Nginx 在 Ubuntu 的自动启动 init 脚本

以下代码由PHP站长网 52php.cn收集自互联网

现在PHP站长网小编把它分享给大家，仅供参考

#! /bin/sh
### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: nginx init.d dash script for Ubuntu or other *nix.
# Description:       nginx init.d dash script for Ubuntu or other *nix.
### END INIT INFO
#------------------------------------------------------------------------------
# nginx - this Debian Almquist shell (dash) script,starts and stops the nginx
#         daemon for Ubuntu and other *nix releases.
#
# description:  Nginx is an HTTP(S) server,HTTP(S) reverse 

#               proxy and IMAP/POP3 proxy server.  This 

#               script will manage the initiation of the 

#               server and it's process state.
#
# processname: nginx
# config:      /usr/local/nginx/conf/nginx.conf
# pidfile:     /usr/local/nginx/logs/nginx.pid
# Provides:    nginx
#
# Author:  Jason Giedymin
#          <jason.giedymin AT gmail.com>.
#
# Version: 3.5.1 11-NOV-2013 jason.giedymin AT gmail.com
# Notes: nginx init.d dash script for Ubuntu.
# Tested with: Ubuntu 13.10,nginx-1.4.3
# 
# This script's project home is:
#   http://github.com/JasonGiedymin/nginx-init-ubuntu
#
#------------------------------------------------------------------------------
#                               MIT X11 License
#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2013 Jason Giedymin,http://jasongiedymin.com
#
# Permission is hereby granted,free of charge,to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"),to deal in the Software without restriction,including
# without limitation the rights to use,copy,modify,merge,publish,# distribute,sublicense,and/or sell copies of the Software,and to
# permit persons to whom the Software is furnished to do so,subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS",WITHOUT WARRANTY OF ANY KIND,# EXPRESS OR IMPLIED,INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM,DAMAGES OR OTHER LIABILITY,WHETHER IN AN ACTION
# OF CONTRACT,TORT OR OTHERWISE,ARISING FROM,OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#------------------------------------------------------------------------------

#------------------------------------------------------------------------------
#                               Functions
#------------------------------------------------------------------------------
LSB_FUNC=/lib/lsb/init-functions

# Test that init functions exists
test -r $LSB_FUNC || {
    echo "$0: Cannot find $LSB_FUNC! Script exiting." 1>&2
    exit 5
}

. $LSB_FUNC

#------------------------------------------------------------------------------
#                               Consts
#------------------------------------------------------------------------------
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/nginx/sbin/nginx

PS="nginx"
PIDNAME="nginx"                     #lets you do $PS-slave
PIDFILE=$PIDNAME.pid                #pid file
PIDSPATH=/usr/local/nginx/logs      #default pid location,you should change it

DESCRIPTION="Nginx Server..."

RUNAS=root                          #user to run as

SCRIPT_OK=0                         #ala error codes
SCRIPT_ERROR=1                      #ala error codes
TRUE=1                              #boolean
FALSE=0                             #boolean

lockfile=/var/lock/subsys/nginx
NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"

#------------------------------------------------------------------------------
#                               Simple Tests
#------------------------------------------------------------------------------

# Test if nginx is a file and executable
test -x $DAEMON || {
    echo "$0: You don't have permissions to execute nginx." 1>&2
    exit 4
}

# Include nginx defaults if available
if [ -f /etc/default/nginx ]; then
    . /etc/default/nginx
fi

#set exit condition
#set -e

#------------------------------------------------------------------------------
#                               Functions
#------------------------------------------------------------------------------

setFilePerms(){
    if [ -f $PIDSPATH/$PIDFILE ]; then
        chmod 400 $PIDSPATH/$PIDFILE
    fi
}

configtest() {
    $DAEMON -t -c $NGINX_CONF_FILE
}

getPSCount() {
    return `pgrep -f $PS | wc -l`
}

isRunning() {
    if [ $1 ]; then
        pidof_daemon $1
        PID=$?

        if [ $PID -gt 0 ]; then
            return 1
        else
            return 0
        fi
    else
        pidof_daemon
        PID=$?

        if [ $PID -gt 0 ]; then
            return 1
        else
            return 0
        fi
    fi
}

#courtesy of php-fpm
wait_for_pid () {
    try=0

    while test $try -lt 35 ; do
        case "$1" in
            'created')
            if [ -f "$2" ]; then
                try=''
                break
            fi
            ;;

            'removed')
            if [ ! -f "$2" ]; then
                try=''
                break
            fi
            ;;
        esac

        try=`expr $try + 1`
        sleep 1
    done
}

status(){
    isRunning
    isAlive=$?

    if [ "${isAlive}" -eq $TRUE ]; then
        log_warning_msg "$DESCRIPTION found running with processes:  `pidof $PS`"
        rc=0
    else
        log_warning_msg "$DESCRIPTION is NOT running."
        rc=3
    fi

    return
}

removePIDFile(){
    if [ $1 ]; then
        if [ -f $1 ]; then
            rm -f $1
        fi
    else
        #Do default removal
        if [ -f $PIDSPATH/$PIDFILE ]; then
            rm -f $PIDSPATH/$PIDFILE
        fi
    fi
}

start() {
    log_daemon_msg "Starting $DESCRIPTION"
    
    isRunning
    isAlive=$?
    
