Enable pod ps integration tests

Enable integration tests for pod ps.

In addition, fixed bug where output was still using slice go template routines and would fail when no infra container was present.  Added integration test to prevent future regressions.

Signed-off-by: Brent Baude <bbaude@redhat.com>

cmd/podman/pods/ps.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"sort"
 	"strings"
 	"text/tabwriter"
 	"text/template"
@@ -32,7 +33,7 @@ var (
 
 var (
 	defaultHeaders string = "POD ID\tNAME\tSTATUS\tCREATED"
-	inputFilters   string
+	inputFilters   []string
 	noTrunc        bool
 	psInput        entities.PodPSOptions
 )
@@ -48,7 +49,7 @@ func init() {
 	flags.BoolVar(&psInput.CtrIds, "ctr-ids", false, "Display the container UUIDs. If no-trunc is not set they will be truncated")
 	flags.BoolVar(&psInput.CtrStatus, "ctr-status", false, "Display the container status")
 	// TODO should we make this a [] ?
-	flags.StringVarP(&inputFilters, "filter", "f", "", "Filter output based on conditions given")
+	flags.StringSliceVarP(&inputFilters, "filter", "f", []string{}, "Filter output based on conditions given")
 	flags.StringVar(&psInput.Format, "format", "", "Pretty-print pods to JSON or using a Go template")
 	flags.BoolVarP(&psInput.Latest, "latest", "l", false, "Act on the latest pod podman is aware of")
 	flags.BoolVar(&psInput.Namespace, "namespace", false, "Display namespace information of the pod")
@@ -67,8 +68,13 @@ func pods(cmd *cobra.Command, args []string) error {
 		row string
 		lpr []ListPodReporter
 	)
+
+	if psInput.Quiet && len(psInput.Format) > 0 {
+		return errors.New("quiet and format cannot be used together")
+	}
 	if cmd.Flag("filter").Changed {
-		for _, f := range strings.Split(inputFilters, ",") {
+		psInput.Filters = make(map[string][]string)
+		for _, f := range inputFilters {
 			split := strings.Split(f, "=")
 			if len(split) < 2 {
 				return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
@@ -81,6 +87,10 @@ func pods(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	if err := sortPodPsOutput(psInput.Sort, responses); err != nil {
+		return err
+	}
+
 	if psInput.Format == "json" {
 		b, err := json.MarshalIndent(responses, "", "  ")
 		if err != nil {
@@ -95,11 +105,7 @@ func pods(cmd *cobra.Command, args []string) error {
 	}
 	headers, row := createPodPsOut()
 	if psInput.Quiet {
-		if noTrunc {
+		row = "{{.Id}}\n"
-			row = "{{.Id}}\n"
-		} else {
-			row = "{{slice .Id 0 12}}\n"
-		}
 	}
 	if cmd.Flag("format").Changed {
 		row = psInput.Format
@@ -130,11 +136,7 @@ func pods(cmd *cobra.Command, args []string) error {
 func createPodPsOut() (string, string) {
 	var row string
 	headers := defaultHeaders
-	if noTrunc {
+	row += "{{.Id}}"
-		row += "{{.Id}}"
-	} else {
-		row += "{{slice .Id 0 12}}"
-	}
 
 	row += "\t{{.Name}}\t{{.Status}}\t{{.Created}}"
 
@@ -160,11 +162,7 @@ func createPodPsOut() (string, string) {
 
 	}
 	headers += "\tINFRA ID\n"
-	if noTrunc {
+	row += "\t{{.InfraId}}\n"
-		row += "\t{{.InfraId}}\n"
-	} else {
-		row += "\t{{slice .InfraId 0 12}}\n"
-	}
 	return headers, row
 }
 
@@ -184,6 +182,19 @@ func (l ListPodReporter) NumberOfContainers() int {
 	return len(l.Containers)
 }
 
