Keith asked:
For some reason, systemd is not replacing %i or %I with the instance name in ExecStart
/systemd/system/service/[email protected]
[Unit]
Description=Foo service for %I
[Service]
User=keith
ExecStart=/path/to/foo/%i/food
...
/path/to/foo/bar/food
#/bin/bash
node /path/to/foo/bar/bard.js
Then I run:
$ sudo systemctl daemon-reload
$ sudo systemctl start [email protected]
$ sudo systemctl status [email protected]
● [email protected] - Foo service for bar
Loaded: loaded (/etc/systemd/system/[email protected]; disabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2016-09-30 19:07:02 EDT; 6s ago
Process: 18705 ExecStart=/path/to/foo/%i/food (code=exited, status=203/EXEC)
Main PID: 18705 (code=exited, status=203/EXEC)
Sep 30 19:07:02 kptow systemd[1]: Started Foo service for bar.
Sep 30 19:07:02 kptow systemd[1]: [email protected]: Main process exited, code=exited, status=203/EXEC
Sep 30 19:07:02 kptow systemd[1]: [email protected]: Unit entered failed state.
Sep 30 19:07:02 kptow systemd[1]: [email protected]: Failed with result 'exit-code'.
The %I in the description gets replaced, but the %i in the ExecStart doesn’t. I’ve tried using %i/%I, but neither works.
My answer:
The first argument to ExecStart= must be an absolute path to an executable. Substitutions are not accepted.
If you’re just loading a bash script which then starts Node.js, you can do that explicitly:
ExecStart=/bin/bash /path/to/foo/%i/food
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