Allow to override nomad_artifact and nomad_ui

[AlbanAndrieu]

• Allow to override nomad_artifact and nomad_ui, nomad 1.6.1 introduce https://developer.hashicorp.com/nomad/docs/configuration/ui, her it allow to change the color
• Allow to ignore mounting on failure such as /var/run/docker.sock (already exists) with a boolean nomad_host_volumes_skip_ignore, default behavior will stay the same

[AlbanAndrieu]

Hi @Rendanic, @lanefu, @ctorrisi how can I have a review?

[AlbanAndrieu]

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[CodiumAI-Agent]

PR Analysis

• 🎯 Main theme: This PR allows the override of nomad_artifact and nomad_ui, and introduces the option to ignore mounting failures.
• 📌 Type of PR: Enhancement
• ✨ Focused PR: Yes, all changes are related to the enhancement of Nomad configuration.
• 🔒 Security concerns: No security concerns found

PR Feedback

• General suggestions: The PR introduces useful enhancements to the Nomad configuration. However, it would be beneficial to add tests to ensure the new features work as expected and do not introduce regressions. Additionally, consider adding comments in the code to explain the purpose of the new variables and conditions.

• 🤖 Code feedback:

  • relevant file: defaults/main.yml
    suggestion: Consider adding default values for the new variables nomad_artifact and nomad_host_volumes_skip_ignore to ensure they have a value if not explicitly set. [medium]
    relevant line: nomad_host_volumes_skip_ignore: false

  • relevant file: handlers/main.yml
    suggestion: The ignore_errors option should not be set to ansible_check_mode. Instead, it should be a boolean value or a variable that can be set to true or false. [important]
    relevant line: ignore_errors: "{{ ansible_check_mode }}"

  • relevant file: templates/client.hcl.j2
    suggestion: It would be better to check if nomad_artifact is not empty before iterating over its items. This can prevent potential errors if nomad_artifact is not defined. [medium]
    relevant line: {% if nomad_artifact -%}

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[AlbanAndrieu]

I resolved the conflict. @beechesII feel free to review this MR are redirect me to the right person.