Fix SteamOS ansible_distribution fact (Fixes #33628) (#37576)

Fixes #33628

lib/ansible/module_utils/facts/system/distribution.py

@@ -311,6 +311,9 @@ class DistributionFiles:
         elif 'Ubuntu' in data:
             debian_facts['distribution'] = 'Ubuntu'
             # nothing else to do, Ubuntu gets correct info from python functions
+        elif 'SteamOS' in data:
+            debian_facts['distribution'] = 'SteamOS'
+            # nothing else to do, SteamOS gets correct info from python functions
         else:
             return False, debian_facts
 
@@ -410,7 +413,7 @@ class Distribution(object):
                                 'Ascendos', 'CloudLinux', 'PSBM', 'OracleLinux', 'OVS',
                                 'OEL', 'Amazon', 'Virtuozzo', 'XenServer'],
                      'Debian': ['Debian', 'Ubuntu', 'Raspbian', 'Neon', 'KDE neon',
-                                'Linux Mint'],
+                                'Linux Mint', 'SteamOS'],
                      'Suse': ['SuSE', 'SLES', 'SLED', 'openSUSE', 'openSUSE Tumbleweed',
                               'SLES_SAP', 'SUSE_LINUX', 'openSUSE Leap'],
                      'Archlinux': ['Archlinux', 'Antergos', 'Manjaro'],

test/units/module_utils/test_distribution_version.py

@@ -377,6 +377,34 @@ BUG_REPORT_URL="http://bugs.debian.org/"
             'distribution_version': u'7.9'
         }
     },
+    {
+        'name': "SteamOS 2.0",
+        'input': {
+            '/etc/os-release': """PRETTY_NAME="SteamOS GNU/Linux 2.0 (brewmaster)"
+NAME="SteamOS GNU/Linux"
+VERSION_ID="2"
+VERSION="2 (brewmaster)"
+ID=steamos
+ID_LIKE=debian
+HOME_URL="http://www.steampowered.com/"
+SUPPORT_URL="http://support.steampowered.com/"
+BUG_REPORT_URL="http://support.steampowered.com/"
+""",
+            '/etc/lsb-release': """DISTRIB_ID=SteamOS
+DISTRIB_RELEASE=2.0
+DISTRIB_CODENAME=brewmaster
+DISTRIB_DESCRIPTION="SteamOS 2.0"
+"""
+        },
+        'platform.dist': ('Steamos', '2.0', 'brewmaster'),
+        'result': {
+            'distribution': u'SteamOS',
+            'distribution_major_version': u'2',
+            'distribution_release': u'brewmaster',
+            "os_family": "Debian",
+            'distribution_version': u'2.0'
+        }
+    },
     {
         "platform.dist": [
             "Ubuntu",