make podman pod inspect output a json array

Just like all the other inspect commands that accept multiple args we
should just make podman pod inspect output a json array.
This makes the code more consistent and removes the extra workaround
which was needed before to support this.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

cmd/podman/common/inspect.go

@@ -11,10 +11,6 @@ const (
 	NetworkType = "network"
 	// PodType is the pod type.
 	PodType = "pod"
-	// PodLegacyType is the pod type for backwards compatibility with the old pod inspect code.
-	// This allows us to use the shared inspect code but still provide the correct output format
-	// when podman pod inspect was called.
-	PodLegacyType = "pod-legacy"
 	// VolumeType is the volume type
 	VolumeType = "volume"
 )

cmd/podman/inspect/inspect.go

@@ -123,7 +123,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 		for i := range ctrData {
 			data = append(data, ctrData[i])
 		}
-	case common.PodType, common.PodLegacyType:
+	case common.PodType:
 		podData, allErrs, err := i.containerEngine.PodInspect(ctx, namesOrIDs, i.options)
 		if err != nil {
 			return err
@@ -163,14 +163,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 	var err error
 	switch {
 	case report.IsJSON(i.options.Format) || i.options.Format == "":
-		if i.options.Type == common.PodLegacyType && len(data) == 1 {
-			// We need backwards compat with the old podman pod inspect behavior.
-			// https://github.com/containers/podman/pull/15675
-			// TODO (5.0): consider removing this to better match other commands.
-			err = printJSON(data[0])
-		} else {
-			err = printJSON(data)
-		}
+		err = printJSON(data)
 	default:
 		// Landing here implies user has given a custom --format
 		var rpt *report.Formatter

cmd/podman/pods/inspect.go

@@ -41,8 +41,6 @@ func init() {
 }
 
 func inspectExec(cmd *cobra.Command, args []string) error {
-	// We need backwards compat with the old podman pod inspect behavior.
-	// https://github.com/containers/podman/pull/15675
-	inspectOpts.Type = common.PodLegacyType
+	inspectOpts.Type = common.PodType
 	return inspect.Inspect(args, *inspectOpts)
 }

docs/source/markdown/podman-pod-inspect.1.md.in

@@ -62,31 +62,32 @@ Valid placeholders for the Go template are listed below:
 ## EXAMPLE
 ```
 # podman pod inspect foobar
-{
-
-     "Id": "3513ca70583dd7ef2bac83331350f6b6c47d7b4e526c908e49d89ebf720e4693",
-     "Name": "foobar",
-     "Labels": {},
-     "CgroupParent": "/libpod_parent",
-     "CreateCgroup": true,
-     "Created": "2018-08-08T11:15:18.823115347-05:00"
-     "State": "created",
-     "Hostname": "",
-     "SharedNamespaces": [
-          "uts",
-          "ipc",
-          "net"
-     ]
-     "CreateInfra": false,
-     "InfraContainerID": "1020dd70583dd7ff2bac83331350f6b6e007de0d026c908e49d89ebf891d4699"
-     "CgroupPath": ""
-     "Containers": [
-          {
-               "id": "d53f8bf1e9730281264aac6e6586e327429f62c704abea4b6afb5d8a2b2c9f2c",
-               "state": "configured"
-          }
-     ]
-}
+[
+     {
+         "Id": "3513ca70583dd7ef2bac83331350f6b6c47d7b4e526c908e49d89ebf720e4693",
+         "Name": "foobar",
+         "Labels": {},
+         "CgroupParent": "/libpod_parent",
+         "CreateCgroup": true,
+         "Created": "2018-08-08T11:15:18.823115347-05:00"
+         "State": "created",
+         "Hostname": "",
+         "SharedNamespaces": [
+              "uts",
+              "ipc",
+              "net"
+         ]
+         "CreateInfra": false,
+         "InfraContainerID": "1020dd70583dd7ff2bac83331350f6b6e007de0d026c908e49d89ebf891d4699"
+         "CgroupPath": ""
+         "Containers": [
+              {
+                   "id": "d53f8bf1e9730281264aac6e6586e327429f62c704abea4b6afb5d8a2b2c9f2c",
+                   "state": "configured"
+              }
+         ]
+     }
+]
 ```
 
 ## SEE ALSO

test/e2e/common_test.go

@@ -695,10 +695,11 @@ func (s *PodmanSessionIntegration) InspectContainerToJSON() []define.InspectCont
 
 // InspectPodToJSON takes the sessions output from a pod inspect and returns json
 func (s *PodmanSessionIntegration) InspectPodToJSON() define.InspectPodData {
-	var i define.InspectPodData
+	var i []define.InspectPodData
 	err := jsoniter.Unmarshal(s.Out.Contents(), &i)
 	Expect(err).ToNot(HaveOccurred())
-	return i
+	Expect(i).To(HaveLen(1))
+	return i[0]
 }
 
 // InspectPodToJSON takes the sessions output from an inspect and returns json

test/e2e/pod_inspect_test.go

@@ -1,9 +1,6 @@
 package integration
 
 import (
-	"encoding/json"
-
-	"github.com/containers/podman/v4/libpod/define"
 	. "github.com/containers/podman/v4/test/utils"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -69,9 +66,7 @@ var _ = Describe("Podman pod inspect", func() {
 		inspectOut.WaitWithDefaultTimeout()
 		Expect(inspectOut).Should(ExitCleanly())
 
-		inspectJSON := new(define.InspectPodData)
-		err := json.Unmarshal(inspectOut.Out.Contents(), inspectJSON)
-		Expect(err).ToNot(HaveOccurred())
+		inspectJSON := inspectOut.InspectPodToJSON()
 		Expect(inspectJSON.InfraConfig).To(Not(BeNil()))
 		Expect(inspectJSON.InfraConfig.PortBindings["80/tcp"]).To(HaveLen(1))
 		Expect(inspectJSON.InfraConfig.PortBindings["80/tcp"][0]).To(HaveField("HostPort", "8383"))

test/system/200-pod.bats

@@ -716,8 +716,8 @@ function thingy_with_unique_id() {
         podid="$output"
         run_podman run -d --pod $podid $IMAGE top -d 2
 
-        run_podman pod inspect $podid
-        result=$(jq -r .CgroupPath <<< $output)
+        run_podman pod inspect $podid --format "{{.CgroupPath}}"
+        result="$output"
         assert "$result" =~ "/" ".CgroupPath is a valid path"
 
         if is_cgroupsv2; then