File fix-async-batch-multiple-done-events.patch of Package venv-salt-minion

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File fix-async-batch-multiple-done-events.patch of Package venv-salt-minion (Revision 526d4ba09fef05c2ae1ee4d82ae323df)

Currently displaying revision 526d4ba09fef05c2ae1ee4d82ae323df , Show latest

From 85b8666b138cab170327f0217c799277371b2e80 Mon Sep 17 00:00:00 2001
From: Mihai Dinca <mdinca@suse.de>
Date: Tue, 7 May 2019 12:24:35 +0200
Subject: [PATCH] Fix async-batch multiple done events

---
 salt/cli/batch_async.py            | 19 ++++++++++++-------
 tests/unit/cli/test_batch_async.py | 20 +++++++++++++-------
 2 files changed, 25 insertions(+), 14 deletions(-)

diff --git a/salt/cli/batch_async.py b/salt/cli/batch_async.py
index b0ab9d9f47..7225491228 100644
--- a/salt/cli/batch_async.py
+++ b/salt/cli/batch_async.py
@@ -86,6 +86,7 @@ class BatchAsync:
             io_loop=ioloop,
             keep_loop=True,
         )
+        self.scheduled = False
 
     def __set_event_handler(self):
         ping_return_pattern = "salt/job/{}/ret/*".format(self.ping_jid)
@@ -118,10 +119,7 @@ class BatchAsync:
                     if minion in self.active:
                         self.active.remove(minion)
                         self.done_minions.add(minion)
-                        # call later so that we maybe gather more returns
-                        self.event.io_loop.call_later(
-                            self.batch_delay, self.schedule_next
-                        )
+                        self.schedule_next()
 
     def _get_next(self):
         to_run = (
@@ -146,7 +144,7 @@ class BatchAsync:
             self.timedout_minions
         )
         if timedout_minions:
-            self.event.io_loop.call_later(self.batch_delay, self.schedule_next)
+            self.schedule_next()
         if running:
             self.event.io_loop.add_callback(self.find_job, running)
 
@@ -197,7 +195,7 @@ class BatchAsync:
                 "metadata": self.metadata,
             }
             self.event.fire_event(data, "salt/batch/{}/start".format(self.batch_jid))
-            yield self.schedule_next()
+            yield self.run_next()
 
     def end_batch(self):
         left = self.minions.symmetric_difference(
@@ -214,8 +212,14 @@ class BatchAsync:
             self.event.fire_event(data, "salt/batch/{}/done".format(self.batch_jid))
             self.event.remove_event_handler(self.__event_handler)
 
-    @tornado.gen.coroutine
     def schedule_next(self):
+        if not self.scheduled:
+            self.scheduled = True
+            # call later so that we maybe gather more returns
+            self.event.io_loop.call_later(self.batch_delay, self.run_next)
+
+    @tornado.gen.coroutine
+    def run_next(self):
         next_batch = self._get_next()
         if next_batch:
             self.active = self.active.union(next_batch)
@@ -238,3 +242,4 @@ class BatchAsync:
                 self.active = self.active.difference(next_batch)
         else:
             self.end_batch()
+        self.scheduled = False
diff --git a/tests/unit/cli/test_batch_async.py b/tests/unit/cli/test_batch_async.py
index d6a4bfcf60..66332a548a 100644
--- a/tests/unit/cli/test_batch_async.py
+++ b/tests/unit/cli/test_batch_async.py
@@ -105,14 +105,14 @@ class AsyncBatchTestCase(AsyncTestCase, TestCase):
 
     @tornado.testing.gen_test
     def test_start_batch_calls_next(self):
-        self.batch.schedule_next = MagicMock(return_value=MagicMock())
+        self.batch.run_next = MagicMock(return_value=MagicMock())
         self.batch.event = MagicMock()
         future = tornado.gen.Future()
         future.set_result(None)
-        self.batch.schedule_next = MagicMock(return_value=future)
+        self.batch.run_next = MagicMock(return_value=future)
         self.batch.start_batch()
         self.assertEqual(self.batch.initialized, True)
-        self.assertEqual(len(self.batch.schedule_next.mock_calls), 1)
+        self.assertEqual(len(self.batch.run_next.mock_calls), 1)
 
     def test_batch_fire_done_event(self):
         self.batch.targeted_minions = {"foo", "baz", "bar"}
@@ -147,7 +147,7 @@ class AsyncBatchTestCase(AsyncTestCase, TestCase):
         future = tornado.gen.Future()
         future.set_result({"minions": ["foo", "bar"]})
         self.batch.local.run_job_async.return_value = future
-        ret = self.batch.schedule_next().result()
+        ret = self.batch.run_next().result()
         self.assertEqual(
             self.batch.local.run_job_async.call_args[0],
             ({"foo", "bar"}, "my.fun", [], "list"),
@@ -250,7 +250,7 @@ class AsyncBatchTestCase(AsyncTestCase, TestCase):
         self.assertEqual(self.batch.done_minions, {"foo"})
         self.assertEqual(
             self.batch.event.io_loop.call_later.call_args[0],
-            (self.batch.batch_delay, self.batch.schedule_next),
+            (self.batch.batch_delay, self.batch.run_next),
         )
 
     def test_batch__event_handler_find_job_return(self):
@@ -262,10 +262,10 @@ class AsyncBatchTestCase(AsyncTestCase, TestCase):
         self.assertEqual(self.batch.find_job_returned, {"foo"})
 
     @tornado.testing.gen_test
-    def test_batch_schedule_next_end_batch_when_no_next(self):
+    def test_batch_run_next_end_batch_when_no_next(self):
         self.batch.end_batch = MagicMock()
         self.batch._get_next = MagicMock(return_value={})
-        self.batch.schedule_next()
+        self.batch.run_next()
         self.assertEqual(len(self.batch.end_batch.mock_calls), 1)
 
     @tornado.testing.gen_test
@@ -345,3 +345,9 @@ class AsyncBatchTestCase(AsyncTestCase, TestCase):
             self.batch.event.io_loop.add_callback.call_args[0],
             (self.batch.find_job, {"foo"}),
         )
+
+    def test_only_on_run_next_is_scheduled(self):
+        self.batch.event = MagicMock()
+        self.batch.scheduled = True
+        self.batch.schedule_next()
+        self.assertEqual(len(self.batch.event.io_loop.call_later.mock_calls), 0)
-- 
2.29.2

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File fix-async-batch-multiple-done-events.patch of Package venv-salt-minion (Revision 526d4ba09fef05c2ae1ee4d82ae323df)

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