Restore headers of optional information in 'podman pod ps'

When optional information such as container IDs and names in pods, the
headers are not displayed. This fix restored the headers.

Documentation of this subcommand is also updated.

Signed-off-by: Hironori Shiina <shiina.hironori@jp.fujitsu.com>

1 files changed, 27 insertions, 32 deletions

diff --git a/docs/source/markdown/podman-pod-ps.1.md b/docs/source/markdown/podman-pod-ps.1.md
index c1f5fd5e3..156adccaa 100644
--- a/docs/source/markdown/podman-pod-ps.1.md
+++ b/docs/source/markdown/podman-pod-ps.1.md
@@ -12,7 +12,9 @@ By default it lists:
 
  * pod id
  * pod name
+ * the time the pod was created
  * number of containers attached to pod
+ * container id of the pod infra container
  * status of pod as defined by the following table
 
 |  **Status**  | **Description**                                 |
@@ -28,15 +30,15 @@ By default it lists:
 
 #### **--ctr-names**
 
-Includes the container names in the container info field
+Display the container names
 
 #### **--ctr-ids**
 
-Includes the container IDs in the container info field
+Display the container IDs
 
 #### **--ctr-status**
 
-Includes the container statuses in the container info field
+Display the container statuses
 
 #### **--latest**, **-l**
 
@@ -111,62 +113,55 @@ Print usage statement
 
 ```
 $ podman pod ps
-POD ID         NAME              STATUS    NUMBER OF CONTAINERS
-00dfd6fa02c0   jolly_goldstine   Running   1
-f4df8692e116   nifty_torvalds    Created   2
+POD ID         NAME              STATUS    CREATED          INFRA ID       # OF CONTAINERS
+00dfd6fa02c0   jolly_goldstine   Running   31 hours ago     ba465ab0a3a4   1
+f4df8692e116   nifty_torvalds    Created   10 minutes ago   331693bff40a   2
 ```
 
 ```
 $ podman pod ps --ctr-names
-POD ID         NAME              STATUS    CONTAINER INFO
-00dfd6fa02c0   jolly_goldstine   Running   [ loving_archimedes ]
-f4df8692e116   nifty_torvalds    Created   [ thirsty_hawking ] [ wizardly_golick ]
+POD ID         NAME              STATUS    CREATED          INFRA ID       NAMES
+00dfd6fa02c0   jolly_goldstine   Running   31 hours ago     ba465ab0a3a4   loving_archimedes
+f4df8692e116   nifty_torvalds    Created   10 minutes ago   331693bff40a   thirsty_hawking,wizardly_golick
 ```
 
 ```
 $ podman pod ps --ctr-status --ctr-names --ctr-ids
-POD ID         NAME              STATUS    CONTAINER INFO
-00dfd6fa02c0   jolly_goldstine   Running   [ ba465ab0a3a4 loving_archimedes Running ]
-f4df8692e116   nifty_torvalds    Created   [ 331693bff40a thirsty_hawking Created ] [ 8e428daeb89e wizardly_golick Created ]
+POD ID         NAME              STATUS    CREATED          INFRA ID       IDS                         NAMES                             STATUS
+00dfd6fa02c0   jolly_goldstine   Running   31 hours ago     ba465ab0a3a4   ba465ab0a3a4                loving_archimedes                 running
+f4df8692e116   nifty_torvalds    Created   10 minutes ago   331693bff40a   331693bff40a,8e428daeb89e   thirsty_hawking,wizardly_golick   configured,configured
 ```
 
 ```
-$ podman pod ps --format "{{.ID}}  {{.ContainerInfo}}  {{.Cgroup}}" --ctr-names
-00dfd6fa02c0      [ loving_archimedes ]                         /libpod_parent
