Table of Contents
php webhook to perform git operations
Key code explanation
Problem Analysis
Linux. Enter the password and use sudo
Add git command without password##.
Home Backend Development PHP Tutorial Writing webhook in PHP cannot execute git

Writing webhook in PHP cannot execute git

Mar 16, 2018 am 11:14 AM
php web webhook

It is very necessary to build a visual version control and code submission platform for online deployment in operation and maintenance management. In this case, it is not very convenient for operation and maintenance personnel to use the command line or git tool in the Linux terminal. The way we need is to use webhook automatic deployment or a web interface-based operation panel to control.

php webhook to perform git operations

Note that this is just a simple demo and cannot be used as a production link

//读取webhookpost提交的数据$data = input('post.');$wdata = [    'ref' => $data['ref'],    'before' => $data['before'],    'after' => $data['after'],    'compare_url' => $data['before']
];//取出需要写入日志的数据if (isset($data['commits'][0])) {    $wdata['commits_id'] = $data['commits'][0]['id'];    $wdata['commits_message'] = $data['commits'][0]['message'];    $wdata['commits_url'] = $data['commits'][0]['url'];    $wdata['commits_author_name'] = $data['commits'][0]['author']['name'];    $wdata['commits_author_email'] = $data['commits'][0]['author']['email'];    $wdata['commits_author_username'] = $data['commits'][0]['author']['username'];    $wdata['commits_committer_name'] = $data['commits'][0]['committer']['name'];    $wdata['commits_committer_email'] = $data['commits'][0]['committer']['email'];    $wdata['commits_committer_username'] = $data['commits'][0]['committer']['username'];
}//如果日志目录不存在则创建这个是为了后期分析日志还是很有必要的//创建目录if (!is_dir("../logs/".$data['repository']['name'])) {
    shell_exec("mkdir ../logs/{$data['repository']['name']}");
}//创建文件if (!file_exists("../logs/{$data['repository']['name']}/".date("Y-m-d").".txt")) {
    shell_exec("touch ../logs/{$data['repository']['name']}/".date("Y-m-d").".txt");
}//写日志文件file_put_contents("../logs/{$data['repository']['name']}/".date("Y-m-d").".txt", implode("|||", $wdata), 2);//看我们的wwwroot目录有没有该项目我的wwwroot目录就是web应用的目录$path = "/data/wwwroot/".$data['repository']['name'];if (!is_dir($path)) {    $commandStr = "cd /data/wwwroot/ && sudo /usr/bin/git clone http://[你自己的git账号]:[你自己的git密码]@git.sikukeji.com/".$data['repository']['full_name'];    $outPut = shell_exec($commandStr);    return Json::create($outPut);
}else{    $commandStr = "cd /data/wwwroot/{$data['repository']['name']} && sudo /usr/bin/git pull";    $outPut = shell_exec($commandStr);    return Json::create($outPut);
}
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Key code explanation

$commandStr = "cd /data/wwwroot/ && sudo /usr/bin/git clone http://[你自己的git账号]:[你自己的git密码]@git.sikukeji.com/".$data['repository']['full_name'];
Copy after login

The above command first switches the working directory to the /data/wwwroot directory, which is my web directory. The second command sudo /usr/bin/git clone http://[your own git account]:[your own git password]@git.sikukeji.com/”.$data['repository']['full_name '];In fact, you just execute the regular git command to clone the code from our online git code base to the local.

Problem Analysis

After writing this, there is no problem with the code. The webhook is not executed, why? When we execute git, we add sudo. Sudo is used to execute the command as the system administrator. We know that when using sudo in Linux, you need to enter the root [administrator] password. What should we do when we use PHP's shell_exec to enter a password? In fact, there is a way to use sudo to execute certain commands without entering a password

Linux. Enter the password and use sudo

We need the configuration file /etc/sudoers. We can guess its meaning from the name of this file.
Writing webhook in PHP cannot execute git

Add git command without password##.

#Because our PHP execution actually uses the www user. We can set this by ourselves. The default is to use the www user to execute git in PHP without a password. The sentence Writing webhook in PHP cannot execute git

www     ALL=NOPASSWD:/usr/bin/git
Copy after login
in the picture authorizes the www user to run git as an administrator on all computers without entering a password. Please check the relevant information for more operations on /etc/sudoers.

If you have any questions, you can send me an email at weiyongqiang@weiyongqiang.com

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About github using webhook to deploy code The problem?

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