Re: Q: Arbitrary program status for process check?
Noel <[email protected]>
| Newsgroups | gmane.comp.monitoring.monit.general |
|---|---|
| Message-ID | <[email protected]> |
If the check script fails, have it kill the program. Then the program check will notice it's not running and restart it. Or you can write everything into one script... -- Noel Jones On 10/9/2018 1:05 PM, Steven Christensen wrote: > Noel, > > I see what you mean. > > But if check_xyzzy fails, how can I cause xyzzy to be restarted? I > don't know of any way to have one check cause another check to be > restarted. > > I was thinking more, and this may not be solvable with separate > check statements. > I may have to combine both the checking of the process and > checking of the actual functioning of the feature in a single > unified script, like this: > > ===================================== > check program xyzzy with path "/root/check_xyzzy.sh" > start program "/root/start_xyzzy.sh" > stop program /usr/bin/pkill -f "xyzzy" > if status != 0 then restart > ===================================== > > where check_xyzzy.sh checks 2 things: > 1) ps -ef | fgrep "xyzzy" -- to make sure the process exists > 2) check the function that xyzzy provides, to make sure the > function is working > > It would return a bad status if either of these fails. > > -- Steven > > > On Tue, Oct 9, 2018 at 11:22 AM Noel <[email protected] > <mailto:[email protected]>> wrote: > > You have it backwards. check_xyzzy depends on xyzzy. > > First run the process, then run the script to see if the > process is working. > > > -- Noel Jones > > On 10/8/2018 6:08 PM, Steven Christensen wrote: >> Hi Viktor, >> >> Thank you for your examples. You have a very complex monit >> configuration, and I can learn a lot. >> >> However, I tried the "depends" implementation, but it did not >> work when trying to start the service. >> >> If my "xyzzy" service depends on "check_xyzzy" then it will >> not be able to start, because before xyzzy is able to start. >> monit wants check_xyzzy to work, but check_xyzzy doesn't >> succeed, because xyzzy isn't running. It is a "chicken and >> egg" problem. >> >> -- Steven >> >> >> >> On Sat, Oct 6, 2018 at 2:03 AM SZÉPE Viktor <[email protected] >> <mailto:[email protected]>> wrote: >> >> Idézem/Quoting Steven Christensen <[email protected] >> <mailto:[email protected]>>: >> >> > Hello, >> > >> > Long time monit user, and I really love it. >> > >> > I have the following (equivalent) process monitor entry: >> > >> > ===================================== >> > check process xyzzy matching "xyzzy" >> > start program "/root/start_xyzzy.sh" >> > stop program /usr/bin/pkill -f "xyzzy" >> > ===================================== >> > >> > But sometimes the process can exist but it isn't doing >> what it needs to do. >> > I have another script which checks if xyzzy is actually >> working, and >> > returns a status depending on the results of the check. >> > >> > So I'd like something that looks like this (note last >> line): >> > ===================================== >> > check process xyzzy matching "xyzzy" >> > start program "/root/start_xyzzy.sh" >> > stop program /usr/bin/pkill -f "xyzzy" >> > if program "/root/check_xyzzy.sh" status != 0 >> then restart >> > ===================================== >> > >> > It's the last line I don't know how to achieve. Are >> there any suggestions? >> > >> > Thanks - Steven >> >> Hello Steven! >> >> I use tiny script with "depends on" >> https://github.com/szepeviktor/debian-server-tools/blob/master/monitoring/monit/services/fail2ban_script >> to check on services >> https://github.com/szepeviktor/debian-server-tools/blob/master/monitoring/monit/services/fail2ban#L11 >> >> >> SZÉPE Viktor, honlap üzemeltetés / Running your application >> https://github.com/szepeviktor/debian-server-tools/blob/master/CV.md >> -- >> ügyelet/hotline: +36-20-4242498 [email protected] >> <mailto:[email protected]> skype: szepe.viktor >> Budapest, III. kerület >> >> >> >> >> >> >> -- >> To unsubscribe: >> https://lists.nongnu.org/mailman/listinfo/monit-general >> >> > > -- > To unsubscribe: > https://lists.nongnu.org/mailman/listinfo/monit-general > > -- To unsubscribe: https://lists.nongnu.org/mailman/listinfo/monit-general