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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
DOCUMENTATION = r'''
name: host_list
version_added: "2.4"
short_description: Parses a 'host list' string
description:
- Parses a host list string as a comma separated values of hosts
- This plugin only applies to inventory strings that are not paths and contain a comma.
'''
EXAMPLES = r'''
# define 2 hosts in command line
# ansible -i '10.10.2.6, 10.10.2.4' -m ping all
# DNS resolvable names
# ansible -i 'host1.example.com, host2' -m user -a 'name=me state=absent' all
# just use localhost
# ansible-playbook -i 'localhost,' play.yml -c local
'''
import os
from ansible.errors import AnsibleError, AnsibleParserError
from ansible.module_utils.common.text.converters import to_bytes, to_native, to_text
from ansible.parsing.utils.addresses import parse_address
from ansible.plugins.inventory import BaseInventoryPlugin
class InventoryModule(BaseInventoryPlugin):
NAME = 'host_list'
def verify_file(self, host_list):
valid = False
b_path = to_bytes(host_list, errors='surrogate_or_strict')
if not os.path.exists(b_path) and ',' in host_list:
valid = True
return valid
def parse(self, inventory, loader, host_list, cache=True):
''' parses the inventory file '''
super(InventoryModule, self).parse(inventory, loader, host_list)
try:
for h in host_list.split(','):
h = h.strip()
if h:
try:
(host, port) = parse_address(h, allow_ranges=False)
except AnsibleError as e:
self.display.vvv("Unable to parse address from hostname, leaving unchanged: %s" % to_text(e))
host = h
port = None
if host not in self.inventory.hosts:
self.inventory.add_host(host, group='ungrouped', port=port)
except Exception as e:
raise AnsibleParserError("Invalid data from string, could not parse: %s" % to_native(e))
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