    if [ "${isAlive}" -eq $TRUE ]; then
        log_end_msg $SCRIPT_ERROR
        rc=0
    else
        start-stop-daemon --start --quiet --chuid 

        $RUNAS --pidfile $PIDSPATH/$PIDFILE --exec $DAEMON 

        -- -c $NGINX_CONF_FILE
        setFilePerms
        log_end_msg $SCRIPT_OK
        rc=0
    fi

    return
}

stop() {
    log_daemon_msg "Stopping $DESCRIPTION"
    
    isRunning
    isAlive=$?
    
    if [ "${isAlive}" -eq $TRUE ]; then
        start-stop-daemon --stop --quiet --pidfile $PIDSPATH/$PIDFILE

        wait_for_pid 'removed' $PIDSPATH/$PIDFILE

        if [ -n "$try" ]; then
            log_end_msg $SCRIPT_ERROR
            rc=0 # lsb states 1,but under status it is 2 (which is more prescriptive). Deferring to standard.
        else
            removePIDFile
            log_end_msg $SCRIPT_OK
            rc=0
        fi
    else
        log_end_msg $SCRIPT_ERROR
        rc=7
    fi

    return
}

reload() {
    configtest || return $?

    log_daemon_msg "Reloading (via HUP) $DESCRIPTION"

    isRunning

    if [ $? -eq $TRUE ]; then
        kill -HUP `cat $PIDSPATH/$PIDFILE`
        log_end_msg $SCRIPT_OK
        rc=0
    else
        log_end_msg $SCRIPT_ERROR
        rc=7
    fi

    return
}

quietupgrade() {
    log_daemon_msg "Peforming Quiet Upgrade $DESCRIPTION"

    isRunning
    isAlive=$?
    
    if [ "${isAlive}" -eq $TRUE ]; then
        kill -USR2 `cat $PIDSPATH/$PIDFILE`
        kill -WINCH `cat $PIDSPATH/$PIDFILE.oldbin`
        
        isRunning
        isAlive=$?

        if [ "${isAlive}" -eq $TRUE ]; then
            kill -QUIT `cat $PIDSPATH/$PIDFILE.oldbin`
            wait_for_pid 'removed' $PIDSPATH/$PIDFILE.oldbin
            removePIDFile $PIDSPATH/$PIDFILE.oldbin

            log_end_msg $SCRIPT_OK
            rc=0
        else
            log_end_msg $SCRIPT_ERROR
            
            log_daemon_msg "ERROR! Reverting back to original $DESCRIPTION"

            kill -HUP `cat $PIDSPATH/$PIDFILE`
            kill -TERM `cat $PIDSPATH/$PIDFILE.oldbin`
            kill -QUIT `cat $PIDSPATH/$PIDFILE.oldbin`

            wait_for_pid 'removed' $PIDSPATH/$PIDFILE.oldbin
            removePIDFile $PIDSPATH/$PIDFILE.oldbin

            log_end_msg $SCRIPT_OK
            rc=0
        fi
    else
        log_end_msg $SCRIPT_ERROR
        rc=7
    fi

    return
}

terminate() {
    log_daemon_msg "Force terminating (via KILL) $DESCRIPTION"
        
    PIDS=`pidof $PS` || true

    [ -e $PIDSPATH/$PIDFILE ] && PIDS2=`cat $PIDSPATH/$PIDFILE`

    for i in $PIDS; do
        if [ "$i" = "$PIDS2" ]; then
            kill $i
            wait_for_pid 'removed' $PIDSPATH/$PIDFILE
            removePIDFile
        fi
    done

    log_end_msg $SCRIPT_OK
    rc=0
}

destroy() {
    log_daemon_msg "Force terminating and may include self (via KILLALL) $DESCRIPTION"
    killall $PS -q >> /dev/null 2>&1
    log_end_msg $SCRIPT_OK
    rc=0
}

pidof_daemon() {
    PIDS=`pidof $PS` || true

    [ -e $PIDSPATH/$PIDFILE ] && PIDS2=`cat $PIDSPATH/$PIDFILE`

    for i in $PIDS; do
        if [ "$i" = "$PIDS2" ]; then
            return 1
        fi
    done

    return 0
}

action="$1"
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart|force-reload)
        stop
        # if [ $rc -ne 0 ]; then
        #     script_exit
        # fi
        sleep 1
        start
        ;;
    reload)
        $1
        ;;
    status)
        status
        ;;
    configtest)
        $1
        ;;
    quietupgrade)
        $1
        ;;
    terminate)
        $1
        ;;
    destroy)
        $1
        ;;
    *)
        FULLPATH=/etc/init.d/$PS
        echo "Usage: $FULLPATH {start|stop|restart|force-reload|status|configtest|quietupgrade|terminate|destroy}"
        echo "       The 'destroy' command should only be used as a last resort." 
        exit 3
        ;;
esac

exit $rc

以上内容由PHP站长网【52php.cn】收集整理供大家参考研究

如果以上内容对您有帮助，欢迎收藏、点赞、推荐、分享。

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!