mirror of
https://github.com/ansible-collections/community.general.git
synced 2025-04-25 11:51:26 -07:00
f73329401b
better error reporting on fetching errors use scm if it exists over src unified functions in requirements simplified logic added verbose to tests cleanup code refs, unused options and dead code moved get_opt to base class fixes #11920 fixes #12612 fixes #10454
527 lines
23 KiB
Python
527 lines
23 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import operator
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import optparse
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import os
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import sys
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import time
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import yaml
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import re
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import getpass
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import subprocess
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from ansible import __version__
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from ansible import constants as C
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from ansible.errors import AnsibleError, AnsibleOptionsError
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from ansible.utils.unicode import to_bytes
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from ansible.utils.display import Display
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class SortedOptParser(optparse.OptionParser):
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'''Optparser which sorts the options by opt before outputting --help'''
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#FIXME: epilog parsing: OptionParser.format_epilog = lambda self, formatter: self.epilog
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def format_help(self, formatter=None, epilog=None):
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self.option_list.sort(key=operator.methodcaller('get_opt_string'))
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return optparse.OptionParser.format_help(self, formatter=None)
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class CLI(object):
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''' code behind bin/ansible* programs '''
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VALID_ACTIONS = ['No Actions']
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_ITALIC = re.compile(r"I\(([^)]+)\)")
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_BOLD = re.compile(r"B\(([^)]+)\)")
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_MODULE = re.compile(r"M\(([^)]+)\)")
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_URL = re.compile(r"U\(([^)]+)\)")
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_CONST = re.compile(r"C\(([^)]+)\)")
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PAGER = 'less'
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LESS_OPTS = 'FRSX' # -F (quit-if-one-screen) -R (allow raw ansi control chars)
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# -S (chop long lines) -X (disable termcap init and de-init)
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def __init__(self, args, display=None):
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"""
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Base init method for all command line programs
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"""
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self.args = args
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self.options = None
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self.parser = None
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self.action = None
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if display is None:
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self.display = Display()
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else:
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self.display = display
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def set_action(self):
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"""
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Get the action the user wants to execute from the sys argv list.
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"""
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for i in range(0,len(self.args)):
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arg = self.args[i]
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if arg in self.VALID_ACTIONS:
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self.action = arg
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del self.args[i]
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break
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if not self.action:
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raise AnsibleOptionsError("Missing required action")
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def execute(self):
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"""
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Actually runs a child defined method using the execute_<action> pattern
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"""
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fn = getattr(self, "execute_%s" % self.action)
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fn()
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def parse(self):
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raise Exception("Need to implement!")
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def run(self):
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if self.options.verbosity > 0:
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if C.CONFIG_FILE:
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self.display.display("Using %s as config file" % C.CONFIG_FILE)
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else:
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self.display.display("No config file found; using defaults")
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@staticmethod
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def ask_vault_passwords(ask_vault_pass=False, ask_new_vault_pass=False, confirm_vault=False, confirm_new=False):
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''' prompt for vault password and/or password change '''
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vault_pass = None
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new_vault_pass = None
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try:
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if ask_vault_pass:
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vault_pass = getpass.getpass(prompt="Vault password: ")
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if ask_vault_pass and confirm_vault:
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vault_pass2 = getpass.getpass(prompt="Confirm Vault password: ")
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if vault_pass != vault_pass2:
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raise AnsibleError("Passwords do not match")
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if ask_new_vault_pass:
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new_vault_pass = getpass.getpass(prompt="New Vault password: ")
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if ask_new_vault_pass and confirm_new:
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new_vault_pass2 = getpass.getpass(prompt="Confirm New Vault password: ")
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if new_vault_pass != new_vault_pass2:
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raise AnsibleError("Passwords do not match")
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except EOFError:
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pass
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# enforce no newline chars at the end of passwords
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if vault_pass:
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vault_pass = to_bytes(vault_pass, errors='strict', nonstring='simplerepr').strip()