-f4df8692e116      [ thirsty_hawking ] [ wizardly_golick ]       /libpod_parent
-```
-
-```
-$ podman pod ps --cgroup
-POD ID         NAME              STATUS    NUMBER OF CONTAINERS   CGROUP           USE POD CGROUP
-00dfd6fa02c0   jolly_goldstine   Running   1                      /libpod_parent   true
-f4df8692e116   nifty_torvalds    Created   2                      /libpod_parent   true
+$ podman pod ps --format "{{.ID}}  {{.ContainerNames}}  {{.Cgroup}}"
+00dfd6fa02c0   loving_archimedes   /libpod_parent
+f4df8692e116   thirsty_hawking,wizardly_golick   /libpod_parent
 ```
 
 ```
 $ podman pod ps --sort id --filter ctr-number=2
-POD ID         NAME             STATUS    NUMBER OF CONTAINERS
-f4df8692e116   nifty_torvalds   Created   2
+POD ID         NAME             STATUS    CREATED          INFRA ID       # OF CONTAINERS
+f4df8692e116   nifty_torvalds   Created   10 minutes ago   331693bff40a   2
 ```
 
 ```
 $ podman pod ps  --ctr-ids
-POD ID         NAME              STATUS    CONTAINER INFO
-00dfd6fa02c0   jolly_goldstine   Running   [ ba465ab0a3a4 ]
-f4df8692e116   nifty_torvalds    Created   [ 331693bff40a ] [ 8e428daeb89e ]
+POD ID         NAME              STATUS    CREATED          INFRA ID       IDS
+00dfd6fa02c0   jolly_goldstine   Running   31 hours ago     ba465ab0a3a4   ba465ab0a3a4
+f4df8692e116   nifty_torvalds    Created   10 minutes ago   331693bff40a   331693bff40a,8e428daeb89e
 ```
 
 ```
 $ podman pod ps --no-trunc --ctr-ids
-POD ID                                                             NAME              STATUS    CONTAINER INFO
-00dfd6fa02c0a2daaedfdf8fcecd06f22ad114d46d167d71777224735f701866   jolly_goldstine   Running   [ ba465ab0a3a4e15e3539a1e79c32d1213a02b0989371e274f98e0f1ae9de7050 ]
-f4df8692e116a3e6d1d62572644ed36ca475d933808cc3c93435c45aa139314b   nifty_torvalds    Created   [ 331693bff40a0ef2f05a3aba73ce49e3243108911927fff04d1f7fc44dda8022 ] [ 8e428daeb89e69b71e7916a13accfb87d122889442b5c05c2d99cf94a3230e9d ]
+POD ID                                                             NAME              STATUS    CREATED          INFRA ID                                                           IDS
+00dfd6fa02c0a2daaedfdf8fcecd06f22ad114d46d167d71777224735f701866   jolly_goldstine   Running   31 hours ago     ba465ab0a3a4e15e3539a1e79c32d1213a02b0989371e274f98e0f1ae9de7050   ba465ab0a3a4e15e3539a1e79c32d1213a02b0989371e274f98e0f1ae9de7050
+f4df8692e116a3e6d1d62572644ed36ca475d933808cc3c93435c45aa139314b   nifty_torvalds    Created   10 minutes ago   331693bff40a926b6d52b184e116afd15497610c378d5d4c42945dd6e33b75b0   331693bff40a926b6d52b184e116afd15497610c378d5d4c42945dd6e33b75b0,8e428daeb89e69b71e7916a13accfb87d122889442b5c05c2d99cf94a3230e9d
 ```
 
 ```
 $ podman pod ps --ctr-names
-POD ID         NAME   STATUS    CONTAINER INFO
-314f4da82d74   hi     Created   [ jovial_jackson ] [ hopeful_archimedes ] [ vibrant_ptolemy ] [ heuristic_jennings ] [ keen_raman ] [ hopeful_newton ] [ mystifying_bose ] [ silly_lalande ] [ serene_lichterman ] ...
+POD ID         NAME   STATUS    CREATED        INFRA ID       NAMES
+314f4da82d74   hi     Created   17 hours ago   a9f2d2165675   jovial_jackson,hopeful_archimedes,vibrant_ptolemy,heuristic_jennings,keen_raman,hopeful_newton,mystifying_bose,silly_lalande,serene_lichterman ...
 ```
 
 ## pod ps