support for dynamic multiplexing of services #753
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Use the realpath of the target to locate which system directory it's in, using it as a base to load the config file. the service path is then normalized from the symlink without dereferencing it. Introduce a new variable for openrc-run, $RC_SYSCONFDIR, which points to the respective system directory of the base service. Signed-off-by: Anna (navi) Figueiredo Gomes <[email protected]>
Generate a new directory on the service dir, "multiplexed", which will hold all the symlinks we generate at runtime, and a new librc function, "rc_service_multiplex", which takes a basename or service path, and a variant name, then generated a symlink to the base service from the multiplex dir. This allows multiplexing services at runtime, possibly using data acquired at runtime, such as the name of an user or interface.
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currently working on how to make sure multiplexed services get added to the deptree properly probably gonna split the deptree generating function so we can also call it per-service |
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generate a new directory on the service dir, "multiplexed", which will
hold all the symlinks we generate at runtime, and a new librc function,
"rc_service_multiplex", which takes a basename or service path, and a
variant name, then generated a symlink to the base service from the
multiplex dir.
this allows multiplexing services at runtime, possibly using data
acquired at runtime, such as the name of an user or interface.
this is the second of three patchsets for user services support
as an initial barebones implementation, it's useful only for generating
services without dynamically multiplexed dependencies, as this is what's
needed for bootstrapping the openrc user script in a new session.
a future patch may improve on it, possibly integrating it in dependency
resolution and on the rc-service tool.