--
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements.  See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License.  You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
local log = require("app.core.log")
local ngx = ngx
local io = io
local os = os

local _M = {}

_M.nginx_shutdown = function(pid_path)
    pid_path = pid_path or ngx.config.prefix() .. "/logs/nginx.pid"
    local f, err = io.open(pid_path, "r")
    if err then
        log.error("nginx shutdown err: ", err)
        return
    end
    local pid = f:read()
    f:close()
    log.alert("kill nginx pid: " .. pid)
    os.execute("kill -TERM " .. pid)
end

return _M
