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home:dirkmueller:acdc:as_python3_module
salt.21002
batch-async-catch-exceptions-and-safety-unregis...
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File batch-async-catch-exceptions-and-safety-unregister-a.patch of Package salt.21002
From 1606379714f4776e2b529fb1d45891266985c896 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Su=C3=A1rez=20Hern=C3=A1ndez?= <psuarezhernandez@suse.com> Date: Fri, 28 Feb 2020 15:11:53 +0000 Subject: [PATCH] Batch Async: Catch exceptions and safety unregister and close instances --- salt/cli/batch_async.py | 160 ++++++++++++++++++++++++---------------- 1 file changed, 96 insertions(+), 64 deletions(-) diff --git a/salt/cli/batch_async.py b/salt/cli/batch_async.py index 1e2ac5b0d3..3dc04826d1 100644 --- a/salt/cli/batch_async.py +++ b/salt/cli/batch_async.py @@ -107,22 +107,25 @@ class BatchAsync: def __event_handler(self, raw): if not self.event: return - mtag, data = self.event.unpack(raw, self.event.serial) - for (pattern, op) in self.patterns: - if mtag.startswith(pattern[:-1]): - minion = data["id"] - if op == "ping_return": - self.minions.add(minion) - if self.targeted_minions == self.minions: - self.event.io_loop.spawn_callback(self.start_batch) - elif op == "find_job_return": - if data.get("return", None): - self.find_job_returned.add(minion) - elif op == "batch_run": - if minion in self.active: - self.active.remove(minion) - self.done_minions.add(minion) - self.event.io_loop.spawn_callback(self.schedule_next) + try: + mtag, data = self.event.unpack(raw, self.event.serial) + for (pattern, op) in self.patterns: + if mtag.startswith(pattern[:-1]): + minion = data["id"] + if op == "ping_return": + self.minions.add(minion) + if self.targeted_minions == self.minions: + self.event.io_loop.spawn_callback(self.start_batch) + elif op == "find_job_return": + if data.get("return", None): + self.find_job_returned.add(minion) + elif op == "batch_run": + if minion in self.active: + self.active.remove(minion) + self.done_minions.add(minion) + self.event.io_loop.spawn_callback(self.schedule_next) + except Exception as ex: + log.error("Exception occured while processing event: {}".format(ex)) def _get_next(self): to_run = ( @@ -154,53 +157,67 @@ class BatchAsync: if timedout_minions: self.schedule_next() - if running: + if self.event and running: self.find_job_returned = self.find_job_returned.difference(running) self.event.io_loop.spawn_callback(self.find_job, running) @tornado.gen.coroutine def find_job(self, minions): - not_done = minions.difference(self.done_minions).difference( - self.timedout_minions - ) - - if not_done: - jid = self.jid_gen() - find_job_return_pattern = "salt/job/{}/ret/*".format(jid) - self.patterns.add((find_job_return_pattern, "find_job_return")) - self.event.subscribe(find_job_return_pattern, match_type="glob") - - ret = yield self.local.run_job_async( - not_done, - "saltutil.find_job", - [self.batch_jid], - "list", - gather_job_timeout=self.opts["gather_job_timeout"], - jid=jid, - **self.eauth + if self.event: + not_done = minions.difference(self.done_minions).difference( + self.timedout_minions ) - yield tornado.gen.sleep(self.opts["gather_job_timeout"]) - self.event.io_loop.spawn_callback(self.check_find_job, not_done, jid) + try: + if not_done: + jid = self.jid_gen() + find_job_return_pattern = "salt/job/{}/ret/*".format(jid) + self.patterns.add((find_job_return_pattern, "find_job_return")) + self.event.subscribe(find_job_return_pattern, match_type="glob") + ret = yield self.local.run_job_async( + not_done, + "saltutil.find_job", + [self.batch_jid], + "list", + gather_job_timeout=self.opts["gather_job_timeout"], + jid=jid, + **self.eauth + ) + yield tornado.gen.sleep(self.opts["gather_job_timeout"]) + if self.event: + self.event.io_loop.spawn_callback( + self.check_find_job, not_done, jid + ) + except Exception as ex: + log.error( + "Exception occured handling batch async: {}. Aborting execution.".format( + ex + ) + ) + self.close_safe() @tornado.gen.coroutine def start(self): - self.