root / tools / cfgupgrade @ aeefe835
History | View | Annotate | Download (6.2 kB)
1 |
#!/usr/bin/python |
---|---|
2 |
# |
3 |
|
4 |
# Copyright (C) 2007, 2008, 2009, 2010 Google Inc. |
5 |
# |
6 |
# This program is free software; you can redistribute it and/or modify |
7 |
# it under the terms of the GNU General Public License as published by |
8 |
# the Free Software Foundation; either version 2 of the License, or |
9 |
# (at your option) any later version. |
10 |
# |
11 |
# This program is distributed in the hope that it will be useful, but |
12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
# General Public License for more details. |
15 |
# |
16 |
# You should have received a copy of the GNU General Public License |
17 |
# along with this program; if not, write to the Free Software |
18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 |
# 02110-1301, USA. |
20 |
|
21 |
|
22 |
"""Tool to upgrade the configuration file. |
23 |
|
24 |
This code handles only the types supported by simplejson. As an |
25 |
example, 'set' is a 'list'. |
26 |
|
27 |
""" |
28 |
|
29 |
|
30 |
import os |
31 |
import os.path |
32 |
import sys |
33 |
import optparse |
34 |
import logging |
35 |
|
36 |
from ganeti import constants |
37 |
from ganeti import serializer |
38 |
from ganeti import utils |
39 |
from ganeti import cli |
40 |
from ganeti import bootstrap |
41 |
from ganeti import config |
42 |
|
43 |
|
44 |
options = None |
45 |
args = None |
46 |
|
47 |
# Dictionary with instance old keys, and new hypervisor keys |
48 |
INST_HV_CHG = { |
49 |
'hvm_pae': constants.HV_PAE, |
50 |
'vnc_bind_address': constants.HV_VNC_BIND_ADDRESS, |
51 |
'initrd_path': constants.HV_INITRD_PATH, |
52 |
'hvm_nic_type': constants.HV_NIC_TYPE, |
53 |
'kernel_path': constants.HV_KERNEL_PATH, |
54 |
'hvm_acpi': constants.HV_ACPI, |
55 |
'hvm_cdrom_image_path': constants.HV_CDROM_IMAGE_PATH, |
56 |
'hvm_boot_order': constants.HV_BOOT_ORDER, |
57 |
'hvm_disk_type': constants.HV_DISK_TYPE, |
58 |
} |
59 |
|
60 |
# Instance beparams changes |
61 |
INST_BE_CHG = { |
62 |
'vcpus': constants.BE_VCPUS, |
63 |
'memory': constants.BE_MEMORY, |
64 |
'auto_balance': constants.BE_AUTO_BALANCE, |
65 |
} |
66 |
|
67 |
# Field names |
68 |
F_SERIAL = 'serial_no' |
69 |
|
70 |
|
71 |
class Error(Exception): |
72 |
"""Generic exception""" |
73 |
pass |
74 |
|
75 |
|
76 |
def SetupLogging(): |
77 |
"""Configures the logging module. |
78 |
|
79 |
""" |
80 |
formatter = logging.Formatter("%(asctime)s: %(message)s") |
81 |
|
82 |
stderr_handler = logging.StreamHandler() |
83 |
stderr_handler.setFormatter(formatter) |
84 |
if options.debug: |
85 |
stderr_handler.setLevel(logging.NOTSET) |
86 |
elif options.verbose: |
87 |
stderr_handler.setLevel(logging.INFO) |
88 |
else: |
89 |
stderr_handler.setLevel(logging.CRITICAL) |
90 |
|
91 |
root_logger = logging.getLogger("") |
92 |
root_logger.setLevel(logging.NOTSET) |
93 |
root_logger.addHandler(stderr_handler) |
94 |
|
95 |
|
96 |
def main(): |
97 |
"""Main program. |
98 |
|
99 |
""" |
100 |
global options, args # pylint: disable-msg=W0603 |
101 |
|
102 |
program = os.path.basename(sys.argv[0]) |
103 |
|
104 |
# Option parsing |
105 |
parser = optparse.OptionParser(usage="%prog [--debug|--verbose] [--force]") |
106 |
parser.add_option('--dry-run', dest='dry_run', |
107 |
action="store_true", |
108 |
help="Try to do the conversion, but don't write" |
109 |
" output file") |
110 |
parser.add_option(cli.FORCE_OPT) |
111 |
parser.add_option(cli.DEBUG_OPT) |
112 |
parser.add_option(cli.VERBOSE_OPT) |
113 |
