Fix multi-image support for podman_save (#672)

Fix #670
Signed-off-by: Sagi Shnaidman <sshnaidm@redhat.com>

plugins/modules/podman_save.py

@@ -20,7 +20,8 @@ options:
   image:
     description:
     - Image to save.
-    type: str
+    type: list
+    elements: str
     required: true
   compress:
     description:
@@ -70,9 +71,14 @@ RETURN = '''
 EXAMPLES = '''
 # What modules does for example
 - containers.podman.podman_save:
-    dest: /path/to/tar/file
-    compress: true
-    format: oci-dir
+    image: nginx
+    dest: /tmp/file123.tar
+- containers.podman.podman_save:
+    image:
+      - nginx
+      - fedora
+    dest: /tmp/file456.tar
+    multi_image_archive: true
 '''
 
 import os  # noqa: E402
@@ -92,7 +98,8 @@ def save(module, executable):
     for param in module.params:
         if module.params[param] is not None and param in cmd_args:
             command += cmd_args[param]
-    command.append(module.params['image'])
+    for img in module.params['image']:
+        command.append(img)
     if module.params['force']:
         dest = module.params['dest']
         if os.path.exists(dest):
@@ -116,7 +123,7 @@ def save(module, executable):
 def main():
     module = AnsibleModule(
         argument_spec=dict(
-            image=dict(type='str', required=True),
+            image=dict(type='list', elements='str', required=True),
             compress=dict(type='bool'),
             dest=dict(type='str', required=True, aliases=['path']),
             format=dict(type='str', choices=['docker-archive', 'oci-archive', 'oci-dir', 'docker-dir']),

tests/integration/targets/podman_save/tasks/main.yml

@@ -2,12 +2,15 @@
 - name: Pull image
   containers.podman.podman_image:
     executable: "{{ test_executable | default('podman') }}"
-    name: k8s.gcr.io/pause
+    name: "{{ item }}"
+  loop:
+    - registry.k8s.io/pause
+    - registry.k8s.io/coredns/coredns:v1.9.3
 
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/image.tar
 
 - name: Check file
@@ -23,7 +26,7 @@
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/image.tar
     force: true
 
@@ -40,7 +43,7 @@
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/imagedir
     format: oci-dir
 
@@ -57,7 +60,7 @@
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/imagedir-docker
     force: true
     format: docker-dir
@@ -66,7 +69,7 @@
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/imagedir
     force: true
     format: oci-dir
@@ -84,7 +87,7 @@
 - name: Save image
   containers.podman.podman_save:
     executable: "{{ test_executable | default('podman') }}"
-    image: k8s.gcr.io/pause
+    image: registry.k8s.io/pause
     dest: /tmp/image2.tar
     multi_image_archive: true
 
@@ -97,3 +100,22 @@
   assert:
     that:
       - img.stat.exists
+
+- name: Save multi image
+  containers.podman.podman_save:
+    executable: "{{ test_executable | default('podman') }}"
+    image:
+      - registry.k8s.io/pause
+      - registry.k8s.io/coredns/coredns:v1.9.3
+    dest: /tmp/image-multi.tar
+    multi_image_archive: true
+
+- name: Check mult image file
+  stat:
+    path: /tmp/image-multi.tar
+  register: img
+
+- name: Check multi image is saved
+  assert:
+    that:
+      - img.stat.exists