From 309618ce0839da6ec6b1d4d90a9666ff19c74151 Mon Sep 17 00:00:00 2001
From: Robin Stumm <robin.stumm@iohk.io>
Date: Thu, 21 Jul 2022 13:09:48 +0200
Subject: [PATCH] fix container stats endpoint response handling

Podman 4.1.1 changed the REST API HTTP status for stopped containers
from 404 to 200.

fix #182
---
 api/container_stats.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/api/container_stats.go b/api/container_stats.go
index 5defc332..52a99395 100644
--- a/api/container_stats.go
+++ b/api/container_stats.go
@@ -38,6 +38,12 @@ func (c *API) ContainerStats(ctx context.Context, name string) (Stats, error) {
 	if err != nil {
 		return stats, err
 	}
+
+	// Since podman 4.1.1, an empty 200 response is returned for stopped containers.
+	if len(body) == 0 {
+		return stats, ContainerNotFound
+	}
+
 	err = json.Unmarshal(body, &stats)
 	if err != nil {
 		return stats, err