nixos/glpi-agent: init

[liberodark]

Fix : #361741
This PR is module for : #361746

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 25.05 Release Notes (or backporting 24.11 and 25.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

---

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[liberodark]

How to work :

# Enable GLPI Agent
  services.glpiAgent = {
    enable = true;    
    servers = [ "https://server.com" ];
    extraConfig = ''
      delaytime = 3600
      lazy = 0
      scan-homedirs = 0
      scan-profiles = 0
      html = 0
      backend-collect-timeout = 30
      force = 1
      no-p2p = 0
      user = USER
      password = PASSWORD
      timeout = 180
      no-httpd = 0
      logger = stderr
      logfacility = LOG_USER
      color = 0
      debug = 0
    '';
  };

[liberodark]

Also this need a backport to 24.11 if is possible is tested and used on 24.11

[GaetanLepage]

Shouldn't we go RFC42-style freeformType here ?

[K900]

Looks like it doesn't support arbitrary nesting?

[K900]

I do wonder if there's a way to reuse one of the existing writers for this though.

[liberodark]

settingsType seems more relevant to me compared to GLPI but I could be wrong.
https://glpi-agent.readthedocs.io/en/latest/configuration.html#parameter-syntax

services.glpiAgent = {
    enable = true;
    settings = {
      server = [ "https://server.com" ];
      delaytime = 3600;
      lazy = false;
      "scan-homedirs" = false;
      "scan-profiles" = false;
      html = false;
      "backend-collect-timeout" = 30;
      force = true;
      "no-p2p" = false;
      tasks = [ "inventory" ];
      user = "USER";
      password = "PWD";
      timeout = 180;
      "no-httpd" = true;
      logger = [ "stderr" ];
      logfacility = "LOG_USER";
      color = false;
      debug = 0;
    };
  };