Fix docker CI. (#1494)

Backport of ansible-collections/community.docker#50 to stable-1.

tests/integration/targets/docker_container/tasks/tests/image-ids.yml

@@ -11,7 +11,7 @@
     name: "{{ image }}"
     source: pull
   loop:
-    - "{{ docker_test_image_hello_world }}:latest"
+    - "{{ docker_test_image_hello_world }}"
     - "{{ docker_test_image_alpine }}"
   loop_control:
     loop_var: image
@@ -19,7 +19,7 @@
 - name: Get image ID of {{ docker_test_image_hello_world }} and {{ docker_test_image_alpine }} images
   docker_image_info:
     name:
-    - "{{ docker_test_image_hello_world }}:latest"
+    - "{{ docker_test_image_hello_world }}"
     - "{{ docker_test_image_alpine }}"
   register: image_info
 
@@ -103,25 +103,25 @@
       - create_6.container.Image == image_info.images[1].Id
       - create_6.container.Id == create_4.container.Id  # make sure container wasn't recreated
 
-- name: Create container with {{ docker_test_image_hello_world }} image via old digest
+- name: Create container with {{ docker_test_image_digest_base }} image via old digest
   docker_container:
-    image: "{{ docker_test_image_hello_world }}@sha256:{{ docker_test_image_hello_world_digest_v1 }}"
+    image: "{{ docker_test_image_digest_base }}@sha256:{{ docker_test_image_digest_v1 }}"
     name: "{{ cname }}"
     state: present
     force_kill: yes
   register: digest_1
 
-- name: Create container with {{ docker_test_image_hello_world }} image via old digest (idempotent)
+- name: Create container with {{ docker_test_image_digest_base }} image via old digest (idempotent)
   docker_container:
-    image: "{{ docker_test_image_hello_world }}@sha256:{{ docker_test_image_hello_world_digest_v1 }}"
+    image: "{{ docker_test_image_digest_base }}@sha256:{{ docker_test_image_digest_v1 }}"
     name: "{{ cname }}"
     state: present
     force_kill: yes
   register: digest_2
 
-- name: Update container with {{ docker_test_image_hello_world }} image via new digest
+- name: Update container with {{ docker_test_image_digest_base }} image via new digest
   docker_container:
-    image: "{{ docker_test_image_hello_world }}@sha256:{{ docker_test_image_hello_world_digest_v2 }}"
+    image: "{{ docker_test_image_digest_base }}@sha256:{{ docker_test_image_digest_v2 }}"
     name: "{{ cname }}"
     state: present
     force_kill: yes

tests/integration/targets/docker_container/tasks/tests/options.yml

@@ -587,12 +587,6 @@
     #      of hello-world. We don't know why this happens, but it happens
     #      often enough to be annoying. That's why we disable this for now,
     #      and simply test that 'Output' is contained in the result.
-    # NOTE {{ docker_test_image_hello_world }} is no longer necessarily the
-    #      hello-world image, so we potentially have a different output
-    #      anyway. If someone wants to revive this test, it's probably best
-    #      to keep {{ docker_test_image_hello_world }} as some image that
-    #      has 'echo' and execute 'echo "Hello from Docker!"' or something
-    #      like that.
     - "'Output' in detach_no_cleanup.container"
     # - "'Hello from Docker!' in detach_no_cleanup.container.Output"
     - detach_no_cleanup_cleanup is changed