ansible/lib/ansible/constants.py

170 lines
9.8 KiB
Python

# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
import os
import pwd
import sys
import ConfigParser
from string import ascii_letters, digits
# copied from utils, avoid circular reference fun :)
def mk_boolean(value):
if value is None:
return False
val = str(value)
if val.lower() in [ "true", "t", "y", "1", "yes" ]:
return True
else:
return False
def get_config(p, section, key, env_var, default, boolean=False, integer=False, floating=False):
''' return a configuration variable with casting '''
value = _get_config(p, section, key, env_var, default)
if boolean:
return mk_boolean(value)
if integer:
return int(value)
if floating:
return float(value)
return value
def _get_config(p, section, key, env_var, default):
''' helper function for get_config '''
if env_var is not None:
value = os.environ.get(env_var, None)
if value is not None:
return value
if p is not None:
try:
return p.get(section, key, raw=True)
except:
return default
return default
def load_config_file():
p = ConfigParser.ConfigParser()
path1 = os.getcwd() + "/ansible.cfg"
path2 = os.path.expanduser(os.environ.get('ANSIBLE_CONFIG', "~/.ansible.cfg"))
path3 = "/etc/ansible/ansible.cfg"
if os.path.exists(path1):
p.read(path1)
elif os.path.exists(path2):
p.read(path2)
elif os.path.exists(path3):
p.read(path3)
else:
return None
return p
def shell_expand_path(path):
''' shell_expand_path is needed as os.path.expanduser does not work
when path is None, which is the default for ANSIBLE_PRIVATE_KEY_FILE '''
if path:
path = os.path.expanduser(path)
return path
p = load_config_file()
active_user = pwd.getpwuid(os.geteuid())[0]
# Needed so the RPM can call setup.py and have modules land in the
# correct location. See #1277 for discussion
if getattr(sys, "real_prefix", None):
# in a virtualenv
DIST_MODULE_PATH = os.path.join(sys.prefix, 'share/ansible/')
else:
DIST_MODULE_PATH = '/usr/share/ansible/'
# check all of these extensions when looking for yaml files for things like
# group variables
YAML_FILENAME_EXTENSIONS = [ "", ".yml", ".yaml" ]
# sections in config file
DEFAULTS='defaults'
# configurable things
DEFAULT_HOST_LIST = shell_expand_path(get_config(p, DEFAULTS, 'hostfile', 'ANSIBLE_HOSTS', '/etc/ansible/hosts'))
DEFAULT_MODULE_PATH = get_config(p, DEFAULTS, 'library', 'ANSIBLE_LIBRARY', DIST_MODULE_PATH)
DEFAULT_ROLES_PATH = get_config(p, DEFAULTS, 'roles_path', 'ANSIBLE_ROLES_PATH', '/etc/ansible/roles')
DEFAULT_REMOTE_TMP = shell_expand_path(get_config(p, DEFAULTS, 'remote_tmp', 'ANSIBLE_REMOTE_TEMP', '$HOME/.ansible/tmp'))
DEFAULT_MODULE_NAME = get_config(p, DEFAULTS, 'module_name', None, 'command')
DEFAULT_PATTERN = get_config(p, DEFAULTS, 'pattern', None, '*')
DEFAULT_FORKS = get_config(p, DEFAULTS, 'forks', 'ANSIBLE_FORKS', 5, integer=True)
