Filters

Regex

Search strings with regular expressions

- name: Set fact
  set_fact:
    numberofcdpneighbors: "{{ showcdp.stdout_lines[0] | regex_search('Total.*') | regex_search('[0-9]{1,4}')}}"

Text Manipulation

Escaping special character in search string

- name: Set Change OK Flag
    set_fact:
      changeok: "<div data-gb-custom-block data-tag="if" data-0='username ' data-1='username ' data-2='username ' data-3='+nxosaccounts[0].name+' data-4=' ' data-5=' ' data-6=') and localaccounts | regex_search(' data-7='0' data-8='0' data-9='0' data-10='0' data-11='0' data-12='0' data-13='0' data-14='0' data-15='0' data-16='0' data-17='0' data-18='0' data-19='0' data-20='0' data-21='0' data-22='0' data-23='0' data-24='0' data-25='0' data-26='0' data-27='0'>true<div data-gb-custom-block data-tag="else"></div>false</div>"

Replacing text

• {{ ansible_date_time.date | replace('-','')}}

Change Variable types

• variable | type

# Change to string
regex_search('role '+nxosaccounts[0].role|string)

Split and Trim text

• split string: (freespace.stdout[0] | split(' '))[3] | trim('(')

• split list: "{{ stackmembers.split(',') | length }}"

• ./output/{{hostvars.localhost.startdate}}/{{hostvars.localhost.starttime}}/{{inventory_hostname}}-{{cmd | split | join}}

Date and Time

name: Update timestamp
  setup:
    filter: 'ansible_date_time'
name: File copied
  debug:
    msg: "Amount of time to copy file: {{ ((ansible_date_time.iso8601[:19] | to_datetime('%Y-%m-%dT%H:%M:%S')) - (start_time | to_datetime('%Y-%m-%dT%H:%M:%S'))).seconds }} seconds"

Reference

• https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_filters.html