changed:布尔型,代表是设备配置是否产生了变化,一方面和调用的module有关(有些会智能判断,有些是默认某个值);一方面和我们的playbook有关,我们可以设置,使用changed_when,将来会演示,大家也可以自己去查查。 stdout:这个是标准输出,是一个列表,每条命令的回显是一个字符串,show的文本是一个字符串,很长。 stdout_li...
CodeInText:表示文本中的代码词、数据库表名、文件夹名、文件名、文件扩展名、路径名、虚拟 URL、用户输入和 Twitter 句柄。以下是一个例子:“将下载的WebStorm-10*.dmg磁盘映像文件挂载为系统中的另一个磁盘。” 代码块设置如下: $link="https://raw.githubusercontent.com/ansible/ansible/devel/examples/scrip...
#when changing (small) files and templates, show the differences in those files; works great with --check #当更新的文件数及内容较少时,该选项可显示这些文件不同的地方,该选项结合-C用会有较好的效果 -e EXTRA_VARS, --extra-vars=EXTRA_VARS #set additional variables as key=value or YAML/JSON ...
The above example starts by checking if the home directory of the ubuntu user is available. We then use the when condition to create a text file if the directory is available. Example 2 The next example shuts down all the Ubuntu remote hosts using a when condition. --- - hosts:all gath...
ansible 忽略warning输出 ansible changed_when Ansible Playbook 任务控制 Ansible 任务控制基本介绍 这主要来介绍PlayBook中的任务控制。任务控制类似于编程语⾔中的if …、for … 等逻辑控制语句。这里我们给出个实际场景应用案例去说明在PlayBook中,任务 控制如何应用。
关于什么ansible,我这里就不做科普了,总之一句话,要做分布式系统的运维,实现批量系统配置、批量程序部署、批量运行命令等功能,ansible就是一大杀器,能令你事半功倍。 但作为一个cli工具,其使用场景还是受cli的限制,无法实现运行过程中更深入的交互和逻辑控制。ansible本身是用python做的,所以实际上是和python的脚本控...
{ config_file }}"when:st.stat.existsandst.stat.isreg-name:"Print out clouds variable"debug:msg="{{ clouds|default('No clouds found') }}"-name:"Setting nova instance state to: {{ nova_instance_state }}"local_action:module:nova_computelogin_username:"{{ clouds.devstack.auth.username }...
When all data is encrypted using a single password the--ask-vault-passor--vault-password-filecli options should be used. For example, to use a password store in the text file/path/to/my/vault-password-file: ansible-playbook --vault-password-file /path/to/my/vault-password-file site.yml...
When would you use Ansible Automation Platform instead of community Ansible? Community Ansible is a great starting point for automation. But Red Hat Ansible Automation Platform is built with the needs of enterprise automators in mind. It delivers more capabilities forevent-driven automationandgenerative...
When there are only a few services and configuration requirements, it will be easy for you to handle these amounts of servers; even if there is a minimal increment in the services, you can still handle the situation by provisioning a few more servers to maintain the infrastructure. As we ...