salt/pass-the-context-to-pillar-ext-modules.patch

From bd671b53de8933732e2108624d7dfb6f9b183f38 Mon Sep 17 00:00:00 2001
From: Victor Zhestkov <Victor.Zhestkov@suse.com>
Date: Fri, 28 Oct 2022 13:20:13 +0300
Subject: [PATCH] Pass the context to pillar ext modules

* Pass __context__ to ext pillar

* Add test for passing the context to pillar ext module

* Align the test and pillar to prevent failing test
---
 salt/master.py                    |  7 ++-
 salt/pillar/__init__.py           | 16 +++++-
 tests/pytests/unit/test_master.py | 91 ++++++++++++++++++++++++++++++-
 3 files changed, 108 insertions(+), 6 deletions(-)

diff --git a/salt/master.py b/salt/master.py
index a0552fa232..da1eb8cef5 100644
--- a/salt/master.py
+++ b/salt/master.py
@@ -964,6 +964,7 @@ class MWorker(salt.utils.process.SignalHandlingProcess):
         self.k_mtime = 0
         self.stats = collections.defaultdict(lambda: {"mean": 0, "runs": 0})
         self.stat_clock = time.time()
+        self.context = {}
 
     # We need __setstate__ and __getstate__ to also pickle 'SMaster.secrets'.
     # Otherwise, 'SMaster.secrets' won't be copied over to the spawned process
@@ -1151,7 +1152,7 @@ class MWorker(salt.utils.process.SignalHandlingProcess):
             self.key,
         )
         self.clear_funcs.connect()
-        self.aes_funcs = AESFuncs(self.opts)
+        self.aes_funcs = AESFuncs(self.opts, context=self.context)
         salt.utils.crypt.reinit_crypto()
         self.__bind()
 
@@ -1214,7 +1215,7 @@ class AESFuncs(TransportMethods):
         "_file_envs",
     )
 
-    def __init__(self, opts):
+    def __init__(self, opts, context=None):
         """
         Create a new AESFuncs
 
@@ -1224,6 +1225,7 @@ class AESFuncs(TransportMethods):
         :returns: Instance for handling AES operations
         """
         self.opts = opts
+        self.context = context
         self.event = salt.utils.event.get_master_event(
             self.opts, self.opts["sock_dir"], listen=False
         )
@@ -1611,6 +1613,7 @@ class AESFuncs(TransportMethods):
             pillarenv=load.get("pillarenv"),
             extra_minion_data=load.get("extra_minion_data"),
             clean_cache=load.get("clean_cache"),
+            context=self.context,
         )
         data = pillar.compile_pillar()
         self.fs_.update_opts()
diff --git a/salt/pillar/__init__.py b/salt/pillar/__init__.py
index 5a3f5388b4..0dfab4cc57 100644
--- a/salt/pillar/__init__.py
+++ b/salt/pillar/__init__.py
@@ -46,6 +46,7 @@ def get_pillar(
     pillarenv=None,
     extra_minion_data=None,
     clean_cache=False,
+    context=None,
 ):
     """
     Return the correct pillar driver based on the file_client option
@@ -82,6 +83,7 @@ def get_pillar(
             pillarenv=pillarenv,
             clean_cache=clean_cache,
             extra_minion_data=extra_minion_data,
+            context=context,
         )
     return ptype(
         opts,
@@ -93,6 +95,7 @@ def get_pillar(
         pillar_override=pillar_override,
         pillarenv=pillarenv,
         extra_minion_data=extra_minion_data,
+        context=context,
     )
 
 
@@ -281,7 +284,7 @@ class AsyncRemotePillar(RemotePillarMixin):
         raise salt.ext.tornado.gen.Return(ret_pillar)
 
     def destroy(self):
-        if self._closing:
+        if hasattr(self, "_closing") and self._closing:
             return
 
         self._closing = True
@@ -310,6 +313,7 @@ class RemotePillar(RemotePillarMixin):
         pillar_override=None,
         pillarenv=None,
         extra_minion_data=None,
+        context=None,
     ):
         self.opts = opts
         self.opts["saltenv"] = saltenv
@@ -334,6 +338,7 @@ class RemotePillar(RemotePillarMixin):
             merge_lists=True,
         )
         self._closing = False
+        self.context = context
 
     def compile_pillar(self):
         """
@@ -407,6 +412,7 @@ class PillarCache:
         pillarenv=None,
         extra_minion_data=None,
         clean_cache=False,
+        context=None,
     ):
         # Yes, we need all of these because we need to route to the Pillar object
         # if we have no cache. This is another refactor target.
@@ -434,6 +440,8 @@ class PillarCache:
             minion_cache_path=self._minion_cache_path(minion_id),
         )
 
+        self.context = context
+
     def _minion_cache_path(self, minion_id):
         """
         Return the path to the cache file for the minion.
@@ -458,6 +466,7 @@ class PillarCache:
             pillar_override=self.pillar_override,
             pillarenv=self.pillarenv,
             extra_minion_data=self.extra_minion_data,
+            context=self.context,
         )
         return fresh_pillar.compile_pillar()
 
