root / tools / cfgupgrade @ 93fd9bb1
History | View | Annotate | Download (9.5 kB)
1 | 0006af7d | Michael Hanselmann | #!/usr/bin/python |
---|---|---|---|
2 | 0006af7d | Michael Hanselmann | # |
3 | 0006af7d | Michael Hanselmann | |
4 | 93fd9bb1 | Iustin Pop | # Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 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 | 93fd9bb1 | Iustin Pop | #: Target major version we will upgrade to |
50 | 93fd9bb1 | Iustin Pop | TARGET_MAJOR = 2 |
51 | 93fd9bb1 | Iustin Pop | #: Target minor version we will upgrade to |
52 | 93fd9bb1 | Iustin Pop | TARGET_MINOR = 6 |
53 | 93fd9bb1 | Iustin Pop | |
54 | 93fd9bb1 | Iustin Pop | |
55 | 319856a9 | Michael Hanselmann | class Error(Exception): |
56 | 319856a9 | Michael Hanselmann | """Generic exception""" |
57 | 319856a9 | Michael Hanselmann | pass |
58 | 0006af7d | Michael Hanselmann | |
59 | 0006af7d | Michael Hanselmann | |
60 | eda37a5a | Michael Hanselmann | def SetupLogging(): |
61 | eda37a5a | Michael Hanselmann | """Configures the logging module. |
62 | eda37a5a | Michael Hanselmann | |
63 | eda37a5a | Michael Hanselmann | """ |
64 | eda37a5a | Michael Hanselmann | formatter = logging.Formatter("%(asctime)s: %(message)s") |
65 | eda37a5a | Michael Hanselmann | |
66 | eda37a5a | Michael Hanselmann | stderr_handler = logging.StreamHandler() |
67 | eda37a5a | Michael Hanselmann | stderr_handler.setFormatter(formatter) |
68 | eda37a5a | Michael Hanselmann | if options.debug: |
69 | eda37a5a | Michael Hanselmann | stderr_handler.setLevel(logging.NOTSET) |
70 | eda37a5a | Michael Hanselmann | elif options.verbose: |
71 | eda37a5a | Michael Hanselmann | stderr_handler.setLevel(logging.INFO) |
72 | eda37a5a | Michael Hanselmann | else: |
73 | 011974df | Michael Hanselmann | stderr_handler.setLevel(logging.WARNING) |
74 | eda37a5a | Michael Hanselmann | |
75 | eda37a5a | Michael Hanselmann | root_logger = logging.getLogger("") |
76 | eda37a5a | Michael Hanselmann | root_logger.setLevel(logging.NOTSET) |
77 | eda37a5a | Michael Hanselmann | root_logger.addHandler(stderr_handler) |
78 | eda37a5a | Michael Hanselmann | |
79 | eda37a5a | Michael Hanselmann | |
80 | 011974df | Michael Hanselmann | def CheckHostname(path): |
81 | 011974df | Michael Hanselmann | """Ensures hostname matches ssconf value. |
82 | 011974df | Michael Hanselmann | |
83 | 011974df | Michael Hanselmann | @param path: Path to ssconf file |
84 | 011974df | Michael Hanselmann | |
85 | 011974df | Michael Hanselmann | """ |
86 | 011974df | Michael Hanselmann | ssconf_master_node = utils.ReadOneLineFile(path) |
87 | 011974df | Michael Hanselmann | hostname = netutils.GetHostname().name |
88 | 011974df | Michael Hanselmann | |
89 | 011974df | Michael Hanselmann | if ssconf_master_node == hostname: |
90 | 011974df | Michael Hanselmann | return True |
91 | 011974df | Michael Hanselmann | |
92 | 011974df | Michael Hanselmann | logging.warning("Warning: ssconf says master node is '%s', but this" |
93 | 011974df | Michael Hanselmann | " machine's name is '%s'; this tool must be run on" |
94 | 011974df | Michael Hanselmann | " the master node", ssconf_master_node, hostname) |
