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bypass get_hosts and use dictionary directly

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removed redundant consistency fallback
inventory reconciliation already takes care of this a priori
removed unused imports
This commit is contained in:
Brian Coca 2017-05-31 23:38:21 -04:00 committed by Brian Coca
parent 1e785d4117
commit 0571014f2f
2 changed files with 8 additions and 37 deletions
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37
lib/ansible/inventory/data.py
View file

@ -20,7 +20,6 @@ from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import re
import sys
from ansible import constants as C
@ -28,7 +27,6 @@ from ansible.errors import AnsibleError
from ansible.inventory.group import Group
from ansible.inventory.host import Host
from ansible.module_utils.six import iteritems
from ansible.module_utils._text import to_bytes
from ansible.plugins.cache import FactCache
from ansible.utils.vars import combine_vars
from ansible.utils.path import basedir
@ -104,23 +102,6 @@ class InventoryData(object):
return new_host
def _scan_groups_for_host(self, hostname, localhost=False):
''' in case something did not update inventory correctly, fallback to group scan '''
found = None
for group in self.groups.values():
for host in group.get_hosts():
if hostname == host.name:
found = host
break
if found:
break
if found:
display.debug('Found host (%s) in groups but it was missing from main inventory' % hostname)
return found
def reconcile_inventory(self):
''' Ensure inventory basic rules, run after updates '''
@ -170,26 +151,14 @@ class InventoryData(object):
self._groups_dict_cache = {}
def get_host(self, hostname):
''' fetch host object using name
deal with implicit localhost
and possible inconsistent inventory '''
''' fetch host object using name deal with implicit localhost '''
matching_host = self.hosts.get(hostname, None)
# if host is not in hosts dict
if matching_host is None:
if matching_host is None and hostname in C.LOCALHOST:
# might need to create implicit localhost
if hostname in C.LOCALHOST:
matching_host = self._create_implicit_localhost(hostname)
# might be inconsistent inventory, search groups
if matching_host is None:
matching_host = self._scan_groups_for_host(hostname)
# if found/created update hosts dict
if matching_host:
self.hosts[hostname] = matching_host
matching_host = self._create_implicit_localhost(hostname)
return matching_host

8
lib/ansible/vars/hostvars.py
View file

@ -69,6 +69,7 @@ class HostVars(collections.Mapping):
self._inventory = inventory
def _find_host(self, host_name):
# does not use inventory.hosts so it can create localhost on demand
return self._inventory.get_host(host_name)
def raw_get(self, host_name):
@ -100,18 +101,19 @@ class HostVars(collections.Mapping):
self._variable_manager.set_host_facts(host, facts)
def __contains__(self, host_name):
# does not use inventory.hosts so it can create localhost on demand
return self._find_host(host_name) is not None
def __iter__(self):
for host in self._inventory.get_hosts(ignore_limits=True, ignore_restrictions=True):
for host in self._inventory.hosts:
yield host.name
def __len__(self):
return len(self._inventory.get_hosts(ignore_limits=True, ignore_restrictions=True))
return len(self._inventory.hosts)
def __repr__(self):
out = {}
for host in self._inventory.get_hosts(ignore_limits=True, ignore_restrictions=True):
for host in self._inventory.hosts:
name = host.name
out[name] = self.get(name)
return repr(out)