Annotations: make(map[string]string), PodTemplate: getPod(), } for _, option := range options { option(&d) } return &d } type deploymentOption func(*Deployment) func withDeploymentLabel(k, v string) deploymentOption { return func(deployment *Deployment) { deployment.Labels[k] = v } } func withDeploymentAnnotation(k, v string) deploymentOption { return func(deployment *Deployment) { deployment.Annotations[k] = v } } func withPod(pod *Pod) deploymentOption { return func(d *Deployment) { d.PodTemplate = pod } } func withReplicas(replicas int32) deploymentOption { return func(d *Deployment) { d.Replicas = replicas } } // getPodNamesInDeployment returns list of Pod objects // with just their name set, so that it can be passed around // and into getCtrNameInPod for ease of testing func getPodNamesInDeployment(d *Deployment) []Pod { var pods []Pod var i int32 for i = 0; i < d.Replicas; i++ { p := Pod{} p.Name = fmt.Sprintf("%s-pod-%d", d.Name, i) pods = append(pods, p) } return pods } // Ctr describes the options a kube yaml can be configured at container level type Ctr struct { Name string Image string Cmd []string Arg []string CpuRequest string CpuLimit string MemoryRequest string MemoryLimit string SecurityContext bool Caps bool CapAdd []string CapDrop []string PullPolicy string HostIP string Port string VolumeMount bool VolumeMountPath string VolumeName string VolumeReadOnly bool Env []Env EnvFrom []EnvFrom } // getCtr takes a list of ctrOptions and returns a Ctr with sane defaults // and the configured options func getCtr(options ...ctrOption) *Ctr { c := Ctr{ Name: defaultCtrName, Image: defaultCtrImage, Cmd: defaultCtrCmd, Arg: defaultCtrArg, SecurityContext: true, Caps: false, CapAdd: nil, CapDrop: nil, PullPolicy: "", HostIP: "", Port: "", VolumeMount: false, VolumeMountPath: "", VolumeName: "", VolumeReadOnly: false, Env: []Env{}, EnvFrom: []EnvFrom{}, } for _, option := range options { option(&c) } return &c } type ctrOption func(*Ctr) func withCmd(cmd []string) ctrOption { return func(c *Ctr) { c.Cmd = cmd } } func withArg(arg []string) ctrOption { return func(c *Ctr) { c.Arg = arg } } func withImage(img string) ctrOption { return func(c *Ctr) { c.Image = img } } func withCpuRequest(request string) ctrOption { return func(c *Ctr) { c.CpuRequest = request } } func withCpuLimit(limit string) ctrOption { return func(c *Ctr) { c.CpuLimit = limit } } func withMemoryRequest(request string) ctrOption { return func(c *Ctr) { c.MemoryRequest = request } } func withMemoryLimit(limit string) ctrOption { return func(c *Ctr) { c.MemoryLimit = limit } } func withSecurityContext(sc bool) ctrOption { return func(c *Ctr) { c.SecurityContext = sc } } func withCapAdd(caps []string) ctrOption { return func(c *Ctr) { c.CapAdd = caps c.Caps = true } } func withCapDrop(caps []string) ctrOption { return func(c *Ctr) { c.CapDrop = caps c.Caps = true } } func withPullPolicy(policy string) ctrOption { return func(c *Ctr) { c.PullPolicy = policy } } func withHostIP(ip string, port string) ctrOption { return func(c *Ctr) { c.HostIP = ip c.Port = port } } func withVolumeMount(mountPath string, readonly bool) ctrOption { return func(c *Ctr) { c.VolumeMountPath = mountPath c.VolumeName = defaultVolName c.VolumeReadOnly = readonly c.VolumeMount = true } } func withEnv(name, value, valueFrom, refName, refKey string) ctrOption { return func(c *Ctr) { e := Env{ Name: name, Value: value, ValueFrom: valueFrom, RefName: refName, RefKey: refKey, } c.Env = append(c.Env, e) } } func withEnvFrom(name, from string) ctrOption { return func(c *Ctr) { e := EnvFrom{ Name: name, From: from, } c.EnvFrom = append(c.EnvFrom, e) } } func getCtrNameInPod(pod *Pod) string { return fmt.Sprintf("%s-%s", pod.Name, defaultCtrName) } type HostPath struct { Path string Type string } type PersistentVolumeClaim struct { ClaimName string } type Volume struct { VolumeType string Name string HostPath PersistentVolumeClaim } // getHostPathVolume takes a type and a location for a HostPath // volume giving it a default name of volName func getHostPathVolume(vType, vPath string) *Volume { return &Volume{ VolumeType: "HostPath", Name: defaultVolName, HostPath: