Modify scripts/check_galaxy to return more descriptive error message(s)

src/ansible_builder/_target_scripts/check_galaxy

@@ -26,11 +26,13 @@ if [ $? -ne 0 ]
 then
     cat<<EOF
 **********************************************************************
-ERROR - Missing Ansible installation
+ERROR - 'ansible-galaxy' command not functioning as expected
 
-  The 'ansible-galaxy' command is not found in the base image. This
-  image is used to create the intermediary image that performs the
-  Galaxy collection and role installation process.
+  There was an error running the 'ansible-galaxy' command. Some
+  possible causes are 'ansible-core' missing from the base image, an
+  incorrect 'ansible.cfg', or 'ansible-galaxy' not being available to
+  the selected Python interpreter. Please use the -vvv option to
+  examine the build output for any errors.
 
   Ansible must be installed in the base image. If you are using a
   recent enough version of the execution environment file, you may

test/data/v3/check_galaxy/ee-bad-ansible-cfg.yml

@@ -0,0 +1,25 @@
+version: 3
+
+images:
+  base_image:
+    name: quay.io/centos/centos:stream9
+
+dependencies:
+  ansible_core:
+    package_pip: ansible-core
+  ansible_runner:
+    package_pip: ansible-runner
+  galaxy:
+    collections:
+      - containers.podman
+
+options:
+  package_manager_path: '/bin/true'
+
+additional_build_files:
+  - src: ./files/bad_ansible.cfg
+    dest: configs
+
+additional_build_steps:
+  prepend_galaxy:
+    - COPY _build/configs/bad_ansible.cfg /etc/ansible/ansible.cfg

test/data/v3/check_galaxy/files/bad_ansible.cfg

@@ -0,0 +1,3 @@
+# Bad ansible.cfg
+[defaults]
+==?k,sm../a

test/integration/test_build.py

@@ -348,3 +348,22 @@ def test_missing_runner(cli, runtime, ee_tag, data_dir, tmp_path):
         )
 
     assert "ERROR - Missing Ansible Runner installation" in einfo.value.stdout
+
+
+@pytest.mark.test_all_runtimes
+def test_bad_ansible_cfg(cli, runtime, ee_tag, data_dir, tmp_path):
+    """
+    Test that the check_galaxy script will cause build failure with
+    incorrect ansible.cfg
+    """
+    ee_def = data_dir / 'v3' / 'check_galaxy' / 'ee-bad-ansible-cfg.yml'
+
+    with pytest.raises(subprocess.CalledProcessError) as einfo:
+        cli(
+            f'ansible-builder build -c {tmp_path} -f {ee_def} -t {ee_tag} '
+            f'--container-runtime={runtime} -v3'
+        )
+
+    assert "ERROR - 'ansible-galaxy' command not functioning as expected" in einfo.value.stdout
+    assert ("ERROR: Error reading config file (/etc/ansible/ansible.cfg): "
+            "Source contains parsing errors:") in einfo.value.stdout