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621 lines
25 KiB
Python
621 lines
25 KiB
Python
# Copyright: (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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# Copyright: (c) 2016, Toshio Kuratomi <tkuratomi@ansible.com>
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# Copyright: (c) 2018, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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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 sys
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# Used for determining if the system is running a new enough python version
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# and should only restrict on our documented minimum versions
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if sys.version_info < (3, 8):
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raise SystemExit(
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'ERROR: Ansible requires Python 3.8 or newer on the controller. '
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'Current version: %s' % ''.join(sys.version.splitlines())
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)
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import errno
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import getpass
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import os
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import subprocess
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import traceback
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from abc import ABCMeta, abstractmethod
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from pathlib import Path
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try:
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from ansible import constants as C
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from ansible.utils.display import Display, initialize_locale
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initialize_locale()
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display = Display()
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except Exception as e:
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print('ERROR: %s' % e, file=sys.stderr)
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sys.exit(5)
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from ansible import context
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from ansible.cli.arguments import option_helpers as opt_help
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from ansible.errors import AnsibleError, AnsibleOptionsError, AnsibleParserError
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from ansible.inventory.manager import InventoryManager
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from ansible.module_utils.six import with_metaclass, string_types, PY3
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from ansible.module_utils._text import to_bytes, to_text
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from ansible.parsing.dataloader import DataLoader
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from ansible.parsing.vault import PromptVaultSecret, get_file_vault_secret
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from ansible.plugins.loader import add_all_plugin_dirs
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from ansible.release import __version__
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from ansible.utils.collection_loader import AnsibleCollectionConfig
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from ansible.utils.collection_loader._collection_finder import _get_collection_name_from_path
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from ansible.utils.path import unfrackpath
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from ansible.utils.unsafe_proxy import to_unsafe_text
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from ansible.vars.manager import VariableManager
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try:
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import argcomplete
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HAS_ARGCOMPLETE = True
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except ImportError:
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HAS_ARGCOMPLETE = False
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class CLI(with_metaclass(ABCMeta, object)):
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''' code behind bin/ansible* programs '''
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PAGER = 'less'
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# -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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LESS_OPTS = 'FRSX'
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SKIP_INVENTORY_DEFAULTS = False
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def __init__(self, args, callback=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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if not args:
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raise ValueError('A non-empty list for args is required')
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self.args = args
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self.parser = None
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self.callback = callback
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if C.DEVEL_WARNING and __version__.endswith('dev0'):
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display.warning(
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'You are running the development version of Ansible. You should only run Ansible from "devel" if '
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'you are modifying the Ansible engine, or trying out features under development. This is a rapidly '
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'changing source of code and can become unstable at any point.'
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)
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@abstractmethod
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def run(self):
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"""Run the ansible command
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Subclasses must implement this method. It does the actual work of
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running an Ansible command.
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"""
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self.parse()
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display.vv(to_text(opt_help.version(self.parser.prog)))
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if C.CONFIG_FILE:
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display.v(u"Using %s as config file" % to_text(C.CONFIG_FILE))
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else:
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display.v(u"No config file found; using defaults")
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# warn about deprecated config options
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for deprecated in C.config.DEPRECATED:
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name = deprecated[0]
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why = deprecated[1]['why']
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if 'alternatives' in deprecated[1]:
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alt = ', use %s instead' % deprecated[1]['alternatives']
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else:
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alt = ''
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ver = deprecated[1].get('version')
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date = deprecated[1].get('date')
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collection_name = deprecated[1].get('collection_name')
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display.deprecated("%s option, %s%s" % (name, why, alt),
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version=ver, date=date, collection_name=collection_name)
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@staticmethod
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def split_vault_id(vault_id):
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# return (before_@, after_@)
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# if no @, return whole string as after_
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if '@' not in vault_id:
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return (None, vault_id)
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parts = vault_id.split('@', 1)
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ret = tuple(parts)
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return ret
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@staticmethod
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def build_vault_ids(vault_ids, vault_password_files=None,
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ask_vault_pass=None, create_new_password=None,
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auto_prompt=True):
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vault_password_files = vault_password_files or []
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vault_ids = vault_ids or []
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# convert vault_password_files into vault_ids slugs
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for password_file in vault_password_files:
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id_slug = u'%s@%s' % (C.DEFAULT_VAULT_IDENTITY, password_file)
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# note this makes --vault-id higher precedence than --vault-password-file
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# if we want to intertwingle them in order probably need a cli callback to populate vault_ids
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# used by --vault-id and --vault-password-file
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vault_ids.append(id_slug)
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# if an action needs an encrypt password (create_new_password=True) and we dont
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# have other secrets setup, then automatically add a password prompt as well.
