--- a/pgtoolkit/tools/loopquery.py Mon May 26 18:18:21 2014 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-from pgtoolkit.toolbase import SimpleTool
-
-import logging.handlers
-import time
-from datetime import datetime, timedelta
-
-
-class LoopQueryTool(SimpleTool):
-
- """
- Execute queries in loop, with configurable interval.
-
- """
-
- def __init__(self):
- SimpleTool.__init__(self, name='loopquery')
- self.target_isolation_level = 'autocommit'
-
- def specify_args(self):
- SimpleTool.specify_args(self)
- self.parser.add_argument('-q', dest='queries', metavar='QUERY', nargs='*', help='Queries to run.')
- self.parser.add_argument('--mins', dest='delay_mins', type=int, help='Delay between queries in minutes.')
- self.parser.add_argument('--secs', dest='delay_secs', type=int, help='Delay between queries in seconds.')
-
- self.config.add_option('queries', type=list, default=[])
- self.config.add_option('delay_mins', type=int, default=0)
- self.config.add_option('delay_secs', type=int, default=0)
- self.config.add_option('log_path', type=str)
-
- def load_args(self, args=None, config_file=None):
- SimpleTool.load_args(self, args, config_file)
- self.queries = self.args.queries or self.config.queries
- self.delay_mins = self.args.delay_mins or self.config.delay_mins
- self.delay_secs = self.args.delay_secs or self.config.delay_secs
-
- def init_logging(self):
- SimpleTool.init_logging(self)
- if self.config.log_path:
- self.init_file_logs(self.config.log_path)
-
- def init_file_logs(self, path):
- format = logging.Formatter('%(asctime)s %(levelname)-5s %(message)s', '%y-%m-%d %H:%M:%S')
- handler = logging.handlers.TimedRotatingFileHandler(path+'/main.log', when='midnight', backupCount=5)
- handler.setFormatter(format)
- handler.setLevel(logging.DEBUG)
- logging.getLogger('main').addHandler(handler)
-
- format = logging.Formatter('%(asctime)s %(message)s', '%y-%m-%d %H:%M:%S')
- handler = logging.handlers.TimedRotatingFileHandler(path+'/pgnotices.log', when='midnight', backupCount=5)
- handler.setFormatter(format)
- handler.setLevel(logging.DEBUG)
- logging.getLogger('pgmanager_notices').addHandler(handler)
-
- def main(self):
- self.reset()
- while True:
- self.wait()
- self.action()
-
- def reset(self):
- """Check current time, set next action time."""
- dt = datetime.today()
- dt = dt.replace(microsecond = 0)
- self.next_action_time = dt + timedelta(minutes = self.delay_mins,
- seconds = self.delay_secs)
-
- def wait(self):
- """Wait for action time, compute next action time."""
- now = datetime.today()
- self.log.debug('Next run %s', self.next_action_time)
- if self.next_action_time > now:
- td = self.next_action_time - now
- self.log.debug('Sleep %ds', td.seconds + td.microseconds/1e6)
- time.sleep(td.seconds + td.microseconds/1e6)
- self.next_action_time += timedelta(minutes = self.delay_mins,
- seconds = self.delay_secs)
- # in case that action took too long and next planned time would
- # be in past -> reset planner
- if self.next_action_time < now:
- self.reset()
-
- def action(self):
- """Execute the queries."""
- for q in self.queries:
- self.log.info('%s', q)
- with self.pgm.cursor('target') as curs:
- curs.execute(q)
- self.log.info('Done')
-
-
-cls = LoopQueryTool
-