DEFAULT_MODULE_ARGS = get_config(p, DEFAULTS, 'module_args', 'ANSIBLE_MODULE_ARGS', '')
DEFAULT_MODULE_LANG = get_config(p, DEFAULTS, 'module_lang', 'ANSIBLE_MODULE_LANG', 'C')
DEFAULT_TIMEOUT = get_config(p, DEFAULTS, 'timeout', 'ANSIBLE_TIMEOUT', 10, integer=True)
DEFAULT_POLL_INTERVAL = get_config(p, DEFAULTS, 'poll_interval', 'ANSIBLE_POLL_INTERVAL', 15, integer=True)
DEFAULT_REMOTE_USER = get_config(p, DEFAULTS, 'remote_user', 'ANSIBLE_REMOTE_USER', active_user)
DEFAULT_ASK_PASS = get_config(p, DEFAULTS, 'ask_pass', 'ANSIBLE_ASK_PASS', False, boolean=True)
DEFAULT_PRIVATE_KEY_FILE = shell_expand_path(get_config(p, DEFAULTS, 'private_key_file', 'ANSIBLE_PRIVATE_KEY_FILE', None))
DEFAULT_SUDO_USER = get_config(p, DEFAULTS, 'sudo_user', 'ANSIBLE_SUDO_USER', 'root')
DEFAULT_ASK_SUDO_PASS = get_config(p, DEFAULTS, 'ask_sudo_pass', 'ANSIBLE_ASK_SUDO_PASS', False, boolean=True)
DEFAULT_REMOTE_PORT = get_config(p, DEFAULTS, 'remote_port', 'ANSIBLE_REMOTE_PORT', 22, integer=True)
DEFAULT_TRANSPORT = get_config(p, DEFAULTS, 'transport', 'ANSIBLE_TRANSPORT', 'smart')
DEFAULT_SCP_IF_SSH = get_config(p, 'ssh_connection', 'scp_if_ssh', 'ANSIBLE_SCP_IF_SSH', False, boolean=True)
DEFAULT_MANAGED_STR = get_config(p, DEFAULTS, 'ansible_managed', None, 'Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by {uid} on {host}')
DEFAULT_SYSLOG_FACILITY = get_config(p, DEFAULTS, 'syslog_facility', 'ANSIBLE_SYSLOG_FACILITY', 'LOG_USER')
DEFAULT_KEEP_REMOTE_FILES = get_config(p, DEFAULTS, 'keep_remote_files', 'ANSIBLE_KEEP_REMOTE_FILES', False, boolean=True)
DEFAULT_SUDO = get_config(p, DEFAULTS, 'sudo', 'ANSIBLE_SUDO', False, boolean=True)
DEFAULT_SUDO_EXE = get_config(p, DEFAULTS, 'sudo_exe', 'ANSIBLE_SUDO_EXE', 'sudo')
DEFAULT_SUDO_FLAGS = get_config(p, DEFAULTS, 'sudo_flags', 'ANSIBLE_SUDO_FLAGS', '-H')
DEFAULT_HASH_BEHAVIOUR = get_config(p, DEFAULTS, 'hash_behaviour', 'ANSIBLE_HASH_BEHAVIOUR', 'replace')
DEFAULT_LEGACY_PLAYBOOK_VARIABLES = get_config(p, DEFAULTS, 'legacy_playbook_variables', 'ANSIBLE_LEGACY_PLAYBOOK_VARIABLES', True, boolean=True)
DEFAULT_JINJA2_EXTENSIONS = get_config(p, DEFAULTS, 'jinja2_extensions', 'ANSIBLE_JINJA2_EXTENSIONS', None)
DEFAULT_EXECUTABLE = get_config(p, DEFAULTS, 'executable', 'ANSIBLE_EXECUTABLE', '/bin/sh')
DEFAULT_SU_EXE = get_config(p, DEFAULTS, 'su_exe', 'ANSIBLE_SU_EXE', 'su')
DEFAULT_SU = get_config(p, DEFAULTS, 'su', 'ANSIBLE_SU', False, boolean=True)
DEFAULT_SU_FLAGS = get_config(p, DEFAULTS, 'su_flags', 'ANSIBLE_SU_FLAGS', '')
DEFAULT_SU_USER = get_config(p, DEFAULTS, 'su_user', 'ANSIBLE_SU_USER', 'root')
DEFAULT_ASK_SU_PASS = get_config(p, DEFAULTS, 'ask_su_pass', 'ANSIBLE_ASK_SU_PASS', False, boolean=True)
DEFAULT_ACTION_PLUGIN_PATH = get_config(p, DEFAULTS, 'action_plugins', 'ANSIBLE_ACTION_PLUGINS', '/usr/share/ansible_plugins/action_plugins')