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# prompts cant/shouldnt work without a tty, so dont add prompt secrets
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if ask_vault_pass or (not vault_ids and auto_prompt):
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id_slug = u'%s@%s' % (C.DEFAULT_VAULT_IDENTITY, u'prompt_ask_vault_pass')
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vault_ids.append(id_slug)
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return vault_ids
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# TODO: remove the now unused args
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@staticmethod
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def setup_vault_secrets(loader, vault_ids, vault_password_files=None,
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ask_vault_pass=None, create_new_password=False,
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auto_prompt=True):
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# list of tuples
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vault_secrets = []
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# Depending on the vault_id value (including how --ask-vault-pass / --vault-password-file create a vault_id)
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# we need to show different prompts. This is for compat with older Towers that expect a
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# certain vault password prompt format, so 'promp_ask_vault_pass' vault_id gets the old format.
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prompt_formats = {}
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# If there are configured default vault identities, they are considered 'first'
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# so we prepend them to vault_ids (from cli) here
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vault_password_files = vault_password_files or []
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if C.DEFAULT_VAULT_PASSWORD_FILE:
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vault_password_files.append(C.DEFAULT_VAULT_PASSWORD_FILE)
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if create_new_password:
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prompt_formats['prompt'] = ['New vault password (%(vault_id)s): ',
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'Confirm new vault password (%(vault_id)s): ']
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# 2.3 format prompts for --ask-vault-pass
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prompt_formats['prompt_ask_vault_pass'] = ['New Vault password: ',
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'Confirm New Vault password: ']
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else:
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prompt_formats['prompt'] = ['Vault password (%(vault_id)s): ']
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# The format when we use just --ask-vault-pass needs to match 'Vault password:\s*?$'
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prompt_formats['prompt_ask_vault_pass'] = ['Vault password: ']
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vault_ids = CLI.build_vault_ids(vault_ids,
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vault_password_files,
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ask_vault_pass,
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create_new_password,
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auto_prompt=auto_prompt)
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for vault_id_slug in vault_ids:
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vault_id_name, vault_id_value = CLI.split_vault_id(vault_id_slug)
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if vault_id_value in ['prompt', 'prompt_ask_vault_pass']:
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# --vault-id some_name@prompt_ask_vault_pass --vault-id other_name@prompt_ask_vault_pass will be a little
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# confusing since it will use the old format without the vault id in the prompt
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built_vault_id = vault_id_name or C.DEFAULT_VAULT_IDENTITY
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# choose the prompt based on --vault-id=prompt or --ask-vault-pass. --ask-vault-pass
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# always gets the old format for Tower compatibility.
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# ie, we used --ask-vault-pass, so we need to use the old vault password prompt
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# format since Tower needs to match on that format.
