Example 3: [Multiple Conditions in Single when statement] Shutdown onlyCentOS-6andDebian-7 Our requirement here is to shut down only CentOS6 and Debian7 version flavoured systems. So our conditional statement should be as followsAs said earlier, when is more like an if statement so it should...
1、ansible 是什么? ansible是目前最受运维欢迎的自动化运维工具,基于Python开发,集合了众多运维工具(SaltStack puppet、chef、func、fabric)的优点,实现了批量系统配置、批量程序部署、批量运行命令等功能。 ansible是基于 paramiko 开发的,并且基于模块化工作,本身没有批量部署的能力。真正具有批量部署的是ansible所运行的...
1)ansible不需要单独安装客户端,SSH相当于ansible客户端。 2)ansible不需要启动任何服务,仅需安装对应工具即可。 3)ansible依赖大量的python模块来实现批量管理。 4)ansible配置文件/etc/ansible/ansible.cfg。 5)Ansible是一种agentless(基于ssh),可实现批量配置、命令执行和控制,基于Python实现的自动化运维工具。Ansible...
statement. Database and table names can be quoted, MySQL-style. If column privileges are used, the `priv1,priv2' part must be exactly as returned by a `SHOW GRANT' statement. If not followed, the module will always report changes. It includes grouping columns by permission (`SELECT(col1...
when.yaml --- - name: Checknginx distribution major versionhosts web tasks: - name: Gather factssetup: - name: Check nginx distribution major version debug: msg: "The nginx distribution major versionis {{ ansible_distribution_major_version }}" when: ansible_distributionmajor_version == '7' ...
也可以使用多个when进行多条件判断,等效于and。 vim test_when.yml --- - hosts: all tasks: - name: copy file copy: src: /etc/hosts dest: /root/hosts_when when: ansible_hostname is match "node1" #when支持通配符 ansible all --list ansible-playbook test_when.yml ansible all -m shell -...
Combiningwhenwith loops (seeLoops), be aware that thewhenstatement is processed separately for each item. This is by design: tasks:-command:echo{{item}}loop:[0,2,4,6,8,10]when:item > 5 If you need to skip the whole task depending on the loop variable being defined, used the|default...
An optional conditional statement attached to a task that is used to determine if the task should run or not. If the expression following the when: keyword evaluates to false, the task will be ignored. Vars (Variables) As opposed to Facts, variables are names of values (they can be ...
Example4: Ansible Split - With File Content Conclusion AnsibleSplitExamples When it comes to string formatting, Splitting the string into multiple parts based on the separator position has always been a key element. Let's say you have a CSV file and you want to convert the CSV(comma separated...
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