[ovs-dev] [PATCH 2/2] xenserver: Added additional logging to ovs-external-ids

Justin Pettit jpettit at nicira.com
Thu Sep 23 18:49:53 PDT 2010


You beat me too it.  :-)  Just a couple of other minor things:

	- You don't need to import "traceback" anymore.

	- I think logging the SIGHUP at warning level is a bit high.  Maybe info?

Thanks!

--Justin


On Sep 23, 2010, at 6:37 PM, Ethan Jackson wrote:

> Oops my bad, forgot the  except SystemExit: clause.  I will add that too
> 
> On Thu, Sep 23, 2010 at 18:35, Ethan Jackson <ethan at nicira.com> wrote:
>> Added additional logging for debug-ability and migrated to python
>> logging module.
>> 
>> Signed-off-by: Ethan Jackson <ethan at nicira.com>
>> ---
>>  .../usr_share_openvswitch_scripts_ovs-external-ids |   26 ++++++++++++++-----
>>  1 files changed, 19 insertions(+), 7 deletions(-)
>> 
>> diff --git a/xenserver/usr_share_openvswitch_scripts_ovs-external-ids b/xenserver/usr_share_openvswitch_scripts_ovs-external-ids
>> index 72ecb40..5365702 100755
>> --- a/xenserver/usr_share_openvswitch_scripts_ovs-external-ids
>> +++ b/xenserver/usr_share_openvswitch_scripts_ovs-external-ids
>> @@ -21,12 +21,13 @@
>>  # Bridge table and duplicates its value to the preferred "xs-network-uuids".
>> 
>>  import getopt
>> +import logging, logging.handlers
>>  import os
>>  import signal
>>  import subprocess
>>  import sys
>> -import syslog
>>  import time
>> +import traceback
>> 
>>  import XenAPI
>> 
>> @@ -36,6 +37,14 @@ import ovs.util
>>  import ovs.daemon
>>  import ovs.db.idl
>> 
>> +s_log     = logging.getLogger("ovs-external-ids")
>> +l_handler = logging.handlers.SysLogHandler(
>> +        "/dev/log",
>> +        facility=logging.handlers.SysLogHandler.LOG_DAEMON)
>> +l_formatter = logging.Formatter('%(filename)s: %(levelname)s: %(message)s')
>> +l_handler.setFormatter(l_formatter)
>> +s_log.addHandler(l_handler)
>> +
>>  vsctl="/usr/bin/ovs-vsctl"
>>  session = None
>>  force_run = False
>> @@ -55,8 +64,7 @@ def init_session():
>>         session.xenapi.login_with_password("", "")
>>     except:
>>         session = None
>> -        syslog.syslog(syslog.LOG_WARNING,
>> -                "ovs-external-ids: Couldn't login to XAPI")
>> +        s_log.warning("Couldn't login to XAPI")
>>         return False
>> 
>>     return True
>> @@ -67,6 +75,8 @@ def init_session():
>>  # record of XAPI.
>>  def get_bridge_id(br_name, default=None):
>>     if not init_session():
>> +        s_log.warning("Failed to get bridge id %s because"
>> +                " XAPI session could not be initialized" % br_name)
>>         return default
>> 
>>     for n in session.xenapi.network.get_all():
>> @@ -86,6 +96,8 @@ def get_iface_id(if_name, default=None):
>>     domain,device = if_name.strip("vif").split(".")
>> 
>>     if not init_session():
>> +        s_log.warning("Failed to get interface id %s because"
>> +                " XAPI session could not be initialized" % if_name)
>>         return default
>> 
>>     for n in session.xenapi.VM.get_all():
>> @@ -103,8 +115,7 @@ def set_external_id(table, record, key, value):
>>     cmd = [vsctl, "--timeout=30", "-vANY:console:emer", "set", table, record, col]
>>     exitcode = subprocess.call(cmd)
>>     if exitcode != 0:
>> -        syslog.syslog(syslog.LOG_WARNING,
>> -                "ovs-external-ids: Couldn't call ovs-vsctl")
>> +        s_log.warning("Couldn't call ovs-vsctl")
>> 
>>  # XAPI on XenServer 5.6 uses the external-id "network-uuids" for internal
>>  # networks, but we now prefer "xs-network-uuids".  Look for its use and
>> @@ -224,6 +235,7 @@ def main(argv):
>>             continue
>> 
>>         if force_run:
>> +            s_log.warning("Forced to re-run as the result of a SIGHUP")
>>             bridges    = {}
>>             interfaces = {}
>>             force_run  = False
>> @@ -263,6 +275,6 @@ def main(argv):
>>  if __name__ == '__main__':
>>     try:
>>         main(sys.argv)
>> -    except error.Error, e:
>> -        sys.stderr.write("%s\n" % e)
>> +    except:
>> +        s_log.exception("traceback")
>>         sys.exit(1)
>> --
>> 1.7.3
>> 
>> 
>> _______________________________________________
>> dev mailing list
>> dev at openvswitch.org
>> http://openvswitch.org/mailman/listinfo/dev_openvswitch.org
>> 
> 
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