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if new_vault_pass:
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new_vault_pass = to_bytes(new_vault_pass, errors='strict', nonstring='simplerepr').strip()
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return vault_pass, new_vault_pass
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def ask_passwords(self):
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''' prompt for connection and become passwords if needed '''
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op = self.options
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sshpass = None
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becomepass = None
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become_prompt = ''
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try:
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if op.ask_pass:
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sshpass = getpass.getpass(prompt="SSH password: ")
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become_prompt = "%s password[defaults to SSH password]: " % op.become_method.upper()
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if sshpass:
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sshpass = to_bytes(sshpass, errors='strict', nonstring='simplerepr')
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else:
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become_prompt = "%s password: " % op.become_method.upper()
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if op.become_ask_pass:
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becomepass = getpass.getpass(prompt=become_prompt)
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if op.ask_pass and becomepass == '':
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becomepass = sshpass
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if becomepass:
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becomepass = to_bytes(becomepass)
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except EOFError:
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pass
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return (sshpass, becomepass)
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def normalize_become_options(self):
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''' this keeps backwards compatibility with sudo/su self.options '''
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self.options.become_ask_pass = self.options.become_ask_pass or self.options.ask_sudo_pass or self.options.ask_su_pass or C.DEFAULT_BECOME_ASK_PASS
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self.options.become_user = self.options.become_user or self.options.sudo_user or self.options.su_user or C.DEFAULT_BECOME_USER
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if self.options.become:
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pass
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elif self.options.sudo:
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self.options.become = True
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self.options.become_method = 'sudo'
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elif self.options.su:
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self.options.become = True
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self.options.become_method = 'su'
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def validate_conflicts(self, vault_opts=False, runas_opts=False, fork_opts=False):
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''' check for conflicting options '''
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op = self.options
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if vault_opts:
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# Check for vault related conflicts
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if (op.ask_vault_pass and op.vault_password_file):
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self.parser.error("--ask-vault-pass and --vault-password-file are mutually exclusive")
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if runas_opts:
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# Check for privilege escalation conflicts
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if (op.su or op.su_user or op.ask_su_pass) and \
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(op.sudo or op.sudo_user or op.ask_sudo_pass) or \
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(op.su or op.su_user or op.ask_su_pass) and \
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(op.become or op.become_user or op.become_ask_pass) or \
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(op.sudo or op.sudo_user or op.ask_sudo_pass) and \
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(op.become or op.become_user or op.become_ask_pass):
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self.parser.error("Sudo arguments ('--sudo', '--sudo-user', and '--ask-sudo-pass') "
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"and su arguments ('-su', '--su-user', and '--ask-su-pass') "
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"and become arguments ('--become', '--become-user', and '--ask-become-pass')"
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" are exclusive of each other")
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if fork_opts:
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if op.forks < 1:
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self.parser.error("The number of processes (--forks) must be >= 1")
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@staticmethod
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def expand_tilde(option, opt, value, parser):
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setattr(parser.values, option.dest, os.path.expanduser(value))
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@staticmethod
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def base_parser(usage="", output_opts=False, runas_opts=False, meta_opts=False, runtask_opts=False, vault_opts=False, module_opts=False,
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async_opts=False, connect_opts=False, subset_opts=False, check_opts=False, inventory_opts=False, epilog=None, fork_opts=False):
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''' create an options parser for most ansible scripts '''
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#FIXME: implemente epilog parsing
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#OptionParser.format_epilog = lambda self, formatter: self.epilog
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# base opts
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parser = SortedOptParser(usage, version=CLI.version("%prog"))
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parser.add_option('-v','--verbose', dest='verbosity', default=0, action="count",
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help="verbose mode (-vvv for more, -vvvv to enable connection debugging)")
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if inventory_opts:
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parser.add_option('-i', '--inventory-file', dest='inventory',
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help="specify inventory host file (default=%s)" % C.DEFAULT_HOST_LIST,
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default=C.DEFAULT_HOST_LIST, action="callback", callback=CLI.expand_tilde, type=str)
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parser.add_option('--list-hosts', dest='listhosts', action='store_true',
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help='outputs a list of matching hosts; does not execute anything else')
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parser.add_option('-l', '--limit', default=C.DEFAULT_SUBSET, dest='subset',
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help='further limit selected hosts to an additional pattern')
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if module_opts:
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parser.add_option('-M', '--module-path', dest='module_path', default=None,
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help="specify path(s) to module library (default=%s)" % C.DEFAULT_MODULE_PATH,
