The next expected release will be 5.1.0.

* Remove long deprecated version fields.

* Add first JSON event parsing tests.

* Improve image layer event parsing for Compose 5+.

* Add 'Working' to image working actions.

* Add changelog fragment.

* Shorten lines.

* Adjust docker_compose_v2_run tests.

CHANGELOG.rst

@@ -4,6 +4,20 @@ Docker Community Collection Release Notes
 
 .. contents:: Topics
 
+v5.0.4
+======
+
+Release Summary
+---------------
+
+Bugfix release.
+
+Bugfixes
+--------
+
+- CLI-based modules - when parsing JSON output fails, also provide standard error output. Also provide information on the command and its result in machine-readable way (https://github.com/ansible-collections/community.docker/issues/1216, https://github.com/ansible-collections/community.docker/pull/1221).
+- docker_compose_v2, docker_compose_v2_pull - adjust parsing from image pull events to changes in Docker Compose 5.0.0 (https://github.com/ansible-collections/community.docker/pull/1219).
+
 v5.0.3
 ======
 

changelogs/changelog.yaml

@@ -2330,3 +2330,18 @@ releases:
       - 1214-docker_container-ports.yml
       - 5.0.3.yml
     release_date: '2025-11-29'
+  5.0.4:
+    changes:
+      bugfixes:
+        - CLI-based modules - when parsing JSON output fails, also provide standard
+          error output. Also provide information on the command and its result in
+          machine-readable way (https://github.com/ansible-collections/community.docker/issues/1216,
+          https://github.com/ansible-collections/community.docker/pull/1221).
+        - docker_compose_v2, docker_compose_v2_pull - adjust parsing from image pull
+          events to changes in Docker Compose 5.0.0 (https://github.com/ansible-collections/community.docker/pull/1219).
+      release_summary: Bugfix release.
+    fragments:
+      - 1219-compose-v2-pull.yml
+      - 1221-cli-json-errors.yml
+      - 5.0.4.yml
+    release_date: '2025-12-06'

plugins/module_utils/_common_cli.py

@@ -197,7 +197,11 @@ class AnsibleDockerClientBase:
             data = json.loads(stdout)
         except Exception as exc:  # pylint: disable=broad-exception-caught
             self.fail(
-                f"Error while parsing JSON output of {self._compose_cmd_str(args)}: {exc}\nJSON output: {to_text(stdout)}"
+                f"Error while parsing JSON output of {self._compose_cmd_str(args)}: {exc}\nJSON output: {to_text(stdout)}\n\nError output:\n{to_text(stderr)}",
+                cmd=self._compose_cmd_str(args),
+                rc=rc,
+                stdout=stdout,
+                stderr=stderr,
             )
         return rc, data, stderr
 
@@ -223,7 +227,11 @@ class AnsibleDockerClientBase:
                     result.append(json.loads(line))
         except Exception as exc:  # pylint: disable=broad-exception-caught
             self.fail(
-                f"Error while parsing JSON output of {self._compose_cmd_str(args)}: {exc}\nJSON output: {to_text(stdout)}"
+                f"Error while parsing JSON output of {self._compose_cmd_str(args)}: {exc}\nJSON output: {to_text(stdout)}\n\nError output:\n{to_text(stderr)}",
+                cmd=self._compose_cmd_str(args),
+                rc=rc,
+                stdout=stdout,
+                stderr=stderr,
             )
         return rc, result, stderr
 

plugins/module_utils/_compose_v2.py

@@ -132,7 +132,7 @@ DOCKER_PULL_PROGRESS_DONE = frozenset(
         "Pull complete",
     )
 )
-DOCKER_PULL_PROGRESS_WORKING = frozenset(
+DOCKER_PULL_PROGRESS_WORKING_OLD = frozenset(
     (
         "Pulling fs layer",
         "Waiting",
@@ -141,6 +141,7 @@ DOCKER_PULL_PROGRESS_WORKING = frozenset(
         "Extracting",
     )
 )
+DOCKER_PULL_PROGRESS_WORKING = frozenset(DOCKER_PULL_PROGRESS_WORKING_OLD | {"Working"})
 
 
 class ResourceType:
@@ -191,7 +192,7 @@ _RE_PULL_EVENT = re.compile(
 )
 
