akkoma/installation/init.d/akkoma

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#!/sbin/openrc-run
supervisor=supervise-daemon
no_new_privs="yes"
pidfile="/var/run/akkoma.pid"
# Ask process first to terminate itself within 60s, otherwise kill it
retry="SIGTERM/60/SIGKILL/5"
# if you really want to use start-stop-daemon instead,
# also put the following in the config:
# command_background=1
# Adjust defaults as needed in /etc/conf.d/akkoma;
# no need to directly edit the service file
command_user="${command_user:-akkoma:akkoma}"
directory="${directory:-/var/lib/akkoma/akkoma}"
akkoma_port="${akkoma_port:-4000}"
# whether to allow connecting a remote exlixir shell to the running Akkoma instance
akkoma_console=${akkoma_console:-NO}
output_log="${output_log:-/var/log/akkoma}"
error_log="${error_log:-/var/log/akkoma}"
# 0 means unlimited restarts
respawn_max="${respawn_max:-0}"
respawn_delay="${respawn_delay:-5}"
# define respawn period to only count crashes within a
# sliding time window towards respawn_max, e.g.:
# respawn_period=2850
healthcheck_delay="${healthcheck_delay:-60}"
healthcheck_timer="${healthcheck_timer:-30}"
MIX_ENV=prod
ERL_EPMD_ADDRESS="${ERL_EPMD_ADDRESS:-127.0.0.1}"
ERL_AFLAGS="${ERL_AFLAGS:-+sbwt none +sbwtdcpu none +sbwtdio none}"
supervise_daemon_args="${supervise_daemon_args} --env MIX_ENV=${MIX_ENV}"
supervise_daemon_args="${supervise_daemon_args} --env ERL_EPMD_ADDRESS=${ERL_EPMD_ADDRESS}"
supervise_daemon_args="${supervise_daemon_args} --env ERL_AFLAGS='${ERL_AFLAGS}'"
if yesno "${akkoma_console}"; then
command=elixir
command_args="--name akkoma@127.0.0.1 --erl '-kernel inet_dist_listen_min 9001 inet_dist_listen_max 9001 inet_dist_use_interface {127,0,0,1}' -S mix phx.server"
start_post() {
einfo "You can get a console by using this command as akkoma's user:"
einfo "iex --name console@127.0.0.1 --remsh akkoma@127.0.0.1"
}
else
command=/usr/bin/mix
command_args="phx.server"
fi
depend() {
need nginx postgresql
}
start_pre() {
# Ensure logfile ownership and perms are alright
checkpath --file --owner "$command_user" "$output_log" "$error_log" \
|| eerror "Logfile(s) not owned by $command_user, or not a file!"
checkpath --writable "$output_log" "$error_log" \
|| eerror "Logfile(s) not writable!"
# If a recompile is needed perform it with lowest prio
# (delaying the actual start) to avoid hogging too much
# CPU from other services
cd "$directory"
doas -u "${command_user%%:*}" env MIX_ENV="$MIX_ENV" nice -n 19 "$command" compile
}
healthcheck() {
# put akkoma_health=YES in /etc/conf.d/akkoma if you want healthchecking
# and make sure you have curl installed
yesno "$akkoma_health" || return 0
curl -q "localhost:${akkoma_port}/api/akkoma/healthcheck"
}