inventory/os.cf

bundle common inventory_os
{
  vars:
    # NOTE TODO: This first part is the old implementation
    #            scroll down to the @if minimum_version part for the
    #            current implementation.
    # This bundle uses variable overwriting, so the definitions further
    # down are prioritized.
    # Fall back to old LSB based implementation (Lowest priority):
    _inventory_lsb_found::
      "description"
        string => "$(inventory_lsb.os) $(inventory_lsb.release)",
        meta => { "inventory", "attribute_name=OS" };

    !_inventory_lsb_found.windows::
      "description"
        string => "$(sys.release)",
        meta => { "inventory", "attribute_name=OS" };

    !_inventory_lsb_found.!windows::
      "description"
        string => "$(sys.flavor) (LSB missing)",
        meta => { "inventory", "attribute_name=OS" };

    # Hard coded values for exceptions / platforms without os-release:
    (redhat_5|redhat_6).redhat_pure::
      "description"
        string => regex_replace(
          "$(inventory_lsb.description)", " release ", " ", "g"
        ),
        if => isvariable("inventory_lsb.description"),
        meta => {
          "inventory",
          "attribute_name=OS",
          "derived-from=inventory_lsb.description",
        };

    centos_5::
      "description"
        string => "CentOS Linux 5",
        # Matches format of os-release on 7+
        meta => { "inventory", "attribute_name=OS", "derived-from=centos_5" };

    centos_6::
      "description"
        string => "CentOS Linux 6",
        # Matches format of os-release on 7+
        meta => { "inventory", "attribute_name=OS", "derived-from=centos_6" };

    # os-release PRETTY_NAME preferred whenever available (Highest priority):
    any::
      "description"
        string => "$(sys.os_release[PRETTY_NAME])",
        if => isvariable("sys.os_release[PRETTY_NAME]"),
        meta => {
          "inventory", "attribute_name=OS", "derived-from=sys.os_release"
        };

    # TODO: Remove promises above this line once 3.15+ is what we care about
    # New style for Inventory OS variable:
    # As short and human-friendly as possible, and consistent across platforms(!)
    # Examples: CentOS 7, Ubuntu 18, Debian 9, SUSE 12, etc.
@if minimum_version(3.15)
    !_inventory_lsb_found.!windows::
      "description"
        string => "$(sys.flavor) (LSB missing)",
        meta => { "inventory", "attribute_name=OS" };

    _inventory_lsb_found::
      "description"
        string => "$(inventory_lsb.os) $(inventory_lsb.release)",
        meta => { "inventory", "attribute_name=OS" };

    windows::
      "description"
        string => string_replace(
          string_replace("$(sys.release)", "Windows Server", "Windows"),
          "2012 R2",
          "2012"
        ),
        meta => { "inventory", "attribute_name=OS" };

    # os-release is preferred over LSB:
    any::
      # os-release PRETTY_NAME
      "description"
        string => string_replace(
          string_replace(
            string_replace(
              string_replace(
                "$(sys.os_release[PRETTY_NAME])",
                "Red Hat Enterprise Linux Server",
                "RHEL"
              ),
              "Debian GNU/Linux",
              "Debian"
            ),
            "CentOS Linux",
            "CentOS"
          ),
          "Rocky Linux",
          "Rocky"
        ),
        if => isvariable("sys.os_release[PRETTY_NAME]"),
        meta => {
          "inventory", "attribute_name=OS", "derived-from=sys.os_release"
        };

      "major_version_from_os_release"
        string => nth(
          string_split("$(sys.os_release[VERSION_ID])", "\.", 2), 0
        ),
        if => isvariable("sys.os_release[VERSION_ID]");

      # os-release NAME VERSION_ID - preferred when available
      "description"
        string => string_replace(
          string_replace(
            string_replace(
              string_replace(
                string_replace(
                  string_replace(
                    "$(sys.os_release[NAME]) $(major_version_from_os_release)",
                    "Red Hat Enterprise Linux Server",
                    "RHEL"
                  ),
                  # Seen on RHEL 7...
                  "Red Hat Enterprise Linux",
                  "RHEL"
                ),
                # On RHEL 8 they changed their mind
                "Debian GNU/Linux",
                "Debian"
              ),
              "CentOS Linux",
              "CentOS"
            ),
            "Rocky Linux",
            "Rocky"
          ),
          "SLES",
          "SUSE"
        ),
        if => and(
          isvariable("sys.os_release[NAME]"),
          isvariable("major_version_from_os_release")
        ),
        meta => {
          "inventory", "attribute_name=OS", "derived-from=sys.os_release"
        };

    # Hard coded values for exceptions / platforms without os-release:
    redhat_5.redhat_pure::
      "description"
        string => "RHEL 5",
        meta => { "inventory", "attribute_name=OS", "derived-from=redhat_5" };

    redhat_6.redhat_pure::
      "description"
        string => "RHEL 6",
        meta => { "inventory", "attribute_name=OS", "derived-from=redhat_6" };

    centos_5::
      "description"
        string => "CentOS 5",
        meta => { "inventory", "attribute_name=OS", "derived-from=centos_5" };

    centos_6::
      "description"
        string => "CentOS 6",
        meta => { "inventory", "attribute_name=OS", "derived-from=centos_6" };
@endif
    # TODO: Remove all of the logic above once 3.18 clients are expected everywhere
@if minimum_version(3.18)
    any::
      "description"
        string => "$(sys.os_name_human) $(sys.os_version_major)",
        meta => { "inventory", "attribute_name=OS" };

    rocky::
      "description" -> { "ENT-8292" }
        string => "Rocky $(sys.os_version_major)",
        meta => { "inventory", "attribute_name=OS" };

    amzn_2::
      "description" -> { "ENT-10817" }
        string => "Amazon 2",
        meta => { "inventory", "attribute_name=OS" };

    any::
      "description"
        string => "$(sys.os_release[PRETTY_NAME])",
        if => and(
          strcmp("$(sys.os_name_human)", "Unknown"),
          isvariable("sys.os_release[PRETTY_NAME]")
        ),
        meta => {
          "inventory", "attribute_name=OS", "derived-from=sys.os_release"
        };
@endif
}