95 | 011974df | Michael Hanselmann | return False |
96 | 011974df | Michael Hanselmann | |
97 | 011974df | Michael Hanselmann | |
98 | 6d691282 | Michael Hanselmann | def main(): |
99 | 6d691282 | Michael Hanselmann | """Main program. |
100 | 6d691282 | Michael Hanselmann | |
101 | 6d691282 | Michael Hanselmann | """ |
102 | b459a848 | Andrea Spadaccini | global options, args # pylint: disable=W0603 |
103 | 6d691282 | Michael Hanselmann | |
104 | 0006af7d | Michael Hanselmann | # Option parsing |
105 | 95e4a814 | Michael Hanselmann | parser = optparse.OptionParser(usage="%prog [--debug|--verbose] [--force]") |
106 | 3ccb3a64 | Michael Hanselmann | parser.add_option("--dry-run", dest="dry_run", |
107 | 60edf71e | Michael Hanselmann | action="store_true", |
108 | f4bc1f2c | Michael Hanselmann | help="Try to do the conversion, but don't write" |
109 | f4bc1f2c | Michael Hanselmann | " output file") |
110 | f97c7901 | Michael Hanselmann | parser.add_option(cli.FORCE_OPT) |
111 | eda37a5a | Michael Hanselmann | parser.add_option(cli.DEBUG_OPT) |
112 | 9cdb9578 | Iustin Pop | parser.add_option(cli.VERBOSE_OPT) |
113 | 011974df | Michael Hanselmann | parser.add_option("--ignore-hostname", dest="ignore_hostname", |
114 | 011974df | Michael Hanselmann | action="store_true", default=False, |
115 | 011974df | Michael Hanselmann | help="Don't abort if hostname doesn't match") |
116 | 3ccb3a64 | Michael Hanselmann | parser.add_option("--path", help="Convert configuration in this" |
117 | ac4d25b6 | Iustin Pop | " directory instead of '%s'" % constants.DATA_DIR, |
118 | ac4d25b6 | Iustin Pop | default=constants.DATA_DIR, dest="data_dir") |
119 | 02e1292d | Michael Hanselmann | parser.add_option("--no-verify", |
120 | 02e1292d | Michael Hanselmann | help="Do not verify configuration after upgrade", |
121 | 02e1292d | Michael Hanselmann | action="store_true", dest="no_verify", default=False) |
122 | 0006af7d | Michael Hanselmann | (options, args) = parser.parse_args() |
123 | 0006af7d | Michael Hanselmann | |
124 | ac4d25b6 | Iustin Pop | # We need to keep filenames locally because they might be renamed between |
125 | ac4d25b6 | Iustin Pop | # versions. |
126 | 0cddd44d | Iustin Pop | options.data_dir = os.path.abspath(options.data_dir) |
127 | ac4d25b6 | Iustin Pop | options.CONFIG_DATA_PATH = options.data_dir + "/config.data" |
128 | ac4d25b6 | Iustin Pop | options.SERVER_PEM_PATH = options.data_dir + "/server.pem" |
129 | ac4d25b6 | Iustin Pop | options.KNOWN_HOSTS_PATH = options.data_dir + "/known_hosts" |
130 | ac4d25b6 | Iustin Pop | options.RAPI_CERT_FILE = options.data_dir + "/rapi.pem" |
131 | b6267745 | Andrea Spadaccini | options.SPICE_CERT_FILE = options.data_dir + "/spice.pem" |
132 | b6267745 | Andrea Spadaccini | options.SPICE_CACERT_FILE = options.data_dir + "/spice-ca.pem" |
133 | fdd9ac5b | Michael Hanselmann | options.RAPI_USERS_FILE = options.data_dir + "/rapi/users" |
134 | fdd9ac5b | Michael Hanselmann | options.RAPI_USERS_FILE_PRE24 = options.data_dir + "/rapi_users" |
135 | 6b7d5878 | Michael Hanselmann | options.CONFD_HMAC_KEY = options.data_dir + "/hmac.key" |
136 | fc0726b9 | Michael Hanselmann | options.CDS_FILE = options.data_dir + "/cluster-domain-secret" |
