Ansible conditional

Question

My goal is to find a way to combine the two statements below but am coming up short. For this instance, I have Package1 and Package2 that are being installed regardless of rhel version. However, Package3 will be a different package depending on OS version. Seems redundant and there should be a way to combine, but is this the best way to go about it? Any feedback is definitely welcome.

  - name: Install Packages
    yum:
      name: "{{ item }}"
      state: latest
    loop:
      - package1
      - package2
      - package3A (Only for RHEL8 versions)
    when: "{{ ansible_distribution_version }} >= 8.0"

  - name: Install Packages
    yum:
      name: "{{ item }}"
      state: latest
    loop:
      - package1
      - package2
      - package3B (Only for RHEL7 versions)
    when: "{{ ansible_distribution_version }} < 8.0"

Vladimir Botka · Accepted Answer · 2022-11-14 20:55:49Z

2

Declare the variables

a) Use Jinja template and test version

    packages:
      - package1
      - package2
      - "{{ package3 }}"
    package3: >-
      {%- if ansible_distribution_version is version('8.0', '>=') -%}
      package3A
      {%- elif ansible_distribution_version is version('8.0', '<') -%}
      package3B
      {%- endif -%}

b) Put the options into a dictionary and use the variable ansible_distribution_major_version

    packages:
      - package1
      - package2
      - "{{ package3[ansible_distribution_major_version|int]|
            default(package3.default) }}"
    package3:
      default: package3A
      7: package3B
      6: package3B
      5: package3B

Install the packages from the list

- name: Install Packages
    yum:
      name: "{{ item }}"
      state: latest
    loop: "{{ packages }}"

edited Nov 14, 2022 at 20:55

answered Nov 11, 2022 at 22:01

Vladimir Botka

2,38812 silver badges14 bronze badges

This looks like a good answer, but I don't have the experience with the code in this manner. Should be pretty easy to test tho.

0xSheepdog
– 0xSheepdog

2022-11-14 20:01:54 +00:00
Commented Nov 14, 2022 at 20:01
1

I added a simpler option. HTH.

Vladimir Botka
– Vladimir Botka

2022-11-14 20:56:52 +00:00
Commented Nov 14, 2022 at 20:56

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