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1 | 0006af7d | Michael Hanselmann | #!/usr/bin/python |
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2 | 0006af7d | Michael Hanselmann | # |
3 | 0006af7d | Michael Hanselmann | |
4 | aeefe835 | Iustin Pop | # Copyright (C) 2007, 2008, 2009, 2010 Google Inc. |
5 | 0006af7d | Michael Hanselmann | # |
6 | 0006af7d | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify |
7 | 0006af7d | Michael Hanselmann | # it under the terms of the GNU General Public License as published by |
8 | 0006af7d | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or |
9 | 0006af7d | Michael Hanselmann | # (at your option) any later version. |
10 | 0006af7d | Michael Hanselmann | # |
11 | 0006af7d | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but |
12 | 0006af7d | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | 0006af7d | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | 0006af7d | Michael Hanselmann | # General Public License for more details. |
15 | 0006af7d | Michael Hanselmann | # |
16 | 0006af7d | Michael Hanselmann | # You should have received a copy of the GNU General Public License |
17 | 0006af7d | Michael Hanselmann | # along with this program; if not, write to the Free Software |
18 | 0006af7d | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 | 0006af7d | Michael Hanselmann | # 02110-1301, USA. |
20 | 0006af7d | Michael Hanselmann | |
21 | 0006af7d | Michael Hanselmann | |
22 | 0006af7d | Michael Hanselmann | """Tool to upgrade the configuration file. |
23 | 0006af7d | Michael Hanselmann | |
24 | a421fdeb | Iustin Pop | This code handles only the types supported by simplejson. As an |
25 | a421fdeb | Iustin Pop | example, 'set' is a 'list'. |
26 | 0006af7d | Michael Hanselmann | |
27 | 0006af7d | Michael Hanselmann | """ |
28 | 0006af7d | Michael Hanselmann | |
29 | 0006af7d | Michael Hanselmann | |
30 | 0006af7d | Michael Hanselmann | import os |
31 | 0006af7d | Michael Hanselmann | import os.path |
32 | 0006af7d | Michael Hanselmann | import sys |
33 | 0006af7d | Michael Hanselmann | import optparse |
34 | eda37a5a | Michael Hanselmann | import logging |
35 | 0006af7d | Michael Hanselmann | |
36 | 95e4a814 | Michael Hanselmann | from ganeti import constants |
37 | 95e4a814 | Michael Hanselmann | from ganeti import serializer |
38 | 319856a9 | Michael Hanselmann | from ganeti import utils |
39 | f97c7901 | Michael Hanselmann | from ganeti import cli |
40 | a421fdeb | Iustin Pop | from ganeti import bootstrap |
41 | ac4d25b6 | Iustin Pop | from ganeti import config |
42 | 011974df | Michael Hanselmann | from ganeti import netutils |
43 | 0006af7d | Michael Hanselmann | |
44 | 0006af7d | Michael Hanselmann | |
45 | 319856a9 | Michael Hanselmann | options = None |
46 | 319856a9 | Michael Hanselmann | args = None |
47 | 0006af7d | Michael Hanselmann | |
48 | 6f285030 | Iustin Pop | |
49 | 319856a9 | Michael Hanselmann | class Error(Exception): |
50 | 319856a9 | Michael Hanselmann | """Generic exception""" |
51 | 319856a9 | Michael Hanselmann | pass |
52 | 0006af7d | Michael Hanselmann | |
53 | 0006af7d | Michael Hanselmann | |
54 | eda37a5a | Michael Hanselmann | def SetupLogging(): |
55 | eda37a5a | Michael Hanselmann | """Configures the logging module. |
56 | eda37a5a | Michael Hanselmann | |
57 | eda37a5a | Michael Hanselmann | """ |
58 | eda37a5a | Michael Hanselmann | formatter = logging.Formatter("%(asctime)s: %(message)s") |
59 | eda37a5a | Michael Hanselmann | |
60 | eda37a5a | Michael Hanselmann | stderr_handler = logging.StreamHandler() |
61 | eda37a5a | Michael Hanselmann | stderr_handler.setFormatter(formatter) |
62 | eda37a5a | Michael Hanselmann | if options.debug: |
