#!/bin/sh

# PROVIDE: ollama
# REQUIRE: LOGIN
# KEYWORDS: shutdown

# Add the following lines to /etc/rc.conf to enable ollama
# ollama_enable="YES"
#
# ollama_enable (bool):    Set to YES to enable ollama
#                          Default: NO
# ollama_user (str):       Ollama daemon user
#                          Default: root
# ollama_args (str):       Additional arguments for ollama
#                          Default: ""
# ollama_log (str):        Log file for ollama
#                          Default: "/var/log/ollama-$user.log"
# ollama_pidfile (str):    PID file for ollama
#                          Default: "/var/run/ollama-$user.pid"
# ollama_context_length (int): Context length for ollama (OLLAMA_CONTEXT_LENGTH)
#                          Default: 65536
# ollama_use_vulkan (int): Use Vulkan (OLLAMA_VULKAN)
#                          Default: 1, 0 to disable

. /etc/rc.subr

name="ollama"
rcvar=ollama_enable

load_rc_config $name

: ${ollama_enable:="NO"}
: ${ollama_user:="root"} # the user nobody doesn't have a home directory and ollama needs one to store the models
: ${ollama_args:="serve"}
: ${ollama_log:="/var/log/ollama-${ollama_user}.log"}
: ${ollama_pidfile:="/var/run/${name}-${ollama_user}.pid"}
: ${ollama_context_length:="65536"}
: ${ollama_use_vulkan:="1"}

run_command="%%PREFIX%%/bin/ollama"
procname="${run_command}"
pidfile=${ollama_pidfile}
command=/usr/sbin/daemon
command_args="-f -t ${name} -p ${pidfile} -o ${ollama_log} ${run_command} ${ollama_args}"

start_precmd="ollama_precmd"
ollama_chdir=/tmp

ollama_precmd()
{
    # set environment variables for the ollama server
    export OLLAMA_CONTEXT_LENGTH=${ollama_context_length}
    export HOME=$(eval echo "~${ollama_user}")
    if [ "$ollama_use_vulkan" != "0" ]; then
        export OLLAMA_VULKAN=1
    else
        export OLLAMA_VULKAN=0
    fi
    # ensure log file exists
    touch ${ollama_log} ${pidfile}
    chown ${ollama_user} ${ollama_log} ${pidfile}
    chmod 640 ${ollama_log}
}

run_rc_command "$1"