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[FIX] base: recover thread from down postgresql 

If postgresql database is temporarly down, the cron thread may fail.

The cursor creation fails when trying to connect to the server which leads to
the cron thread to die (uncatched exception) and will not restart when postgres
is back.

Fixes #15666
This commit is contained in:
Martin Trigaux 2017-02-28 18:00:00 +01:00
parent 48cebafdaf
commit 69e91f6a7c
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GPG Key ID: 7B0E288E7C0F83A7
1 changed files with 12 additions and 14 deletions
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26
openerp/addons/base/ir/ir_cron.py
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@ -197,20 +197,20 @@ class ir_cron(osv.osv):
"""
db = openerp.sql_db.db_connect(db_name)
threading.current_thread().dbname = db_name
cr = db.cursor()
jobs = []
try:
# Make sure the database we poll has the same version as the code of base
cr.execute("SELECT 1 FROM ir_module_module WHERE name=%s AND latest_version=%s", ('base', BASE_VERSION))
if cr.fetchone():
# Careful to compare timestamps with 'UTC' - everything is UTC as of v6.1.
cr.execute("""SELECT * FROM ir_cron
WHERE numbercall != 0
AND active AND nextcall <= (now() at time zone 'UTC')
ORDER BY priority""")
jobs = cr.dictfetchall()
else:
_logger.warning('Skipping database %s as its base version is not %s.', db_name, BASE_VERSION)
with db.cursor() as cr:
# Make sure the database we poll has the same version as the code of base
cr.execute("SELECT 1 FROM ir_module_module WHERE name=%s AND latest_version=%s", ('base', BASE_VERSION))
if cr.fetchone():
# Careful to compare timestamps with 'UTC' - everything is UTC as of v6.1.
cr.execute("""SELECT * FROM ir_cron
WHERE numbercall != 0
AND active AND nextcall <= (now() at time zone 'UTC')
ORDER BY priority""")
jobs = cr.dictfetchall()
else:
_logger.warning('Skipping database %s as its base version is not %s.', db_name, BASE_VERSION)
except psycopg2.ProgrammingError, e:
if e.pgcode == '42P01':
# Class 42 — Syntax Error or Access Rule Violation; 42P01: undefined_table
@ -220,8 +220,6 @@ class ir_cron(osv.osv):
raise
except Exception:
_logger.warning('Exception in cron:', exc_info=True)
finally:
cr.close()
for job in jobs:
lock_cr = db.cursor()