win_script: work when argument exceeds stdin buffer size (#33855)

* win_script: work when argument exceeds stdin buffer size

* Added test for large argument being passed

lib/ansible/plugins/action/script.py

@@ -22,8 +22,9 @@ import re
 import shlex
 
 from ansible.errors import AnsibleError, AnsibleAction, AnsibleActionDone, AnsibleActionFail, AnsibleActionSkip
-from ansible.module_utils._text import to_native, to_text
+from ansible.module_utils._text import to_bytes, to_native, to_text
 from ansible.plugins.action import ActionBase
+from ansible.plugins.shell.powershell import exec_wrapper
 
 
 class ActionModule(ActionBase):
@@ -114,9 +115,14 @@ class ActionModule(ActionBase):
             script_cmd = self._connection._shell.wrap_for_exec(script_cmd)
 
             exec_data = None
-            # HACK: come up with a sane way to pass around env outside the command
+            # WinRM requires a special wrapper to work with environment variables
             if self._connection.transport == "winrm":
-                exec_data = self._connection._create_raw_wrapper_payload(script_cmd, env_dict)
+                pay = self._connection._create_raw_wrapper_payload(script_cmd,
+                                                                   env_dict)
+                exec_data = exec_wrapper.replace(b"$json_raw = ''",
+                                                 b"$json_raw = @'\r\n%s\r\n'@"
+                                                 % to_bytes(pay))
+                script_cmd = "-"
 
             result.update(self._low_level_execute_command(cmd=script_cmd, in_data=exec_data, sudoable=True, chdir=chdir))
 

lib/ansible/plugins/connection/winrm.py

@@ -391,8 +391,6 @@ class Connection(ConnectionBase):
             stdin_push_failed = False
             command_id = self.protocol.run_command(self.shell_id, to_bytes(command), map(to_bytes, args), console_mode_stdin=(stdin_iterator is None))
 
-            # TODO: try/except around this, so we can get/return the command result on a broken pipe or other failure (probably more useful than the 500 that
-            # comes from this)
             try:
                 if stdin_iterator:
                     for (data, is_last) in stdin_iterator:
@@ -400,12 +398,9 @@ class Connection(ConnectionBase):
 
             except Exception as ex:
                 from traceback import format_exc
-                display.warning("FATAL ERROR DURING FILE TRANSFER: %s" % format_exc())
+                display.warning("FATAL ERROR DURING FILE TRANSFER: %s" % to_text(ex))
                 stdin_push_failed = True
 
-            if stdin_push_failed:
-                raise AnsibleError('winrm send_input failed')
-
             # NB: this can hang if the receiver is still running (eg, network failed a Send request but the server's still happy).
             # FUTURE: Consider adding pywinrm status check/abort operations to see if the target is still running after a failure.
             resptuple = self.protocol.get_command_output(self.shell_id, command_id)
@@ -423,7 +418,11 @@ class Connection(ConnectionBase):
             display.vvvvvv('WINRM STDERR %s' % to_text(response.std_err), host=self._winrm_host)
 
             if stdin_push_failed:
-                raise AnsibleError('winrm send_input failed; \nstdout: %s\nstderr %s' % (response.std_out, response.std_err))
+                stderr = to_bytes(response.std_err, encoding='utf-8')
+                if self.is_clixml(stderr):
+                    stderr = self.parse_clixml_stream(stderr)
+
+                raise AnsibleError('winrm send_input failed; \nstdout: %s\nstderr %s' % (response.std_out, stderr))
 
             return response
         finally:
@@ -456,7 +455,9 @@ class Connection(ConnectionBase):
             'powershell_modules': {},
             'actions': ['exec'],
             'exec': to_text(base64.b64encode(to_bytes(leaf_exec))),
-            'environment': environment
+            'environment': environment,
+            'min_ps_version': None,
+            'min_os_version': None
         }
 
         return json.dumps(payload)

test/integration/targets/win_script/tasks/main.yml

@@ -54,6 +54,24 @@
       - "test_script_with_args_result is not failed"
       - "test_script_with_args_result is changed"
 
+# Bug: https://github.com/ansible/ansible/issues/32850
+- name: set fact of long string
+  set_fact:
+    long_string: "{{ lookup('pipe', 'printf \"a%.0s\" {1..1000}') }}"
+
+- name: run test script with args that exceed the stdin buffer
+  script: test_script_with_args.ps1 {{ long_string }}
+  register: test_script_with_large_args_result
+
+- name: check that script ran and received arguments correctly
+  assert:
+    that:
+    - test_script_with_large_args_result.rc == 0
+    - test_script_with_large_args_result.stdout == long_string + "\r\n"
+    - not test_script_with_large_args_result.stderr
+    - test_script_with_large_args_result is not failed
+    - test_script_with_large_args_result is changed
+
 - name: run test script that takes parameters passed via splatting
   script: test_script_with_splatting.ps1 @{ This = 'this'; That = '{{ test_win_script_value }}'; Other = 'other'}
   register: test_script_with_splatting_result
@@ -201,20 +219,17 @@
       - "test_script_bool_result.stdout_lines[0] == 'System.Boolean'"
       - "test_script_bool_result.stdout_lines[1] == 'True'"
 
-# FIXME: re-enable this test once script can run under the wrapper with powershell
+- name: run test script that uses envvars
-#- name: run test script that uses envvars
+  script: test_script_with_env.ps1
-#  script: test_script_with_env.ps1
+  environment:
-#  environment:
+    taskenv: task
-#    taskenv: task
+  register: test_script_env_result
-#  register: test_script_env_result
-#
-#- name: ensure that script ran and that environment var was passed
-#  assert:
-#    that:
-#    - test_script_env_result is successful
-#    - test_script_env_result.stdout_lines[0] == 'task'
-#
 
+- name: ensure that script ran and that environment var was passed
+  assert:
+    that:
+    - test_script_env_result is successful
+    - test_script_env_result.stdout_lines[0] == 'task'
 
 # check mode
 - name: Run test script that creates a file in check mode