Fix podman unpause,pause,kill --all to work like podman stop --all

Currently if you execute podman unpause --all, podman pause --all
Podman shows attempts to unpause containers that are not paused
and prints an error.  This PR catches this error and only prints errors if
a paused container was not able to be unpaused.

Currently if you execute podman pause --all or podman kill --all, Podman
Podman shows attempts to pause or kill containers that are not running
and prints an error.  This PR catches this error and only prints errors if
a running container was not able to be paused or killed.

Also change printing of multiple errors to go to stderr and to prefix
"Error: " in front to match the output of the last error.

Fixes: https://github.com/containers/podman/issues/11098

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/test/system/080-pause.bats b/test/system/080-pause.bats
index ea4c85f8f..1eb47dcfb 100644
--- a/test/system/080-pause.bats
+++ b/test/system/080-pause.bats
@@ -57,4 +57,23 @@ load helpers
     run_podman 125 unpause $cname
 }
 
+@test "podman unpause --all" {
+    if is_rootless && ! is_cgroupsv2; then
+        skip "'podman pause' (rootless) only works with cgroups v2"
+    fi
+
+    cname=$(random_string 10)
+    run_podman create --name notrunning $IMAGE
+    run_podman run -d --name $cname $IMAGE sleep 100
+    cid="$output"
+    run_podman pause $cid
+    run_podman inspect --format '{{.State.Status}}' $cid
+    is "$output" "paused" "podman inspect .State.Status"
+    run_podman unpause --all
+    is "$output" "$cid" "podman unpause output"
+    run_podman ps --format '{{.ID}} {{.Names}} {{.Status}}'
+    is "$output" "${cid:0:12} $cname Up.*" "podman ps on resumed container"
+    run_podman rm -f $cname
+    run_podman rm -f notrunning
+}
 # vim: filetype=sh