@@ -533,6 +542,7 @@ class Pillar:
         pillar_override=None,
         pillarenv=None,
         extra_minion_data=None,
+        context=None,
     ):
         self.minion_id = minion_id
         self.ext = ext
@@ -571,7 +581,7 @@ class Pillar:
         if opts.get("pillar_source_merging_strategy"):
             self.merge_strategy = opts["pillar_source_merging_strategy"]
 
-        self.ext_pillars = salt.loader.pillars(ext_pillar_opts, self.functions)
+        self.ext_pillars = salt.loader.pillars(ext_pillar_opts, self.functions, context=context)
         self.ignored_pillars = {}
         self.pillar_override = pillar_override or {}
         if not isinstance(self.pillar_override, dict):
@@ -1338,7 +1348,7 @@ class Pillar:
         """
         This method exist in order to be API compatible with RemotePillar
         """
-        if self._closing:
+        if hasattr(self, "_closing") and self._closing:
             return
         self._closing = True
 
diff --git a/tests/pytests/unit/test_master.py b/tests/pytests/unit/test_master.py
index cd11d217c7..98c796912a 100644
--- a/tests/pytests/unit/test_master.py
+++ b/tests/pytests/unit/test_master.py
@@ -4,7 +4,7 @@ import pytest
 
 import salt.master
 import salt.utils.platform
-from tests.support.mock import patch
+from tests.support.mock import MagicMock, patch
 
 
 @pytest.fixture
@@ -160,3 +160,92 @@ def test_when_syndic_return_processes_load_then_correct_values_should_be_returne
     with patch.object(encrypted_requests, "_return", autospec=True) as fake_return:
         encrypted_requests._syndic_return(payload)
         fake_return.assert_called_with(expected_return)
+
+
+def test_mworker_pass_context():
+    """
+    Test of passing the __context__ to pillar ext module loader
+    """
+    req_channel_mock = MagicMock()
+    local_client_mock = MagicMock()
+
+    opts = {
+        "req_server_niceness": None,
+        "mworker_niceness": None,
+        "sock_dir": "/tmp",
+        "conf_file": "/tmp/fake_conf",
+        "transport": "zeromq",
+        "fileserver_backend": ["roots"],
+        "file_client": "local",
+        "pillar_cache": False,
+        "state_top": "top.sls",
+        "pillar_roots": {},
+    }
+
+    data = {
+        "id": "MINION_ID",
+        "grains": {},
+        "saltenv": None,
+        "pillarenv": None,
+        "pillar_override": {},
+        "extra_minion_data": {},
+        "ver": "2",
+        "cmd": "_pillar",
+    }
+
+    test_context = {"testing": 123}
+
+    def mworker_bind_mock():
+        mworker.aes_funcs.run_func(data["cmd"], data)
+
+    with patch("salt.client.get_local_client", local_client_mock), patch(
+        "salt.master.ClearFuncs", MagicMock()
+    ), patch("salt.minion.MasterMinion", MagicMock()), patch(
+        "salt.utils.verify.valid_id", return_value=True
+    ), patch(
+        "salt.loader.matchers", MagicMock()
+    ), patch(
+        "salt.loader.render", MagicMock()
+    ), patch(
+        "salt.loader.utils", MagicMock()
+    ), patch(
+        "salt.loader.fileserver", MagicMock()
+    ), patch(
+        "salt.loader.minion_mods", MagicMock()
+    ), patch(
+        "salt.loader._module_dirs", MagicMock()
+    ), patch(
+        "salt.loader.LazyLoader", MagicMock()
+    ) as loadler_pillars_mock:
+        mworker = salt.master.MWorker(opts, {}, {}, [req_channel_mock])
+
+        with patch.object(mworker, "_MWorker__bind", mworker_bind_mock), patch.dict(
+            mworker.context, test_context
+        ):
+            mworker.run()
+            assert (
+                loadler_pillars_mock.call_args_list[0][1].get("pack").get("__context__")
+                == test_context
+            )
+
+        loadler_pillars_mock.reset_mock()
+
+        opts.update(
+            {
+                "pillar_cache": True,
+                "pillar_cache_backend": "file",
+                "pillar_cache_ttl": 1000,
+                "cachedir": "/tmp",
+            }
+        )
+
+        mworker = salt.master.MWorker(opts, {}, {}, [req_channel_mock])
+
+        with patch.object(mworker, "_MWorker__bind", mworker_bind_mock), patch.dict(
+            mworker.context, test_context
+        ), patch("salt.utils.cache.CacheFactory.factory", MagicMock()):
+            mworker.run()
+            assert (
+                loadler_pillars_mock.call_args_list[0][1].get("pack").get("__context__")
+                == test_context
+            )
-- 
2.39.2