137 | 011974df | Michael Hanselmann | options.SSCONF_MASTER_NODE = options.data_dir + "/ssconf_master_node" |
138 | a292020f | Michael Hanselmann | options.WATCHER_STATEFILE = options.data_dir + "/watcher.data" |
139 | ac4d25b6 | Iustin Pop | |
140 | eda37a5a | Michael Hanselmann | SetupLogging() |
141 | eda37a5a | Michael Hanselmann | |
142 | 0006af7d | Michael Hanselmann | # Option checking |
143 | 0006af7d | Michael Hanselmann | if args: |
144 | 95e4a814 | Michael Hanselmann | raise Error("No arguments expected") |
145 | 0006af7d | Michael Hanselmann | |
146 | 011974df | Michael Hanselmann | # Check master name |
147 | 011974df | Michael Hanselmann | if not (CheckHostname(options.SSCONF_MASTER_NODE) or options.ignore_hostname): |
148 | 011974df | Michael Hanselmann | logging.error("Aborting due to hostname mismatch") |
149 | 011974df | Michael Hanselmann | sys.exit(constants.EXIT_FAILURE) |
150 | 011974df | Michael Hanselmann | |
151 | 319856a9 | Michael Hanselmann | if not options.force: |
152 | 011974df | Michael Hanselmann | usertext = ("Please make sure you have read the upgrade notes for" |
153 | 011974df | Michael Hanselmann | " Ganeti %s (available in the UPGRADE file and included" |
154 | 011974df | Michael Hanselmann | " in other documentation formats). Continue with upgrading" |
155 | 011974df | Michael Hanselmann | " configuration?" % constants.RELEASE_VERSION) |
156 | f97c7901 | Michael Hanselmann | if not cli.AskUser(usertext): |
157 | a9221f09 | Michael Hanselmann | sys.exit(constants.EXIT_FAILURE) |
158 | 319856a9 | Michael Hanselmann | |
159 | 95e4a814 | Michael Hanselmann | # Check whether it's a Ganeti configuration directory |
160 | ac4d25b6 | Iustin Pop | if not (os.path.isfile(options.CONFIG_DATA_PATH) and |
161 | 30acff6c | Michael Hanselmann | os.path.isfile(options.SERVER_PEM_PATH) and |
162 | ac4d25b6 | Iustin Pop | os.path.isfile(options.KNOWN_HOSTS_PATH)): |
163 | a9221f09 | Michael Hanselmann | raise Error(("%s does not seem to be a Ganeti configuration" |
164 | ac4d25b6 | Iustin Pop | " directory") % options.data_dir) |
165 | 95e4a814 | Michael Hanselmann | |
166 | 11c31f5c | Michael Hanselmann | config_data = serializer.LoadJson(utils.ReadFile(options.CONFIG_DATA_PATH)) |
167 | a421fdeb | Iustin Pop | |
168 | 11c31f5c | Michael Hanselmann | try: |
169 | 11c31f5c | Michael Hanselmann | config_version = config_data["version"] |
170 | 11c31f5c | Michael Hanselmann | except KeyError: |
171 | 11c31f5c | Michael Hanselmann | raise Error("Unable to determine configuration version") |
172 | 0006af7d | Michael Hanselmann | |
173 | 11c31f5c | Michael Hanselmann | (config_major, config_minor, config_revision) = \ |
174 | 11c31f5c | Michael Hanselmann | constants.SplitVersion(config_version) |
175 | 319856a9 | Michael Hanselmann | |
176 | 11c31f5c | Michael Hanselmann | logging.info("Found configuration version %s (%d.%d.%d)", |
177 | 11c31f5c | Michael Hanselmann | config_version, config_major, config_minor, config_revision) |
178 | 319856a9 | Michael Hanselmann | |
179 | 11c31f5c | Michael Hanselmann | if "config_version" in config_data["cluster"]: |
