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# Copyright: (c) 2017, 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 os
import shlex
import subprocess
import sys
import yaml
from ansible.cli import CLI
from ansible.config.manager import ConfigManager, Setting, find_ini_config_file
from ansible.errors import AnsibleError, AnsibleOptionsError
from ansible.module_utils._text import to_native, to_text
from ansible.parsing.yaml.dumper import AnsibleDumper
from ansible.utils.color import stringc
from ansible.utils.display import Display
from ansible.utils.path import unfrackpath
display = Display()
class ConfigCLI(CLI):
""" Config command line class """
VALID_ACTIONS = frozenset(("view", "dump", "list")) # TODO: edit, update, search
def __init__(self, args, callback=None):
self.config_file = None
self.config = None
super(ConfigCLI, self).__init__(args, callback)
def parse(self):
self.parser = CLI.base_parser(
usage="usage: %%prog [%s] [--help] [options] [ansible.cfg]" % "|".join(sorted(self.VALID_ACTIONS)),
epilog="\nSee '%s <command> --help' for more information on a specific command.\n\n" % os.path.basename(sys.argv[0]),
desc="View, edit, and manage ansible configuration.",
)
self.parser.add_option('-c', '--config', dest='config_file', help="path to configuration file, defaults to first file found in precedence.")
self.set_action()
# options specific to self.actions
if self.action == "list":
self.parser.set_usage("usage: %prog list [options] ")
if self.action == "dump":
self.parser.add_option('--only-changed', dest='only_changed', action='store_true',
help="Only show configurations that have changed from the default")
elif self.action == "update":
self.parser.add_option('-s', '--setting', dest='setting', help="config setting, the section defaults to 'defaults'")
self.parser.set_usage("usage: %prog update [options] [-c ansible.cfg] -s '[section.]setting=value'")
elif self.action == "search":
self.parser.set_usage("usage: %prog update [options] [-c ansible.cfg] <search term>")
self.options, self.args = self.parser.parse_args()
display.verbosity = self.options.verbosity
def run(self):
super(ConfigCLI, self).run()
if self.options.config_file:
self.config_file = unfrackpath(self.options.config_file, follow=False)
self.config = ConfigManager(self.config_file)
else:
self.config = ConfigManager()
self.config_file = find_ini_config_file()
if self.config_file:
try:
if not os.path.exists(self.config_file):
raise AnsibleOptionsError("%s does not exist or is not accessible" % (self.config_file))
elif not os.path.isfile(self.config_file):
raise AnsibleOptionsError("%s is not a valid file" % (self.config_file))
os.environ['ANSIBLE_CONFIG'] = to_native(self.config_file)
except Exception:
if self.action in ['view']:
raise
elif self.action in ['edit', 'update']:
display.warning("File does not exist, used empty file: %s" % self.config_file)
elif self.action == 'view':
raise AnsibleError('Invalid or no config file was supplied')
self.execute()
def execute_update(self):
'''
Updates a single setting in the specified ansible.cfg
'''
raise AnsibleError("Option not implemented yet")
# pylint: disable=unreachable
if self.options.setting is None:
raise AnsibleOptionsError("update option requires a setting to update")
(entry, value) = self.options.setting.split('=')
if '.' in entry:
(section, option) = entry.split('.')
else:
section = 'defaults'
option = entry
subprocess.call([
'ansible',
'-m', 'ini_file',
'localhost',
'-c', 'local',
'-a', '"dest=%s section=%s option=%s value=%s backup=yes"' % (self.config_file, section, option, value)
])
def execute_view(self):
'''
Displays the current config file
'''
try:
with open(self.config_file, 'rb') as f:
self.pager(to_text(f.read(), errors='surrogate_or_strict'))
except Exception as e:
raise AnsibleError("Failed to open config file: %s" % to_native(e))
def execute_edit(self):
'''
Opens ansible.cfg in the default EDITOR
'''
raise AnsibleError("Option not implemented yet")
# pylint: disable=unreachable
try:
editor = shlex.split(os.environ.get('EDITOR', 'vi'))
editor.append(self.config_file)
subprocess.call(editor)
except Exception as e:
raise AnsibleError("Failed to open editor: %s" % to_native(e))
def execute_list(self):
'''
list all current configs reading lib/constants.py and shows env and config file setting names
'''
self.pager(to_text(yaml.dump(self.config.get_configuration_definitions(), Dumper=AnsibleDumper), errors='surrogate_or_strict'))
def execute_dump(self):
'''
Shows the current settings, merges ansible.cfg if specified
'''
# FIXME: deal with plugins, not just base config
text = []
defaults = self.config.get_configuration_definitions().copy()
for setting in self.config.data.get_settings():
if setting.name in defaults:
defaults[setting.name] = setting
for setting in sorted(defaults):
if isinstance(defaults[setting], Setting):
if defaults[setting].origin == 'default':
color = 'green'
else:
color = 'yellow'
msg = "%s(%s) = %s" % (setting, defaults[setting].origin, defaults[setting].value)
else:
color = 'green'
msg = "%s(%s) = %s" % (setting, 'default', defaults[setting].get('default'))
if not self.options.only_changed or color == 'yellow':
text.append(stringc(msg, color))
self.pager(to_text('\n'.join(text), errors='surrogate_or_strict'))
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