Ensure remote_tmp is respected everywhere.

Logic is still somewhat different from Ansible: we don't have to care
about sudo/non-sudo cases, etc.

ansible_mitogen/mixins.py

@@ -177,6 +177,18 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
         """
         assert False, "_is_pipelining_enabled() should never be called."
 
+    def _get_remote_tmp(self):
+        """
+        Mitogen-only: return the 'remote_tmp' setting.
+        """
+        try:
+            s = self._connection._shell.get_option('remote_tmp')
+        except AttributeError:
+            # Required for <2.4.x.
+            s = '~/.ansible'
+
+        return self._remote_expand_user(s)
+
     def _make_tmp_path(self, remote_user=None):
         """
         Replace the base implementation's use of shell to implement mkdtemp()
@@ -184,18 +196,12 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
         """
         LOG.debug('_make_tmp_path(remote_user=%r)', remote_user)
 
-        try:
-            remote_tmp = self._connection._shell.get_option('remote_tmp')
-        except AttributeError:
-            # Required for <2.4.x.
-            remote_tmp = '~/.ansible'
-
         # _make_tmp_path() is basically a global stashed away as Shell.tmpdir.
         # The copy action plugin violates layering and grabs this attribute
         # directly.
         self._connection._shell.tmpdir = self.call(
             ansible_mitogen.helpers.make_temp_directory,
-            base_dir=self._remote_expand_user(remote_tmp),
+            base_dir=self._get_remote_tmp(),
         )
         LOG.debug('Temporary directory: %r', self._connection._shell.tmpdir)
         self._cleanup_remote_tmp = True
@@ -313,6 +319,7 @@ class ActionModuleMixin(ansible.plugins.action.ActionBase):
                 connection=self._connection,
                 module_name=mitogen.utils.cast(module_name),
                 module_args=mitogen.utils.cast(module_args),
+                remote_tmp=mitogen.utils.cast(self._get_remote_tmp()),
                 task_vars=task_vars,
                 templar=self._templar,
                 env=mitogen.utils.cast(env),

ansible_mitogen/planner.py

@@ -92,7 +92,7 @@ class Invocation(object):
     helpers.run_module() or helpers.run_module_async() in the target context.
     """
     def __init__(self, action, connection, module_name, module_args,
-                 task_vars, templar, env, wrap_async):
+                 remote_tmp, task_vars, templar, env, wrap_async):
         #: ActionBase instance invoking the module. Required to access some
         #: output postprocessing methods that don't belong in ActionBase at
         #: all.
@@ -104,6 +104,9 @@ class Invocation(object):
         self.module_name = module_name
         #: Final module arguments.
         self.module_args = module_args
+        #: Value of 'remote_tmp' parameter, to allow target to create temporary
+        #: files in correct location.
+        self.remote_tmp = remote_tmp
         #: Task variables, needed to extract ansible_*_interpreter.
         self.task_vars = task_vars
         #: Templar, needed to extract ansible_*_interpreter.
@@ -179,6 +182,7 @@ class BinaryPlanner(Planner):
             'path': invocation.module_path,
             'args': invocation.module_args,
             'env': invocation.env,
+            'remote_tmp': invocation.remote_tmp,
         }
 
 

ansible_mitogen/runner.py

@@ -40,6 +40,7 @@ import cStringIO
 import json
 import logging
 import os
+import shutil
 import sys
 import tempfile
 import types
@@ -81,16 +82,25 @@ class Runner(object):
 
     Subclasses may override `_run`()` and extend `setup()` and `revert()`.
     """
-    def __init__(self, module, raw_params=None, args=None, env=None):
+    def __init__(self, module, remote_tmp, raw_params=None, args=None, env=None):
         if args is None:
             args = {}
         if raw_params is not None:
             args['_raw_params'] = raw_params
 
         self.module = module
+        self.remote_tmp = os.path.expanduser(remote_tmp)
         self.raw_params = raw_params
         self.args = args
         self.env = env
+        self._temp_dir = None
+
+    def get_temp_dir(self):
+        if not self._temp_dir:
+            self._temp_dir = ansible_mitogen.helpers.make_temp_directory(
+                self.remote_tmp,
+            )
+        return self._temp_dir
 
     def setup(self):
         """
@@ -105,6 +115,8 @@ class Runner(object):
         implementation simply restores the original environment.
         """
         self._env.revert()
+        if self._temp_dir:
+            shutil.rmtree(self._temp_dir)
 
     def _run(self):
         """
@@ -195,9 +207,9 @@ class ProgramRunner(Runner):
         Create a temporary file containing the program code. The code is
         fetched via :meth:`_get_program`.
         """
-        self.program_fp = tempfile.NamedTemporaryFile(
-            prefix='ansible_mitogen',
-            suffix='-binary',
+        self.program_fp = open(
+            os.path.join(self.get_temp_dir(), self.module),
+            'wb'
         )
         self.program_fp.write(self._get_program())
         self.program_fp.flush()
@@ -224,8 +236,8 @@ class ProgramRunner(Runner):
         """
         Delete the temporary program file.
         """
-        super(ProgramRunner, self).revert()
         self.program_fp.close()
+        super(ProgramRunner, self).revert()
 
     def _run(self):
         try:
@@ -260,6 +272,7 @@ class ArgsFileRunner(Runner):
         self.args_fp = tempfile.NamedTemporaryFile(
             prefix='ansible_mitogen',
             suffix='-args',
+            dir=self.get_temp_dir(),
         )
         self.args_fp.write(self._get_args_contents())
         self.args_fp.flush()
@@ -282,8 +295,8 @@ class ArgsFileRunner(Runner):
         """
         Delete the temporary argument file.
         """
-        super(ArgsFileRunner, self).revert()
         self.args_fp.close()
+        super(ArgsFileRunner, self).revert()
 
 
 class BinaryRunner(ArgsFileRunner, ProgramRunner):

docs/ansible.rst

@@ -161,8 +161,6 @@ Low Risk
 * Only the ``sudo`` become method is available, however adding new methods is
   straightforward, and eventually at least ``su`` will be included.
 
-* In some cases ``remote_tmp`` may not be respected.
-
 * The extension's performance benefits do not scale perfectly linearly with the
   number of targets. This is a subject of ongoing investigation and
   improvements will appear in time.