def _find_cmd(self, action, arguments=[], future_pkns=[], dry_run=False):
'''
Perform the action on the system, importing modules from the package
and running the appropriate method on the class within.
action -- INSTALL, UNINSTALL, CONFIGURE, VERIFY
future_pkns -- future package names. Some packages want to know
about the packages that will come after them
dry_run -- boolean flag to see if we're really going to do this
'''
ret_val = None
if type(action) == type(1):
action = ACTION_REVERSE_LOOKUP[action]
cwd = get_slash_cwd()
obj, rand_string = self._get_object(future_pkns)
try:
if not hasattr(obj, action):
msg = "Class %s does not have a %s method."
raise BadPackage(self.name, msg % (self.class_name, action))
if not dry_run:
if arguments:
if ACTION_LOOKUP.get(action) == RESTORE:
if len(arguments) != 1:
Logger.error("Incorrect number of arguments passed to restore")
return FAIL
restore_path = make_path(get_spkg_path(), "archive",
self.name, str(arguments[0]))
if not os.path.isdir(restore_path):
msg = "Cannot execute restore: archive data does not "\
"exist in %s" % (restore_path)
Logger.error(msg)
return FAIL
self._prepare_restore(obj, restore_path)
exec("ret_val = obj.%s('%s')" % (action, restore_path))
else:
exec("ret_val = obj.%s()" % (action))
else:
ret_val = OK
self._cleanup(obj)
del rand_string
except SystemExit, err:
if err.code:
ret_val = err.code
else:
ret_val = OK
del rand_string
def __init__(self, action_string, package_name, script_name, arguments):
'''
action_string -- one of the following: uninstall, configure, install,
verify, reconcile, check_status, execute, fix, purge,
dry_run, or init
package_name -- the name of a package to act upon
script_name -- the name of a script to act upon
arguments -- currently only used for restore
'''
action_const = ACTION_LOOKUP.get(action_string.lower().strip())
if action_const == None:
raise InvalidAction(package_name, action_string)
name = "Bombardier-%s-%s" % (action_string, package_name)
AbstractCommand.__init__(self, name)
self.action = action_const
self.package_name = package_name
self.script_name = script_name
if type(arguments) != type([]):
msg = "Invalid arguments passed. Expected list, got: (%s)" % arguments
raise InvalidBombardierCommand(msg)
self.arguments = arguments
self.debug = False
del rand_string
except KeyboardInterrupt:
Logger.error("Keyboard interrupt detected. Exiting...")
ret_val = FAIL
sys.exit(10) # FIXME: Literal
except SyntaxError, err:
self._dump_error(err, self.class_name)
ret_val = FAIL
del rand_string
except StandardError, err:
self._dump_error(err, self.class_name)
ret_val = FAIL
del rand_string
os.chdir(cwd)
if ACTION_LOOKUP.get(action) == BACKUP:
if type(ret_val) != type({}):
erstr = "%s: backup method did not return a "\
"properly formatted dictionary" % self.full_name
Logger.error(erstr)
return FAIL
return self._backup(obj, ret_val, future_pkns, dry_run)
if ret_val == None:
ret_val = OK
if ret_val == REBOOT:
raise RebootRequiredException(self.name)
if ret_val != OK:
erstr = "%s: failed with status %s" % (self.full_name, ret_val)
Logger.error(erstr)
return FAIL
return OK
