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#!/usr/bin/python
'''
Starts the targetcli CLI shell.
This file is part of targetcli.
Copyright (c) 2011-2013 by Datera, Inc
Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
'''
from __future__ import print_function
from os import getuid
from targetcli import UIRoot
from rtslib_fb import RTSLibError
from configshell_fb import ConfigShell, ExecutionError
import sys
from targetcli import __version__ as targetcli_version
err = sys.stderr
class TargetCLI(ConfigShell):
default_prefs = {'color_path': 'magenta',
'color_command': 'cyan',
'color_parameter': 'magenta',
'color_keyword': 'cyan',
'completions_in_columns': True,
'logfile': None,
'loglevel_console': 'info',
'loglevel_file': 'debug9',
'color_mode': True,
'prompt_length': 30,
'tree_max_depth': 0,
'tree_status_mode': True,
'tree_round_nodes': True,
'tree_show_root': True,
'export_backstore_name_as_model': True,
'auto_enable_tpgt': True,
'auto_add_mapped_luns': True,
'auto_cd_after_create': False,
'auto_save_on_exit': True,
'auto_add_default_portal': True,
}
def usage():
print("Usage: %s [--version|--help|CMD]" % sys.argv[0], file=err)
print(" --version\t\tPrint version", file=err)
print(" --help\t\tPrint this information", file=err)
print(" CMD\t\t\tRun targetcli shell command and exit", file=err)
print(" <nothing>\t\tEnter configuration shell", file=err)
print("See man page for more information.", file=err)
sys.exit(-1)
def version():
print("%s version %s" % (sys.argv[0], targetcli_version), file=err)
sys.exit(-1)
def main():
'''
Start the targetcli shell.
'''
if getuid() == 0:
is_root = True
else:
is_root = False
shell = TargetCLI('~/.targetcli')
try:
root_node = UIRoot(shell, as_root=is_root)
root_node.refresh()
except Exception as error:
shell.con.display(shell.con.render_text(str(error), 'red'))
if not is_root:
shell.con.display(shell.con.render_text("Retry as root.", 'red'))
sys.exit(-1)
if len(sys.argv) > 1:
if sys.argv[1] in ("--help", "-h"):
usage()
if sys.argv[1] in ("--version", "-v"):
version()
try:
shell.run_cmdline(" ".join(sys.argv[1:]))
except Exception as e:
print(str(e), file=sys.stderr)
sys.exit(1)
sys.exit(0)
shell.con.display("targetcli shell version %s\n"
"Copyright 2011-2013 by Datera, Inc and others.\n"
"For help on commands, type 'help'.\n"
% targetcli_version)
if not is_root:
shell.con.display("You are not root, disabling privileged commands.\n")
while not shell._exit:
try:
shell.run_interactive()
except (RTSLibError, ExecutionError) as msg:
shell.log.error(str(msg))
if shell.prefs['auto_save_on_exit'] and is_root:
shell.log.info("Global pref auto_save_on_exit=true")
root_node.ui_command_saveconfig()
if __name__ == "__main__":
main()
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