community.general/lib/ansible/cli/arguments/optparse_helpers.py

379 lines
18 KiB
Python

# Copyright: (c) 2018, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import operator
import optparse
import os
import os.path
import sys
import time
import yaml
import ansible
from ansible import constants as C
from ansible.module_utils.six import string_types
from ansible.module_utils._text import to_native
from ansible.release import __version__
from ansible.utils.path import unfrackpath
#
# Special purpose OptionParsers
#
class SortedOptParser(optparse.OptionParser):
"""Optparser which sorts the options by opt before outputting --help"""
def format_help(self, formatter=None, epilog=None):
self.option_list.sort(key=operator.methodcaller('get_opt_string'))
return optparse.OptionParser.format_help(self, formatter=None)
# Note: Inherit from SortedOptParser so that we get our format_help method
class InvalidOptsParser(SortedOptParser):
"""Ignore invalid options.
Meant for the special case where we need to take care of help and version but may not know the
full range of options yet.
.. seealso::
See it in use in ansible.cli.CLI.set_action
"""
def __init__(self, parser):
# Since this is special purposed to just handle help and version, we
# take a pre-existing option parser here and set our options from
# that. This allows us to give accurate help based on the given
# option parser.
SortedOptParser.__init__(self, usage=parser.usage,
option_list=parser.option_list,
option_class=parser.option_class,
conflict_handler=parser.conflict_handler,
description=parser.description,
formatter=parser.formatter,
add_help_option=False,
prog=parser.prog,
epilog=parser.epilog)
self.version = parser.version
def _process_long_opt(self, rargs, values):
try:
optparse.OptionParser._process_long_opt(self, rargs, values)
except optparse.BadOptionError:
pass
def _process_short_opts(self, rargs, values):
try:
optparse.OptionParser._process_short_opts(self, rargs, values)
except optparse.BadOptionError:
pass
#
# Callbacks to validate and normalize Options
#
def unfrack_paths(option, opt, value, parser):
"""Turn an Option's value into a list of paths in Ansible locations"""
paths = getattr(parser.values, option.dest)
if paths is None:
paths = []
if isinstance(value, string_types):
paths[:0] = [unfrackpath(x) for x in value.split(os.pathsep) if x]
elif isinstance(value, list):
paths[:0] = [unfrackpath(x) for x in value if x]
else:
pass # FIXME: should we raise options error?
setattr(parser.values, option.dest, paths)
def unfrack_path(option, opt, value, parser):
"""Turn an Option's data into a single path in Ansible locations"""
if value != '-':
setattr(parser.values, option.dest, unfrackpath(value))
else:
setattr(parser.values, option.dest, value)
def _git_repo_info(repo_path):
""" returns a string containing git branch, commit id and commit date """
result = None
if os.path.exists(repo_path):
# Check if the .git is a file. If it is a file, it means that we are in a submodule structure.
if os.path.isfile(repo_path):
try:
gitdir = yaml.safe_load(open(repo_path)).get('gitdir')
# There is a possibility the .git file to have an absolute path.
if os.path.isabs(gitdir):
repo_path = gitdir
else:
repo_path = os.path.join(repo_path[:-4], gitdir)
except (IOError, AttributeError):
return ''
with open(os.path.join(repo_path, "HEAD")) as f:
line = f.readline().rstrip("\n")
if line.startswith("ref:"):
branch_path = os.path.join(repo_path, line[5:])
else:
branch_path = None
if branch_path and os.path.exists(branch_path):
branch = '/'.join(line.split('/')[2:])
with open(branch_path) as f:
commit = f.readline()[:10]
else:
# detached HEAD
commit = line[:10]
branch = 'detached HEAD'
branch_path = os.path.join(repo_path, "HEAD")
date = time.localtime(os.stat(branch_path).st_mtime)
if time.daylight == 0:
offset = time.timezone
else:
offset = time.altzone
result = "({0} {1}) last updated {2} (GMT {3:+04d})".format(branch, commit, time.strftime("%Y/%m/%d %H:%M:%S", date), int(offset / -36))
else:
result = ''
return result
def _gitinfo():
basedir = os.path.join(os.path.dirname(__file__), '..', '..', '..')
