Update env_file to accept a list of files instead of a single file (#702)

* Update env_file to accept a list of files instead of a single file

Signed-off-by: antoine <antoine.blin@gandi.net>

* Update doc: add alias env_files

Signed-off-by: antoine <antoine.blin@gandi.net>

* Update plugins/module_utils/podman/podman_container_lib.py

Use real arg name and not alias

Co-authored-by: Sergey <6213510+sshnaidm@users.noreply.github.com>

---------

Signed-off-by: antoine <antoine.blin@gandi.net>
Co-authored-by: Sergey <6213510+sshnaidm@users.noreply.github.com>

plugins/module_utils/podman/podman_container_lib.py

@@ -57,7 +57,7 @@ ARGUMENTS_SPEC_CONTAINER = dict(
     dns_search=dict(type='str', aliases=['dns_search_domains']),
     entrypoint=dict(type='str'),
     env=dict(type='dict'),
-    env_file=dict(type='path'),
+    env_file=dict(type='list', elements='path', aliases=['env_files']),
     env_host=dict(type='bool'),
     etc_hosts=dict(type='dict', aliases=['add_hosts']),
     expose=dict(type='list', elements='str', aliases=[
@@ -407,7 +407,9 @@ class PodmanModuleParams:
         return c
 
     def addparam_env_file(self, c):
-        return c + ['--env-file', self.params['env_file']]
+        for env_file in self.params['env_file']:
+            c += ['--env-file', env_file]
+        return c
 
     def addparam_env_host(self, c):
         self.check_version('--env-host', minv='1.5.0')

plugins/modules/podman_container.py

@@ -295,7 +295,10 @@ options:
         running, not on the controller machine where Ansible is executing.
         If you need to copy the file from controller to remote machine, use the
         copy or slurp module.
-    type: path
+    type: list
+    elements: path
+    aliases:
+      - env_files
   env_host:
     description:
       - Use all current host environment variables in container.