HostPath{ Path: vPath, Type: vType, }, } } // getHostPathVolume takes a name for a Persistentvolumeclaim // volume giving it a default name of volName func getPersistentVolumeClaimVolume(vName string) *Volume { return &Volume{ VolumeType: "PersistentVolumeClaim", Name: defaultVolName, PersistentVolumeClaim: PersistentVolumeClaim{ ClaimName: vName, }, } } type Env struct { Name string Value string ValueFrom string RefName string RefKey string } type EnvFrom struct { Name string From string } func milliCPUToQuota(milliCPU string) int { milli, _ := strconv.Atoi(strings.Trim(milliCPU, "m")) return milli * defaultCPUPeriod } var _ = Describe("Podman play kube", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration kubeYaml string ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() kubeYaml = filepath.Join(podmanTest.TempDir, "kube.yaml") }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) It("podman play kube fail with yaml of unsupported kind", func() { err := writeYaml(unknownKindYaml, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Not(Equal(0))) }) It("podman play kube fail with nonexistent authfile", func() { err := generateKubeYaml("pod", getPod(), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", "--authfile", "/tmp/nonexistent", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Not(Equal(0))) }) It("podman play kube test correct command", func() { pod := getPod() err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) // Use the defined command to override the image's command correctCmd := "[" + strings.Join(defaultCtrCmd, " ") + " " + strings.Join(defaultCtrArg, " ") Expect(inspect.OutputToString()).To(ContainSubstring(correctCmd)) }) It("podman play kube test correct command with only set command in yaml file", func() { pod := getPod(withCtr(getCtr(withCmd([]string{"echo", "hello"}), withArg(nil)))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) // Use the defined command to override the image's command, and don't set the args // so the full command in result should not contains the image's command Expect(inspect.OutputToString()).To(ContainSubstring(`[echo hello]`)) }) It("podman play kube test correct command with only set args in yaml file", func() { pod := getPod(withCtr(getCtr(withImage(redis), withCmd(nil), withArg([]string{"echo", "hello"})))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) // this image's ENTRYPOINT is called `docker-entrypoint.sh` // so result should be `docker-entrypoint.sh + withArg(...)` Expect(inspect.OutputToString()).To(ContainSubstring(`[docker-entrypoint.sh echo hello]`)) }) It("podman play kube test correct output", func() { p := getPod(withCtr(getCtr(withCmd([]string{"echo", "hello"}), withArg([]string{"world"})))) err := generateKubeYaml("pod", p, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) logs := podmanTest.Podman([]string{"logs", getCtrNameInPod(p)}) logs.WaitWithDefaultTimeout() Expect(logs.ExitCode()).To(Equal(0)) Expect(logs.OutputToString()).To(ContainSubstring("hello world")) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(p), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(`[echo hello world]`)) }) It("podman play kube test restartPolicy", func() { // podName, set, expect testSli := [][]string{ {"testPod1", "", "always"}, // Default equal to always {"testPod2", "Always", "always"}, {"testPod3", "OnFailure", "on-failure"}, {"testPod4", "Never", "no"}, } for _, v := range testSli { pod := getPod(withPodName(v[0]), withRestartPolicy(v[1])) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "{{.HostConfig.RestartPolicy.Name}}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(Equal(v[2])) } }) It("podman play kube test env value from configmap", func() { SkipIfRemote("configmap list is not supported as a param") cmYamlPathname := filepath.Join(podmanTest.TempDir, "foo-cm.yaml") cm := getConfigMap(withConfigMapName("foo"), withConfigMapData("FOO", "foo")) err := generateKubeYaml("configmap", cm, cmYamlPathname) Expect(err).To(BeNil()) pod := getPod(withCtr(getCtr(withEnv("FOO", "", "configmap", "foo", "FOO")))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml, "--configmap", cmYamlPathname}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Env }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(`FOO=foo`)) }) It("podman play kube test get all key-value pairs from configmap as envs", func() { SkipIfRemote("configmap list is not supported as a param") cmYamlPathname := filepath.Join(podmanTest.TempDir, "foo-cm.yaml") cm := getConfigMap(withConfigMapName("foo"), withConfigMapData("FOO1", "foo1"), withConfigMapData("FOO2", "foo2")) err := generateKubeYaml("configmap", cm, cmYamlPathname) Expect(err).To(BeNil()) pod := getPod(withCtr(getCtr(withEnvFrom("foo", "configmap")))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml, "--configmap", cmYamlPathname}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Env }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(`FOO1=foo1`)) Expect(inspect.OutputToString()).To(ContainSubstring(`FOO2=foo2`)) }) It("podman play kube test hostname", func() { pod := getPod() err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "{{ .Config.Hostname }}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(Equal(defaultPodName)) }) It("podman play kube test with customized hostname", func() { hostname := "myhostname" pod := getPod(withHostname(hostname)) err := generateKubeYaml("pod", getPod(withHostname(hostname)), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "{{ .Config.Hostname }}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(Equal(hostname)) }) It("podman play kube test HostAliases", func() { pod := getPod(withHostAliases("192.168.1.2", []string{ "test1.podman.io", "test2.podman.io", }), withHostAliases("192.168.1.3", []string{ "test3.podman.io", "test4.podman.io", }), ) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", pod.Name, "--format", "{{ .InfraConfig.HostAdd}}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()). To(Equal("[test1.podman.io:192.168.1.2 test2.podman.io:192.168.1.2 test3.podman.io:192.168.1.3 test4.podman.io:192.168.1.3]")) }) It("podman play kube cap add", func() { capAdd := "CAP_SYS_ADMIN" ctr := getCtr(withCapAdd([]string{capAdd}), withCmd([]string{"cat", "/proc/self/status"}), withArg(nil)) pod := getPod(withCtr(ctr)) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod)}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(capAdd)) }) It("podman play kube cap drop", func() { capDrop := "CAP_CHOWN" ctr := getCtr(withCapDrop([]string{capDrop})) pod := getPod(withCtr(ctr)) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod)}) 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 pod := getPod(withCtr(getCtr(withSecurityContext(false)))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod)}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) }) It("podman play kube seccomp container level", func() { SkipIfRemote("podman-remote does not support --seccomp-profile-root flag") // expect play kube is expected to set a seccomp label if it's applied as an annotation jsonFile, err := podmanTest.CreateSeccompJson(seccompPwdEPERM) if err != nil { fmt.Println(err) Skip("Failed to prepare seccomp.json for test.") } ctrAnnotation := "container.seccomp.security.alpha.kubernetes.io/" + defaultCtrName ctr := getCtr(withCmd([]string{"pwd"}), withArg(nil)) pod := getPod(withCtr(ctr), withAnnotation(ctrAnnotation, "localhost/"+filepath.Base(jsonFile))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) // CreateSeccompJson will put the profile into podmanTest.TempDir. Use --seccomp-profile-root to tell play kube where to look kube := podmanTest.Podman([]string{"play", "kube", "--seccomp-profile-root", podmanTest.TempDir, kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) logs := podmanTest.Podman([]string{"logs", getCtrNameInPod(pod)}) logs.WaitWithDefaultTimeout() Expect(logs.ExitCode()).To(Equal(0)) Expect(logs.ErrorToString()).To(ContainSubstring("Operation not permitted")) }) It("podman play kube seccomp pod level", func() { SkipIfRemote("podman-remote does not support --seccomp-profile-root flag") // expect play kube is expected to set a seccomp label if it's applied as an annotation jsonFile, err := podmanTest.CreateSeccompJson(seccompPwdEPERM) if err != nil { fmt.Println(err) Skip("Failed to prepare seccomp.json for test.") } defer os.Remove(jsonFile) ctr := getCtr(withCmd([]string{"pwd"}), withArg(nil)) pod := getPod(withCtr(ctr), withAnnotation("seccomp.security.alpha.kubernetes.io/pod", "localhost/"+filepath.Base(jsonFile))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) // CreateSeccompJson will put the profile into podmanTest.TempDir. Use --seccomp-profile-root to tell play kube where to look kube := podmanTest.Podman([]string{"play", "kube", "--seccomp-profile-root", podmanTest.TempDir, kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) logs := podmanTest.Podman([]string{"logs", getCtrNameInPod(pod)}) logs.WaitWithDefaultTimeout() Expect(logs.ExitCode()).To(Equal(0)) Expect(logs.ErrorToString()).To(ContainSubstring("Operation not permitted")) }) It("podman play kube with pull policy of never should be 125", func() { ctr := getCtr(withPullPolicy("never"), withImage(BB_GLIBC)) err := generateKubeYaml("pod", getPod(withCtr(ctr)), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(125)) }) It("podman play kube with pull policy of missing", func() { ctr := getCtr(withPullPolicy("missing"), withImage(BB)) err := generateKubeYaml("pod", getPod(withCtr(ctr)), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) }) It("podman play kube with pull always", func() { oldBB := "quay.io/libpod/busybox:1.30.1" pull := podmanTest.Podman([]string{"pull", oldBB}) pull.WaitWithDefaultTimeout() tag := podmanTest.Podman([]string{"tag", oldBB, BB}) tag.WaitWithDefaultTimeout() Expect(tag.ExitCode()).To(BeZero()) rmi := podmanTest.Podman([]string{"rmi", oldBB}) rmi.WaitWithDefaultTimeout() Expect(rmi.ExitCode()).To(BeZero()) inspect := podmanTest.Podman([]string{"inspect", BB}) inspect.WaitWithDefaultTimeout() oldBBinspect := inspect.InspectImageJSON() ctr := getCtr(withPullPolicy("always"), withImage(BB)) err := generateKubeYaml("pod", getPod(withCtr(ctr)), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect = podmanTest.Podman([]string{"inspect", BB}) inspect.WaitWithDefaultTimeout() newBBinspect := inspect.InspectImageJSON() Expect(oldBBinspect[0].Digest).To(Not(Equal(newBBinspect[0].Digest))) }) It("podman play kube with latest image should always pull", func() { oldBB := "quay.io/libpod/busybox:1.30.1" pull := podmanTest.Podman([]string{"pull", oldBB}) pull.WaitWithDefaultTimeout() tag := podmanTest.Podman([]string{"tag", oldBB, BB}) tag.WaitWithDefaultTimeout() Expect(tag.ExitCode()).To(BeZero()) rmi := podmanTest.Podman([]string{"rmi", oldBB}) rmi.WaitWithDefaultTimeout() Expect(rmi.ExitCode()).To(BeZero()) inspect := podmanTest.Podman([]string{"inspect", BB}) inspect.WaitWithDefaultTimeout() oldBBinspect := inspect.InspectImageJSON() ctr := getCtr(withImage(BB)) err := generateKubeYaml("pod", getPod(withCtr(ctr)), kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect = podmanTest.Podman([]string{"inspect", BB}) inspect.WaitWithDefaultTimeout() newBBinspect := inspect.InspectImageJSON() Expect(oldBBinspect[0].Digest).To(Not(Equal(newBBinspect[0].Digest))) }) It("podman play kube with image data", func() { testyaml := ` apiVersion: v1 kind: Pod metadata: name: demo_pod spec: containers: - image: demo name: demo_kube ` pull := podmanTest.Podman([]string{"create", "--workdir", "/etc", "--name", "newBB", "--label", "key1=value1", "alpine"}) pull.WaitWithDefaultTimeout() Expect(pull.ExitCode()).To(BeZero()) c := podmanTest.Podman([]string{"commit", "-c", "STOPSIGNAL=51", "newBB", "demo"}) c.WaitWithDefaultTimeout() Expect(c.ExitCode()).To(Equal(0)) conffile := filepath.Join(podmanTest.TempDir, "kube.yaml") tempdir, err = CreateTempDirInTempDir() Expect(err).To(BeNil()) err := ioutil.WriteFile(conffile, []byte(testyaml), 0755) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", conffile}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", "demo_pod-demo_kube"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) ctr := inspect.InspectContainerToJSON() Expect(ctr[0].Config.WorkingDir).To(ContainSubstring("/etc")) Expect(ctr[0].Config.Labels["key1"]).To(ContainSubstring("value1")) Expect(ctr[0].Config.Labels["key1"]).To(ContainSubstring("value1")) Expect(ctr[0].Config.StopSignal).To(Equal(uint(51))) }) // Deployment