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action="callback", callback=CLI.expand_tilde, type=str)
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if runtask_opts:
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parser.add_option('-e', '--extra-vars', dest="extra_vars", action="append",
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help="set additional variables as key=value or YAML/JSON", default=[])
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if fork_opts:
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parser.add_option('-f','--forks', dest='forks', default=C.DEFAULT_FORKS, type='int',
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help="specify number of parallel processes to use (default=%s)" % C.DEFAULT_FORKS)
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if vault_opts:
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parser.add_option('--ask-vault-pass', default=False, dest='ask_vault_pass', action='store_true',
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help='ask for vault password')
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parser.add_option('--vault-password-file', default=C.DEFAULT_VAULT_PASSWORD_FILE,
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dest='vault_password_file', help="vault password file", action="callback",
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callback=CLI.expand_tilde, type=str)
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parser.add_option('--new-vault-password-file',
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dest='new_vault_password_file', help="new vault password file for rekey", action="callback",
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callback=CLI.expand_tilde, type=str)
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parser.add_option('--output', default=None, dest='output_file',
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help='output file name for encrypt or decrypt; use - for stdout')
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if subset_opts:
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parser.add_option('-t', '--tags', dest='tags', default='all',
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help="only run plays and tasks tagged with these values")
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parser.add_option('--skip-tags', dest='skip_tags',
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help="only run plays and tasks whose tags do not match these values")
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if output_opts:
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parser.add_option('-o', '--one-line', dest='one_line', action='store_true',
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help='condense output')
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parser.add_option('-t', '--tree', dest='tree', default=None,
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help='log output to this directory')
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if runas_opts:
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# priv user defaults to root later on to enable detecting when this option was given here
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parser.add_option('-K', '--ask-sudo-pass', default=C.DEFAULT_ASK_SUDO_PASS, dest='ask_sudo_pass', action='store_true',
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help='ask for sudo password (deprecated, use become)')
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parser.add_option('--ask-su-pass', default=C.DEFAULT_ASK_SU_PASS, dest='ask_su_pass', action='store_true',
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help='ask for su password (deprecated, use become)')
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parser.add_option("-s", "--sudo", default=C.DEFAULT_SUDO, action="store_true", dest='sudo',
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help="run operations with sudo (nopasswd) (deprecated, use become)")
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parser.add_option('-U', '--sudo-user', dest='sudo_user', default=None,
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help='desired sudo user (default=root) (deprecated, use become)')
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parser.add_option('-S', '--su', default=C.DEFAULT_SU, action='store_true',
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help='run operations with su (deprecated, use become)')
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parser.add_option('-R', '--su-user', default=None,
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help='run operations with su as this user (default=%s) (deprecated, use become)' % C.DEFAULT_SU_USER)
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# consolidated privilege escalation (become)
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parser.add_option("-b", "--become", default=C.DEFAULT_BECOME, action="store_true", dest='become',
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help="run operations with become (nopasswd implied)")
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parser.add_option('--become-method', dest='become_method', default=C.DEFAULT_BECOME_METHOD, type='string',
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help="privilege escalation method to use (default=%s), valid choices: [ %s ]" % (C.DEFAULT_BECOME_METHOD, ' | '.join(C.BECOME_METHODS)))
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parser.add_option('--become-user', default=None, dest='become_user', type='string',
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help='run operations as this user (default=%s)' % C.DEFAULT_BECOME_USER)
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parser.add_option('--ask-become-pass', default=False, dest='become_ask_pass', action='store_true',
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help='ask for privilege escalation password')
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if connect_opts:
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parser.add_option('-k', '--ask-pass', default=C.DEFAULT_ASK_PASS, dest='ask_pass', action='store_true',
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help='ask for connection password')
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parser.add_option('--private-key','--key-file', default=C.DEFAULT_PRIVATE_KEY_FILE, dest='private_key_file',
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help='use this file to authenticate the connection')
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parser.add_option('-u', '--user', default=C.DEFAULT_REMOTE_USER, dest='remote_user',
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help='connect as this user (default=%s)' % C.DEFAULT_REMOTE_USER)
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parser.add_option('-c', '--connection', dest='connection', default=C.DEFAULT_TRANSPORT,
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help="connection type to use (default=%s)" % C.DEFAULT_TRANSPORT)
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parser.add_option('-T', '--timeout', default=C.DEFAULT_TIMEOUT, type='int', dest='timeout',
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help="override the connection timeout in seconds (default=%s)" % C.DEFAULT_TIMEOUT)
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parser.add_option('--ssh-common-args', default='', dest='ssh_common_args',
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help="specify common arguments to pass to sftp/scp/ssh (e.g. ProxyCommand)")
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parser.add_option('--sftp-extra-args', default='', dest='sftp_extra_args',
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help="specify extra arguments to pass to sftp only (e.g. -f, -l)")
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parser.add_option('--scp-extra-args', default='', dest='scp_extra_args',
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help="specify extra arguments to pass to scp only (e.g. -l)")
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parser.add_option('--ssh-extra-args', default='', dest='ssh_extra_args',
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help="specify extra arguments to pass to ssh only (e.g. -R)")
