前端工程师通过nodejs链接linux，并上传代码进行半自动化更新，省去ssh+ftp的链接工具

这几天，有一个临时项目，每次发布，都要我本地手动zip，上传fpt，然后shell unzip.

搞得头大，不胜其烦。

我是个懒人，这明显不是我的风格。

干脆nodejs写一个自动链接服务器，并上传文件，然后解压的操作吧。

/**
 * Created by jsoncode on 2019/4/25.
 */
var clientServer = require('./clientServer');
var ip = [
        '127.0.0.1'//server ip
    ];
var filename = 'test.zip';
var localPaht = './a/b/';
var serverPath = '/home/a/b/';
var newDirName = 'www';

var timestr = dateFormat('yyyy-MM-dd_HH.mm.ss');
var cmd = [
    `mkdir ${serverPath}${newDirName}`,
    `mv ${serverPath}${filename} ${serverPath}${newDirName}/`,
    `unzip ${serverPath}${newDirName}/${filename} -d ${serverPath}${newDirName}/`,
    `rm -f ${serverPath}${newDirName}/${filename}`,
    `mv ${serverPath}${newDirName} ${serverPath}${newDirName}-${timestr}`,
    `mv ${serverPath}${newDirName} ${serverPath}${newDirName}`,
];

var cmdIndex = 0;

new Promise(function (success,error) {
    console.log('开始上传')
    clientServer.putFiles(ip,filename, localPaht, serverPath,function (msg) {
        console.log(msg);
        success()
    })
})
.then(function () {
    loopCmd(0,true);
})

function loopCmd(index,indeep) {
    if (index>=cmd.length) {console.log('全部执行完毕');return;}
    var c = cmd[index];
    console.log(c);
    clientServer.cmdShell2(c,ip,function (result) {
        console.log(result);
        if (indeep) {
            index++;
            loopCmd(index,indeep);
        }
    })
}
function dateFormat(formatString,date){
    var date = date||new Date();
    var o = {
        Y: date.getFullYear(),
        M: date.getMonth() + 1,
        D: date.getDate(),
        H: date.getHours(),
        m: date.getMinutes(),
        S: date.getSeconds()
    };
    for (var i in o) {
        if (o.hasOwnProperty(i)) {
            if (o[i] < 10) {
                o[i] = '0' + o[i];
            }
        }
    }
    var formatString = formatString || 'yyyy/MM/dd HH:mm:ss';
    var reg = new RegExp('[Yy]+|M+|[Dd]+|[Hh]+|m+|[Ss]+', 'g');
    var regM = new RegExp('m');
    var regY = new RegExp('y', 'i');
    return formatString.replace(reg, function(v) {
        var old = v;
        if (regM.test(v)) {
            old = o.m;
        } else if (regY.test(v)) {
            var y = '' + o.Y;
            var le = y.length - (v.length == 1 ? 2 : v.length);
            old = y.substring(y.length, le)
        } else {
            var key = v.toUpperCase().substr(0, 1);
            old = o[key];
        }
        return old;
    });
}

以下是clientServer.js的代码，原作者kevalin，网上找的代码，忘了留原始链接。这里给作者说一声抱歉。

需要配置一个私钥路径，即可链接服务器了。

/**
 * Created by kevalin on 2015/4/27.
 */
var async = require('async');
var SSH2Utils = require('ssh2-utils');
var fs = require('fs');
var ssh = new SSH2Utils();
var privateKey = '../xxx.pem';

/*
exec linux shell on remote-servers
----------------------------------------------------------------------------------------------
 */
exports.cmdShell2 = function(cmd, ips, callback) {
    if(!cmd || !ips || !ips.length) {
        console.log('cmdShell2 ERR - 缺少参数')
    }
    else {
        var results = [];
        async.waterfall([
            function(cb1) {
                var servers = [];
                for(var i = 0; i < ips.length; i++) {
                    var _server = {};
                    _server['host'] = ips[i];
                    _server['username'] = 'root';
                    _server['privateKey'] = fs.readFileSync(privateKey);
                    servers.push(_server)
                }
                cb1(null, servers)
            },
            function(servers, cb1) {
                async.each(servers, function(server, cb2) {
                    var _result = {};
                    ssh.exec(server, cmd, function(err, stdout, stderr, server, conn) {
                        if (err) throw err;
                        _result['ip'] = server.host;
                        _result['cmdResult'] = stdout.replace('\n\n', '').replace('\n', '');
                        results.push(_result);
                        conn.end()
                        cb2()
                    })
                }, function(err) {
                    cb1(err, results)
                })
            }
        ], function(err, result) {
            if (err) throw err;
            callback(result)
        })
    }
}

/*
put file to remote-servers function
----------------------------------------------------------------------------------------------
 */
exports.putFiles = function(ips, filename, localPath, remotePath, callback) {
    if (!ips || !filename || !remotePath || !localPath) {
        console.log('putFiles ERR - 缺少参数')
    }
    else {
        async.waterfall([
            function(cb1) {
                var servers = [];
                for(var i = 0; i < ips.length; i++) {
                    var _server = {};
                    _server['host'] = ips[i];
                    _server['username'] = 'root';
                    _server['privateKey'] = fs.readFileSync(privateKey);
                    servers.push(_server)
                }
                cb1(null, servers)
            },
            function(servers, cb1) {
                async.each(servers, function(server, cb2) {
                    var _localFile = localPath + filename;
                    var _remoteFile = remotePath + filename;
                    ssh.putFile(server, _localFile, _remoteFile, function(err, server, conn) {
                        if (err) {
                            console.log(err)
                        }
                        conn.end();
                        cb2()
                    })
                }, function(err) {
                    cb1()
                })
            }
        ], function(err, result) {
            if (err) throw err;
            callback('put file success!!!')
        })
    }
}

我现在只需要吧代码打包成zip，就行了，然后执行：

node index.js