Replace library/busybox with lighter container repo (#20671)

(cherry picked from commit 8ac73bc)

Author: lpramuk

conf/container.yaml.template

@@ -4,7 +4,7 @@ CONTAINER:
     - docker
     - podman
   REGISTRY_HUB: https://mirror.gcr.io
-  UPSTREAM_NAME: 'library/busybox'
+  UPSTREAM_NAME: jmalloc/echo-server
   ALTERNATIVE_UPSTREAM_NAMES:
     - hello-world
     - alpine

robottelo/config/validators.py

@@ -119,7 +119,7 @@
             'container.upstream_name',
             must_exist=True,
             is_type_of=str,
-            default='library/busybox',
+            default='jmalloc/echo-server',
         ),
         Validator(
             'container.alternative_upstream_names',

tests/foreman/cli/test_container_management.py

@@ -11,6 +11,7 @@
 """
 
 from datetime import UTC, datetime
+import re
 
 from box import Box
 from fauxfactory import gen_string
@@ -95,16 +96,18 @@ def test_positive_pull_image(
             )
             assert result.status == 0
             try:
-                result = module_container_contenthost.execute(f'docker run {repo["published-at"]}')
+                result = module_container_contenthost.execute(
+                    f'docker run -d {repo["published-at"]}'
+                )
                 assert result.status == 0
+                match = re.match(r'^[0-9a-f]+$', result.stdout)
+                if match:
+                    container_id = match.group(0)
             finally:
                 # Stop and remove the container
-                result = module_container_contenthost.execute(
-                    f'docker ps -a | grep {repo["published-at"]}'
-                )
-                container_id = result.stdout[0].split()[0]
-                module_container_contenthost.execute(f'docker stop {container_id}')
-                module_container_contenthost.execute(f'docker rm {container_id}')
+                if container_id:
+                    module_container_contenthost.execute(f'docker stop {container_id}')
+                    module_container_contenthost.execute(f'docker rm {container_id}')
         finally:
             # Remove docker image
             module_container_contenthost.execute(f'docker rmi {repo["published-at"]}')