mirror of
https://github.com/troglobit/finit.git
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Joachim Wiberg
b79245ddb3
This patch drops the default signal handlers for SIGPWR and SIGINT with optional tasks in /etc/finit.conf, triggered by two new conditions: sys/pwr/fail and sys/key/ctrlaltdel, respectively. Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
86 lines
3.2 KiB
Plaintext
86 lines
3.2 KiB
Plaintext
# Sample finit.conf to demonstrate the syntax
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#
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host testbed
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# Linux kernel modules to load
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module button
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module evdev
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module loop
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module psmouse
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# Top-level cgroups and their default settings. All groups mandatory
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# but more can be added, max 8 groups in total currently. The cgroup
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# 'root' is also available, reserved for RT processes. Settings are
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# as-is, only one shorthand 'mem.' exists, other than that it's the
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# cgroup v2 controller default names.
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cgroup init cpu.weight:100
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cgroup user cpu.weight:100
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cgroup system cpu.weight:9700 cpu.max:50000
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# Example extra cgroup
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cgroup maint cpu.weight:100
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# Runlevel to start after bootstrap, runlevel 'S'
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runlevel 2
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# Network bringup script
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network service networking start
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# Max file size for each log file: 100 kiB, rotate max 4 copies:
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# log => log.1 => log.2.gz => log.3.gz => log.4.gz
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log size:100k count:4
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# Virtual consoles to start getty on
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tty /dev/tty1
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tty /dev/tty2
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tty /dev/tty3
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# Task to run if ctrl-alt-del is pressed. This condition is asserted by
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# Finit upon receiving SIGINT (from the kernel).
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task <sys/key/ctrlaltdel> [12345789] initctl reboot -- Rebooting system
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# Task to run if the kernel gets a power fail condition is pressed.
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# Asserted by Finit upon receiving SIGPWR (from the kernel).
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task <sys/pwr/fail> [12345789] initctl poweroff -- Shutting down system
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# Alternative method instead of runparts
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#task [S] /etc/init.d/keyboard-setup start -- Setting up preliminary keymap
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#task [S] /etc/init.d/acpid start -- Starting ACPI Daemon
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#task [S] /etc/init.d/kbd start -- Preparing console
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#run [2] /etc/init.d/networking start -- Start networking
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# Services to be monitored and respawned as needed
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# klgod and syslogd are placed in the maint cgroup
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cgroup.maint
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service [2345] <pid/syslogd> klogd -n -- Kernel logging server
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service [2345] syslogd -n -- Syslog server
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# gdm in the system cgroup (default when read from it's own .conf file)
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cgroup.system
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service [3] cgroup:cpu.weight:250,mem.max:10M gdm -- GNOME Display Manager
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# Start SSH daemon with opts from /etc/default/ssh (if available), move
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# to user cgroup with cpu.weight:250. Default for services is system
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# group. Default weight in user group is 100 (above). Max length of
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# cgroup argument is (currently) 63 chars.
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#
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# Notice alternative syntax where current cgroup is only set for this
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# particular service.
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service [2345] cgroup.user:cpu.weight:250,mem.max:10M env:-/etc/default/ssh /usr/sbin/sshd -D $SSHD_OPTS -- OpenSSH daemon
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# The BusyBox ntpd does not use syslog when running in the foreground
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# So we use this trick to redirect stdout/stderr to a log file. The
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# log file is rotated with the above settings. The condition declares
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# a dependency on a system default route (gateway) to be set. A single
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# <!> at the beginning means ntpd does not respect SIGHUP for restart.
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service [2345] <!net/route/default> log:/var/log/ntpd.log ntpd -n -l -I eth0 -- NTP daemon
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# Run start scripts from this directory
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# runparts /etc/start.d
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# For multiple instances of the same service, add :ID somewhere between
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# the service/run/task keyword and the command.
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service :80 [2345] /sbin/httpd -f -h /http -p 80 -- Web server
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service :8080 [2345] /sbin/httpd -f -h /http -p 8080 -- Old web server
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