Experimental Physics and
Industrial Control System

Donny Domagoj Cosic via Tech-talk <tech-talk at aps.anl.gov> · Fri, 07 Jan 2022 21:50:16 +0100

Hi Yong,

Thank you for your reply. That is what i figured but was not seeing it

yesterday. It looks like I had a instance of the script running from

before which confused me. It works as you described.

Regards,
---
Donny Domagoj Cosic

Laboratory for Ion Beam Interactions
Ruđer Bošković Institute
Bijenička cesta 54 | HR-10 000 Zagreb | CROATIA
T: +385 1 4561 041 | @: dcosic at irb.hr | www.irb.hr

Dana 07.01.2022 00:14, Hu, Yong via Tech-talk je napisao(la):

Hi Donny,

As long as you use “sudo manage-iocs start myIOC” to start your
IOC and “sudo manage-iocs stop myIOC” to stop your IOC, the Python
process "python your-python-file.py" should be automatically
terminated when the IOC is stopped.

Try this before and after you type “sudo manage-iocs stop myIOC”:
ps -ef | grep your-python-file.py

You will see the process come and then go away.

Cheers,

Yong

FROM: Donny Domagoj Cosic <Donny.Domagoj.Cosic at irb.hr>
 DATE: Thursday, January 6, 2022 at 5:40 PM
 TO: Hu, Yong <yhu at bnl.gov>
 CC: GAGET Alexis <alexis.gaget at cea.fr>, tech-talk at aps.anl.gov
<tech-talk at aps.anl.gov>
 SUBJECT: Re: Start IOC automatically at boot

Hi,

 I added - system "python your-python-file.py &" to my st.cmd file and

 when the ioc starts, the python scripts start! Thank you for the
 suggestion.

 However when I stop the ioc, the python scripts remain running in the

 background. How can I get the python scripts to stop when the ioc is
 stopped?

 Regards,
 ---
 Donny Domagoj Cosic

 Laboratory for Ion Beam Interactions
 Ruđer Bošković Institute
 Bijenička cesta 54 | HR-10 000 Zagreb | CROATIA
 T: +385 1 4561 041 | @: dcosic at irb.hr |
https://urldefense.com/v3/__http://www.irb.hr__;!!P4SdNyxKAPE!WeEYOl_03uqMBGrFKBjASsDC4I7VlxQzQpy_fCSLKoUG-QZEsW1-JZjNVmnB$