63 | eda37a5a | Michael Hanselmann | stderr_handler.setLevel(logging.NOTSET) |
64 | eda37a5a | Michael Hanselmann | elif options.verbose: |
65 | eda37a5a | Michael Hanselmann | stderr_handler.setLevel(logging.INFO) |
66 | eda37a5a | Michael Hanselmann | else: |
67 | 011974df | Michael Hanselmann | stderr_handler.setLevel(logging.WARNING) |
68 | eda37a5a | Michael Hanselmann | |
69 | eda37a5a | Michael Hanselmann | root_logger = logging.getLogger("") |
70 | eda37a5a | Michael Hanselmann | root_logger.setLevel(logging.NOTSET) |
71 | eda37a5a | Michael Hanselmann | root_logger.addHandler(stderr_handler) |
72 | eda37a5a | Michael Hanselmann | |
73 | eda37a5a | Michael Hanselmann | |
74 | 011974df | Michael Hanselmann | def CheckHostname(path): |
75 | 011974df | Michael Hanselmann | """Ensures hostname matches ssconf value. |
76 | 011974df | Michael Hanselmann | |
77 | 011974df | Michael Hanselmann | @param path: Path to ssconf file |
78 | 011974df | Michael Hanselmann | |
79 | 011974df | Michael Hanselmann | """ |
80 | 011974df | Michael Hanselmann | ssconf_master_node = utils.ReadOneLineFile(path) |
81 | 011974df | Michael Hanselmann | hostname = netutils.GetHostname().name |
82 | 011974df | Michael Hanselmann | |
83 | 011974df | Michael Hanselmann | if ssconf_master_node == hostname: |
84 | 011974df | Michael Hanselmann | return True |
85 | 011974df | Michael Hanselmann | |
86 | 011974df | Michael Hanselmann | logging.warning("Warning: ssconf says master node is '%s', but this" |
87 | 011974df | Michael Hanselmann | " machine's name is '%s'; this tool must be run on" |
88 | 011974df | Michael Hanselmann | " the master node", ssconf_master_node, hostname) |
89 | 011974df | Michael Hanselmann | return False |
90 | 011974df | Michael Hanselmann | |
91 | 011974df | Michael Hanselmann | |
92 | 6d691282 | Michael Hanselmann | def main(): |
93 | 6d691282 | Michael Hanselmann | """Main program. |
94 | 6d691282 | Michael Hanselmann | |
95 | 6d691282 | Michael Hanselmann | """ |
96 | 7260cfbe | Iustin Pop | global options, args # pylint: disable-msg=W0603 |
97 | 6d691282 | Michael Hanselmann | |
98 | 0006af7d | Michael Hanselmann | # Option parsing |
99 | 95e4a814 | Michael Hanselmann | parser = optparse.OptionParser(usage="%prog [--debug|--verbose] [--force]") |
100 | 60edf71e | Michael Hanselmann | parser.add_option('--dry-run', dest='dry_run', |
101 | 60edf71e | Michael Hanselmann | action="store_true", |
102 | f4bc1f2c | Michael Hanselmann | help="Try to do the conversion, but don't write" |
103 | f4bc1f2c | Michael Hanselmann | " output file") |
104 | f97c7901 | Michael Hanselmann | parser.add_option(cli.FORCE_OPT) |
105 | eda37a5a | Michael Hanselmann | parser.add_option(cli.DEBUG_OPT) |
106 | 9cdb9578 | Iustin Pop | parser.add_option(cli.VERBOSE_OPT) |
107 | 011974df | Michael Hanselmann | parser.add_option("--ignore-hostname", dest="ignore_hostname", |
108 | 011974df | Michael Hanselmann | action="store_true", default=False, |
109 | 011974df | Michael Hanselmann | help="Don't abort if hostname doesn't match") |
110 | ac4d25b6 | Iustin Pop | parser.add_option('--path', help="Convert configuration in this" |
111 | ac4d25b6 | Iustin Pop | " directory instead of '%s'" % constants.DATA_DIR, |
112 | ac4d25b6 | Iustin Pop | default=constants.DATA_DIR, dest="data_dir") |
113 | 02e1292d | Michael Hanselmann | parser.add_option("--no-verify", |
114 | 02e1292d | Michael Hanselmann | help="Do not verify configuration after upgrade", |
115 | 02e1292d | Michael Hanselmann | action="store_true", dest="no_verify", default=False) |
116 | 0006af7d | Michael Hanselmann | (options, args) = parser.parse_args() |
117 | 0006af7d | Michael Hanselmann | |
118 | ac4d25b6 | Iustin Pop | # We need to keep filenames locally because they might be renamed between |
