File fix-async-batch-multiple-done-events.patch of Package py27-compat-salt

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File fix-async-batch-multiple-done-events.patch of Package py27-compat-salt (Revision 342e47d61f6ff62171e1c0bf4b373daf)

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From 42d7e1de2c69d82447e73eab483e5d3c299d55f7 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            | 17 ++++++++++++-----
 tests/unit/cli/test_batch_async.py | 20 +++++++++++++-------
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/salt/cli/batch_async.py b/salt/cli/batch_async.py
index 9c20b2fc6e..8c8f481e34 100644
--- a/salt/cli/batch_async.py
+++ b/salt/cli/batch_async.py
@@ -84,6 +84,7 @@ class BatchAsync(object):
             listen=True,
             io_loop=ioloop,
             keep_loop=True)
+        self.scheduled = False
 
     def __set_event_handler(self):
         ping_return_pattern = 'salt/job/{0}/ret/*'.format(self.ping_jid)
@@ -116,8 +117,7 @@ class BatchAsync(object):
                     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 = self.minions.difference(
@@ -137,7 +137,7 @@ class BatchAsync(object):
         self.active = self.active.difference(self.timedout_minions)
         running = batch_minions.difference(self.done_minions).difference(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)
 
@@ -189,7 +189,7 @@ class BatchAsync(object):
                 "metadata": self.metadata
             }
             self.event.fire_event(data, "salt/batch/{0}/start".format(self.batch_jid))
-            yield self.schedule_next()
+            yield self.run_next()
 
     def end_batch(self):
         left = self.minions.symmetric_difference(self.done_minions.union(self.timedout_minions))
@@ -204,8 +204,14 @@ class BatchAsync(object):
             self.event.fire_event(data, "salt/batch/{0}/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)
@@ -225,3 +231,4 @@ class BatchAsync(object):
                 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 d519157d92..441f9c58b9 100644
--- a/tests/unit/cli/test_batch_async.py
+++ b/tests/unit/cli/test_batch_async.py
@@ -111,14 +111,14 @@ 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'}
@@ -154,7 +154,7 @@ 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')
@@ -253,7 +253,7 @@ 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):
         self.batch.event = MagicMock(
@@ -263,10 +263,10 @@ 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
@@ -342,3 +342,9 @@ 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)
-- 
2.16.4

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File fix-async-batch-multiple-done-events.patch of Package py27-compat-salt (Revision 342e47d61f6ff62171e1c0bf4b373daf)

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