[LINUX] A Python script that allows you to check the status of the server from your browser


Monitor the status of the server from your browser. I made it with a little improvement, referring to the introductory book on Python. It's not a big deal, but I made it so much so I'll keep it.


When executed on the server, it listens on port 8000. A menu is displayed when opened in a browser.


Click the command to see the result on your browser.


Source code

# coding: UTF-8

import BaseHTTPServer, shutil, os
from cStringIO import StringIO

class  MyHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):

HTTP path and command line command of the service to be provided

    cmds = { '/free': 'free',
            '/cpuinfo' : 'cat /proc/cpuinfo',
            '/netstat' : 'netstat -anp',
            '/netstat-nlt' : 'netstat -nlt',
            '/uptime' : 'uptime',
            '/vmstat' : 'vmstat',
            '/df' : 'df -h',
            '/sar' : 'sar',
            '/hostname' : 'hostname',
            '/date' : 'date',
            '/ps' : 'ps aux',
            '/iostat' : 'iostat',
            '/pstree' : 'pstree',
            '/ifconfig' : 'ifconfig',
            '/who' : 'who'}

    def do_GET(self):

#Service to GET request

Call the head method to specify the response and content type.

        f = self.send_head()

#If the file object is returned, the response check passes and 200 is OK, so create the body.

This time it is GET, so do not use f above and overwrite it as follows.

        if f:
            f = StringIO()

Get the machine name

            machine = os.popen("hostname").readlines()[0]

/ Then just create an index and return

            if self.path == "/":
                heading = "Select a command to run on %s" % (machine)
                body = self.getMenu()

When # command is specified, the command is actually executed and returned. else: heading = "Execution of ``%s'' on %s" % ( self.cmds[self.path], machine ) cmd = self.cmds[self.path] body = 'Main Menu

\n' % os.popen(cmd).read()

            f.write("<html><head><title>%s</title></head>\n" % (heading) )
            f.write("<body><h1>%s</h1>\n" % (heading))
            self.copyfile(f, self.wfile)
        return f

    def do_HEAD(self):

HEAD Service to request

        f = self.send_head()
        if f:

    def send_head(self):
        path = self.path
        if not path in ["/"] + self.cmds.keys():
            head = 'Command "%s" not found. Try one of these:<ul>' % path
            msg = head + self.getMenu()
            self.send_error(404, msg)
            return None
        self.send_header("Content-type", "text/html; charset=UTF-8")
        f = StringIO()
        f.write("A test %s\n" % self.path)
        return f

    def getMenu(self):
        keys = self.cmds.keys()
        msg = []
        for k in keys:
            msg.append('<li><a href="%s">%s => %s</a></li>' % (k,k, self.cmds[k]))

        return "\n".join(msg)

    def copyfile(self, source, outputfile):
        shutil.copyfileobj(source, outputfile)

def main(HandlerClass = MyHTTPRequestHandler, ServerClass = BaseHTTPServer.HTTPServer):
    BaseHTTPServer.test(HandlerClass, ServerClass)

if __name__ == '__main__':

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