DEFAULT_CALLBACK_PLUGIN_PATH = get_config(p, DEFAULTS, 'callback_plugins', 'ANSIBLE_CALLBACK_PLUGINS', '/usr/share/ansible_plugins/callback_plugins')
DEFAULT_CONNECTION_PLUGIN_PATH = get_config(p, DEFAULTS, 'connection_plugins', 'ANSIBLE_CONNECTION_PLUGINS', '/usr/share/ansible_plugins/connection_plugins')
DEFAULT_LOOKUP_PLUGIN_PATH = get_config(p, DEFAULTS, 'lookup_plugins', 'ANSIBLE_LOOKUP_PLUGINS', '/usr/share/ansible_plugins/lookup_plugins')
DEFAULT_VARS_PLUGIN_PATH = get_config(p, DEFAULTS, 'vars_plugins', 'ANSIBLE_VARS_PLUGINS', '/usr/share/ansible_plugins/vars_plugins')
DEFAULT_FILTER_PLUGIN_PATH = get_config(p, DEFAULTS, 'filter_plugins', 'ANSIBLE_FILTER_PLUGINS', '/usr/share/ansible_plugins/filter_plugins')
DEFAULT_LOG_PATH = shell_expand_path(get_config(p, DEFAULTS, 'log_path', 'ANSIBLE_LOG_PATH', ''))
ANSIBLE_NOCOLOR = get_config(p, DEFAULTS, 'nocolor', 'ANSIBLE_NOCOLOR', None, boolean=True)
ANSIBLE_NOCOWS = get_config(p, DEFAULTS, 'nocows', 'ANSIBLE_NOCOWS', None, boolean=True)
DISPLAY_SKIPPED_HOSTS = get_config(p, DEFAULTS, 'display_skipped_hosts', 'DISPLAY_SKIPPED_HOSTS', True, boolean=True)
DEFAULT_UNDEFINED_VAR_BEHAVIOR = get_config(p, DEFAULTS, 'error_on_undefined_vars', 'ANSIBLE_ERROR_ON_UNDEFINED_VARS', True, boolean=True)
HOST_KEY_CHECKING = get_config(p, DEFAULTS, 'host_key_checking', 'ANSIBLE_HOST_KEY_CHECKING', True, boolean=True)
DEPRECATION_WARNINGS = get_config(p, DEFAULTS, 'deprecation_warnings', 'ANSIBLE_DEPRECATION_WARNINGS', True, boolean=True)
# CONNECTION RELATED
ANSIBLE_SSH_ARGS = get_config(p, 'ssh_connection', 'ssh_args', 'ANSIBLE_SSH_ARGS', None)
ANSIBLE_SSH_CONTROL_PATH = get_config(p, 'ssh_connection', 'control_path', 'ANSIBLE_SSH_CONTROL_PATH', "%(directory)s/ansible-ssh-%%h-%%p-%%r")
ANSIBLE_SSH_PIPELINING = get_config(p, 'ssh_connection', 'pipelining', 'ANSIBLE_SSH_PIPELINING', False, boolean=True)
PARAMIKO_RECORD_HOST_KEYS = get_config(p, 'paramiko_connection', 'record_host_keys', 'ANSIBLE_PARAMIKO_RECORD_HOST_KEYS', True, boolean=True)
ZEROMQ_PORT = get_config(p, 'fireball_connection', 'zeromq_port', 'ANSIBLE_ZEROMQ_PORT', 5099, integer=True)
ACCELERATE_PORT = get_config(p, 'accelerate', 'accelerate_port', 'ACCELERATE_PORT', 5099, integer=True)
ACCELERATE_TIMEOUT = get_config(p, 'accelerate', 'accelerate_timeout', 'ACCELERATE_TIMEOUT', 30, integer=True)
ACCELERATE_CONNECT_TIMEOUT = get_config(p, 'accelerate', 'accelerate_connect_timeout', 'ACCELERATE_CONNECT_TIMEOUT', 1.0, floating=True)
PARAMIKO_PTY = get_config(p, 'paramiko_connection', 'pty', 'ANSIBLE_PARAMIKO_PTY', True, boolean=True)
# characters included in auto-generated passwords
DEFAULT_PASSWORD_CHARS = ascii_letters + digits + ".,:-_"
# non-configurable things
DEFAULT_SUDO_PASS = None
DEFAULT_REMOTE_PASS = None
DEFAULT_SUBSET = None
DEFAULT_SU_PASS = None