Make HTTP call on system shutdown using systemd [CentOS 7]

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I need to make a service/script that make a HTTP/POST call on system shutdown to informs a distant server that the system is going to stop.



I've tried to watch the runlevel but it looks like it is not working anymore on CentOS 7 as the runlevel is set to 3 all the time.



I've tried to make a service based on this post, I ended up with the following file :




my_service.service




[Unit]
Description=Service to execute on shutdown
After=network.target network-online.target
Before=shutdown.target

[Service]
Type=oneshot
ExecStart=/bin/true
ExecStop=/etc/path_to_my_script
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target


I've put the follwing line at the beggining of my script:
touch /etc/test_shutdown but the file is never created.
Do you have any idea about how to make this works ?
Thanks for your answers.




centos systemd services shutdown




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  • for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
    – thrig
    May 29 at 17:16










  • I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
    – Lucas Werkmeister
    Jun 1 at 12:39














up vote
0
down vote

favorite












I need to make a service/script that make a HTTP/POST call on system shutdown to informs a distant server that the system is going to stop.



I've tried to watch the runlevel but it looks like it is not working anymore on CentOS 7 as the runlevel is set to 3 all the time.



I've tried to make a service based on this post, I ended up with the following file :




my_service.service




[Unit]
Description=Service to execute on shutdown
After=network.target network-online.target
Before=shutdown.target

[Service]
Type=oneshot
ExecStart=/bin/true
ExecStop=/etc/path_to_my_script
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target


I've put the follwing line at the beggining of my script:
touch /etc/test_shutdown but the file is never created.
Do you have any idea about how to make this works ?
Thanks for your answers.




centos systemd services shutdown




share|improve this question



















  • for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
    – thrig
    May 29 at 17:16










  • I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
    – Lucas Werkmeister
    Jun 1 at 12:39












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I need to make a service/script that make a HTTP/POST call on system shutdown to informs a distant server that the system is going to stop.



I've tried to watch the runlevel but it looks like it is not working anymore on CentOS 7 as the runlevel is set to 3 all the time.



I've tried to make a service based on this post, I ended up with the following file :




my_service.service




[Unit]
Description=Service to execute on shutdown
After=network.target network-online.target
Before=shutdown.target

[Service]
Type=oneshot
ExecStart=/bin/true
ExecStop=/etc/path_to_my_script
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target


I've put the follwing line at the beggining of my script:
touch /etc/test_shutdown but the file is never created.
Do you have any idea about how to make this works ?
Thanks for your answers.




centos systemd services shutdown




share|improve this question











I need to make a service/script that make a HTTP/POST call on system shutdown to informs a distant server that the system is going to stop.



I've tried to watch the runlevel but it looks like it is not working anymore on CentOS 7 as the runlevel is set to 3 all the time.



I've tried to make a service based on this post, I ended up with the following file :




my_service.service




[Unit]
Description=Service to execute on shutdown
After=network.target network-online.target
Before=shutdown.target

[Service]
Type=oneshot
ExecStart=/bin/true
ExecStop=/etc/path_to_my_script
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target


I've put the follwing line at the beggining of my script:
touch /etc/test_shutdown but the file is never created.
Do you have any idea about how to make this works ?
Thanks for your answers.





centos systemd services shutdown





share|improve this question










share|improve this question




share|improve this question









asked May 29 at 16:00









PopoLeDozo

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  • for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
    – thrig
    May 29 at 17:16










  • I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
    – Lucas Werkmeister
    Jun 1 at 12:39
















  • for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
    – thrig
    May 29 at 17:16










  • I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
    – Lucas Werkmeister
    Jun 1 at 12:39















for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
– thrig
May 29 at 17:16




for a local filesystem test (or to otherwise ensure that the script can actually be loaded and run from the filesystem) you probably want to copy the freedesktop.org/software/systemd/man/systemd.mount.html dependencies so the appropriate filesystems are there
– thrig
May 29 at 17:16












I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
– Lucas Werkmeister
Jun 1 at 12:39




I’m not sure if it will work, but try changing the WantedBy= to shutdown.target.
– Lucas Werkmeister
Jun 1 at 12:39















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