Adding simple Podman insecure registry support (#2060)

Signed-off-by: Matthias Wessendorf <mwessend@redhat.com>

hack/registry.sh

@@ -8,6 +8,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+CONTAINER_ENGINE=${CONTAINER_ENGINE:-docker}
 export TERM="${TERM:-dumb}"
 
 main() {
@@ -16,18 +17,34 @@ main() {
 
   echo "${em}Configuring for CI...${me}"
 
-  set_registry_insecure
+
+  # Check the value of CONTAINER_ENGINE
+  echo 'Setting registry as trusted local-only'
+  if [ "$CONTAINER_ENGINE" == "docker" ]; then
+      set_registry_insecure
+  elif [ "$CONTAINER_ENGINE" == "podman" ]; then
+      set_registry_insecure_podman
+  fi
 
   echo "${em}DONE${me}"
 
 }
 
 set_registry_insecure() {
-    echo 'Setting registry as trusted local-only'
     patch=".\"insecure-registries\" = [\"localhost:50000\""]
     sudo jq "$patch" /etc/docker/daemon.json > /tmp/daemon.json.tmp && sudo mv /tmp/daemon.json.tmp /etc/docker/daemon.json
     sudo service docker restart
 }
 
+set_registry_insecure_podman() {
+    FILE="/etc/containers/registries.conf"
+
+    # Check if the section exists
+    if ! sudo grep -q "\[\[registry-insecure-local\]\]" "$FILE"; then
+        # Append the new section to the file
+        echo -e "\n[[registry-insecure-local]]\nlocation = \"localhost:50000\"\ninsecure = true" | sudo tee -a "$FILE" > /dev/null
+    fi
+}
+
 main "$@"