Syncing from upstream OCA/queue (18.0)

README.md

@@ -21,7 +21,7 @@ Available addons
 ----------------
 addon | version | maintainers | summary
 --- | --- | --- | ---
-[queue_job](queue_job/) | 18.0.1.2.2 | [![guewen](https://github.com/guewen.png?size=30px)](https://github.com/guewen) | Job Queue
+[queue_job](queue_job/) | 18.0.1.3.0 | [![guewen](https://github.com/guewen.png?size=30px)](https://github.com/guewen) | Job Queue
 [queue_job_batch](queue_job_batch/) | 18.0.1.0.0 |  | Job Queue Batch
 [queue_job_cron](queue_job_cron/) | 18.0.1.1.0 |  | Scheduled Actions as Queue Jobs
 [queue_job_cron_jobrunner](queue_job_cron_jobrunner/) | 18.0.1.0.0 | [![ivantodorovich](https://github.com/ivantodorovich.png?size=30px)](https://github.com/ivantodorovich) | Run jobs without a dedicated JobRunner

queue_job/README.rst

@@ -7,7 +7,7 @@ Job Queue
    !! This file is generated by oca-gen-addon-readme !!
    !! changes will be overwritten.                   !!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-   !! source digest: sha256:457b3cda8ba43e54d1aa390b5e3be8291b6f58bb375d2fde4bc07b97634432df
+   !! source digest: sha256:3fac52655772f6aa01506c81cba64db296a7d130745d8fa74e6d9ace0d8124c7
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 .. |badge1| image:: https://img.shields.io/badge/maturity-Mature-brightgreen.png

queue_job/__manifest__.py

@@ -2,7 +2,7 @@
 
 {
     "name": "Job Queue",
-    "version": "18.0.1.2.2",
+    "version": "18.0.1.3.0",
     "author": "Camptocamp,ACSONE SA/NV,Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/queue",
     "license": "LGPL-3",

queue_job/jobrunner/runner.py

@@ -159,12 +159,17 @@
 
 SELECT_TIMEOUT = 60
 ERROR_RECOVERY_DELAY = 5
+PG_ADVISORY_LOCK_ID = 2293787760715711918
 
 _logger = logging.getLogger(__name__)
 
 select = selectors.DefaultSelector
 
 
+class MasterElectionLost(Exception):
+    pass
+
+
 # Unfortunately, it is not possible to extend the Odoo
 # server command line arguments, so we resort to environment variables
 # to configure the runner (channels mostly).
@@ -262,10 +267,15 @@ def __init__(self, db_name):
         self.db_name = db_name
         connection_info = _connection_info_for(db_name)
         self.conn = psycopg2.connect(**connection_info)
-        self.conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
-        self.has_queue_job = self._has_queue_job()
-        if self.has_queue_job:
-            self._initialize()
+        try:
+            self.conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
+            self.has_queue_job = self._has_queue_job()
+            if self.has_queue_job:
+                self._acquire_master_lock()
+                self._initialize()
+        except BaseException:
+            self.close()
+            raise
 
     def close(self):
         # pylint: disable=except-pass
@@ -278,6 +288,14 @@ def close(self):
             pass
         self.conn = None
 
+    def _acquire_master_lock(self):
+        """Acquire the master runner lock or raise MasterElectionLost"""
+        with closing(self.conn.cursor()) as cr:
+            cr.execute("SELECT pg_try_advisory_lock(%s)", (PG_ADVISORY_LOCK_ID,))
+            if not cr.fetchone()[0]:
+                msg = f"could not acquire master runner lock on {self.db_name}"
+                raise MasterElectionLost(msg)
+
     def _has_queue_job(self):
         with closing(self.conn.cursor()) as cr:
             cr.execute(
@@ -413,14 +431,17 @@ def close_databases(self, remove_jobs=True):
         self.db_by_name = {}
 
     def initialize_databases(self):
-        for db_name in self.get_db_names():
+        for db_name in sorted(self.get_db_names()):
+            # sorting is important to avoid deadlocks in acquiring the master lock
             db = Database(db_name)
             if db.has_queue_job:
                 self.db_by_name[db_name] = db
                 with db.select_jobs("state in %s", (NOT_DONE,)) as cr:
                     for job_data in cr:
                         self.channel_manager.notify(db_name, *job_data)
                 _logger.info("queue job runner ready for db %s", db_name)
+            else:
+                db.close()
 
     def run_jobs(self):
         now = _odoo_now()
@@ -507,7 +528,7 @@ def run(self):
         while not self._stop:
             # outer loop does exception recovery
             try:
-                _logger.info("initializing database connections")
+                _logger.debug("initializing database connections")
                 # TODO: how to detect new databases or databases
                 #       on which queue_job is installed after server start?
                 self.initialize_databases()
@@ -522,6 +543,14 @@ def run(self):
             except InterruptedError:
                 # Interrupted system call, i.e. KeyboardInterrupt during select
                 self.stop()
+            except MasterElectionLost as e:
+                _logger.debug(
+                    "master election lost: %s, sleeping %ds and retrying",
+                    e,
+                    ERROR_RECOVERY_DELAY,
+                )
+                self.close_databases()
+                time.sleep(ERROR_RECOVERY_DELAY)
             except Exception:
                 _logger.exception(
                     "exception: sleeping %ds and retrying", ERROR_RECOVERY_DELAY

queue_job/static/description/index.html

@@ -367,7 +367,7 @@ <h1 class="title">Job Queue</h1>
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-!! source digest: sha256:457b3cda8ba43e54d1aa390b5e3be8291b6f58bb375d2fde4bc07b97634432df
+!! source digest: sha256:3fac52655772f6aa01506c81cba64db296a7d130745d8fa74e6d9ace0d8124c7
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Mature" src="https://img.shields.io/badge/maturity-Mature-brightgreen.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/lgpl-3.0-standalone.html"><img alt="License: LGPL-3" src="https://img.shields.io/badge/licence-LGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/queue/tree/18.0/queue_job"><img alt="OCA/queue" src="https://img.shields.io/badge/github-OCA%2Fqueue-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/queue-18-0/queue-18-0-queue_job"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/queue&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This addon adds an integrated Job Queue to Odoo.</p>