/usr/lib/python2.7/dist-packages/crmsh/ui_cib.py is in crmsh 2.3.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 | # Copyright (C) 2008-2011 Dejan Muhamedagic <dmuhamedagic@suse.de>
# Copyright (C) 2013 Kristoffer Gronlund <kgronlund@suse.com>
# See COPYING for license information.
import os
import glob
from . import command
from . import xmlutil
from . import utils
from . import ui_cibstatus
from . import constants
from . import config
from . import options
from .msg import no_prog_err
from .cibstatus import cib_status
from .cibconfig import cib_factory
from . import tmpfiles
from . import completers as compl
_NEWARGS = ('force', '--force', 'withstatus', 'empty')
class CibShadow(command.UI):
'''
CIB shadow management class
'''
name = "cib"
extcmd = ">/dev/null </dev/null crm_shadow -b"
extcmd_stdout = "</dev/null crm_shadow -b"
def requires(self):
if not utils.is_program('crm_shadow'):
no_prog_err('crm_shadow')
return False
return True
@command.level(ui_cibstatus.CibStatusUI)
def do_cibstatus(self):
pass
@command.skill_level('administrator')
@command.completers_repeating(compl.null, compl.choice(_NEWARGS))
def do_new(self, context, *args):
"usage: new [<shadow_cib>] [withstatus] [force] [empty]"
argl = list(args)
opt_l = utils.fetch_opts(argl, ["force", "--force", "withstatus", "empty"])
if len(argl) > 1:
context.fatal_error("Unexpected argument(s): " + ' '.join(argl))
name = None
if argl:
name = argl[0]
if not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
if name in (constants.tmp_cib_prompt, constants.live_cib_prompt):
context.fatal_error("Shadow name '%s' is not allowed" % (name))
del argl[0]
constants.tmp_cib = False
else:
fd, fname = tmpfiles.create(directory=xmlutil.cib_shadow_dir(), prefix="shadow.crmsh_")
name = os.path.basename(fname).replace("shadow.", "")
constants.tmp_cib = True
if "empty" in opt_l:
new_cmd = "%s -e '%s'" % (self.extcmd, name)
else:
new_cmd = "%s -c '%s'" % (self.extcmd, name)
if constants.tmp_cib or config.core.force or "force" in opt_l or "--force" in opt_l:
new_cmd = "%s --force" % new_cmd
if utils.ext_cmd(new_cmd) == 0:
context.info("%s shadow CIB created" % name)
self.do_use(context, name)
if "withstatus" in opt_l:
cib_status.load("shadow:%s" % name)
def _find_pe(self, context, infile):
'Find a pe input'
for p in ("%s/%s", "%s/%s.bz2", "%s/pe-*-%s.bz2"):
fl = glob.glob(p % (config.path.pe_state_dir, infile))
if fl:
break
if not fl:
context.fatal_error("no %s pe input file" % infile)
if len(fl) > 1:
context.fatal_error("more than one %s pe input file: %s" %
(infile, ' '.join(fl)))
if not fl[0]:
context.fatal_error("bad %s pe input file" % infile)
return fl[0]
@command.skill_level('administrator')
@command.completers(compl.null, compl.shadows)
def do_import(self, context, infile, name=None):
"usage: import {<file>|<number>} [<shadow>]"
if name and not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
# where's the input?
if not os.access(infile, os.F_OK):
if "/" in infile:
context.fatal_error(str(infile) + ": no such file")
infile = self._find_pe(context, infile)
if not name:
name = os.path.basename(infile).replace(".bz2", "")
if not xmlutil.pe2shadow(infile, name):
context.fatal_error("Error copying PE file to shadow: %s -> %s" % (infile, name))
# use the shadow and load the status from there
return self.do_use(context, name, "withstatus")
@command.skill_level('administrator')
@command.completers(compl.shadows)
def do_delete(self, context, name):
"usage: delete <shadow_cib>"
if not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
if utils.get_cib_in_use() == name:
context.fatal_error("%s shadow CIB is in use" % name)
if utils.ext_cmd("%s -D '%s' --force" % (self.extcmd, name)) == 0:
context.info("%s shadow CIB deleted" % name)
else:
context.fatal_error("failed to delete %s shadow CIB" % name)
@command.skill_level('administrator')
@command.completers(compl.shadows)
def do_reset(self, context, name):
"usage: reset <shadow_cib>"
if not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
if utils.ext_cmd("%s -r '%s'" % (self.extcmd, name)) == 0:
context.info("copied live CIB to %s" % name)
else:
context.fatal_error("failed to copy live CIB to %s" % name)
@command.skill_level('administrator')
@command.wait
@command.completers(compl.shadows)
def do_commit(self, context, name=None):
"usage: commit [<shadow_cib>]"
if name and not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
if not name:
name = utils.get_cib_in_use()
if not name:
context.fatal_error("There is nothing to commit")
if utils.ext_cmd("%s -C '%s' --force" % (self.extcmd, name)) == 0:
context.info("committed '%s' shadow CIB to the cluster" % name)
else:
context.fatal_error("failed to commit the %s shadow CIB" % name)
if constants.tmp_cib:
self._use('', '')
@command.skill_level('administrator')
def do_diff(self, context):
"usage: diff"
rc, s = utils.get_stdout(utils.add_sudo("%s -d" % self.extcmd_stdout))
utils.page_string(s)
@command.skill_level('administrator')
def do_list(self, context):
"usage: list"
if options.regression_tests:
for t in xmlutil.listshadows():
print t
else:
utils.multicolumn(xmlutil.listshadows())
def _use(self, name, withstatus):
# Choose a shadow cib for further changes. If the name
# provided is empty, then choose the live (cluster) cib.
# Don't allow ' in shadow names
if not name or name == "live":
if withstatus:
cib_status.load("live")
if constants.tmp_cib:
utils.ext_cmd("%s -D '%s' --force" % (self.extcmd, utils.get_cib_in_use()))
constants.tmp_cib = False
utils.clear_cib_in_use()
else:
utils.set_cib_in_use(name)
if withstatus:
cib_status.load("shadow:%s" % name)
return True
@command.skill_level('administrator')
@command.completers(compl.join(compl.shadows, compl.choice(['live'])),
compl.choice(['withstatus']))
def do_use(self, context, name='', withstatus=''):
"usage: use [<shadow_cib>] [withstatus]"
# check the name argument
if name and not utils.is_filename_sane(name):
context.fatal_error("Bad filename: " + name)
if name and name != "live":
if not os.access(xmlutil.shadowfile(name), os.F_OK):
context.fatal_error("%s: no such shadow CIB" % name)
if withstatus and withstatus != "withstatus":
context.fatal_error("Expected 'withstatus', got '%s'" % (withstatus))
# If invoked from configure
# take special precautions
if not context.previous_level_is("cibconfig"):
return self._use(name, withstatus)
if not cib_factory.has_cib_changed():
ret = self._use(name, withstatus)
# new CIB: refresh the CIB factory
cib_factory.refresh()
return ret
saved_cib = utils.get_cib_in_use()
self._use(name, '') # don't load the status yet
if not cib_factory.is_current_cib_equal(silent=True):
# user made changes and now wants to switch to a
# different and unequal CIB; we refuse to cooperate
context.error_message("the requested CIB is different from the current one")
if config.core.force:
context.info("CIB overwrite forced")
elif not utils.ask("All changes will be dropped. Do you want to proceed?"):
self._use(saved_cib, '') # revert to the previous CIB
return False
return self._use(name, withstatus) # now load the status too
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