ansible vars

1, VARs (): Returns a Dictionary of object properties and their valuesclassfoo:a= 1def __init__(self): Self.name='Wuwen'Self.gender="male"Self.age= 23Foo=Foo ()Print(VARs ())Print(VARs (Foo))Print(VARs (foo))" "{' __name__ ': ' __main__ ', ' __doc__ ': None, ' __package__ ': None, ' __loader__ ': : +}" "2. When the

Python built-in functions (66) -- vars, python built-in 66 vars English document: vars([ Object]) Return __dict__Attribute for a module, class, instance, or any other object with __dict__Attribute. Objects such as modules and instances have an updateable __dict__Attribute; however, other objects may have write restrictions on their

characteristics. Things you may want to configure in arole are as follows:• Webservers, such as Nginx or Apache• Messages of the day customized for the security level of the machine• Database servers running PostgreSQL or MySQLTo manage roles in Ansible perform the following steps:1. Create a folder named roles with your playbooks.2. In the roles folder, make a folder for each role that you would like.3. In the folder for each role, make folder

Ansible @ an efficient configuration management tool-Ansible configure management-translation (10), ansible-ansibleNo written permission. Do not reprint it Custom ModulesUntil now we have been working solely with the tools provided to us by Ansible.This does afford us a lot of power, and make many things possible. However, if youhave something particularly compl

name, as in this example the Mysql,mysql command includes defaults, handlers, meta, tasks, Templates, VARs directory, respectively, corresponding to different functions, the names of these directories are Ansible the official definition of the good, can not be modified, the description of the directory function is shown in table 1. The default Ansible only handl

Ansible @ an efficient configuration management tool-Ansible configure management-translation (4), ansible-ansibleDo not reprint without written permission Due to the long content in Chapter 3, I will divide it into several parts for translation. Advanced PlaybooksSo far the playbooks that we have looked at are simple and just run a number ofmodules in order.

Ansible @ an efficient configuration management tool-Ansible configure management-translation (5), ansible-ansibleDo not reprint advanced Playbook without written permission Extra variablesYou may have seen in our template example in the previous chapter that we used avariable called group_names . This is one of the magic variables that are provided byAnsible it

current role.The second feature included with Ansible 1.3 is variable default values. If you placea main.yml file in the defaults directory for the role, these variables will be read intothe role; however they can be overridden by variables in the vars/main.yml file, orthe variables that are passed to the role when it is included. This allows you to makepassing variables to the role optional. These files l

/vsftpd.conf dest=/etc/vsftpd/vsftpd.conf mode=600 notify: restart vsftpd # 通知下面 handlers name=restart vsftpd的项 - name: start vsftpd service: name=vsftpd state=started enabled=false handlers: - name: restart vsftpd #接收到通知执行 service: name=vsftpd state=restartedExecute a specified label tags- hosts: 192.168.1.201 remote_user: root tasks: - name: install vsftpd yum: name=vsftpd state=latest - name: config copy: src=/root/playbooks/vsftpd.conf dest=/etc/vsftpd/vsft

documentation for the specified moduleUse of the seven Ansible playbookThe equivalent of writing the module to the configuration file,Example 1:VI/ETC/ANSIBLE/TEST.YML//Add the following:---- hosts: lvlinux-2 remote_user: root tasks: - name: test_playbook shell: touch /tmp/lvlinux.txtNote: The first line needs to have three bars, the hosts parameter specifies which hosts to participate in, if mor

aborted after the number of seconds exceeds num; 10-P num, -- poll = num: regularly returns the background task progress; 11-u username, -- user = Username: Specify the remote host to run the command with username; 12-u sudo_username, -- Sudo-user = sudo_username: Use sudo, which is equivalent to the sudo command in Linux; 13-C connection, -- connection = connection: Specifies the connection method, which can be set to paramiko (SSH) ssh, local, and local are commonly used in crontab and kickst

:[webserver]www[01:50].example.comThe above method can add 50 machines at a time. In addition to using the range of numbers, you can also use a letter range. Like what:[dbserver]db-[a:f].example.comYou can specify the link type and the linked user for each host in the inventory file:[Testserver]10.1.1.1ansible_connection=local10.1.1.2ansible_connection=sshansible_ssh_user=test2. Host variablesIn the inventory file, you can specify variables for each host, and variables can be used in playbook:[t

/hosts directly define the connection time password is not safe, general recommendation based on SSH key authentication way realizes 3.playbooks (1) Core elements Tasks tasks, variables variables, templates templates, handlers processors, roles roles (2) Define tasks in Playbooks: -Name:task Description Annotation Description informationModule_name:module_args declaration module: defining ansible Module parameters (3)

English documents: vars ([object]) Return the __dict__ attribute for a module, class, instance, or any other object with a __dict__ attribute. Objects such as modules and instances have a updateable __dict__ attribute; however, other Objects could have write restrict Ions on their __dict__ attributes (for example, classes use a dictproxy to prevent direct

of the day customized for the security level of the machine? Database servers running PostgreSQL or MySQLTo manage roles in Ansible perform the following steps:1. Create a folder named roles with your playbooks.2. In the roles folder, make a folder for each role that you would like.3. In the folder for each role, make folders named files , handlers , meta ,tasks , templates , and finally vars . If you

We first look at the database permissions issues, and then do the following operation. Sql:select value from [table]vars WHERE name= ' noteexists2′ Ucenter Info:mysql Query Error Sql:select value from [table]vars WHERE name= ' noteexists2′ Error:select command denied to user ' database ' @ ' IP address ' for table ' Pre_ucenter_vars ' errno:1142 Help people migrate Discuz, originally thought very simple,

? Messages of the day customized for the security level of the machine? Database servers running PostgreSQL or MySQLTo manage roles in Ansible perform the following steps:1. Create a folder named roles with your playbooks.2. In the roles folder, make a folder for each role that you would like.3. In the folder for each role, make folders named files , handlers , meta ,tasks , templates , and finally vars