CI: fix GHA by downgrading Docker (#1244)

* Show more information on Docker.

* Downgrade Docker on GHA.

.github/workflows/nox.yml

@@ -31,5 +31,28 @@ jobs:
       upload-codecov-push: false
       upload-codecov-schedule: true
       max-ansible-core: "2.17"
+      # For some reason GitHub decided to bump Docker on the ubuntu-24.04 image,
+      # which is not compatible with podman and various other things.
+      pre-test-cmd-integration: |-
+        # See https://docs.docker.com/engine/install/ubuntu/.
+
+        # Add Docker's official GPG key:
+        sudo apt update
+        sudo apt install ca-certificates curl
+        sudo install -m 0755 -d /etc/apt/keyrings
+        sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+        sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+        # Add the repository to Apt sources:
+        sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
+        Types: deb
+        URIs: https://download.docker.com/linux/ubuntu
+        Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
+        Components: stable
+        Signed-By: /etc/apt/keyrings/docker.asc
+        EOF
+
+        sudo apt update
+        sudo apt-get install -y --allow-downgrades docker-ce-cli=5:28.0.4-1~ubuntu.24.04~noble docker-ce=5:28.0.4-1~ubuntu.24.04~noble
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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

@@ -70,6 +70,26 @@
             state: touch
           when: docker_skip_cleanup
 
+        - name: Retrieve more information (0/4)
+          ansible.builtin.command:
+            cmd: sh -c export
+
+        - name: Retrieve more information (1/4)
+          ansible.builtin.command:
+            cmd: docker version
+
+        - name: Retrieve more information (2/4)
+          ansible.builtin.command:
+            cmd: docker info
+
+        - name: Retrieve more information (3/4)
+          ansible.builtin.command:
+            cmd: docker context ls
+
+        - name: Retrieve more information (4/4)
+          ansible.builtin.command:
+            cmd: which docker
+
     # Detect docker API version
     - name: Check Docker API version
       ansible.builtin.command: "docker version -f {% raw %}'{{(index .Server.Components 0).Details.ApiVersion}}'{% endraw %}"

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

@@ -63,4 +63,8 @@
               {{ docker_cli_plugins_stdout.stdout | from_json | selectattr('Name', 'eq', 'compose') | map(attribute='Version') | first | default('0.0') | regex_replace('^v', '') }}
 
     - ansible.builtin.debug:
-        msg: "Has Docker compoes plugin: {{ docker_has_compose }}; Docker compose plugin version: {{ docker_compose_version }}"
+        msg: "Has Docker compose plugin: {{ docker_has_compose }}; Docker compose plugin version: {{ docker_compose_version }}"
+
+    - name: Retrieve more information
+      ansible.builtin.command:
+        cmd: docker version