tricks.yml

tricks.yml

- name: Data-Wrestling Techniques
  hosts: localhost
  gather_facts: no
  vars:
    arr1:
      - 1
      - 2
      - 3
    arr3: [5, 6, 7, 8, 9, 10]
    arr3: [91, 2, 3, 85, 2]
    all: "{{ arr1 + arr2 + arr3 }}"
  tasks:
    - name: All
      debug: 
        msg: "{{ items }}"
      with_items: "{{ arr1 + arr2 + arr3 }}"
    - name: Merged lists of unique values (parens=required)
      debug: 
        msg: "{{ (arr1 + arr2 + arr3) | unique }}"

    - name: Get home directory of the connected user
      shell: "getent passwd {{ ansible_user | quote}} | awk -F: '{print $6}'"
      register: homedir
    - name: h
      debug: 
        msg: "Homedir of {{ ansible_user | quote }} is {{ homedir.stdout }}"

    - name: Defininig variables, multi-dimensional arrays
      vars:
        myvar: "Hello "
        mylist:
          - a
          - b
        myaltlist: [[four, five, six], [seven, eight, nine]] 
      debug:
        msg: "{{ myvar }} {{ mylist }} {{ myaltlist }}"

    - name: Produce a random number
      debug: 
      msg: "{{ 100 | random }}"

    - name: Validate m
      vars:
        might_be_ipaddrs: [192.15.192.1, 0.0.0.0/0, 10.0.0.0/24, 123.51.23.34/72, 123.51.23.34, "totaly not an ip":]
      debug:
        msg: "{{ might_be_ipaddrs | ipaddr }}"

    - name: Convert (valid)IPv4-addr into the PTR-record of its equivalent IPv6-addr
      vars:
        maybeips: [192.15.192.1, 0.0.0.0/0, 10.0.0.0/24, 123.51.23.34/72, 123.51.23.34, 1.2.3.4]
      debug:
        msg: "{{ maybeips | ipaddr('ipv6') | ipaddr('revdns') }}"

    - name: Create a SHA256 password-hash from plaintext password+salt
      vars:
        mypass: qwe123
        mysalt: suchsalt
        myhash: "{{ mypass | password_hash('sha256', mysalt) }}"
      debug:
        msg: "Pass: {{ mypass }}, Hash: {{ myhash }}, (Salt: {{ mysalt }})"

    - name: Replace port with regex_replace
      debug:
        msg: "{{ '127.0.0.1:80' | regex_replace(':80', ':443') }}"

    - name: The type_debug filter returns the underlying python datatype
      vars:
        things:
          - 123
          - "123"
          - '123'
          - kek
          - ''
      debug:
        msg: "{{ things[0] | type_debug }}"

    - name: Iterating python dictionaries (hash/struct/map types)
      vars:
        users:
          alice:
            name: Alice Appleworth
            telephone: 123-456-7890
          bob:
            name: Bob Bananarama
            telephone: 987-654-3210
      debug:
        msg: "User {{ item.key }} is {{ item.value.name }} with phone number {{ item.value.telephone }}"
      with_dict: "{{ users }}"

    - name: Iterating lists in parallell
      vars:
        alpha: ['a', 'b', 'c']
        numbers: [1, 2, 3]
      debug:
        msg: "{{ item.0 }} and {{ item.1 }}"
      with_together:
        - "{{ alpha }}"
        - "{{ numbers }}"