[yocto] trouble getting systemd oneshot to run

[Khem Raj]

On Wed, Mar 14, 2018 at 3:20 PM Greg Wilson-Lindberg <GWilson at sakuraus.com>
wrote:

> I changed it to look like:
>
> PACKAGES += "${PN}-service"
>
> FILES_${PN} = "${datadir}/*"
> FILES_${PN}-service = "${systemd_system_unitdir}/canstart.service"
>
> do_install () {
>     if test -e ${WORKDIR}/can_start.sh &&
>        test -e ${WORKDIR}/canstart.service; then
>         install -d ${D}${datadir}/canstart
>         install -m 0755 ${WORKDIR}/can_start.sh ${D}${datadir}/canstart
>         install -d ${D}${systemd_system_unitdir}
>         install -m 0644 ${WORKDIR}/canstart.service ${D}${systemd_system_unitdir}
>         sed -i -e 's|@SCRIPTDIR@|${datadir}/canstart|g' ${D}${systemd_system_unitdir}/canstart.service
>     fi}
>
> SYSTEMD_PACKAGES = "${PN}-service"
> SYSTEMD_SERVICE_${PN}-service = "canstart.service"
> SYSTEMD_AUTO_ENABLE_${PN}-service = "enable"
>
> Still got the same results, my task is not running at startup.
> To make sure that there wasn't some problem in running the script, I
> changed the ExecStart to echo to a file in /tmp. Nothing there. The
> .service file is not being executed.
> I've obviously got something totally messed up, but I'm darned if I
> understand what it is.
>
>
You can check with systemctl status and other commands on the service on
running system and might find more details

>
> ------------------------------
> *From:* Jeremy Thien <jeremyt at adtecinc.com>
> *Sent:* Wednesday, March 14, 2018 1:08 PM
> *To:* Greg Wilson-Lindberg
> *Cc:* yocto at yoctoproject.org
> *Subject:* Re: [yocto] trouble getting systemd oneshot to run
>
> I am no expert, but I have a similar recipe. It might be over complicated,
> but I put the script in one package and the service in another something
> like:
>
> PACKAGES += "${PN}-service"
> FILES_${PN} = "${datadir}/canstart/canstart.sh "
> FILES_${PN}-service = "${systemd_unitdir}/system/canstart.service "
> SYSTEMD_PACKAGES = ${PN}-service"
> SYSTEMD_SERVICE_${PN}-service = canstart.service"
> SYSTEMD_AUTO_ENABLE_${PN}-service = "enable"
>
> Of course, this requires image to install both canstart and
> canstart-service.
>
> Hope this helps,
> Jeremy Thien
>
> On Wed, Mar 14, 2018 at 3:21 PM Greg Wilson-Lindberg <GWilson at sakuraus.com>
> wrote:
>
>> I'm building yocto for a raspberry pi3 from Qt's b2qt version.
>>
>>
>> I'm running into two problems, I've got all of the files copying to the
>> correct locations but the .service is not running at startup. I used
>> connman-conf.bb as the template for my .bb file:
>>
>>
>> SUMMARY="recipe to create CAN bus startup service"
>>
>> LICENSE = "CLOSED"
>> LIC_FILES_CHKSUM = ""
>>
>> inherit systemd
>>
>> SRC_URI = "file://can_start.sh \           file://canstart.service \"
>>
>> S = "${WORKDIR}"
>>
>> PACKAGE_ARCH = "${MACHINE_ARCH}"
>>
>> FILES_${PN} = "${datadir}/*"
>> do_install () {
>>     if test -e ${WORKDIR}/can_start.sh &&
>>        test -e ${WORKDIR}/canstart.service; then
>>         install -d ${D}${datadir}/canstart
>>         install -m 0755 ${WORKDIR}/can_start.sh ${D}${datadir}/canstart
>>         install -d ${D}${systemd_system_unitdir}
>>         install -m 0644 ${WORKDIR}/canstart.service ${D}${systemd_system_unitdir}
>>         sed -i -e 's|@SCRIPTDIR@|${datadir}/canstart|g' ${D}${systemd_system_unitdir}/canstart.service
>>     fi}
>>
>> SYSTEMD_SERVICE_${PN} = "canstart.service"
>>
>>
>> Service file:
>>
>> [Unit]
>> Description=Startup CAN bus interface
>>
>> [Service]
>> Type=oneshot
>> ExecStart=@SCRIPTDIR@/can_start.sh
>>
>> [Install]
>> WantedBy=network.target
>>
>>
>> From looking at the connman-conf sample I'm setting everything up
>> correctly and the service should default to running on startup but it is
>> not.
>>
>> The second 'problem' is really just perplexing, if I dump the variables S
>> contains a path to a directory in my root not "${WORKDIR}".
>>
>> Any and all help with this would be greatly appreciated.
>>
>>
>> Regards,
>>
>> Greg Wilson-Lindberg
>> --
>> _______________________________________________
>> yocto mailing list
>> yocto at yoctoproject.org
>> https://lists.yoctoproject.org/listinfo/yocto
>>
> --
> Jeremy Thien
> Director of Engineering | Adtec Digital
> jeremy.thien at adtecdigital.net | mobile: +1 (904) 910-1749
> --
> _______________________________________________
> yocto mailing list
> yocto at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/yocto
>
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