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openwrt-packages/utils/pservice/README.md
Yousong Zhou d58a81f35c pservice: initial version
The can be convenient for running commands or services as procd services
without needing to separately write initscripts, just uci configuration.

The package was imported from [1].

 [1] 0a85f5c75f/pservice

Ref: https://github.com/yousong/waller/issues/1
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2019-08-06 10:09:58 +08:00

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# uci
`disabled`, bool, default `0`
`name`, string, name of the service instance
`command`, file, the service instance executable
`args`, list of args
`stderr`, bool, default `0`, log stderr output of the service instance
`stdout`, bool, default `0`, log stdout output of the service instance
`env`, list of environment variable settings of the form `var=val`
`file`, list of file names. Service instances will be restarted if content of
these files have changed on service reload event.
`respawn_threshold`, uinteger, default `3600`, time in seconds the instances
have to be in running state to be considered a valid run
`respawn_timeout`, uinteger, default `5`, time in seconds the instance should
be delayed to start again after the last crash
`respawn_maxfail`, uinteger, default `5`, maximum times the instances can
crash/fail in a row and procd will not try to bring it up again after this
limit has been reached
# notes and faq
Initial environment variables presented to service instances may be different
from what was observed on the interactive terminal. E.g. `HOME=/` may affect
reading `~/.ssh/known_hosts` of dropbear ssh instance.
PATH=/usr/sbin:/usr/bin:/sbin:/bin PWD=/ HOME=/
If `list args xxx` seems to be too long causing pain, consider using `/bin/sh`
as the `command`. It is also worth noting that uci supports multi-line option
value.
Child processes will keep running when their parent process was killed. This
is especially the case and should be taken into account with option `command`
being `/bin/sh` and it is recommended to use `exec` as the last shell command.