119 | ac4d25b6 | Iustin Pop | # versions. |
120 | 0cddd44d | Iustin Pop | options.data_dir = os.path.abspath(options.data_dir) |
121 | ac4d25b6 | Iustin Pop | options.CONFIG_DATA_PATH = options.data_dir + "/config.data" |
122 | ac4d25b6 | Iustin Pop | options.SERVER_PEM_PATH = options.data_dir + "/server.pem" |
123 | ac4d25b6 | Iustin Pop | options.KNOWN_HOSTS_PATH = options.data_dir + "/known_hosts" |
124 | ac4d25b6 | Iustin Pop | options.RAPI_CERT_FILE = options.data_dir + "/rapi.pem" |
125 | 6b7d5878 | Michael Hanselmann | options.CONFD_HMAC_KEY = options.data_dir + "/hmac.key" |
126 | fc0726b9 | Michael Hanselmann | options.CDS_FILE = options.data_dir + "/cluster-domain-secret" |
127 | 011974df | Michael Hanselmann | options.SSCONF_MASTER_NODE = options.data_dir + "/ssconf_master_node" |
128 | ac4d25b6 | Iustin Pop | |
129 | eda37a5a | Michael Hanselmann | SetupLogging() |
130 | eda37a5a | Michael Hanselmann | |
131 | 0006af7d | Michael Hanselmann | # Option checking |
132 | 0006af7d | Michael Hanselmann | if args: |
133 | 95e4a814 | Michael Hanselmann | raise Error("No arguments expected") |
134 | 0006af7d | Michael Hanselmann | |
135 | 011974df | Michael Hanselmann | # Check master name |
136 | 011974df | Michael Hanselmann | if not (CheckHostname(options.SSCONF_MASTER_NODE) or options.ignore_hostname): |
137 | 011974df | Michael Hanselmann | logging.error("Aborting due to hostname mismatch") |
138 | 011974df | Michael Hanselmann | sys.exit(constants.EXIT_FAILURE) |
139 | 011974df | Michael Hanselmann | |
140 | 319856a9 | Michael Hanselmann | if not options.force: |
141 | 011974df | Michael Hanselmann | usertext = ("Please make sure you have read the upgrade notes for" |
142 | 011974df | Michael Hanselmann | " Ganeti %s (available in the UPGRADE file and included" |
143 | 011974df | Michael Hanselmann | " in other documentation formats). Continue with upgrading" |
144 | 011974df | Michael Hanselmann | " configuration?" % constants.RELEASE_VERSION) |
145 | f97c7901 | Michael Hanselmann | if not cli.AskUser(usertext): |
146 | a9221f09 | Michael Hanselmann | sys.exit(constants.EXIT_FAILURE) |
147 | 319856a9 | Michael Hanselmann | |
148 | 95e4a814 | Michael Hanselmann | # Check whether it's a Ganeti configuration directory |
149 | ac4d25b6 | Iustin Pop | if not (os.path.isfile(options.CONFIG_DATA_PATH) and |
150 | 30acff6c | Michael Hanselmann | os.path.isfile(options.SERVER_PEM_PATH) and |
151 | ac4d25b6 | Iustin Pop | os.path.isfile(options.KNOWN_HOSTS_PATH)): |
152 | a9221f09 | Michael Hanselmann | raise Error(("%s does not seem to be a Ganeti configuration" |
153 | ac4d25b6 | Iustin Pop | " directory") % options.data_dir) |
154 | 95e4a814 | Michael Hanselmann | |
155 | 11c31f5c | Michael Hanselmann | config_data = serializer.LoadJson(utils.ReadFile(options.CONFIG_DATA_PATH)) |
156 | a421fdeb | Iustin Pop | |
157 | 11c31f5c | Michael Hanselmann | try: |
158 | 11c31f5c | Michael Hanselmann | config_version = config_data["version"] |
159 | 11c31f5c | Michael Hanselmann | except KeyError: |
160 | 11c31f5c | Michael Hanselmann | raise Error("Unable to determine configuration version") |
161 | 0006af7d | Michael Hanselmann | |
162 | 11c31f5c | Michael Hanselmann | (config_major, config_minor, config_revision) = \ |
163 | 11c31f5c | Michael Hanselmann | constants.SplitVersion(config_version) |
164 | 319856a9 | Michael Hanselmann | |
165 | 11c31f5c | Michael Hanselmann | logging.info("Found configuration version %s (%d.%d.%d)", |
166 | 11c31f5c | Michael Hanselmann | config_version, config_major, config_minor, config_revision) |
167 | 319856a9 | Michael Hanselmann | |
168 | 11c31f5c | Michael Hanselmann | if "config_version" in config_data["cluster"]: |
