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1 | # Copyright (C) 2015 <contact@redhat.com> |
2 | # | |
3 | # Author: Alfredo Deza <adeza@redhat.com> | |
4 | # Author: Loic Dachary <loic@dachary.org> | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU Library Public License as published by | |
8 | # the Free Software Foundation; either version 2, or (at your option) | |
9 | # any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU Library Public License for more details. | |
15 | # | |
16 | from ceph_detect_init import alpine | |
17 | from ceph_detect_init import arch | |
18 | from ceph_detect_init import centos | |
19 | from ceph_detect_init import debian | |
20 | from ceph_detect_init import exc | |
21 | from ceph_detect_init import fedora | |
22 | from ceph_detect_init import rhel | |
23 | from ceph_detect_init import suse | |
24 | from ceph_detect_init import gentoo | |
25 | from ceph_detect_init import freebsd | |
26 | from ceph_detect_init import docker | |
27 | from ceph_detect_init import oraclevms | |
28 | import os | |
29 | import logging | |
30 | import platform | |
31 | ||
32 | ||
33 | def get(use_rhceph=False): | |
34 | distro_name, release, codename = platform_information() | |
35 | # Not all distributions have a concept that maps to codenames | |
36 | # (or even releases really) | |
37 | if not codename and not _get_distro(distro_name): | |
38 | raise exc.UnsupportedPlatform( | |
39 | distro=distro_name, | |
40 | codename=codename, | |
41 | release=release) | |
42 | ||
43 | module = _get_distro(distro_name, use_rhceph=use_rhceph) | |
44 | module.name = distro_name | |
45 | module.normalized_name = _normalized_distro_name(distro_name) | |
46 | module.distro = module.normalized_name | |
47 | module.is_el = module.normalized_name in ['redhat', 'centos', | |
48 | 'fedora', 'scientific', | |
49 | 'oraclel'] | |
50 | module.release = release | |
51 | module.codename = codename | |
52 | module.init = module.choose_init() | |
53 | return module | |
54 | ||
55 | ||
56 | def _get_distro(distro, use_rhceph=False): | |
57 | if not distro: | |
58 | return | |
59 | ||
60 | distro = _normalized_distro_name(distro) | |
61 | distributions = { | |
62 | 'alpine': alpine, | |
63 | 'arch': arch, | |
64 | 'debian': debian, | |
65 | 'ubuntu': debian, | |
66 | 'linuxmint': debian, | |
67 | 'centos': centos, | |
68 | 'scientific': centos, | |
69 | 'oraclel': centos, | |
70 | 'oraclevms': oraclevms, | |
71 | 'redhat': centos, | |
72 | 'fedora': fedora, | |
73 | 'suse': suse, | |
74 | 'gentoo': gentoo, | |
75 | 'funtoo': gentoo, | |
76 | 'exherbo': gentoo, | |
77 | 'freebsd': freebsd, | |
78 | 'docker': docker, | |
79 | 'virtuozzo': centos, | |
80 | } | |
81 | ||
82 | if distro == 'redhat' and use_rhceph: | |
83 | return rhel | |
84 | else: | |
85 | return distributions.get(distro) | |
86 | ||
87 | ||
88 | def _normalized_distro_name(distro): | |
89 | distro = distro.lower() | |
90 | if distro.startswith(('redhat', 'red hat')): | |
91 | return 'redhat' | |
92 | elif distro.startswith(('scientific', 'scientific linux')): | |
93 | return 'scientific' | |
94 | elif distro.startswith(('suse', 'opensuse')): | |
95 | return 'suse' | |
96 | elif distro.startswith('centos'): | |
97 | return 'centos' | |
98 | elif distro.startswith('oracle linux'): | |
99 | return 'oraclel' | |
100 | elif distro.startswith('oracle vm'): | |
101 | return 'oraclevms' | |
102 | elif distro.startswith(('gentoo', 'funtoo', 'exherbo')): | |
103 | return 'gentoo' | |
104 | elif distro.startswith('virtuozzo'): | |
105 | return 'virtuozzo' | |
106 | return distro | |
107 | ||
108 | ||
109 | def platform_information(): | |
110 | """detect platform information from remote host.""" | |
111 | try: | |
112 | file_name = '/proc/self/cgroup' | |
113 | with open(file_name, 'r') as f: | |
114 | lines = f.readlines() | |
115 | for line in lines: | |
116 | if "docker" in line.split(':')[2]: | |
117 | return ('docker', 'docker', 'docker') | |
118 | except Exception as err: | |
119 | logging.debug("platform_information: ", | |
120 | "Error while opening %s : %s" % (file_name, err)) | |
121 | ||
122 | if os.path.isfile('/.dockerenv'): | |
123 | return ('docker', 'docker', 'docker') | |
124 | ||
125 | if platform.system() == 'Linux': | |
126 | linux_distro = platform.linux_distribution( | |
127 | supported_dists=platform._supported_dists + ('alpine', 'arch')) | |
128 | logging.debug('platform_information: linux_distribution = ' + | |
129 | str(linux_distro)) | |
130 | distro, release, codename = linux_distro | |
131 | elif platform.system() == 'FreeBSD': | |
132 | distro = 'freebsd' | |
133 | release = platform.release() | |
134 | codename = platform.version().split(' ')[3].split(':')[0] | |
135 | logging.debug( | |
136 | 'platform_information: release = {}, version = {}'.format( | |
137 | platform.release(), platform.version())) | |
138 | else: | |
139 | raise exc.UnsupportedPlatform(platform.system(), '', '') | |
140 | ||
141 | distro_lower = distro.lower() | |
142 | # this could be an empty string in Debian | |
143 | if not codename and 'debian' in distro_lower: | |
31f18b77 | 144 | pass |
7c673cae FG |
145 | # this is an empty string in Oracle |
146 | elif distro_lower.startswith('oracle linux'): | |
147 | codename = 'OL' + release | |
148 | elif distro_lower.startswith('oracle vm'): | |
149 | codename = 'OVS' + release | |
150 | # this could be an empty string in Virtuozzo linux | |
151 | elif distro_lower.startswith('virtuozzo linux'): | |
152 | codename = 'virtuozzo' | |
153 | ||
154 | return ( | |
155 | str(distro).rstrip(), | |
156 | str(release).rstrip(), | |
157 | str(codename).rstrip() | |
158 | ) |