假设我们有一个Ansible数组my_list,我们想要遍历它的前三个元素(子集): 代码语言:txt 复制 --- - hosts: localhost gather_facts: no vars: my_list: - apple - banana - cherry - date - elderberry tasks: - name: Loop through the first three elements of my_list debug: msg: "Item is {{ ite...
ansible loop用法 在Ansible中，循环（loop）是一种强大的机制，它允许你对一组数据执行一系列任务。Ansible支持多种循环方式，以下是一些常见的用法：1. with_items：使用`with_items`关键字可以对列表进行循环。例如：```yaml - name: Loop through a list debug:msg: "Item: {{ item }}"with_items:- ...
1. Iteration Loop(with_items) 1.1 Compile and install through loop root@ansible-server:/data/ansible/nginx# ` vim install_nginx.yaml --- -hosts:webservers tasks: -name:installpackages yum: name:"{{ item }}" loop: -gcc -make -pcre-devel -openssl-devel -zlib-devel -perl-ExtUtils-Embed...
# cat register_loop.yml - name: registered variable usage as a loop list hosts: test tasks: - name: ensure /mnt/bkspool exists file: path: /mnt/bkspool state: directory - name: retrieve the list of home directories command: ls /home register: home_dirs - name: Show home_dirs results...
Looping Over A List With An Index 1.3版新功能 如果你想循环一个数组,并且还可以在数组中获得数组的数字索引,你也可以这样做。 这是不常用的: - name: indexed loop demo debug: msg: "at array position {{ item.0 }} there is a value {{ item.1 }}" ...
# a loop with `with_foo`) to return data that is not marked "unsafe". This means the data may contain # jinja2 templating language which will be run through the templating engine. # ENABLING THIS COULD BE A SECURITY RISK #allow_unsafe_lookups = False # set default errors for all plays...
This means the data may contain # jinja2 templating language which will be run through the templating engine. # ENABLING THIS COULD BE A SECURITY RISK #allow_unsafe_lookups = False # set default errors for all plays #any_errors_fatal = False [inventory] # enable inventory plugins, default:...
This means the data may contain # jinja2 templating language which will be run through the templating engine. # ENABLING THIS COULD BE A SECURITY RISK #allow_unsafe_lookups = False # set default errors for all plays #any_errors_fatal = False [inventory] # enable inventory plugins, default:...
Lists are indexed by numbers (starting with zero). So if I want to use the first entry,bands, I usebands[0]. The second element isbands[1]and so forth. Later on, I will discuss methods to inspect, compare, and loop through lists. ...
# a loop with `with_foo`) to return data that is not marked "unsafe". This means the data may contain # jinja2 templating language which will be run through the templating engine. # ENABLING THIS COULD BE A SECURITY RISK #allow_unsafe_lookups = False ...