sadm_nmon_watcher.py
This script is automatically run from the client crontab every 45 minute. It check if the performance collector ‘nmon’ is running, it it isn’t it will start it.
NAME
sadm_nmon_watcher.py
This script ensure that ‘nmon’ performance monitor is running.
SYNOPSIS
sadm_nmon_watcher.py [-d 0-9] [-h] [-v]
$SADMIN/bin/sadm_nmon_watcher.py - v1.5
Posted 2021-06-25 - Updated 2023-10-18
Supported on Linux
Can be executed on a client and on the SADMIN Server.
DESCRIPTION
This script is automatically run from the client crontab every 45 minute. It check if the performance collector ‘nmon’ is running, it it isn’t it will start it.
EXAMPLE
# sadm_nmon_watcher.sh
================================================================================
Tue 29 Jun 2021 10:35:10 AM EDT - sadm_nmon_watcher.sh V2.7 - SADM Lib. V3.70
Server Name: ubuntu2104.maison.ca - Type: LINUX
UBUNTU 21.04 Kernel 5.11.0-22-generic
==================================================
[OK] Yes, 'nmon' is available (/usr/bin/nmon)
There is 1 nmon process actually running
1 root 4005672 1 0 00:00 ? 00:00:04 /usr/bin/nmon -f -s120 -c719 -t -m /opt/sadmin/dat/nmon
Nmon already Running ... Nothing to Do.
Last nmon files created
-rw-rw-r-- 1 sadmin sadmin 649832 Jun 28 23:56 ubuntu2104_210628_0000.nmon
-rw-r--r-- 1 root root 318130 Jun 29 10:34 ubuntu2104_210629_0000.nmon
==================================================
Script exit code is 0 (Success) and execution time is 00:00:10
History (/opt/sadmin/dat/rch/ubuntu2104_sadm_nmon_watcher.rch) trim to 35 lines ($SADM_MAX_RCLINE=35).
Script will send an alert only when it terminate with error ($SADM_ALERT_TYPE=1).
Script succeeded, no alert will be send to 'default' alert group.
Log /opt/sadmin/log/ubuntu2104_sadm_nmon_watcher.log trim to 500 lines ($SADM_MAX_LOGLINE=500).
End of sadm_nmon_watcher.sh - Tue 29 Jun 2021 10:35:11 AM EDT
================================================================================
OPTIONS
| Options | Description |
|---|---|
| [ -d 0-9 ] | Set debug level from 0 to 9 (Default is 0) |
| [ -h ] | Display this help and exit. |
| [ -v ] | Output version information and exit. |
ENVIRONMENT
- The “$SADMIN” environment variable must be defined and contains the root directory of the SADMIN tools (normally /opt/sadmin). It should be already done, the setup script have updated the ‘/etc/profile.d/sadmin.sh’ and the ‘/etc/environment’ files.
- The SADMIN configuration file, is needed and loaded in memory at the beginning of every scripts. This file should already exist and contains your SADMIN configuration and preference setting.
- For Shell script the Shell Library is used and for Python script the Python Library is used.
EXIT STATUS
| Exit Code | Description |
|---|---|
| 0 | An exit status of zero indicates success. |
| 1 | Failure is indicated by a nonzero value, typically ‘1’. |
AUTHOR
Jacques Duplessis
Any suggestions or bug report can be submitted at the support page
COPYRIGHT
Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later
This is free software, you are free to change and redistribute it.
There is NO WARRANTY to the extent permitted by law.
SEE ALSO
| Link to … | Description |
|---|---|
| sadmin.cfg | SADMIN main configuration file |
| sadm_nmon_rrd_update.sh | Daily performance database update |
| sadm_server crontab | It execute everything that keep SADMIN running smoothly |
| sadm_client crontab | Collect perf. & system information, run system monitor and housekeeping |
| sadm_nmon_watcher.sh | If performance collector (nmon) is not running, start it. |