related tests It("podman play kube deployment 1 replica test correct command", func() { deployment := getDeployment() err := generateKubeYaml("deployment", deployment, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) podNames := getPodNamesInDeployment(deployment) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(&podNames[0]), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) // yaml's command should override the image's Entrypoint correctCmd := "[" + strings.Join(defaultCtrCmd, " ") + " " + strings.Join(defaultCtrArg, " ") Expect(inspect.OutputToString()).To(ContainSubstring(correctCmd)) }) It("podman play kube deployment more than 1 replica test correct command", func() { var i, numReplicas int32 numReplicas = 5 deployment := getDeployment(withReplicas(numReplicas)) err := generateKubeYaml("deployment", deployment, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) podNames := getPodNamesInDeployment(deployment) correctCmd := "[" + strings.Join(defaultCtrCmd, " ") + " " + strings.Join(defaultCtrArg, " ") for i = 0; i < numReplicas; i++ { inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(&podNames[i]), "--format", "'{{ .Config.Cmd }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(correctCmd)) } }) It("podman play kube test with network portbindings", func() { ip := "127.0.0.100" port := "5000" ctr := getCtr(withHostIP(ip, port), withImage(BB)) pod := getPod(withCtr(ctr)) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"port", getCtrNameInPod(pod)}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(Equal("5000/tcp -> 127.0.0.100:5000")) }) It("podman play kube test with nonexistent empty HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") pod := getPod(withVolume(getHostPathVolume(`""`, hostPathLocation))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).NotTo(Equal(0)) }) It("podman play kube test with empty HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") f, err := os.Create(hostPathLocation) Expect(err).To(BeNil()) f.Close() pod := getPod(withVolume(getHostPathVolume(`""`, hostPathLocation))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) }) It("podman play kube test with nonexistent File HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") pod := getPod(withVolume(getHostPathVolume("File", hostPathLocation))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).NotTo(Equal(0)) }) It("podman play kube test with File HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") f, err := os.Create(hostPathLocation) Expect(err).To(BeNil()) f.Close() pod := getPod(withVolume(getHostPathVolume("File", hostPathLocation))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) }) It("podman play kube test with FileOrCreate HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") pod := getPod(withVolume(getHostPathVolume("FileOrCreate", hostPathLocation))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) // the file should have been created _, err = os.Stat(hostPathLocation) Expect(err).To(BeNil()) }) It("podman play kube test with DirectoryOrCreate HostPath type volume", func() { hostPathLocation := filepath.Join(tempdir, "file") pod := getPod(withVolume(getHostPathVolume("DirectoryOrCreate", hostPathLocation))) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) // the file should have been created st, err := os.Stat(hostPathLocation) Expect(err).To(BeNil()) Expect(st.Mode().IsDir()).To(Equal(true)) }) It("podman play kube test with Socket HostPath type volume should fail if not socket", func() { hostPathLocation := filepath.Join(tempdir, "file") f, err := os.Create(hostPathLocation) Expect(err).To(BeNil()) f.Close() pod := getPod(withVolume(getHostPathVolume("Socket", hostPathLocation))) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).NotTo(Equal(0)) }) It("podman play kube test with read only HostPath volume", func() { hostPathLocation := filepath.Join(tempdir, "file") f, err := os.Create(hostPathLocation) Expect(err).To(BeNil()) f.Close() ctr := getCtr(withVolumeMount(hostPathLocation, true), withImage(BB)) pod := getPod(withVolume(getHostPathVolume("File", hostPathLocation)), withCtr(ctr)) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{.HostConfig.Binds}}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) correct := fmt.Sprintf("%s:%s:%s", hostPathLocation, hostPathLocation, "ro") Expect(inspect.OutputToString()).To(ContainSubstring(correct)) }) It("podman play kube test with PersistentVolumeClaim volume", func() { volumeName := "namedVolume" ctr := getCtr(withVolumeMount("/test", false), withImage(BB)) pod := getPod(withVolume(getPersistentVolumeClaimVolume(volumeName)), withCtr(ctr)) err = generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "{{ (index .Mounts 0).Type }}:{{ (index .Mounts 0).Name }}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) correct := fmt.Sprintf("volume:%s", volumeName) Expect(inspect.OutputToString()).To(Equal(correct)) }) It("podman play kube applies labels to pods", func() { var numReplicas int32 = 5 expectedLabelKey := "key1" expectedLabelValue := "value1" deployment := getDeployment( withReplicas(numReplicas), withPod(getPod(withLabel(expectedLabelKey, expectedLabelValue))), ) err := generateKubeYaml("deployment", deployment, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) correctLabels := expectedLabelKey + ":" + expectedLabelValue for _, pod := range getPodNamesInDeployment(deployment) { inspect := podmanTest.Podman([]string{"pod", "inspect", pod.Name, "--format", "'{{ .Labels }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(correctLabels)) } }) It("podman play kube allows setting resource limits", func() { SkipIfContainerized("Resource limits require a running systemd") SkipIfRootlessCgroupsV1("Limits require root or cgroups v2") SkipIfUnprivilegedCPULimits() podmanTest.CgroupManager = "systemd" var ( numReplicas int32 = 3 expectedCpuRequest string = "100m" expectedCpuLimit string = "200m" expectedMemoryRequest string = "10000000" expectedMemoryLimit string = "20000000" ) expectedCpuQuota := milliCPUToQuota(expectedCpuLimit) deployment := getDeployment( withReplicas(numReplicas), withPod(getPod(withCtr(getCtr( withCpuRequest(expectedCpuRequest), withCpuLimit(expectedCpuLimit), withMemoryRequest(expectedMemoryRequest), withMemoryLimit(expectedMemoryLimit), ))))) err := generateKubeYaml("deployment", deployment, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) for _, pod := range getPodNamesInDeployment(deployment) { inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(&pod), "--format", ` CpuPeriod: {{ .HostConfig.CpuPeriod }} CpuQuota: {{ .HostConfig.CpuQuota }} Memory: {{ .HostConfig.Memory }} MemoryReservation: {{ .HostConfig.MemoryReservation }}`}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring(fmt.Sprintf("%s: %d", "CpuQuota", expectedCpuQuota))) Expect(inspect.OutputToString()).To(ContainSubstring("MemoryReservation: " + expectedMemoryRequest)) Expect(inspect.OutputToString()).To(ContainSubstring("Memory: " + expectedMemoryLimit)) } }) It("podman play kube reports invalid image name", func() { invalidImageName := "./myimage" pod := getPod( withCtr( getCtr( withImage(invalidImageName), ), ), ) err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(125)) Expect(kube.ErrorToString()).To(ContainSubstring(invalidImageName)) }) It("podman play kube applies log driver to containers", func() { Skip("need to verify images have correct packages for journald") pod := getPod() err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", "--log-driver", "journald", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .HostConfig.LogConfig.Type }}'"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(ContainSubstring("journald")) }) It("podman play kube test only creating the containers", func() { pod := getPod() err := generateKubeYaml("pod", pod, kubeYaml) Expect(err).To(BeNil()) kube := podmanTest.Podman([]string{"play", "kube", "--start=false", kubeYaml}) kube.WaitWithDefaultTimeout() Expect(kube.ExitCode()).To(Equal(0)) inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "{{ .State.Running }}"}) inspect.WaitWithDefaultTimeout() Expect(inspect.ExitCode()).To(Equal(0)) Expect(inspect.OutputToString()).To(Equal("false")) }) })