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if async_opts:
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parser.add_option('-P', '--poll', default=C.DEFAULT_POLL_INTERVAL, type='int', dest='poll_interval',
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help="set the poll interval if using -B (default=%s)" % C.DEFAULT_POLL_INTERVAL)
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parser.add_option('-B', '--background', dest='seconds', type='int', default=0,
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help='run asynchronously, failing after X seconds (default=N/A)')
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if check_opts:
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parser.add_option("-C", "--check", default=False, dest='check', action='store_true',
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help="don't make any changes; instead, try to predict some of the changes that may occur")
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parser.add_option('--syntax-check', dest='syntax', action='store_true',
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help="perform a syntax check on the playbook, but do not execute it")
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parser.add_option("-D", "--diff", default=False, dest='diff', action='store_true',
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help="when changing (small) files and templates, show the differences in those files; works great with --check")
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if meta_opts:
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parser.add_option('--force-handlers', default=C.DEFAULT_FORCE_HANDLERS, dest='force_handlers', action='store_true',
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help="run handlers even if a task fails")
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parser.add_option('--flush-cache', dest='flush_cache', action='store_true',
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help="clear the fact cache")
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return parser
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@staticmethod
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def version(prog):
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''' return ansible version '''
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result = "{0} {1}".format(prog, __version__)
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gitinfo = CLI._gitinfo()
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if gitinfo:
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result = result + " {0}".format(gitinfo)
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result += "\n config file = %s" % C.CONFIG_FILE
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result = result + "\n configured module search path = %s" % C.DEFAULT_MODULE_PATH
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return result
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@staticmethod
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def version_info(gitinfo=False):
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''' return full ansible version info '''
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if gitinfo:
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# expensive call, user with care
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ansible_version_string = CLI.version('')
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else:
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ansible_version_string = __version__
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ansible_version = ansible_version_string.split()[0]
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ansible_versions = ansible_version.split('.')
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for counter in range(len(ansible_versions)):
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if ansible_versions[counter] == "":
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ansible_versions[counter] = 0
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try:
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ansible_versions[counter] = int(ansible_versions[counter])
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except:
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pass
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if len(ansible_versions) < 3:
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for counter in range(len(ansible_versions), 3):
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ansible_versions.append(0)
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return {'string': ansible_version_string.strip(),
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'full': ansible_version,
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'major': ansible_versions[0],
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'minor': ansible_versions[1],
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'revision': ansible_versions[2]}
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@staticmethod
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def _git_repo_info(repo_path):
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''' returns a string containing git branch, commit id and commit date '''
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result = None
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if os.path.exists(repo_path):
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# Check if the .git is a file. If it is a file, it means that we are in a submodule structure.
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if os.path.isfile(repo_path):
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try:
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gitdir = yaml.safe_load(open(repo_path)).get('gitdir')
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# There is a possibility the .git file to have an absolute path.
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if os.path.isabs(gitdir):
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repo_path = gitdir
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else:
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repo_path = os.path.join(repo_path[:-4], gitdir)
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except (IOError, AttributeError):
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return ''
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f = open(os.path.join(repo_path, "HEAD"))
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branch = f.readline().split('/')[-1].rstrip("\n")
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f.close()
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branch_path = os.path.join(repo_path, "refs", "heads", branch)
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if os.path.exists(branch_path):
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f = open(branch_path)
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commit = f.readline()[:10]
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f.close()
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else:
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# detached HEAD
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commit = branch[:10]
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branch = 'detached HEAD'
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branch_path = os.path.join(repo_path, "HEAD")
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date = time.localtime(os.stat(branch_path).st_mtime)
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if time.daylight == 0:
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offset = time.timezone
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else:
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offset = time.altzone
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result = "({0} {1}) last updated {2} (GMT {3:+04d})".format(branch, commit,
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time.strftime("%Y/%m/%d %H:%M:%S", date), int(offset / -36))
|
|
else:
|
|
result = ''
|
|
return result
|
|
|
|
@staticmethod
|
|
def _gitinfo():
|
|
basedir = os.path.join(os.path.dirname(__file__), '..', '..', '..')