180 | 11c31f5c | Michael Hanselmann | raise Error("Inconsistent configuration: found config_version in" |
181 | 11c31f5c | Michael Hanselmann | " configuration file") |
182 | 95e4a814 | Michael Hanselmann | |
183 | a91f69c4 | Michael Hanselmann | # Upgrade from 2.0/2.1/2.2/2.3 to 2.4 |
184 | 93fd9bb1 | Iustin Pop | if config_major == 2 and config_minor in (0, 1, 2, 3, 4, 5): |
185 | aeb0c953 | Michael Hanselmann | if config_revision != 0: |
186 | a9221f09 | Michael Hanselmann | logging.warning("Config revision is %s, not 0", config_revision) |
187 | aeb0c953 | Michael Hanselmann | |
188 | 93fd9bb1 | Iustin Pop | config_data["version"] = constants.BuildVersion(TARGET_MAJOR, |
189 | 93fd9bb1 | Iustin Pop | TARGET_MINOR, 0) |
190 | a9221f09 | Michael Hanselmann | |
191 | 93fd9bb1 | Iustin Pop | elif config_major == TARGET_MAJOR and config_minor == TARGET_MINOR: |
192 | a9221f09 | Michael Hanselmann | logging.info("No changes necessary") |
193 | a9221f09 | Michael Hanselmann | |
194 | a9221f09 | Michael Hanselmann | else: |
195 | a9221f09 | Michael Hanselmann | raise Error("Configuration version %d.%d.%d not supported by this tool" % |
196 | a9221f09 | Michael Hanselmann | (config_major, config_minor, config_revision)) |
197 | aeb0c953 | Michael Hanselmann | |
198 | 87c80992 | Michael Hanselmann | if (os.path.isfile(options.RAPI_USERS_FILE_PRE24) and |
199 | 87c80992 | Michael Hanselmann | not os.path.islink(options.RAPI_USERS_FILE_PRE24)): |
200 | 87c80992 | Michael Hanselmann | if os.path.exists(options.RAPI_USERS_FILE): |
201 | 87c80992 | Michael Hanselmann | raise Error("Found pre-2.4 RAPI users file at %s, but another file" |
202 | 87c80992 | Michael Hanselmann | " already exists at %s" % |
203 | 87c80992 | Michael Hanselmann | (options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE)) |
204 | fdd9ac5b | Michael Hanselmann | logging.info("Found pre-2.4 RAPI users file at %s, renaming to %s", |
205 | fdd9ac5b | Michael Hanselmann | options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE) |
206 | 87c80992 | Michael Hanselmann | if not options.dry_run: |
207 | 87c80992 | Michael Hanselmann | utils.RenameFile(options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE, |
208 | 87c80992 | Michael Hanselmann | mkdir=True, mkdir_mode=0750) |
209 | fdd9ac5b | Michael Hanselmann | |
210 | fdd9ac5b | Michael Hanselmann | # Create a symlink for RAPI users file |
211 | 87c80992 | Michael Hanselmann | if (not (os.path.islink(options.RAPI_USERS_FILE_PRE24) or |
212 | 87c80992 | Michael Hanselmann | os.path.isfile(options.RAPI_USERS_FILE_PRE24)) and |
213 | 87c80992 | Michael Hanselmann | os.path.isfile(options.RAPI_USERS_FILE)): |
214 | fdd9ac5b | Michael Hanselmann | logging.info("Creating symlink from %s to %s", |
215 | fdd9ac5b | Michael Hanselmann | options.RAPI_USERS_FILE_PRE24, options.RAPI_USERS_FILE) |
216 | 87c80992 | Michael Hanselmann | if not options.dry_run: |
217 | 87c80992 | Michael Hanselmann | os.symlink(options.RAPI_USERS_FILE, options.RAPI_USERS_FILE_PRE24) |
218 | fdd9ac5b | Michael Hanselmann | |
219 | a292020f | Michael Hanselmann | # Remove old watcher state file if it exists |
220 | a292020f | Michael Hanselmann | if os.path.exists(options.WATCHER_STATEFILE): |