__set_event_handler() - ping_return = yield self.local.run_job_async( - self.opts["tgt"], - "test.ping", - [], - self.opts.get("selected_target_option", self.opts.get("tgt_type", "glob")), - gather_job_timeout=self.opts["gather_job_timeout"], - jid=self.ping_jid, - metadata=self.metadata, - **self.eauth - ) - self.targeted_minions = set(ping_return["minions"]) - # start batching even if not all minions respond to ping - yield tornado.gen.sleep( - self.batch_presence_ping_timeout or self.opts["gather_job_timeout"] - ) - self.event.io_loop.spawn_callback(self.start_batch) + if self.event: + self.__set_event_handler() + ping_return = yield self.local.run_job_async( + self.opts["tgt"], + "test.ping", + [], + self.opts.get( + "selected_target_option", self.opts.get("tgt_type", "glob") + ), + gather_job_timeout=self.opts["gather_job_timeout"], + jid=self.ping_jid, + metadata=self.metadata, + **self.eauth + ) + self.targeted_minions = set(ping_return["minions"]) + # start batching even if not all minions respond to ping + yield tornado.gen.sleep( + self.batch_presence_ping_timeout or self.opts["gather_job_timeout"] + ) + if self.event: + self.event.io_loop.spawn_callback(self.start_batch) @tornado.gen.coroutine def start_batch(self): @@ -215,7 +232,8 @@ class BatchAsync: ret = self.event.fire_event( data, "salt/batch/{}/start".format(self.batch_jid) ) - self.event.io_loop.spawn_callback(self.run_next) + if self.event: + self.event.io_loop.spawn_callback(self.run_next) @tornado.gen.coroutine def end_batch(self): @@ -232,11 +250,21 @@ class BatchAsync: "metadata": self.metadata, } self.event.fire_event(data, "salt/batch/{}/done".format(self.batch_jid)) - for (pattern, label) in self.patterns: - if label in ["ping_return", "batch_run"]: - self.event.unsubscribe(pattern, match_type="glob") - del self - gc.collect() + + # release to the IOLoop to allow the event to be published + # before closing batch async execution + yield tornado.gen.sleep(1) + self.close_safe() + + def close_safe(self): + for (pattern, label) in self.patterns: + self.event.unsubscribe(pattern, match_type="glob") + self.event.remove_event_handler(self.__event_handler) + self.event = None + self.local = None + self.ioloop = None + del self + gc.collect() @tornado.gen.coroutine def schedule_next(self): @@ -244,7 +272,8 @@ class BatchAsync: self.scheduled = True # call later so that we maybe gather more returns yield tornado.gen.sleep(self.batch_delay) - self.event.io_loop.spawn_callback(self.run_next) + if self.event: + self.event.io_loop.spawn_callback(self.run_next) @tornado.gen.coroutine def run_next(self): @@ -266,17 +295,20 @@ class BatchAsync: ) yield tornado.gen.sleep(self.opts["timeout"]) - self.event.io_loop.spawn_callback(self.find_job, set(next_batch)) + + # The batch can be done already at this point, which means no self.event + if self.event: + self.event.io_loop.spawn_callback(self.find_job, set(next_batch)) except Exception as ex: - log.error("Error in scheduling next batch: %s", ex) + log.error("Error in scheduling next batch: %s. Aborting execution", ex) self.active = self.active.difference(next_batch) + self.close_safe() else: yield self.end_batch() gc.collect() def __del__(self): self.local = None - self.event.remove_event_handler(self.__event_handler) self.event = None self.ioloop = None gc.collect() -- 2.29.2
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