ansible delegate to

Author: Wang Xuan Yi, source: http://www.cnblogs.com/neverdie/Reprinted, Please keep this statement. If you like this article, click [recommendation ]. Thank you! // This delegate does not pass any parameter public delegate void CallFunc (); // This delegate will pass in the GameObject in which the event occurs, that is, senderpublic

A delegate is a type that holds a reference to a method in an object and is also a type-safe function pointer. Give you an example://declares a delegate, where NewDelegate () is understood to be a type that is then used to fetch the method. Delegate voidnewdelegate ();//The following is a two-way definition of a, B, which you can understand as a newdelegate of t

Ansible Introduction:Ansible is just a framework, does not have the ability to deploy, really has the bulk deployment ability is the ansible template,The architecture includes:The connection plug-in connection plugins is responsible for communicating with the monitored side.Host Inventory: Hosts that specify operations, which are the hosts that define the monitoring within a configuration fileVarious module

L most of the time in a production environment, you need to manage the configuration files, and the installation packages are only used when initializing the environment. Let's write a playbook to manage nginx configuration files. L mkdir-p/etc/ansible/nginx_config/roles/{new,old}/{files,handlers,vars,tasks}LwhichNewTo be used for the update, Oldused for rollback,FilesBelow isnginx.confand thevhostsdirectory,handlersRestartNginxCommands for servicesL

In peacetime operation and maintenance work sometimes need to be based on different remote nodes or different IP systems to do different configuration deployment. For example, ansible can do different processing of the configuration files on each node according to different IP addresses, and variables are needed here.You can define variables directly in the playbooks file:-Hosts:webservers vars:http_port:80A variable named Http_port is defined with a

According to one Daniel, Ansible is better than chef and puppet. Learn how to use ansible provisioning a vagrant managed virtual machine to start the EXPRESSJS server. GitHub Link: Https://github.com/kiwiwin/ansible-nodejs-demoCreate a EXPRESSJS project for a stay$ Express Nodejs-ansible$ CD Nodejs-

1. Create a MySQL playbook structure[Email protected] roles]# pwd/etc/ansible/roles[[email protected] roles]# mkdir-p Mysql_install/{files,handlers,meta, Tasks,templates,vars}[[email protected] roles]# tree mysql_install/mysql_install/├──files├──handlers├──meta├── Tasks├──templates└──vars2. Create the VARs you need to use[Email protected] roles]# cat/etc/ansible/roles/mysql_install/vars/main.ymlmysql_versio

For IOS developers, use the Protocol and the Delegate agent (Delegate) to pass the value, and use the protocoldelegate Because Object-C does not support multi-inheritance, it is often replaced by Protocol. Protocol can define only one set of public interfaces, but it cannot provide specific implementation methods. That is to say, it only tells you what to do, but does not care about how to do it. When a cl

The essence of the chain is that you put a bunch of things to execute in a list, when you want to trigger a set of things, you do not need to write one by one (such as the factory canteen dinner, this method is implemented, to let the chef a time in the cafeteria waiting to play rice, b staff at a certain time line, b staff may more than one , should be notified that Class C staff at another time in line to eat, the last Class D cleaners at another time to clean up the canteen), below you only n

Jquery delegates on () | off () deletes the delegate | one () executes the delegate only once, jqueryoff 1

("cc:{0};d: {1}", CC, D); Numberchangerint> NC1 =Newnumberchangerint>(Addnum); Numberchangerint> NC2 =Newnumberchangerint>(Multnum); NC1 ( -); Console.WriteLine (num); NC2 (5); Console.WriteLine (num); Console.readkey (); } Public Static voidSwaprefT LHS,refT RHS) {T temp; Temp=LHS; LHS=RHS; RHS=temp; } } Public classMygenericarraywhereT:struct { Privatet[] Array; PublicMygenericarray (intsize) {Array=NewT[size +1]; } Pub

A delegate is a reference type that can be passed through a method or included in the parameter list of a method, just like any other reference type. Here is an example:In this example, we will use a delegate to write a method for a common class library. Computeit () Evaluate the expression of the functions V and T. The first part of the expression is the V function. All values of T are the same. The sec

Ansible an open source platform that integrates the configuration management of IT systems, applies deployments, and performs specific tasks. Ansible has the following characteristics:Simple deployment, only the main control side of the deployment of ansible environment, the controlled side does not need to do any action;The device is managed by default using the

Managing remote servers in bulk using AnsibleBackground local need to manage the remote batch of servers, mainly perform the following tasks: 1) Copy Local files to all remote servers; 2) need to execute commands on remote server; Remote server path is not exactly the same. General access to the variable path defined in the environment variable; For example, define $app_path=/opt/app/bin final selection ansible in. BASHRC, and use this automated OPS

Easy to use roles for large projectsDirectory structure Orchestration650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M00/8C/36/wKiom1hlF-SjFR-QAAHrlrracRc046.png-wh_500x0-wm_3 -wmp_4-s_1176155170.png "title=" 1.png "alt=" Wkiom1hlf-sjfr-qaahrlrracrc046.png-wh_50 "/>One click to install HTTPD and provide serviceCreate a directory structure[[email protected] ansible]# mkdir-p Roles/httpd/{tasks,files,vars}[Email protected]

Batch execution playbooksAnother way of remote batch command execution is to use playbooks;This is Playbooks's Official document: http://docs.ansible.com/playbooks.htmlHere are playbooks examples of ansible: https://github.com/ansible/ansible-examplesUsing the Ansbile API in PythonThe above methods of executing the Ansible