Tornado + ansible + twisted + automatic system development for mongodb O & M (2)

Tornado + ansible + twisted + automatic system development for mongodb O & M (2)

Source code:

#! /Usr/bin/env python # coding: utf-8import OS. pathimport tornado. localeimport tornado. httpserverimport tornado. ioloopimport tornado. optionsimport tornado. webfrom tornado. options import define, optionsimport py1_define ("port", default = 8000, help = "run on the given port", type = int) class Application (tornado. web. application): def _ init _ (self): # initialize some things handlers = [# url matching (r "/", MainHandler), (r "/index. Html ", MainHandler), (r"/add.html ", AddHandler), (r"/listhost.html ", List_hostHandler), (r"/delete.html ", delete_hostHandler ), (r "/module_action.html", Module_actionHandler),] settings = dict (# program settings, Dictionary form template_path = OS. path. join (OS. path. dirname (_ file _), "templates"), # Set the template file path static_path = OS. path. join (OS. path. dirname (_ file _), "static"), # Set static file paths, such as css \ jpg \ gif # ui_modules = {"Book": BookModu Le}, # Set the ui module. You can use the dictionary to add multiple debug = True,) conn = pymongo. connection ("localhost", 27017) # initialize the database Connection self. db = conn ["waitfish"] # select the tornado set of mongodb. web. application. _ init _ (self, handlers, ** settings) # input settings to configure class MainHandler (tornado. web. requestHandler): # homepage Function Method def get (self): # sets the HTTP get function self. render ("index.html",) class AddHandler (tornado. web. requestHandler): # Add the host page def get (self): self. render ("add. Html ",) class List_hostHandler (tornado. web. requestHandler): # host list page. In the get mode, all hosts are def get (self, * args, ** kwargs): coll = self. application. db. waitfish hosts = coll. find () self. render ("listhost.html", hosts = hosts) def post (self): # post method real post host coll = self. application. db. waitfish # initialize the database connection hostname = self. get_argument ('hostname') # obtain the host name ipadd = self from post. get_argument ('ipadd') # obtain the Host IP address usernam E = self. get_argument ('username') # obtain the host username password = self. get_argument ('Password') # obtain the password post_dic = {'hostname': hostname, 'ipadd': ipadd, 'username': username, 'Password ': password} # generate the content hosts = coll. find ({'hostname': hostname}) # determine whether the host already exists based on the host name if hosts: # if the host does not exist, import ansible. runner # initializes the host and copies the public key to the managed host. (add the IP address and host name to the host's hosts file and ansible's hosts file) runner_copy_autherized_keys = ansible. runner. run Ner (module_name = 'copy', module_args = "src = ~ /. Ssh/id_rsa.pub dest = ~ /. Ssh/authorized_keys owner = % s group = % s mode = 644 backup = yes "% (username, username), remote_user = username, remote_pass = password, sudo = 'yes ', sudo_pass = password, pattern = hostname,) B = runner_copy_autherized_keys.run () print B runner = ansible. runner. runner (module_name = 'shell', module_args = "echo '% s'>/etc/ansible/hosts" % ipadd, sudo = 'yes', sudo_pass = 'xxxxxxx ', transport = 'local', Pattern = '1970. 127. 0.0.1 ',) # run this operation asynchronously to prevent the web page from getting stuck. run_async (30) coll. save (post_dic) # save host information to the database self. render ("listhost.html", # Call the host list template to display the added host information hosts = hosts,) else: # If yes, update the host information coll. update (post_dic, post_dic) self. render (# "listhost.html", # hosts = hosts,) class delete_hostHandler (tornado. web. requestHandler): # define the def post (self, * args, ** kwargs) function for deleting a host: hostnames = self. get_arguments ('ho Stname') # obtain the hostname list coll = self according to the checkbox. application. db. waitfish # obtain the database cursor for host in hostnames: coll. remove ({"hostname": host}) # delete self based on the host name. render ("delete_info.html", message = "% s is removed! "% Hostnames, # message) class Module_actionHandler (tornado. web. requestHandler): # define the module operation function method def get (self, * args, ** kwargs): coll = self. application. db. waitfish # initialize the database connection hosts = coll. find ({}, {'hostname': 1, 'ipadd': 1, "_ id": 0}) # Here hostname: 1 indicates that the hostname column is returned, because the _ id column is returned every time, 0 is disabled. The template can also be the same as modulenames = ['ping', 'setup', 'copy ', 'shell'] # the actual operation we define is self. render ("module_action.html", hosts = hosts, modulenames = Modulenames,) def post (self, * args, ** kwargs): ipadd = self. get_arguments ('ipadd') [0] # obtain the host name module = self. get_arguments ('modulename') [0] # obtain the module name arg = self. get_arguments ('args') [0] # obtain the coll = self. application. db. waitfish # initialize database user = coll. find_one ({'ipadd': '% s' % ipadd}) ['username'] hostname = coll. find_one ({'ipadd': '% s' % ipadd}) ['hostname'] # Find the host username from the database and import ansible. runner = ansible. Runner. runner (# Run the script module_name = module, module_args = arg, remote_user = user according to the ansible api, # Set the user name pattern = ipadd for remotely managed hosts, # Set the host name to be operated.) result = runner. run () # Get the returned result. Here the result is synchronously executed. In the next version, the asynchronous def pars_result (result) is improved ): # define a function for determining the result if len (result ['dark'])> 0: # if the result returned by dark is not null, the return result ['dark'] fails. 'failed! 'Else: return result ['contacted'], 'success! 'Result = pars_result (result) self. render ("message.html", hostname = hostname, message = result [0], jieguo = result [1]) if _ name _ = "_ main __": tornado. options. parse_command_line () http_server = tornado. httpserver. HTTPServer (Application () http_server.listen (options. port) tornado. ioloop. IOLoop. instance (). start ()