221 | a292020f | Michael Hanselmann | logging.info("Removing watcher state file %s", options.WATCHER_STATEFILE) |
222 | a292020f | Michael Hanselmann | if not options.dry_run: |
223 | a292020f | Michael Hanselmann | utils.RemoveFile(options.WATCHER_STATEFILE) |
224 | a292020f | Michael Hanselmann | |
225 | 11c31f5c | Michael Hanselmann | try: |
226 | 11c31f5c | Michael Hanselmann | logging.info("Writing configuration file to %s", options.CONFIG_DATA_PATH) |
227 | 11c31f5c | Michael Hanselmann | utils.WriteFile(file_name=options.CONFIG_DATA_PATH, |
228 | 11c31f5c | Michael Hanselmann | data=serializer.DumpJson(config_data), |
229 | 11c31f5c | Michael Hanselmann | mode=0600, |
230 | 11c31f5c | Michael Hanselmann | dry_run=options.dry_run, |
231 | 11c31f5c | Michael Hanselmann | backup=True) |
232 | a421fdeb | Iustin Pop | |
233 | a421fdeb | Iustin Pop | if not options.dry_run: |
234 | b6267745 | Andrea Spadaccini | bootstrap.GenerateClusterCrypto(False, False, False, False, False, |
235 | b6267745 | Andrea Spadaccini | nodecert_file=options.SERVER_PEM_PATH, |
236 | b6267745 | Andrea Spadaccini | rapicert_file=options.RAPI_CERT_FILE, |
237 | b6267745 | Andrea Spadaccini | spicecert_file=options.SPICE_CERT_FILE, |
238 | b6267745 | Andrea Spadaccini | spicecacert_file=options.SPICE_CACERT_FILE, |
239 | b6267745 | Andrea Spadaccini | hmackey_file=options.CONFD_HMAC_KEY, |
240 | b6267745 | Andrea Spadaccini | cds_file=options.CDS_FILE) |
241 | aeb0c953 | Michael Hanselmann | |
242 | a9221f09 | Michael Hanselmann | except Exception: |
243 | 11c31f5c | Michael Hanselmann | logging.critical("Writing configuration failed. It is probably in an" |
244 | 95e4a814 | Michael Hanselmann | " inconsistent state and needs manual intervention.") |
245 | 95e4a814 | Michael Hanselmann | raise |
246 | 0006af7d | Michael Hanselmann | |
247 | ac4d25b6 | Iustin Pop | # test loading the config file |
248 | 02e1292d | Michael Hanselmann | if not (options.dry_run or options.no_verify): |
249 | ac4d25b6 | Iustin Pop | logging.info("Testing the new config file...") |
250 | ac4d25b6 | Iustin Pop | cfg = config.ConfigWriter(cfg_file=options.CONFIG_DATA_PATH, |
251 | 959b6fe5 | Apollon Oikonomopoulos | accept_foreign=options.ignore_hostname, |
252 | ac4d25b6 | Iustin Pop | offline=True) |
253 | ac4d25b6 | Iustin Pop | # if we reached this, it's all fine |
254 | ac4d25b6 | Iustin Pop | vrfy = cfg.VerifyConfig() |
255 | ac4d25b6 | Iustin Pop | if vrfy: |
256 | ac4d25b6 | Iustin Pop | logging.error("Errors after conversion:") |
257 | ac4d25b6 | Iustin Pop | for item in vrfy: |
258 | 07b8a2b5 | Iustin Pop | logging.error(" - %s", item) |
259 | ac4d25b6 | Iustin Pop | del cfg |
260 | ac4d25b6 | Iustin Pop | logging.info("File loaded successfully") |
261 | ac4d25b6 | Iustin Pop | |
262 | 66a66fa7 | Michael Hanselmann | cli.ToStderr("Configuration successfully upgraded for version %s.", |
263 | 66a66fa7 | Michael Hanselmann | constants.RELEASE_VERSION) |
264 | 66a66fa7 | Michael Hanselmann | |
265 | 6d691282 | Michael Hanselmann | |
266 | 6d691282 | Michael Hanselmann | if __name__ == "__main__": |
267 | 6d691282 | Michael Hanselmann | main() |