 _DOCKER_PULL_PROGRESS_WD = sorted(
-    DOCKER_PULL_PROGRESS_DONE | DOCKER_PULL_PROGRESS_WORKING
+    DOCKER_PULL_PROGRESS_DONE | DOCKER_PULL_PROGRESS_WORKING_OLD
 )
 
 _RE_PULL_PROGRESS = re.compile(
@@ -494,7 +495,17 @@ def parse_json_events(
                 # {"dry-run":true,"id":"ansible-docker-test-dc713f1f-container ==> ==>","text":"naming to ansible-docker-test-dc713f1f-image"}
                 # (The longer form happens since Docker Compose 2.39.0)
                 continue
-            if isinstance(resource_id, str) and " " in resource_id:
+            if (
+                status in ("Working", "Done")
+                and isinstance(line_data.get("parent_id"), str)
+                and line_data["parent_id"].startswith("Image ")
+            ):
+                # Compose 5.0.0+:
+                # {"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working"}
+                # {"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Done","percent":100}
+                resource_type = ResourceType.IMAGE_LAYER
+                resource_id = line_data["parent_id"][len("Image ") :]
+            elif isinstance(resource_id, str) and " " in resource_id:
                 resource_type_str, resource_id = resource_id.split(" ", 1)
                 try:
                     resource_type = ResourceType.from_docker_compose_event(
@@ -513,7 +524,7 @@ def parse_json_events(
                 status, text = text, status
             elif (
                 text in DOCKER_PULL_PROGRESS_DONE
-                or line_data.get("text") in DOCKER_PULL_PROGRESS_WORKING
+                or line_data.get("text") in DOCKER_PULL_PROGRESS_WORKING_OLD
             ):
                 resource_type = ResourceType.IMAGE_LAYER
                 status, text = text, status

tests/integration/targets/docker_compose_v2_pull/tasks/tests/pull.yml

@@ -9,12 +9,10 @@
     non_existing_image: does-not-exist:latest
     project_src: "{{ remote_tmp_dir }}/{{ pname }}"
     test_service_non_existing: |
-      version: '3'
       services:
         {{ cname }}:
           image: {{ non_existing_image }}
     test_service_simple: |
-      version: '3'
       services:
         {{ cname }}:
           image: {{ docker_test_image_simple_1 }}

tests/integration/targets/docker_compose_v2_run/tasks/tests/basic.yml

@@ -77,7 +77,8 @@
         - ansible.builtin.assert:
             that:
               - result_1.rc == 0
-              - result_1.stderr == ""
+              # Since Compose 5, unrelated output shows up in stderr...
+              - result_1.stderr == "" or ("Creating" in result_1.stderr and "Created" in result_1.stderr)
               - >-
                 "usr" in result_1.stdout_lines
                 and

tests/unit/plugins/module_utils/test__compose_v2.py

@@ -9,6 +9,7 @@ import pytest
 from ansible_collections.community.docker.plugins.module_utils._compose_v2 import (
     Event,
     parse_events,
+    parse_json_events,
 )
 
 from .compose_v2_test_cases import EVENT_TEST_CASES
@@ -384,3 +385,208 @@ def test_parse_events(
 
