def turn_off_general_log(self):
conn = MysqlConnUtil(host=self._mysql_meta.ip, user=self._mysql_meta.mysql_user, passwd=self._mysql_meta.mysql_password, db='',
port=self._mysql_meta.mysql_port, autocommit=True)
res, err = conn.execute("set global general_log=off")
assert err is None, "turn off general log fail for {0}".format(err[1])
conn.close()
def turn_on_general_log(self, to_clean_old_file=True):
if to_clean_old_file:
self.turn_off_general_log_and_clean()
conn = MysqlConnUtil(host=self._mysql_meta.ip, user=self._mysql_meta.mysql_user, passwd=self._mysql_meta.mysql_password, db='',
port=self._mysql_meta.mysql_port, autocommit=True)
res, err = conn.execute("set global general_log=on")
assert err is None, "set general log on fail for {0}".format(err[1])
conn.close()
def kill_all_conns(self, exclude_conn_ids=None):
conn = MysqlConnUtil(host=self._mysql_meta.ip, user=self._mysql_meta.mysql_user, passwd=self._mysql_meta.mysql_password, db='',
port=self._mysql_meta.mysql_port, autocommit=True)
res, err = conn.execute("show processlist")
for row in res:
conn_id = row[0]
not_show_processlist = row[7] != "show processlist"#for excluding show processlist conn itself
if not_show_processlist and exclude_conn_ids and str(conn_id) not in exclude_conn_ids:
res, err = conn.execute("kill {}".format(conn_id))
assert err is None, "kill conn '{}' failed for {}".format(conn_id,err[1])
logger.debug("kill connections success, excluding connection ids:{}".format(exclude_conn_ids))
conn.close()
def turn_off_general_log_and_clean(self):
conn = MysqlConnUtil(host=self._mysql_meta.ip, user=self._mysql_meta.mysql_user, passwd=self._mysql_meta.mysql_password, db='',
port=self._mysql_meta.mysql_port, autocommit=True)
res, err = conn.execute("set global log_output='file'")
assert err is None, "get general log file fail for {0}".format(err[1])
res, err = conn.execute("set global general_log=off")
assert err is None, "set general log off fail for {0}".format(err[1])
res, err = conn.execute("show variables like 'general_log_file'")
assert err is None, "get general log file fail for {0}".format(err[1])
general_log_file = res[0][1]
ssh = self._mysql_meta.ssh_conn
rc, sto, ste = ssh.exec_command('rm -rf {0}'.format(general_log_file))
assert len(ste) == 0, "rm general_log_file fail for {0}".format(ste)
conn.close()
self._mysql_meta.close_ssh()
def do_execute_query(self, query_meta):
conn = DbleObject.dble_long_live_conns.get(query_meta.conn_id, None)
if conn:
logger.debug(
"find a exist conn of dble '{0}' to execute query".format(
query_meta.conn_id))
else:
logger.debug(
"Can't find a exist dble conn '{0}', try to create a new conn".
format(query_meta.conn_id))
try:
conn = MysqlConnUtil(host=query_meta.ip,
user=query_meta.user,
passwd=query_meta.passwd,
db=query_meta.db,
port=query_meta.port,
autocommit=True,
charset=query_meta.charset)
except MySQLdb.Error as e:
err = e.args
return None, err, 0
assert conn, "expect {0} find or create success, but failed".format(
query_meta.conn_id)
starttime = datetime.datetime.now()
res, err = conn.execute(query_meta.sql)
endtime = datetime.datetime.now()
time_cost = endtime - starttime
logger.debug("to close {0} {1}".format(query_meta.conn_id,
query_meta.bClose))
if query_meta.bClose.lower() == "false":
DbleObject.dble_long_live_conns.update({query_meta.conn_id: conn})
else:
DbleObject.dble_long_live_conns.pop(query_meta.conn_id, None)
conn.close()
return res, err, time_cost
def check_query_in_general_log(self, query, expect_exist, expect_occur_times_expr=None):
conn = MysqlConnUtil(host=self._mysql_meta.ip, user=self._mysql_meta.mysql_user, passwd=self._mysql_meta.mysql_password, db='',
port=self._mysql_meta.mysql_port, autocommit=True)
res, err = conn.execute("show variables like 'general_log_file'")
assert err is None, "get general log file fail for {0}".format(err[1])
conn.close()
general_log_file = res[0][1]
find_query_in_genlog_cmd = 'grep -ni "{0}" {1} | wc -l'.format(query, general_log_file)
ssh = self._mysql_meta.ssh_conn
rc, sto, ste = ssh.exec_command(find_query_in_genlog_cmd)
if expect_exist:
if expect_occur_times_expr is None:
expect_occur_times_expr = "==1"
real_occur_times_as_expected = eval("{0}{1}".format(sto, expect_occur_times_expr))
assert real_occur_times_as_expected, "expect '{0}' occured {1} times in general log, but it occured {2} times".format(
query, expect_occur_times_expr, sto);
else:
assert 0 == int(sto), "expect general log has no {0}, but it occurs {1} times".format(query, sto);