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prompted_vault_secret = PromptVaultSecret(prompt_formats=prompt_formats[vault_id_value],
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vault_id=built_vault_id)
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# a empty or invalid password from the prompt will warn and continue to the next
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# without erroring globally
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try:
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prompted_vault_secret.load()
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except AnsibleError as exc:
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display.warning('Error in vault password prompt (%s): %s' % (vault_id_name, exc))
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raise
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vault_secrets.append((built_vault_id, prompted_vault_secret))
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# update loader with new secrets incrementally, so we can load a vault password
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# that is encrypted with a vault secret provided earlier
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loader.set_vault_secrets(vault_secrets)
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continue
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# assuming anything else is a password file
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display.vvvvv('Reading vault password file: %s' % vault_id_value)
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# read vault_pass from a file
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file_vault_secret = get_file_vault_secret(filename=vault_id_value,
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vault_id=vault_id_name,
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loader=loader)
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# an invalid password file will error globally
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try:
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file_vault_secret.load()
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except AnsibleError as exc:
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display.warning('Error in vault password file loading (%s): %s' % (vault_id_name, to_text(exc)))
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raise
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if vault_id_name:
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vault_secrets.append((vault_id_name, file_vault_secret))
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else:
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vault_secrets.append((C.DEFAULT_VAULT_IDENTITY, file_vault_secret))
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# update loader with as-yet-known vault secrets
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loader.set_vault_secrets(vault_secrets)
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return vault_secrets
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@staticmethod
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def _get_secret(prompt):
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secret = getpass.getpass(prompt=prompt)
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if secret:
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secret = to_unsafe_text(secret)
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return secret
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@staticmethod
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def ask_passwords():
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''' prompt for connection and become passwords if needed '''
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op = context.CLIARGS
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sshpass = None
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becomepass = None
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become_prompt = ''
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become_prompt_method = "BECOME" if C.AGNOSTIC_BECOME_PROMPT else op['become_method'].upper()
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try:
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become_prompt = "%s password: " % become_prompt_method
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if op['ask_pass']:
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sshpass = CLI._get_secret("SSH password: ")
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become_prompt = "%s password[defaults to SSH password]: " % become_prompt_method
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elif op['connection_password_file']:
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sshpass = CLI.get_password_from_file(op['connection_password_file'])
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if op['become_ask_pass']:
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becomepass = CLI._get_secret(become_prompt)
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if op['ask_pass'] and becomepass == '':
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becomepass = sshpass
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elif op['become_password_file']:
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becomepass = CLI.get_password_from_file(op['become_password_file'])
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except EOFError:
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pass
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return (sshpass, becomepass)
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def validate_conflicts(self, op, runas_opts=False, fork_opts=False):
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''' check for conflicting options '''
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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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return op
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@abstractmethod
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def init_parser(self, usage="", desc=None, epilog=None):
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"""
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Create an options parser for most ansible scripts
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Subclasses need to implement this method. They will usually call the base class's
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init_parser to create a basic version and then add their own options on top of that.
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An implementation will look something like this::
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def init_parser(self):
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super(MyCLI, self).init_parser(usage="My Ansible CLI", inventory_opts=True)
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ansible.arguments.option_helpers.add_runas_options(self.parser)
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self.parser.add_option('--my-option', dest='my_option', action='store')
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"""
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self.parser = opt_help.create_base_parser(self.name, usage=usage, desc=desc, epilog=epilog)
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@abstractmethod
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def post_process_args(self, options):
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"""Process the command line args
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Subclasses need to implement this method. This method validates and transforms the command
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line arguments. It can be used to check whether conflicting values were given, whether filenames
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exist, etc.
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An implementation will look something like this::
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def post_process_args(self, options):
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options = super(MyCLI, self).post_process_args(options)
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if options.addition and options.subtraction:
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raise AnsibleOptionsError('Only one of --addition and --subtraction can be specified')
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if isinstance(options.listofhosts, string_types):
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options.listofhosts = string_types.split(',')
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return options
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"""
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# process tags
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if hasattr(options, 'tags') and not options.tags:
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# optparse defaults does not do what's expected
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# More specifically, we want `--tags` to be additive. So we cannot
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# simply change C.TAGS_RUN's default to ["all"] because then passing
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# --tags foo would cause us to have ['all', 'foo']
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options.tags = ['all']
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if hasattr(options, 'tags') and options.tags:
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tags = set()
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for tag_set in options.tags:
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for tag in tag_set.split(u','):
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tags.add(tag.strip())
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options.tags = list(tags)
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# process skip_tags
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if hasattr(options, 'skip_tags') and options.skip_tags:
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skip_tags = set()
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for tag_set in options.skip_tags:
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for tag in tag_set.split(u','):
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skip_tags.add(tag.strip())
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options.skip_tags = list(skip_tags)
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# process inventory options except for CLIs that require their own processing
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if hasattr(options, 'inventory') and not self.SKIP_INVENTORY_DEFAULTS:
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if options.inventory:
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# should always be list
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if isinstance(options.inventory, string_types):
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options.inventory = [options.inventory]
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# Ensure full paths when needed
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options.inventory = [unfrackpath(opt, follow=False) if ',' not in opt else opt for opt in options.inventory]
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else:
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options.inventory = C.DEFAULT_HOST_LIST
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return options
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def parse(self):
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"""Parse the command line args
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This method parses the command line arguments. It uses the parser
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stored in the self.parser attribute and saves the args and options in
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context.CLIARGS.
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Subclasses need to implement two helper methods, init_parser() and post_process_args() which
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are called from this function before and after parsing the arguments.
