plugins: factor out read_file

1 files changed, 34 insertions, 0 deletions

diff --git a/plugins/module_utils/file.py b/plugins/module_utils/file.py
new file mode 100644
index 0000000..86a4f27
--- /dev/null
+++ b/plugins/module_utils/file.py
@@ -0,0 +1,34 @@
+import base64
+
+from ansible.errors import AnsibleActionFail
+from ansible.module_utils.common.text.converters import to_text
+
+
+def does_file_exist(action, path, task_vars):
+    stat_result = action._execute_module(
+        module_name='ansible.builtin.stat',
+        module_args=dict(
+            path=path,
+            get_attributes=False,
+            get_checksum=False,
+            get_mime=False,
+        ),
+        task_vars=task_vars,
+    )
+    if stat_result.get('failed'):
+        raise AnsibleActionFail(f"Couldn't stat file {path}", result=stat_result)
+    return stat_result['stat']['exists']
+
+
+def read_file(action, path, task_vars, default=False):
+    if default is not None:
+        if not does_file_exist(action, path, task_vars):
+            return default
+    read_result = action._execute_module(
+        module_name='ansible.builtin.slurp',
+        module_args=dict(src=path),
+        task_vars=task_vars,
+    )
+    if read_result.get('failed'):
+        raise AnsibleActionFail(f"Couldn't read file {path}", result=read_result)
+    return base64.b64decode(to_text(read_result['content'])).decode('utf-8')