169 | 11c31f5c | Michael Hanselmann | raise Error("Inconsistent configuration: found config_version in" |
170 | 11c31f5c | Michael Hanselmann | " configuration file") |
171 | 95e4a814 | Michael Hanselmann | |
172 | a8ee6e94 | Michael Hanselmann | # Upgrade from 2.0/2.1/2.2 to 2.3 |
173 | a8ee6e94 | Michael Hanselmann | if config_major == 2 and config_minor in (0, 1, 2): |
174 | aeb0c953 | Michael Hanselmann | if config_revision != 0: |
175 | a9221f09 | Michael Hanselmann | logging.warning("Config revision is %s, not 0", config_revision) |
176 | aeb0c953 | Michael Hanselmann | |
177 | a8ee6e94 | Michael Hanselmann | config_data["version"] = constants.BuildVersion(2, 3, 0) |
178 | a9221f09 | Michael Hanselmann | |
179 | a8ee6e94 | Michael Hanselmann | elif config_major == 2 and config_minor == 3: |
180 | a9221f09 | Michael Hanselmann | logging.info("No changes necessary") |
181 | a9221f09 | Michael Hanselmann | |
182 | a9221f09 | Michael Hanselmann | else: |
183 | a9221f09 | Michael Hanselmann | raise Error("Configuration version %d.%d.%d not supported by this tool" % |
184 | a9221f09 | Michael Hanselmann | (config_major, config_minor, config_revision)) |
185 | aeb0c953 | Michael Hanselmann | |
186 | 11c31f5c | Michael Hanselmann | try: |
187 | 11c31f5c | Michael Hanselmann | logging.info("Writing configuration file to %s", options.CONFIG_DATA_PATH) |
188 | 11c31f5c | Michael Hanselmann | utils.WriteFile(file_name=options.CONFIG_DATA_PATH, |
189 | 11c31f5c | Michael Hanselmann | data=serializer.DumpJson(config_data), |
190 | 11c31f5c | Michael Hanselmann | mode=0600, |
191 | 11c31f5c | Michael Hanselmann | dry_run=options.dry_run, |
192 | 11c31f5c | Michael Hanselmann | backup=True) |
193 | a421fdeb | Iustin Pop | |
194 | a421fdeb | Iustin Pop | if not options.dry_run: |
195 | af2ae1c0 | Iustin Pop | bootstrap.GenerateClusterCrypto(False, False, False, False, |
196 | aeefe835 | Iustin Pop | nodecert_file=options.SERVER_PEM_PATH, |
197 | aeefe835 | Iustin Pop | rapicert_file=options.RAPI_CERT_FILE, |
198 | fc0726b9 | Michael Hanselmann | hmackey_file=options.CONFD_HMAC_KEY, |
199 | fc0726b9 | Michael Hanselmann | cds_file=options.CDS_FILE) |
200 | aeb0c953 | Michael Hanselmann | |
201 | a9221f09 | Michael Hanselmann | except Exception: |
202 | 11c31f5c | Michael Hanselmann | logging.critical("Writing configuration failed. It is probably in an" |
203 | 95e4a814 | Michael Hanselmann | " inconsistent state and needs manual intervention.") |
204 | 95e4a814 | Michael Hanselmann | raise |
205 | 0006af7d | Michael Hanselmann | |
206 | ac4d25b6 | Iustin Pop | # test loading the config file |
207 | 02e1292d | Michael Hanselmann | if not (options.dry_run or options.no_verify): |
208 | ac4d25b6 | Iustin Pop | logging.info("Testing the new config file...") |
209 | ac4d25b6 | Iustin Pop | cfg = config.ConfigWriter(cfg_file=options.CONFIG_DATA_PATH, |
210 | ac4d25b6 | Iustin Pop | offline=True) |
211 | ac4d25b6 | Iustin Pop | # if we reached this, it's all fine |
212 | ac4d25b6 | Iustin Pop | vrfy = cfg.VerifyConfig() |
213 | ac4d25b6 | Iustin Pop | if vrfy: |
214 | ac4d25b6 | Iustin Pop | logging.error("Errors after conversion:") |
215 | ac4d25b6 | Iustin Pop | for item in vrfy: |
216 | 07b8a2b5 | Iustin Pop | logging.error(" - %s", item) |
217 | ac4d25b6 | Iustin Pop | del cfg |
218 | ac4d25b6 | Iustin Pop | logging.info("File loaded successfully") |
219 | ac4d25b6 | Iustin Pop | |
220 | 6d691282 | Michael Hanselmann | |
221 | 6d691282 | Michael Hanselmann | if __name__ == "__main__": |
222 | 6d691282 | Michael Hanselmann | main() |
223 | 6d691282 | Michael Hanselmann | |
224 | 319856a9 | Michael Hanselmann | # vim: set foldmethod=marker : |