Hello openembedded-core developers,
We are using systemd service files that use instance name to configure their WantedBy dependency. The names of the services could be abc@multi-user.service<mailto:abc@multi-user.service> or abc@basic.service<mailto:abc@basic.service> – the abc@.service<mailto:abc@.service> is a template systemd service that reference the instance using “%i” in the [Install] section. [Install] WantedBy=%i.target Expected behavior: When enabling abc@multi-user.service, WantedBy=%i.target is replaced as WantedBy=multi-user.target because the abc@multi-user.service’s<mailto:abc@multi-user.service%E2%80%99s> instance name is “multi-user”. And the enable script would then create a symlink from /etc/systemd/system/multi-user.target.wants/abc@.service -> /usr/lib/systemd/system/abc@.service Actual behavior: When using openembedded-core’s native systemctl script for enabling abc@multi-user.service during a yocto build, the %i is not replaced. The symlink created is /etc/systemd/system/%i.target.wants/abc@multi-user.service -> /usr/lib/systemd/system/abc@.service Currently, for Yocto’s systemctl script to replace the “%i” with instance, the first character after WantedBy= must not be a “%” character. The regex used is in https://github.com/openembedded/openembedded-core/blob/master/meta/recipes-core/systemd/systemd-systemctl/systemctl#L205 (pasting the github mirror link because the normal git repo is inaccessible at my end currently). It seems like faulty behavior from my perspective. Systemd.unit<https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html#Specifiers> man page does not mention any restriction about having “%i” be the first pattern after WantedBy=, and systemd’s systemctl program currently allows WantedBy=%i.target. Thank you, Eric
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