+// ID is a wrapper to Id for compat, typos
+func (l ListPodReporter) ID() string {
+	return l.Id()
+}
+
+// Id returns the Pod id
+func (l ListPodReporter) Id() string {
+	if noTrunc {
+		return l.ListPodsReport.Id
+	}
+	return l.ListPodsReport.Id[0:12]
+}
+
 // Added for backwards compatibility with podmanv1
 func (l ListPodReporter) InfraID() string {
 	return l.InfraId()
@@ -192,6 +203,9 @@ func (l ListPodReporter) InfraID() string {
 // InfraId returns the infra container id for the pod
 // depending on trunc
 func (l ListPodReporter) InfraId() string {
+	if len(l.ListPodsReport.InfraId) == 0 {
+		return ""
+	}
 	if noTrunc {
 		return l.ListPodsReport.InfraId
 	}
@@ -225,3 +239,52 @@ func (l ListPodReporter) ContainerStatuses() string {
 	}
 	return strings.Join(statuses, ",")
 }
+
+func sortPodPsOutput(sortBy string, lprs []*entities.ListPodsReport) error {
+	switch sortBy {
+	case "created":
+		sort.Sort(podPsSortedCreated{lprs})
+	case "id":
+		sort.Sort(podPsSortedId{lprs})
+	case "name":
+		sort.Sort(podPsSortedName{lprs})
+	case "number":
+		sort.Sort(podPsSortedNumber{lprs})
+	case "status":
+		sort.Sort(podPsSortedStatus{lprs})
+	default:
+		return errors.Errorf("invalid option for --sort, options are: id, names, or number")
+	}
+	return nil
+}
+
+type lprSort []*entities.ListPodsReport
+
+func (a lprSort) Len() int      { return len(a) }
+func (a lprSort) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
+
+type podPsSortedCreated struct{ lprSort }
+
+func (a podPsSortedCreated) Less(i, j int) bool {
+	return a.lprSort[i].Created.After(a.lprSort[j].Created)
+}
+
+type podPsSortedId struct{ lprSort }
+
+func (a podPsSortedId) Less(i, j int) bool { return a.lprSort[i].Id < a.lprSort[j].Id }
+
+type podPsSortedNumber struct{ lprSort }
+
+func (a podPsSortedNumber) Less(i, j int) bool {
+	return len(a.lprSort[i].Containers) < len(a.lprSort[j].Containers)
+}
+
+type podPsSortedName struct{ lprSort }
+
+func (a podPsSortedName) Less(i, j int) bool { return a.lprSort[i].Name < a.lprSort[j].Name }
+
+type podPsSortedStatus struct{ lprSort }
+
+func (a podPsSortedStatus) Less(i, j int) bool {
+	return a.lprSort[i].Status < a.lprSort[j].Status
+}

pkg/domain/infra/abi/pods.go

@@ -292,9 +292,12 @@ func (ic *ContainerEngine) PodTop(ctx context.Context, options entities.PodTopOp
 
 func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOptions) ([]*entities.ListPodsReport, error) {
 	var (
+		err     error
 		filters []libpod.PodFilter
+		pds     []*libpod.Pod
 		reports []*entities.ListPodsReport
 	)
+
 	for k, v := range options.Filters {
 		for _, filter := range v {
 			f, err := lpfilters.GeneratePodFilterFunc(k, filter)
@@ -305,10 +308,19 @@ func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOpti
 
 		}
 	}
-	pds, err := ic.Libpod.Pods(filters...)
+	if options.Latest {
-	if err != nil {
+		pod, err := ic.Libpod.GetLatestPod()
-		return nil, err
+		if err != nil {
+			return nil, err
+		}
+		pds = append(pds, pod)
+	} else {
+		pds, err = ic.Libpod.Pods(filters...)
+		if err != nil {
+			return nil, err
+		}
 	}
+
 	for _, p := range pds {
 		var lpcs []*entities.ListPodContainer
 		status, err := p.GetPodStatus()

test/e2e/pod_ps_test.go

@@ -18,7 +18,6 @@ var _ = Describe("Podman ps", func() {
 	)
 
 	BeforeEach(func() {
-		Skip(v2fail)
 		tempdir, err = CreateTempDirInTempDir()
 		if err != nil {
 			os.Exit(1)
@@ -96,6 +95,7 @@ var _ = Describe("Podman ps", func() {
 		Expect(result.OutputToString()).To(ContainSubstring(podid2))
 		Expect(result.OutputToString()).To(Not(ContainSubstring(podid1)))
 	})
+
 	It("podman pod ps id filter flag", func() {
 		_, ec, podid := podmanTest.CreatePod("")
 		Expect(ec).To(Equal(0))
@@ -143,7 +143,7 @@ var _ = Describe("Podman ps", func() {
 		_, ec, _ = podmanTest.RunLsContainerInPod("test2", podid)
 		Expect(ec).To(Equal(0))
 
-		session = podmanTest.Podman([]string{"pod", "ps", "--format={{.ContainerInfo}}", "--ctr-names"})
+		session = podmanTest.Podman([]string{"pod", "ps", "--format={{.ContainerNames}}", "--ctr-names"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(session.OutputToString()).To(ContainSubstring("test1"))
@@ -228,4 +228,18 @@ var _ = Describe("Podman ps", func() {
 		Expect(session.OutputToString()).To(ContainSubstring(podid2))
 		Expect(session.OutputToString()).To(Not(ContainSubstring(podid3)))
 	})
+
+	It("pod no infra should ps", func() {
+		session := podmanTest.Podman([]string{"pod", "create", "--infra=false"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+
+		ps := podmanTest.Podman([]string{"pod", "ps"})
+		ps.WaitWithDefaultTimeout()
+		Expect(ps.ExitCode()).To(Equal(0))
+
+		infra := podmanTest.Podman([]string{"pod", "ps", "--format", "{{.InfraId}}"})
+		infra.WaitWithDefaultTimeout()
+		Expect(len(infra.OutputToString())).To(BeZero())
+	})
 })