|
|
repo_path = os.path.join(basedir, '.git')
|
|
result = CLI._git_repo_info(repo_path)
|
|
submodules = os.path.join(basedir, '.gitmodules')
|
|
if not os.path.exists(submodules):
|
|
return result
|
|
f = open(submodules)
|
|
for line in f:
|
|
tokens = line.strip().split(' ')
|
|
if tokens[0] == 'path':
|
|
submodule_path = tokens[2]
|
|
submodule_info = CLI._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)
|
|
f.close()
|
|
return result
|
|
|
|
|
|
def pager(self, text):
|
|
''' find reasonable way to display text '''
|
|
# this is a much simpler form of what is in pydoc.py
|
|
if not sys.stdout.isatty():
|
|
self.display.display(text)
|
|
elif 'PAGER' in os.environ:
|
|
if sys.platform == 'win32':
|
|
self.display.display(text)
|
|
else:
|
|
self.pager_pipe(text, os.environ['PAGER'])
|
|
elif subprocess.call('(less --version) 2> /dev/null', shell = True) == 0:
|
|
self.pager_pipe(text, 'less')
|
|
else:
|
|
self.display.display(text)
|
|
|
|
@staticmethod
|
|
def pager_pipe(text, cmd):
|
|
''' pipe text through a pager '''
|
|
if 'LESS' not in os.environ:
|
|
os.environ['LESS'] = CLI.LESS_OPTS
|
|
try:
|
|
cmd = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=sys.stdout)
|
|
cmd.communicate(input=text.encode(sys.stdout.encoding))
|
|
except IOError:
|
|
pass
|
|
except KeyboardInterrupt:
|
|
pass
|
|
|
|
@classmethod
|
|
def tty_ify(self, text):
|
|
|
|
t = self._ITALIC.sub("`" + r"\1" + "'", text) # I(word) => `word'
|
|
t = self._BOLD.sub("*" + r"\1" + "*", t) # B(word) => *word*
|
|
t = self._MODULE.sub("[" + r"\1" + "]", t) # M(word) => [word]
|
|
t = self._URL.sub(r"\1", t) # U(word) => word
|
|
t = self._CONST.sub("`" + r"\1" + "'", t) # C(word) => `word'
|
|
|
|
return t
|
|
|
|
@staticmethod
|
|
def read_vault_password_file(vault_password_file, loader):
|
|
"""
|
|
Read a vault password from a file or if executable, execute the script and
|
|
retrieve password from STDOUT
|
|
"""
|
|
|
|
this_path = os.path.realpath(os.path.expanduser(vault_password_file))
|
|
if not os.path.exists(this_path):
|
|
raise AnsibleError("The vault password file %s was not found" % this_path)
|
|
|
|
if loader.is_executable(this_path):
|
|
try:
|
|
# STDERR not captured to make it easier for users to prompt for input in their scripts
|
|
p = subprocess.Popen(this_path, stdout=subprocess.PIPE)
|
|
except OSError as e:
|
|
raise AnsibleError("Problem running vault password script %s (%s). If this is not a script, remove the executable bit from the file." % (' '.join(this_path), e))
|
|
stdout, stderr = p.communicate()
|
|
vault_pass = stdout.strip('\r\n')
|
|
else:
|
|
try:
|
|
f = open(this_path, "rb")
|
|
vault_pass=f.read().strip()
|
|
f.close()
|
|
except (OSError, IOError) as e:
|
|
raise AnsibleError("Could not read vault password file %s: %s" % (this_path, e))
|
|
|
|
return vault_pass
|
|
|
|
def get_opt(self, k, defval=""):
|
|
"""
|
|
Returns an option from an Optparse values instance.
|
|
"""
|
|
try:
|
|
data = getattr(self.options, k)
|
|
except:
|
|
return defval
|
|
if k == "roles_path":
|
|
if os.pathsep in data:
|
|
data = data.split(os.pathsep)[0]
|
|
return data
|
|
|