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"""
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self.init_parser()
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if HAS_ARGCOMPLETE:
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argcomplete.autocomplete(self.parser)
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try:
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options = self.parser.parse_args(self.args[1:])
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except SystemExit as e:
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if(e.code != 0):
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self.parser.exit(status=2, message=" \n%s" % self.parser.format_help())
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raise
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options = self.post_process_args(options)
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context._init_global_context(options)
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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 = opt_help.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 Exception:
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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 pager(text):
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''' find reasonable way to display text '''
|
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# this is a much simpler form of what is in pydoc.py
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if not sys.stdout.isatty():
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display.display(text, screen_only=True)
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elif 'PAGER' in os.environ:
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if sys.platform == 'win32':
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display.display(text, screen_only=True)
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else:
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CLI.pager_pipe(text, os.environ['PAGER'])
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else:
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p = subprocess.Popen('less --version', shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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p.communicate()
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if p.returncode == 0:
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CLI.pager_pipe(text, 'less')
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else:
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display.display(text, screen_only=True)
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|
|
@staticmethod
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def pager_pipe(text, cmd):
|
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''' pipe text through a pager '''
|
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if 'LESS' not in os.environ:
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os.environ['LESS'] = CLI.LESS_OPTS
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try:
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cmd = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=sys.stdout)
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cmd.communicate(input=to_bytes(text))
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except IOError:
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pass
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except KeyboardInterrupt:
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pass
|
|
|
|
@staticmethod
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def _play_prereqs():
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options = context.CLIARGS
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|
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# all needs loader
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loader = DataLoader()
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basedir = options.get('basedir', False)
|
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if basedir:
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loader.set_basedir(basedir)
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add_all_plugin_dirs(basedir)
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AnsibleCollectionConfig.playbook_paths = basedir
|
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default_collection = _get_collection_name_from_path(basedir)
|
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if default_collection:
|
|
display.warning(u'running with default collection {0}'.format(default_collection))
|
|
AnsibleCollectionConfig.default_collection = default_collection
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|
|
|
vault_ids = list(options['vault_ids'])
|
|
default_vault_ids = C.DEFAULT_VAULT_IDENTITY_LIST
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vault_ids = default_vault_ids + vault_ids
|
|
|
|
vault_secrets = CLI.setup_vault_secrets(loader,
|
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vault_ids=vault_ids,
|
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vault_password_files=list(options['vault_password_files']),
|
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ask_vault_pass=options['ask_vault_pass'],
|
|
auto_prompt=False)
|
|
loader.set_vault_secrets(vault_secrets)
|
|
|
|
# create the inventory, and filter it based on the subset specified (if any)
|
|
inventory = InventoryManager(loader=loader, sources=options['inventory'])
|
|
|
|
# create the variable manager, which will be shared throughout
|
|
# the code, ensuring a consistent view of global variables
|
|
variable_manager = VariableManager(loader=loader, inventory=inventory, version_info=CLI.version_info(gitinfo=False))
|
|
|
|
return loader, inventory, variable_manager
|
|
|
|
@staticmethod
|
|
def get_host_list(inventory, subset, pattern='all'):
|
|
|
|
no_hosts = False
|
|
if len(inventory.list_hosts()) == 0:
|
|
# Empty inventory
|
|
if C.LOCALHOST_WARNING and pattern not in C.LOCALHOST:
|
|
display.warning("provided hosts list is empty, only localhost is available. Note that the implicit localhost does not match 'all'")
|
|
no_hosts = True
|
|
|
|
inventory.subset(subset)
|
|
|
|
hosts = inventory.list_hosts(pattern)
|
|
if not hosts and no_hosts is False:
|
|
raise AnsibleError("Specified hosts and/or --limit does not match any hosts")
|
|
|
|
return hosts
|
|
|
|
@staticmethod
|
|
def get_password_from_file(pwd_file):
|
|
|
|
b_pwd_file = to_bytes(pwd_file)
|
|
secret = None
|
|
if b_pwd_file == b'-':
|
|
if PY3:
|
|
# ensure its read as bytes
|
|
secret = sys.stdin.buffer.read()
|
|
else:
|
|
secret = sys.stdin.read()
|
|
|
|
elif not os.path.exists(b_pwd_file):
|
|
raise AnsibleError("The password file %s was not found" % pwd_file)
|
|
|
|
elif os.path.is_executable(b_pwd_file):
|
|
display.vvvv(u'The password file %s is a script.' % to_text(pwd_file))
|
|
cmd = [b_pwd_file]
|
|
|
|
try:
|
|
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
except OSError as e:
|
|
raise AnsibleError("Problem occured when trying to run the password script %s (%s)."