 Dana 06.01.2022 18:35, Hu, Yong je napisao(la):
 > Another way automatically start the python script with the ioc,
simply
 > add this kind of line at the end of your IOC’s st.cmd:
 >
 > system "python your-python-file.py &"
 >
 > However, you need include “system.dbd” in your IOC application.
In
 > your application’s src/Makefile, add this kind of line:
 >
 > yourIOCApplicationName_DBD += system.dbd
 >
 > FROM: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of GAGET
 > Alexis via Tech-talk <tech-talk at aps.anl.gov>
 > DATE: Thursday, January 6, 2022 at 12:11 PM
 > TO: Donny Domagoj Cosic <Donny.Domagoj.Cosic at irb.hr>,
 > tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
 > SUBJECT: RE: Start IOC automatically at boot
 >
 > Hi,
 >
 > "Is there a way to automatically start the python script with the
 > ioc?"
 >
 > -> You can simply use procServ as well to execute your python
script
 >
 > -------------------------
 >
 > DE : Tech-talk <tech-talk-bounces at aps.anl.gov> de la part de Donny
 > Domagoj Cosic via Tech-talk <tech-talk at aps.anl.gov>
 > ENVOYÉ : mercredi 5 janvier 2022 21:30:07
 > À : Ralph Lange via Tech-talk
 > OBJET : Start IOC automatically at boot
 >
 > Happy new year!
 >
 > I am trying to install systemd-softioc (procServ) as outlines here
 > https://github.com/NSLS-II/systemd-softioc [1] [1]. I followed the
 > instructions
 > and successfully installed it on my Raspberry Pi. I installed the
IOC
 >
 > and can manually start the softioc, however I am not able to start
 > the
 > IOC using manage-iocs. I get the following output:
 >
 > softioc@raspberrypi:/epics/iocs/testIOC2$ sudo manage-iocs start
 > testIOC2
 > Starting the IOC 'testIOC2' ...
 > Failed to start the IOC 'testIOC2'; type 'sudo journalctl -xe' for
 > details.
 >
 > Below is my config file and output from the journalctl
 >
 > Config
 > ---------
 > NAME=testIOC2
 > PORT=4053
 > HOST=raspberrypi
 > USER=softioc
 > CHDIR="/epics/iocs/testIOC2/iocBoot/ioctestIOC2"
 > EXEC="$CHDIR/st.cmd"
 >
 > Output from journalctl
 > -------------------------
 > Jan 05 21:11:29 raspberrypi sudo[13371]: softioc : TTY=pts/0 ;
 > PWD=/epics/iocs/testIOC2 ; USER=root ; COMMAND=/usr/bin/manage-iocs
 > install testIOC2
 > Jan 05 21:11:29 raspberrypi sudo[13371]: pam_unix(sudo:session):
 > session
 > opened for user root by (uid=0)
 > Jan 05 21:11:29 raspberrypi sudo[13371]: pam_unix(sudo:session):
 > session
 > closed for user root
 > Jan 05 21:11:43 raspberrypi sudo[13423]: softioc : TTY=pts/0 ;
 > PWD=/epics/iocs/testIOC2 ; USER=root ; COMMAND=/usr/bin/manage-iocs
 > start testIOC2
 > Jan 05 21:11:43 raspberrypi sudo[13423]: pam_unix(sudo:session):
 > session
 > opened for user root by (uid=0)
 > Jan 05 21:11:43 raspberrypi systemd[1]: Reloading.
 > Jan 05 21:11:43 raspberrypi systemd[1]: [email protected]:
 > Current command vanished from the unit file, execution of the
command
 >
 > list won't be resume
 > Jan 05 21:11:43 raspberrypi systemd[1]: plexmediaserver.service:
 > Current
 > command vanished from the unit file, execution of the command list
 > won't
 > be resumed.
 > Jan 05 21:11:44 raspberrypi systemd[1]: Condition check resulted in
 > IOC
 > testIOC2 via procServ being skipped.
 > -- Subject: A start job for unit softioc-testIOC2.service has
 > finished
 > successfully
 > -- Defined-By: systemd
 > -- Support:
https://urldefense.com/v3/__https://www.debian.org/support__;!!P4SdNyxKAPE!WeEYOl_03uqMBGrFKBjASsDC4I7VlxQzQpy_fCSLKoUG-QZEsW1-JWSxDXye$
[2] [2]
 > --
 > -- A start job for unit softioc-testIOC2.service has finished
 > successfully.
 > --
 > -- The job identifier is 1803.
 > Jan 05 21:11:45 raspberrypi sudo[13423]: pam_unix(sudo:session):
 > session
 > closed for user root
 > Jan 05 21:11:54 raspberrypi sudo[13487]: softioc : TTY=pts/0 ;
 > PWD=/epics/iocs/testIOC2 ; USER=root ; COMMAND=/usr/bin/journalctl
 > -xe
 > Jan 05 21:11:54 raspberrypi sudo[13487]: pam_unix(sudo:session):
 > session
 > opened for user root by (uid=0)
 >
 > The softioc testIOC2 contains a few records which get updated from
a
 > python script. Which brings me to my next questions. Is there a way
 > to
 > automatically start the python script with the ioc?
 >
 > Thank you very much for your help,
 >
 > Regards
 > --
 > Donny Domagoj Cosic
 >
 > Laboratory for Ion Beam Interactions
 > Ruđer Bošković Institute
 > Bijenička cesta 54 | HR-10 000 Zagreb | CROATIA
 > T: +385 1 4561 041 | @: dcosic at irb.hr |
https://urldefense.com/v3/__http://www.irb.hr__;!!P4SdNyxKAPE!WeEYOl_03uqMBGrFKBjASsDC4I7VlxQzQpy_fCSLKoUG-QZEsW1-JZjNVmnB$
[3] [3]
 >
 > Links:
 > ------
 > [1] https://github.com/NSLS-II/systemd-softioc [1]
 > [2]
 >
https://urldefense.com/v3/__https:/www.debian.org/support__;!!P4SdNyxKAPE!XScIVOM_CZDyHbp9c76gj4WzN_hFVrfqEqfAzjKK-hfgXnNgknPHzlsNS57f$
[4]
 > [3]
 >
https://urldefense.com/v3/__http:/www.irb.hr__;!!P4SdNyxKAPE!XScIVOM_CZDyHbp9c76gj4WzN_hFVrfqEqfAzjKK-hfgXnNgknPHznuurVW7$
[5]

Links:
------
[1] https://github.com/NSLS-II/systemd-softioc
[2]
https://urldefense.com/v3/__https:/www.debian.org/support__;!!P4SdNyxKAPE!WeEYOl_03uqMBGrFKBjASsDC4I7VlxQzQpy_fCSLKoUG-QZEsW1-JWSxDXye$
[3]
https://urldefense.com/v3/__http:/www.irb.hr__;!!P4SdNyxKAPE!WeEYOl_03uqMBGrFKBjASsDC4I7VlxQzQpy_fCSLKoUG-QZEsW1-JZjNVmnB$
[4]
https://urldefense.com/v3/__https:/www.debian.org/support__;!!P4SdNyxKAPE!XScIVOM_CZDyHbp9c76gj4WzN_hFVrfqEqfAzjKK-hfgXnNgknPHzlsNS57f$
[5]
https://urldefense.com/v3/__http:/www.irb.hr__;!!P4SdNyxKAPE!XScIVOM_CZDyHbp9c76gj4WzN_hFVrfqEqfAzjKK-hfgXnNgknPHznuurVW7$

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System