     assert collected_events == events
     assert collected_warnings == warnings
+
+
+JSON_TEST_CASES: list[tuple[str, str, str, list[Event], list[str]]] = [
+    (
+        "pull-compose-2",
+        "2.40.3",
+        '{"level":"warning","msg":"/tmp/ansible.f9pcm_i3.test/ansible-docker-test-3c46cd06-pull/docker-compose.yml: the attribute `version`'
+        ' is obsolete, it will be ignored, please remove it to avoid potential confusion","time":"2025-12-06T13:16:30Z"}\n'
+        '{"id":"ansible-docker-test-3c46cd06-cont","text":"Pulling"}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Pulling fs layer"}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Downloading","status":"[\\u003e    '
+        '                                              ]   6.89kB/599.9kB","current":6890,"total":599883,"percent":1}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Download complete","percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Extracting","status":"[==\\u003e   '
+        '                                             ]  32.77kB/599.9kB","current":32768,"total":599883,"percent":5}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Extracting","status":"[============'
+        '======================================\\u003e]  599.9kB/599.9kB","current":599883,"total":599883,"percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Extracting","status":"[============'
+        '======================================\\u003e]  599.9kB/599.9kB","current":599883,"total":599883,"percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"ansible-docker-test-3c46cd06-cont","text":"Pull complete","percent":100}\n'
+        '{"id":"ansible-docker-test-3c46cd06-cont","text":"Pulled"}\n',
+        [
+            Event(
+                "unknown",
+                None,
+                "Warning",
+                "/tmp/ansible.f9pcm_i3.test/ansible-docker-test-3c46cd06-pull/docker-compose.yml: the attribute `version` is obsolete,"
+                " it will be ignored, please remove it to avoid potential confusion",
+            ),
+            Event(
+                "image",
+                "ansible-docker-test-3c46cd06-cont",
+                "Pulling",
+                None,
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Pulling fs layer",
+                None,
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Downloading",
+                "[>                                                  ]   6.89kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Download complete",
+                None,
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Extracting",
+                "[==>                                                ]  32.77kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Extracting",
+                "[==================================================>]  599.9kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Extracting",
+                "[==================================================>]  599.9kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "63a26ae4e8a8",
+                "Pull complete",
+                None,
+            ),
+            Event(
+                "image",
+                "ansible-docker-test-3c46cd06-cont",
+                "Pulled",
+                None,
+            ),
+        ],
+        [],
+    ),
+    (
+        "pull-compose-5",
+        "5.0.0",
+        '{"level":"warning","msg":"/tmp/ansible.1n0q46aj.test/ansible-docker-test-b2fa9191-pull/docker-compose.yml: the attribute'
+        ' `version` is obsolete, it will be ignored, please remove it to avoid potential confusion","time":"2025-12-06T13:08:22Z"}\n'
+        '{"id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"Pulling"}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working"}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"[\\u003e       '
+        '                                           ]   6.89kB/599.9kB","current":6890,"total":599883,"percent":1}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"[=============='
+        '====================================\\u003e]  599.9kB/599.9kB","current":599883,"total":599883,"percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working"}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Done","percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"[==\\u003e     '
+        '                                           ]  32.77kB/599.9kB","current":32768,"total":599883,"percent":5}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"[=============='
+        '====================================\\u003e]  599.9kB/599.9kB","current":599883,"total":599883,"percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Working","text":"[=============='
+        '====================================\\u003e]  599.9kB/599.9kB","current":599883,"total":599883,"percent":100}\n'
+        '{"id":"63a26ae4e8a8","parent_id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Done","percent":100}\n'
+        '{"id":"Image ghcr.io/ansible-collections/simple-1:tag","status":"Done","text":"Pulled"}\n',
+        [
+            Event(
+                "unknown",
+                None,
+                "Warning",
+                "/tmp/ansible.1n0q46aj.test/ansible-docker-test-b2fa9191-pull/docker-compose.yml: the attribute `version`"
+                " is obsolete, it will be ignored, please remove it to avoid potential confusion",
+            ),
+            Event(
+                "image",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Pulling",
+                "Working",
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                None,
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                "[>                                                  ]   6.89kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                "[==================================================>]  599.9kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                None,
+            ),
+            Event(
+                "image-layer", "ghcr.io/ansible-collections/simple-1:tag", "Done", None
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                "[==>                                                ]  32.77kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                "[==================================================>]  599.9kB/599.9kB",
+            ),
+            Event(
+                "image-layer",
+                "ghcr.io/ansible-collections/simple-1:tag",
+                "Working",
+                "[==================================================>]  599.9kB/599.9kB",
+            ),
+            Event(
+                "image-layer", "ghcr.io/ansible-collections/simple-1:tag", "Done", None
+            ),
+            Event(
+                "image", "ghcr.io/ansible-collections/simple-1:tag", "Pulled", "Done"
+            ),
+        ],
+        [],
+    ),
+]
+
+
+@pytest.mark.parametrize(
+    "test_id, compose_version, stderr, events, warnings",
+    JSON_TEST_CASES,
+    ids=[tc[0] for tc in JSON_TEST_CASES],
+)
+def test_parse_json_events(
+    test_id: str,
+    compose_version: str,
+    stderr: str,
+    events: list[Event],
+    warnings: list[str],
+) -> None:
+    collected_warnings = []
+
+    def collect_warning(msg: str) -> None:
+        collected_warnings.append(msg)
+
+    collected_events = parse_json_events(
+        stderr.encode("utf-8"),
+        warn_function=collect_warning,
+    )
+
+    print(collected_events)
+    print(collected_warnings)
+
+    assert collected_events == events
+    assert collected_warnings == warnings