|
|
" If this is not a script, remove the executable bit from the file." % (pwd_file, e))
|
|
|
|
stdout, stderr = p.communicate()
|
|
if p.returncode != 0:
|
|
raise AnsibleError("The password script %s returned an error (rc=%s): %s" % (pwd_file, p.returncode, stderr))
|
|
secret = stdout
|
|
|
|
else:
|
|
try:
|
|
f = open(b_pwd_file, "rb")
|
|
secret = f.read().strip()
|
|
f.close()
|
|
except (OSError, IOError) as e:
|
|
raise AnsibleError("Could not read password file %s: %s" % (pwd_file, e))
|
|
|
|
secret = secret.strip(b'\r\n')
|
|
|
|
if not secret:
|
|
raise AnsibleError('Empty password was provided from file (%s)' % pwd_file)
|
|
|
|
return to_unsafe_text(secret)
|
|
|
|
@classmethod
|
|
def cli_executor(cls, args=None):
|
|
if args is None:
|
|
args = sys.argv
|
|
|
|
try:
|
|
display.debug("starting run")
|
|
|
|
ansible_dir = Path("~/.ansible").expanduser()
|
|
try:
|
|
ansible_dir.mkdir(mode=0o700)
|
|
except OSError as exc:
|
|
if exc.errno != errno.EEXIST:
|
|
display.warning(
|
|
"Failed to create the directory '%s': %s" % (ansible_dir, to_text(exc, errors='surrogate_or_replace'))
|
|
)
|
|
else:
|
|
display.debug("Created the '%s' directory" % ansible_dir)
|
|
|
|
try:
|
|
args = [to_text(a, errors='surrogate_or_strict') for a in args]
|
|
except UnicodeError:
|
|
display.error('Command line args are not in utf-8, unable to continue. Ansible currently only understands utf-8')
|
|
display.display(u"The full traceback was:\n\n%s" % to_text(traceback.format_exc()))
|
|
exit_code = 6
|
|
else:
|
|
cli = cls(args)
|
|
exit_code = cli.run()
|
|
|
|
except AnsibleOptionsError as e:
|
|
cli.parser.print_help()
|
|
display.error(to_text(e), wrap_text=False)
|
|
exit_code = 5
|
|
except AnsibleParserError as e:
|
|
display.error(to_text(e), wrap_text=False)
|
|
exit_code = 4
|
|
# TQM takes care of these, but leaving comment to reserve the exit codes
|
|
# except AnsibleHostUnreachable as e:
|
|
# display.error(str(e))
|
|
# exit_code = 3
|
|
# except AnsibleHostFailed as e:
|
|
# display.error(str(e))
|
|
# exit_code = 2
|
|
except AnsibleError as e:
|
|
display.error(to_text(e), wrap_text=False)
|
|
exit_code = 1
|
|
except KeyboardInterrupt:
|
|
display.error("User interrupted execution")
|
|
exit_code = 99
|
|
except Exception as e:
|
|
if C.DEFAULT_DEBUG:
|
|
# Show raw stacktraces in debug mode, It also allow pdb to
|
|
# enter post mortem mode.
|
|
raise
|
|
have_cli_options = bool(context.CLIARGS)
|
|
display.error("Unexpected Exception, this is probably a bug: %s" % to_text(e), wrap_text=False)
|
|
if not have_cli_options or have_cli_options and context.CLIARGS['verbosity'] > 2:
|
|
log_only = False
|
|
if hasattr(e, 'orig_exc'):
|
|
display.vvv('\nexception type: %s' % to_text(type(e.orig_exc)))
|
|
why = to_text(e.orig_exc)
|
|
if to_text(e) != why:
|
|
display.vvv('\noriginal msg: %s' % why)
|
|
else:
|
|
display.display("to see the full traceback, use -vvv")
|
|
log_only = True
|
|
display.display(u"the full traceback was:\n\n%s" % to_text(traceback.format_exc()), log_only=log_only)
|
|
exit_code = 250
|
|
|
|
sys.exit(exit_code)
|