root / lib / tools / node_cleanup.py @ d08a8359
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1 | d5fe5fa9 | Michael Hanselmann | #
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2 | d5fe5fa9 | Michael Hanselmann | #
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3 | d5fe5fa9 | Michael Hanselmann | |
4 | d5fe5fa9 | Michael Hanselmann | # Copyright (C) 2012 Google Inc.
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5 | d5fe5fa9 | Michael Hanselmann | #
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6 | d5fe5fa9 | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
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7 | d5fe5fa9 | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
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8 | d5fe5fa9 | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
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9 | d5fe5fa9 | Michael Hanselmann | # (at your option) any later version.
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10 | d5fe5fa9 | Michael Hanselmann | #
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11 | d5fe5fa9 | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
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12 | d5fe5fa9 | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | d5fe5fa9 | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | d5fe5fa9 | Michael Hanselmann | # General Public License for more details.
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15 | d5fe5fa9 | Michael Hanselmann | #
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16 | d5fe5fa9 | Michael Hanselmann | # You should have received a copy of the GNU General Public License
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17 | d5fe5fa9 | Michael Hanselmann | # along with this program; if not, write to the Free Software
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18 | d5fe5fa9 | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | d5fe5fa9 | Michael Hanselmann | # 02110-1301, USA.
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20 | d5fe5fa9 | Michael Hanselmann | |
21 | d5fe5fa9 | Michael Hanselmann | """Script to configure the node daemon.
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22 | d5fe5fa9 | Michael Hanselmann |
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23 | d5fe5fa9 | Michael Hanselmann | """
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24 | d5fe5fa9 | Michael Hanselmann | |
25 | d5fe5fa9 | Michael Hanselmann | import os |
26 | d5fe5fa9 | Michael Hanselmann | import os.path |
27 | d5fe5fa9 | Michael Hanselmann | import optparse |
28 | d5fe5fa9 | Michael Hanselmann | import sys |
29 | d5fe5fa9 | Michael Hanselmann | import logging |
30 | d5fe5fa9 | Michael Hanselmann | |
31 | d5fe5fa9 | Michael Hanselmann | from ganeti import cli |
32 | d5fe5fa9 | Michael Hanselmann | from ganeti import constants |
33 | d5fe5fa9 | Michael Hanselmann | from ganeti import pathutils |
34 | d5fe5fa9 | Michael Hanselmann | from ganeti import ssconf |
35 | d5fe5fa9 | Michael Hanselmann | from ganeti import utils |
36 | d5fe5fa9 | Michael Hanselmann | |
37 | d5fe5fa9 | Michael Hanselmann | |
38 | d5fe5fa9 | Michael Hanselmann | def ParseOptions(): |
39 | d5fe5fa9 | Michael Hanselmann | """Parses the options passed to the program.
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40 | d5fe5fa9 | Michael Hanselmann |
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41 | d5fe5fa9 | Michael Hanselmann | @return: Options and arguments
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42 | d5fe5fa9 | Michael Hanselmann |
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43 | d5fe5fa9 | Michael Hanselmann | """
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44 | d5fe5fa9 | Michael Hanselmann | parser = optparse.OptionParser(usage="%prog [--no-backup]",
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45 | d5fe5fa9 | Michael Hanselmann | prog=os.path.basename(sys.argv[0]))
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46 | d5fe5fa9 | Michael Hanselmann | parser.add_option(cli.DEBUG_OPT) |
47 | d5fe5fa9 | Michael Hanselmann | parser.add_option(cli.VERBOSE_OPT) |
48 | d5fe5fa9 | Michael Hanselmann | parser.add_option(cli.YES_DOIT_OPT) |
49 | d5fe5fa9 | Michael Hanselmann | parser.add_option("--no-backup", dest="backup", default=True, |
50 | d5fe5fa9 | Michael Hanselmann | action="store_false",
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51 | d5fe5fa9 | Michael Hanselmann | help="Whether to create backup copies of deleted files")
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52 | d5fe5fa9 | Michael Hanselmann | |
53 | d5fe5fa9 | Michael Hanselmann | (opts, args) = parser.parse_args() |
54 | d5fe5fa9 | Michael Hanselmann | |
55 | d5fe5fa9 | Michael Hanselmann | return VerifyOptions(parser, opts, args)
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56 | d5fe5fa9 | Michael Hanselmann | |
57 | d5fe5fa9 | Michael Hanselmann | |
58 | d5fe5fa9 | Michael Hanselmann | def VerifyOptions(parser, opts, args): |
59 | d5fe5fa9 | Michael Hanselmann | """Verifies options and arguments for correctness.
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60 | d5fe5fa9 | Michael Hanselmann |
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61 | d5fe5fa9 | Michael Hanselmann | """
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62 | d5fe5fa9 | Michael Hanselmann | if args:
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63 | d5fe5fa9 | Michael Hanselmann | parser.error("No arguments are expected")
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64 | d5fe5fa9 | Michael Hanselmann | |
65 | d5fe5fa9 | Michael Hanselmann | return opts
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66 | d5fe5fa9 | Michael Hanselmann | |
67 | d5fe5fa9 | Michael Hanselmann | |
68 | d5fe5fa9 | Michael Hanselmann | def Main(): |
69 | d5fe5fa9 | Michael Hanselmann | """Main routine.