parser.add_option('--path', help="Convert configuration in this" |
114 |
" directory instead of '%s'" % constants.DATA_DIR, |
115 |
default=constants.DATA_DIR, dest="data_dir") |
116 |
(options, args) = parser.parse_args() |
117 |
|
118 |
# We need to keep filenames locally because they might be renamed between |
119 |
# versions. |
120 |
options.CONFIG_DATA_PATH = options.data_dir + "/config.data" |
121 |
options.SERVER_PEM_PATH = options.data_dir + "/server.pem" |
122 |
options.KNOWN_HOSTS_PATH = options.data_dir + "/known_hosts" |
123 |
options.RAPI_CERT_FILE = options.data_dir + "/rapi.pem" |
124 |
options.CONFD_HMAC_KEY = options.data_dir + "/hmac.key" |
125 |
|
126 |
SetupLogging() |
127 |
|
128 |
# Option checking |
129 |
if args: |
130 |
raise Error("No arguments expected") |
131 |
|
132 |
if not options.force: |
133 |
usertext = ("%s MUST be run on the master node. Is this the master" |
134 |
" node and are ALL instances down?" % program) |
135 |
if not cli.AskUser(usertext): |
136 |
sys.exit(1) |
137 |
|
138 |
# Check whether it's a Ganeti configuration directory |
139 |
if not (os.path.isfile(options.CONFIG_DATA_PATH) and |
140 |
os.path.isfile(options.SERVER_PEM_PATH) or |
141 |
os.path.isfile(options.KNOWN_HOSTS_PATH)): |
142 |
raise Error(("%s does not seem to be a known Ganeti configuration" |
143 |
" directory") % options.data_dir) |
144 |
|
145 |
config_data = serializer.LoadJson(utils.ReadFile(options.CONFIG_DATA_PATH)) |
146 |
|
147 |
try: |
148 |
config_version = config_data["version"] |
149 |
except KeyError: |
150 |
raise Error("Unable to determine configuration version") |
151 |
|
152 |
(config_major, config_minor, config_revision) = \ |
153 |
constants.SplitVersion(config_version) |
154 |
|
155 |
logging.info("Found configuration version %s (%d.%d.%d)", |
156 |
config_version, config_major, config_minor, config_revision) |
157 |
|
158 |
if "config_version" in config_data["cluster"]: |
159 |
raise Error("Inconsistent configuration: found config_version in" |
160 |
" configuration file") |
161 |
|
162 |
if config_major == 2 and config_minor == 0: |
163 |
if config_revision != 0: |
164 |
logging.warning("Config revision is not 0") |
165 |
|
166 |
config_data["version"] = constants.BuildVersion(2, 1, 0) |
167 |
|
168 |
try: |
169 |
logging.info("Writing configuration file to %s", options.CONFIG_DATA_PATH) |
170 |
utils.WriteFile(file_name=options.CONFIG_DATA_PATH, |
171 |
data=serializer.DumpJson(config_data), |
172 |
mode=0600, |
173 |
dry_run=options.dry_run, |
174 |
backup=True) |
175 |
|
176 |
if not options.dry_run: |
177 |
bootstrap.GenerateClusterCrypto(False, False, False, |
178 |
nodecert_file=options.SERVER_PEM_PATH, |
179 |
rapicert_file=options.RAPI_CERT_FILE, |
180 |
hmackey_file=options.CONFD_HMAC_KEY) |
181 |
|
182 |
except: |
183 |
logging.critical("Writing configuration failed. It is probably in an" |
184 |
" inconsistent state and needs manual intervention.") |
185 |
raise |
186 |
|
187 |
# test loading the config file |
188 |
if not options.dry_run: |
189 |
logging.info("Testing the new config file...") |
190 |
cfg = config.ConfigWriter(cfg_file=options.CONFIG_DATA_PATH, |
191 |
offline=True) |
192 |
# if we reached this, it's all fine |
193 |
vrfy = cfg.VerifyConfig() |
194 |
if vrfy: |
195 |
logging.error("Errors after conversion:") |
196 |
for item in vrfy: |
197 |
logging.error(" - %s", item) |
198 |
del cfg |
199 |
logging.info("File loaded successfully") |
200 |
|
201 |
|
202 |
if __name__ == "__main__": |
203 |
main() |
204 |
|
205 |
# vim: set foldmethod=marker : |