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|
#!/bin/sh
# PROVIDE: nbdkit
# REQUIRE: NETWORKING
#
# Configuration settings for nbdkit in /etc/rc.conf:
#
# nbdkit_enable (bool): Enable nbdkit. (default=NO)
# nbdkit_flags (str): Arguments used by all profiles.
# nbdkit_profiles (list): Profiles.
# nbdkit_<profile>_flags (str): Per profile arguments.
. /etc/rc.subr
name="nbdkit"
desc="Network Block Device server toolkit with stable ABI and permissive license"
rcvar="${name}_enable"
start_precmd="nbdkit_prestart"
start_cmd="nbdkit_start"
stop_cmd="nbdkit_stop"
restart_cmd="nbdkit_restart"
status_cmd="nbdkit_status"
nbdkit_bin="%%PREFIX%%/sbin/${name}"
sig_stop=SIGTERM
pid_directory="/var/run/${name}"
load_rc_config $name
: ${nbdkit_enable:="NO"}
nbdkit_check_pidfile()
{
local profile
profile="$1"
local pidfile
pidfile="${pid_directory}/${profile}.pid"
local rc_pid
rc_pid=$(check_pidfile "${pidfile}" "${nbdkit_bin}")
echo "${rc_pid}"
}
nbdkit_prestart()
{
if [ ! -d "${pid_directory}" ]; then
mkdir -p -- "${pid_directory}"
fi
}
nbdkit_start()
{
local profile
profile="$1"
local rc_pid
rc_pid=$(nbdkit_check_pidfile "${profile}")
if [ -n "${rc_pid}" ]; then
echo 1>&2 "nbdkit profile '${profile}' already running? (pid=${rc_pid})"
return 1
fi
startmsg "Starting nbdkit profile '${profile}'."
local flags
eval flags="\${nbdkit_${profile}_flags}"
local pidfile
pidfile="${pid_directory}/${profile}.pid"
eval "${nbdkit_bin}" --pidfile "${pidfile}" ${nbdkit_flags} ${flags}
}
nbdkit_stop()
{
local profile
profile="$1"
local rc_pid
rc_pid=$(nbdkit_check_pidfile "${profile}")
local pidfile
pidfile="${pid_directory}/${profile}.pid"
if [ -z "${rc_pid}" ]; then
echo 1>&2 "nbdkit profile '${profile}' not running? (check ${pidfile})"
return 1
fi
echo "Stopping nbdkit profile '${profile}'."
kill -${sig_stop} "${rc_pid}"
wait_for_pids "${rc_pid}"
}
nbdkit_restart()
{
nbdkit_stop "$1"
nbdkit_start "$1"
}
nbdkit_status()
{
local profile
profile="$1"
local rc_pid
rc_pid=$(nbdkit_check_pidfile "${profile}")
if [ -n "${rc_pid}" ]; then
echo "nbdkit profile '${profile}' is running as pid ${rc_pid}"
else
echo "nbdkit profile '${profile}' is not running."
fi
}
cmd="$1"
if [ $# -gt 0 ]; then
shift
fi
if [ -n "$1" ]; then
nbdkit_profiles="$1"
fi
if [ -z "${nbdkit_profiles}" ]; then
warn "No profiles are configured, configure one to make this rc script useful!"
fi
for profile in ${nbdkit_profiles}; do
run_rc_command "${cmd}" "${profile}"
done
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