Community discussion is present here: http://community.pbspro.org/t/pp-838-support-for-logging-via-syslog-in-pbs/591
...
facility = //PBS_SYSLOG from pbs.conf
severity = // PBS_SYSLOGSEVR from pbs.conf (by default NONE)
Methods:
def _get_log_type()
Summary: logic for which messages to read (local logs / syslog)
Input
syslog - by default None
Description:
1) read from PBS.conf - PBS_SYSLOG & PBS_LOCALLOG. a) Check if the PBS_SYSLOG & PBS_LOCALLOG are set in the pbs.conf file
b) If PBS_SYSLOG is not set, we will locally in code set variable PBS_SYSLOG=0
c) If PBS_LOCALLOG is not set, we will locally in code set variable PBS_LOCALLOG=1
2) Logic for whether to read local logs/ syslog we will follow this table -
...
| ||||||||||||||||||||||||||
|
Note: In row 4 where we have to match in both syslog and local log, we would have to call _log_match() twice.
Note: In case of row 4 the return value for log_match() will return lines from local_logs only.
Note: Currently we are only supporting for the current syslog file and not for previous days file. That would be covered in PP-969
Note: The error thrown will be PtlLogMatchError
Return:
self.file_to_check (/ / file_to_check =1 for syslog, file_to_check=2 for local logs and file_to_check=3 for both)
def _get_syslog_lines(hostname, n, logval):
...
- get type of syslog utility (rsyslog/syslog-ng) running on host and syslog conf file. Currently we are only supporting rsyslog and not syslog-ng
- get PBS_SYSLOGSEVR from pbs.conf. If it is not set throw error PBSConfigError that set PBS_SYSLOGSEVR
- According to utility get list_of_priorites[] (severity + facility) - _get_rsyslog_priorites()
- With the priorities get list_of_syslog_files[] (if there is no list of files returned, throw PTL error) _get_rsyslog_files()
- Get lines from each of the files in list_of_syslog_files[] . This will consider the n and logval arguments. Only the specified logval messages will be considered
If no lines are returned throw PTLerror - Combine and Sort lines by datetime
...
return: Sorted + combined_lines (This list of lines will be used by the match_msg() for log_match
def _get_rsyslog_priorites(self, severity=None, facility=None)
...
return list_of_priorities[]
def _get_rsyslog_files(self, list_of_priorities[])
...
1) PBSSyslogUtils._get_log_type() to check if local logs/ syslog is to be checked
x= PBSSyslogUtils._get_log_type(syslog=syslog)
2) if x =1 or 3 - read _log_match(syslog=true)
...
lines = self.PBSSyslogUtils._get_syslog_lines(hostname=self.hostname, n=n, logval=logval)
...