repo_path = os.path.join(basedir, '.git')
result = _git_repo_info(repo_path)
submodules = os.path.join(basedir, '.gitmodules')
if not os.path.exists(submodules):
return result
with open(submodules) as f:
for line in f:
tokens = line.strip().split(' ')
if tokens[0] == 'path':
submodule_path = tokens[2]
submodule_info = _git_repo_info(os.path.join(basedir, submodule_path, '.git'))
if not submodule_info:
submodule_info = ' not found - use git submodule update --init ' + submodule_path
result += "\n {0}: {1}".format(submodule_path, submodule_info)
return result
def version(prog=None):
""" return ansible version """
if prog:
result = " ".join((prog, __version__))
else:
result = __version__
gitinfo = _gitinfo()
if gitinfo:
result = result + " {0}".format(gitinfo)
result += "\n config file = %s" % C.CONFIG_FILE
if C.DEFAULT_MODULE_PATH is None:
cpath = "Default w/o overrides"
else:
cpath = C.DEFAULT_MODULE_PATH
result = result + "\n configured module search path = %s" % cpath
result = result + "\n ansible python module location = %s" % ':'.join(ansible.__path__)
result = result + "\n executable location = %s" % sys.argv[0]
result = result + "\n python version = %s" % ''.join(sys.version.splitlines())
return result
#
# Functions to add pre-canned options to an OptionParser
#
def create_base_parser(usage="", desc=None, epilog=None):
"""
Create an options parser for all ansible scripts
"""
# base opts
parser = SortedOptParser(usage, version=to_native(version("%prog")), description=desc, epilog=epilog)
parser.remove_option('--version')
version_help = "show program's version number, config file location, configured module search path," \
" module location, executable location and exit"
parser.add_option('--version', action="version", help=version_help)
parser.add_option('-v', '--verbose', dest='verbosity', default=C.DEFAULT_VERBOSITY, action="count",
help="verbose mode (-vvv for more, -vvvv to enable connection debugging)")
return parser
def add_async_options(parser):
"""Add options for commands which can launch async tasks"""
parser.add_option('-P', '--poll', default=C.DEFAULT_POLL_INTERVAL, type='int', dest='poll_interval',
help="set the poll interval if using -B (default=%s)" % C.DEFAULT_POLL_INTERVAL)
parser.add_option('-B', '--background', dest='seconds', type='int', default=0,
help='run asynchronously, failing after X seconds (default=N/A)')
def add_basedir_options(parser):
"""Add options for commands which can set a playbook basedir"""
parser.add_option('--playbook-dir', default=None, dest='basedir', action='store',
help="Since this tool does not use playbooks, use this as a subsitute playbook directory."
"This sets the relative path for many features including roles/ group_vars/ etc.")
def add_check_options(parser):
"""Add options for commands which can run with diagnostic information of tasks"""
parser.add_option("-C", "--check", default=False, dest='check', action='store_true',
help="don't make any changes; instead, try to predict some of the changes that may occur")
parser.add_option('--syntax-check', dest='syntax', action='store_true',
help="perform a syntax check on the playbook, but do not execute it")
parser.add_option("-D", "--diff", default=C.DIFF_ALWAYS, dest='diff', action='store_true',
help="when changing (small) files and templates, show the differences in those"
" files; works great with --check")
def add_connect_options(parser):
"""Add options for commands which need to connection to other hosts"""
connect_group = optparse.OptionGroup(parser, "Connection Options", "control as whom and how to connect to hosts")
connect_group.add_option('-k', '--ask-pass', default=C.DEFAULT_ASK_PASS, dest='ask_pass', action='store_true',
help='ask for connection password')
connect_group.add_option('--private-key', '--key-file', default=C.DEFAULT_PRIVATE_KEY_FILE, dest='private_key_file',
help='use this file to authenticate the connection', action="callback", callback=unfrack_path, type='string')
connect_group.add_option('-u', '--user', default=C.DEFAULT_REMOTE_USER, dest='remote_user',
help='connect as this user (default=%s)' % C.DEFAULT_REMOTE_USER)
connect_group.add_option('-c', '--connection', dest='connection', default=C.DEFAULT_TRANSPORT,
help="connection type to use (default=%s)" % C.DEFAULT_TRANSPORT)
connect_group.add_option('-T', '--timeout', default=C.DEFAULT_TIMEOUT, type='int', dest='timeout',
help="override the connection timeout in seconds (default=%s)" % C.DEFAULT_TIMEOUT)
connect_group.add_option('--ssh-common-args', default='', dest='ssh_common_args',
help="specify common arguments to pass to sftp/scp/ssh (e.g. ProxyCommand)")
connect_group.add_option('--sftp-extra-args', default='', dest='sftp_extra_args',
help="specify extra arguments to pass to sftp only (e.g. -f, -l)")
connect_group.add_option('--scp-extra-args', default='', dest='scp_extra_args',
help="specify extra arguments to pass to scp only (e.g. -l)")
connect_group.add_option('--ssh-extra-args', default='', dest='ssh_extra_args',
help="specify extra arguments to pass to ssh only (e.g. -R)")
parser.add_option_group(connect_group)
def add_fork_options(parser):
"""Add options for commands that can fork worker processes"""
parser.add_option('-f', '--forks', dest='forks', default=C.DEFAULT_FORKS, type='int',
help="specify number of parallel processes to use (default=%s)" % C.DEFAULT_FORKS)
def add_inventory_options(parser):
"""Add options for commands that utilize inventory"""
parser.add_option('-i', '--inventory', '--inventory-file', dest='inventory', action="append",
help="specify inventory host path or comma separated host list. --inventory-file is deprecated")
parser.add_option('--list-hosts', dest='listhosts', action='store_true',
help='outputs a list of matching hosts; does not execute anything else')
parser.add_option('-l', '--limit', default=C.DEFAULT_SUBSET, dest='subset',
help='further limit selected hosts to an additional pattern')
def add_meta_options(parser):
"""Add options for commands which can launch meta tasks from the command line"""
parser.add_option('--force-handlers', default=C.DEFAULT_FORCE_HANDLERS, dest='force_handlers', action='store_true',
help="run handlers even if a task fails")
parser.add_option('--flush-cache', dest='flush_cache', action='store_true',
help="clear the fact cache for every host in inventory")
def add_module_options(parser):
"""Add options for commands that load modules"""
parser.add_option('-M', '--module-path', dest='module_path', default=None,
help="prepend colon-separated path(s) to module library (default=%s)" % C.DEFAULT_MODULE_PATH,
action="callback", callback=unfrack_paths, type='str')
def add_output_options(parser):
"""Add options for commands which can change their output"""
parser.add_option('-o', '--one-line', dest='one_line', action='store_true',
help='condense output')
parser.add_option('-t', '--tree', dest='tree', default=None,
help='log output to this directory')
def add_runas_options(parser):
"""
Add options for commands which can run tasks as another user
Note that this includes the options from add_runas_prompt_options(). Only one of these
functions should be used.
