Add json output for images subcommand

src/ansible_navigator/actions/images.py

@@ -148,7 +148,7 @@ def run_stdout(self) -> RunStdoutReturn:
             filtered.append(filter_content_keys(image))
         print_to_stdout(
             content=filtered,
-            content_format=ContentFormat.YAML,
+            content_format=getattr(ContentFormat, self._args.format.upper()),
             use_color=self._args.display_color,
         )
         return RunStdoutReturn(message="", return_code=0)

src/ansible_navigator/configuration_subsystem/navigator_configuration.py

@@ -398,7 +398,7 @@ class Internals:
             choices=["json", "yaml"],
             cli_parameters=CliParameters(short="--fmt"),
             short_description="Specify the format for stdout output.",
-            subcommands=["collections"],
+            subcommands=["collections", "images"],
             value=SettingsEntryValue(default="yaml"),
             version_added="v2.3",
         ),

tests/fixtures/integration/actions/images/test_stdout_tmux.py/test/4.json

@@ -0,0 +1,28 @@
+{
+    "name": "test[clear-&&-ansible-navigator-images---ee-true---ll-debug---mode-stdout---format-json--|-grep-creator-print-image-details-as-json-output-['name:-creator-ee']-[]-true-4-search-for-help]",
+    "index": 4,
+    "comment": "print image details as json output",
+    "additional_information": {
+        "present": [
+            "name: creator-ee"
+        ],
+        "absent": [],
+        "compared_fixture": false
+    },
+    "output": [
+        "  full_name: ghcr.io/ansible/creator-ee:v0.13.0",
+        "          org.opencontainers.image.source: https://github.com/ansible/creator-ee",
+        "        created_by: '/bin/sh -c #(nop) LABEL org.opencontainers.image.source https://github.com/ansible/creator-ee/blob/main/base/Containerfile'",
+        "      - comment: FROM creator-base",
+        "        created_by: '/bin/sh -c #(nop) LABEL org.opencontainers.image.source https://github.com/ansible/creator-ee'",
+        "        org.opencontainers.image.source: https://github.com/ansible/creator-ee",
+        "      - ghcr.io/ansible/creator-ee:v0.13.0",
+        "      - ghcr.io/ansible/creator-ee@sha256:341e9bee3198244600f7553a9844698717c208080eb6d32f42d4c223dcc0bcb0",
+        "      - ghcr.io/ansible/creator-ee@sha256:b01b5f96fd07d1df1437fa34bef6dfeb960851c35e678243b5c730bfab9842ad",
+        "      - ghcr.io/ansible/creator-ee:v0.13.0",
+        "  name: creator-ee",
+        "  name_tag: creator-ee:v0.13.0 (primary)",
+        "  repository: ghcr.io/ansible/creator-ee",
+        "(venv) bash$"
+    ]
+}

tests/integration/actions/images/test_stdout_tmux.py

@@ -86,6 +86,17 @@ class ShellCommand(UiTestStep):
             "must be one or more of",
         ],
     ),
+    ShellCommand(
+        comment="print image details as json output",
+        user_input=StdoutCommand(
+            cmdline="",
+            mode="stdout",
+            format="json",
+            execution_environment=True,
+            raw_append=" | grep creator",
+        ).join(),
+        present=['"name": "creator-ee"'],
+    ),
 )
 
 steps = add_indices(stdout_tests)