finit/contrib/finit.conf

# Sample finit.conf to demonstrate the syntax
#
hostname = "testbed"

# Linux kernel modules to load
modules = { "button", "evdev", "loop", "psmouse" }

# Top-level cgroups and their default settings.  All groups mandatory
# but more can be added, max 8 groups in total currently.  The cgroup
# 'root' is also available, reserved for RT processes.  Settings are
# as-is, only one shorthand 'mem.' exists, other than that it's the
# cgroup v2 controller default names.
cgroup init   { cpu.weight = 100 }
cgroup user   { cpu.weight = 100 }
cgroup system { cpu.weight = 9700  cpu.max = 50000 }

# Example extra cgroup
cgroup maint  { cpu.weight = 100 }

# Runlevel to start after bootstrap, runlevel 'S'
runlevel = 2

# Network bringup script
network = "service networking start"

# Max file size for each log file: 100 kiB, rotate max 4 copies:
# log => log.1 => log.2.gz => log.3.gz => log.4.gz
log {
	size  = 100k
	count = 4
}

# Virtual consoles to start getty on
tty tty1 { device = "/dev/tty1" }
tty tty2 { device = "/dev/tty2" }
tty tty3 { device = "/dev/tty3" }

# Task to run if ctrl-alt-del is pressed.  This condition is asserted by
# Finit upon receiving SIGINT (from the kernel).
task reboot {
	description = "Rebooting system"
	runlevel    = "12345789"
	conditions  = { "sys/key/ctrlaltdel" }
	command     = "initctl reboot"
}

# Task to run if the kernel gets a power fail condition is pressed.
# Asserted by Finit upon receiving SIGPWR (from the kernel).
task poweroff {
	description = "Shutting down system"
	runlevel    = "12345789"
	conditions  = { "sys/pwr/fail" }
	command     = "initctl poweroff"
}

# Alternative method instead of runparts
#task keyboard-setup {
#	description = "Setting up preliminary keymap"
#	runlevel    = "S"
#	command     = "/etc/init.d/keyboard-setup start"
#}
#task acpid {
#	description = "Starting ACPI Daemon"
#	runlevel    = "S"
#	command     = "/etc/init.d/acpid start"
#}
#task kbd {
#	description = "Preparing console"
#	runlevel    = "S"
#	command     = "/etc/init.d/kbd start"
#}
#run networking {
#	description = "Start networking"
#	runlevel    = "2"
#	command     = "/etc/init.d/networking start"
#}

# Services to be monitored and respawned as needed

# klogd and syslogd are placed in the maint cgroup.  There is no
# "current cgroup" to switch in this format, every block names its own.
service klogd {
	description = "Kernel logging server"
	runlevel    = "2345"
	conditions  = { "pid/syslogd" }
	cgroup maint {}
	command     = "klogd -n"
}
service syslogd {
	description = "Syslog server"
	runlevel    = "2345"
	cgroup maint {}
	command     = "syslogd -n"
}

# gdm gets its own limits inside the system group, which is where
# services end up when no cgroup block is given.
service gdm {
	description = "GNOME Display Manager"
	runlevel    = "3"
	cgroup system {
		cpu.weight = 250
		memory.max = 10M
	}
	command     = "gdm"
}

# Start SSH daemon with opts from /etc/default/ssh (if available), move
# to user cgroup with cpu.weight 250.  Default weight in the user group
# is 100 (above).
service sshd {
	description = "OpenSSH daemon"
	runlevel    = "2345"
	envfile     = "-/etc/default/ssh"
	cgroup user {
		cpu.weight = 250
		memory.max = 10M
	}
	command     = "/usr/sbin/sshd -D $SSHD_OPTS"
}

# The BusyBox ntpd does not use syslog when running in the foreground
# So we use this trick to redirect stdout/stderr to a log file.  The
# log file is rotated with the above settings.  The condition declares
# a dependency on a system default route (gateway) to be set.  ntpd
# does not respect SIGHUP, so Finit restarts it on reload instead.
service ntpd {
	description   = "NTP daemon"
	runlevel      = "2345"
	conditions    = { "net/route/default" }
	reload-signal = "none"
	log { file = "/var/log/ntpd.log" }
	command       = "ntpd -n -l -I eth0"
}

# Run start scripts from this directory
#runparts = "/etc/start.d"

# For multiple instances of the same service, add :ID to the block title.
service httpd:80 {
	description = "Web server"
	runlevel    = "2345"
	command     = "/sbin/httpd -f -h /http -p 80"
}
service httpd:8080 {
	description = "Old web server"
	runlevel    = "2345"
	command     = "/sbin/httpd -f -h /http -p 8080"
}