"""
runas_group = optparse.OptionGroup(parser, "Privilege Escalation Options", "control how and which user you become as on target hosts")
# priv user defaults to root later on to enable detecting when this option was given here
runas_group.add_option("-s", "--sudo", default=C.DEFAULT_SUDO, action="store_true", dest='sudo',
help="run operations with sudo (nopasswd) (deprecated, use become)")
runas_group.add_option('-U', '--sudo-user', dest='sudo_user', default=None,
help='desired sudo user (default=root) (deprecated, use become)')
runas_group.add_option('-S', '--su', default=C.DEFAULT_SU, action='store_true',
help='run operations with su (deprecated, use become)')
runas_group.add_option('-R', '--su-user', default=None,
help='run operations with su as this user (default=%s) (deprecated, use become)' % C.DEFAULT_SU_USER)
# consolidated privilege escalation (become)
runas_group.add_option("-b", "--become", default=C.DEFAULT_BECOME, action="store_true", dest='become',
help="run operations with become (does not imply password prompting)")
runas_group.add_option('--become-method', dest='become_method', default=C.DEFAULT_BECOME_METHOD, type='choice', choices=C.BECOME_METHODS,
help="privilege escalation method to use (default=%s), valid choices: [ %s ]" %
(C.DEFAULT_BECOME_METHOD, ' | '.join(C.BECOME_METHODS)))
runas_group.add_option('--become-user', default=None, dest='become_user', type='string',
help='run operations as this user (default=%s)' % C.DEFAULT_BECOME_USER)
add_runas_prompt_options(parser, runas_group=runas_group)
def add_runas_prompt_options(parser, runas_group=None):
"""
Add options for commands which need to prompt for privilege escalation credentials
Note that add_runas_options() includes these options already. Only one of the two functions
should be used.
"""
if runas_group is None:
runas_group = optparse.OptionGroup(parser, "Privilege Escalation Options",
"control how and which user you become as on target hosts")
runas_group.add_option('--ask-sudo-pass', default=C.DEFAULT_ASK_SUDO_PASS, dest='ask_sudo_pass', action='store_true',
help='ask for sudo password (deprecated, use become)')
runas_group.add_option('--ask-su-pass', default=C.DEFAULT_ASK_SU_PASS, dest='ask_su_pass', action='store_true',
help='ask for su password (deprecated, use become)')
runas_group.add_option('-K', '--ask-become-pass', default=False, dest='become_ask_pass', action='store_true',
help='ask for privilege escalation password')
parser.add_option_group(runas_group)
def add_runtask_options(parser):
"""Add options for commands that run a task"""
parser.add_option('-e', '--extra-vars', dest="extra_vars", action="append",
help="set additional variables as key=value or YAML/JSON, if filename prepend with @", default=[])
def add_subset_options(parser):
"""Add options for commands which can run a subset of tasks"""
parser.add_option('-t', '--tags', dest='tags', default=C.TAGS_RUN, action='append',
help="only run plays and tasks tagged with these values")
parser.add_option('--skip-tags', dest='skip_tags', default=C.TAGS_SKIP, action='append',
help="only run plays and tasks whose tags do not match these values")
def add_vault_options(parser):
"""Add options for loading vault files"""
parser.add_option('--ask-vault-pass', default=C.DEFAULT_ASK_VAULT_PASS, dest='ask_vault_pass', action='store_true',
help='ask for vault password')
parser.add_option('--vault-password-file', default=[], dest='vault_password_files',
help="vault password file", action="callback", callback=unfrack_paths, type='string')
parser.add_option('--vault-id', default=[], dest='vault_ids', action='append', type='string',
help='the vault identity to use')
def add_vault_rekey_options(parser):
"""Add options for commands which can edit/rekey a vault file"""
parser.add_option('--new-vault-password-file', default=None, dest='new_vault_password_file',
help="new vault password file for rekey", action="callback", callback=unfrack_path, type='string')
parser.add_option('--new-vault-id', default=None, dest='new_vault_id', type='string',
help='the new vault identity to use for rekey')