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70 | d5fe5fa9 | Michael Hanselmann |
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71 | d5fe5fa9 | Michael Hanselmann | """
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72 | d5fe5fa9 | Michael Hanselmann | opts = ParseOptions() |
73 | d5fe5fa9 | Michael Hanselmann | |
74 | d5fe5fa9 | Michael Hanselmann | utils.SetupToolLogging(opts.debug, opts.verbose) |
75 | d5fe5fa9 | Michael Hanselmann | |
76 | d5fe5fa9 | Michael Hanselmann | try:
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77 | d5fe5fa9 | Michael Hanselmann | # List of files to delete. Contains tuples consisting of the absolute path
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78 | d5fe5fa9 | Michael Hanselmann | # and a boolean denoting whether a backup copy should be created before
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79 | d5fe5fa9 | Michael Hanselmann | # deleting.
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80 | d5fe5fa9 | Michael Hanselmann | clean_files = [ |
81 | d5fe5fa9 | Michael Hanselmann | (pathutils.CONFD_HMAC_KEY, True),
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82 | d5fe5fa9 | Michael Hanselmann | (pathutils.CLUSTER_CONF_FILE, True),
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83 | d5fe5fa9 | Michael Hanselmann | (pathutils.CLUSTER_DOMAIN_SECRET_FILE, True),
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84 | d5fe5fa9 | Michael Hanselmann | ] |
85 | d5fe5fa9 | Michael Hanselmann | clean_files.extend(map(lambda s: (s, True), pathutils.ALL_CERT_FILES)) |
86 | d5fe5fa9 | Michael Hanselmann | clean_files.extend(map(lambda s: (s, False), |
87 | d5fe5fa9 | Michael Hanselmann | ssconf.SimpleStore().GetFileList())) |
88 | d5fe5fa9 | Michael Hanselmann | |
89 | d5fe5fa9 | Michael Hanselmann | if not opts.yes_do_it: |
90 | d5fe5fa9 | Michael Hanselmann | cli.ToStderr("Cleaning a node is irreversible. If you really want to"
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91 | d5fe5fa9 | Michael Hanselmann | " clean this node, supply the --yes-do-it option.")
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92 | d5fe5fa9 | Michael Hanselmann | return constants.EXIT_FAILURE
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93 | d5fe5fa9 | Michael Hanselmann | |
94 | d5fe5fa9 | Michael Hanselmann | logging.info("Stopping daemons")
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95 | d5fe5fa9 | Michael Hanselmann | result = utils.RunCmd([pathutils.DAEMON_UTIL, "stop-all"],
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96 | d5fe5fa9 | Michael Hanselmann | interactive=True)
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97 | d5fe5fa9 | Michael Hanselmann | if result.failed:
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98 | d5fe5fa9 | Michael Hanselmann | raise Exception("Could not stop daemons, command '%s' failed: %s" % |
99 | d5fe5fa9 | Michael Hanselmann | (result.cmd, result.fail_reason)) |
100 | d5fe5fa9 | Michael Hanselmann | |
101 | d5fe5fa9 | Michael Hanselmann | for (filename, backup) in clean_files: |
102 | d5fe5fa9 | Michael Hanselmann | if os.path.exists(filename):
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103 | d5fe5fa9 | Michael Hanselmann | if opts.backup and backup: |
104 | d5fe5fa9 | Michael Hanselmann | logging.info("Backing up %s", filename)
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105 | d5fe5fa9 | Michael Hanselmann | utils.CreateBackup(filename) |
106 | d5fe5fa9 | Michael Hanselmann | |
107 | d5fe5fa9 | Michael Hanselmann | logging.info("Removing %s", filename)
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108 | d5fe5fa9 | Michael Hanselmann | utils.RemoveFile(filename) |
109 | d5fe5fa9 | Michael Hanselmann | |
110 | d5fe5fa9 | Michael Hanselmann | logging.info("Node successfully cleaned")
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111 | d5fe5fa9 | Michael Hanselmann | except Exception, err: # pylint: disable=W0703 |
112 | d5fe5fa9 | Michael Hanselmann | logging.debug("Caught unhandled exception", exc_info=True) |
113 | d5fe5fa9 | Michael Hanselmann | |
114 | d5fe5fa9 | Michael Hanselmann | (retcode, message) = cli.FormatError(err) |
115 | d5fe5fa9 | Michael Hanselmann | logging.error(message) |
116 | d5fe5fa9 | Michael Hanselmann | |
117 | d5fe5fa9 | Michael Hanselmann | return retcode
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118 | d5fe5fa9 | Michael Hanselmann | else:
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119 | d5fe5fa9 | Michael Hanselmann | return constants.EXIT_SUCCESS |