I found some AWS Ansible code using word "{{ item.id }}"
or {{ item.sg_name }}
.
I do not understand how "item" command works.
NOTE: If an item has a nested list, Ansible will flatten it but not recursion. To use the with_items plugins, use the with_items keyword in a playbook and pass a list of items under it. You can then call each item within the specified list and perform the required operations.
You can define these variables in your playbooks, in your inventory, in re-usable files or roles, or at the command line. You can also create variables during a playbook run by registering the return value or values of a task as a new variable.
Ansible loop is used to repeat any task or a part of code multiple times in an Ansible-playbook. It includes the creation of multiple users using the user module, installing multiple packages using apt or yum module or changing permissions on several files or folders using the file module.
Variable Scopes Ansible has 3 main scopes: Global: this is set by config, environment variables and the command line. Play: each play and contained structures, vars entries, include_vars, role defaults and vars. Host: variables directly associated to a host, like inventory, facts or registered task outputs.
item
is not a command, but a variable automatically created and populated by Ansible in tasks which use loops.
In the following example:
- debug:
msg: "{{ item }}"
with_items:
- first
- second
the task will be run twice: first time with the variable item
set to first
, the second time with second
.
Further, if elements of the loop were dictionaries, you could refer to their keys using the dot notation as in your example:
- debug:
msg: "{{ item.my_value }}"
with_items:
- ny_element: first
my_value: 1
- my_element: second
my_value: 2
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