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Store hosts for a play as a play attribute

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Operate on that play attribute to make things faster for larger
inventories. Instead of making a round trip through inventory.list_hosts
and working through some lengthy list comprehensions over and over
again, calculate the potenital hosts for a play once, then reduce from
it the unavailable hosts when necessary.

Also moves how the %fail is done. The host count is a play level count
of available hosts, which then is compared after each task to the
current number of available hosts for the play. This used to get a new
count every task which was also time expensive.
This commit is contained in:
Jesse Keating 2014-01-06 18:16:43 -08:00
parent 94f3b9bfab
commit e8ad36c8d4
2 changed files with 19 additions and 11 deletions
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4
lib/ansible/playbook/play.py
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@ -34,7 +34,7 @@ class Play(object):
'handlers', 'remote_user', 'remote_port', 'included_roles', 'accelerate',
'accelerate_port', 'accelerate_ipv6', 'sudo', 'sudo_user', 'transport', 'playbook',
'tags', 'gather_facts', 'serial', '_ds', '_handlers', '_tasks',
'basedir', 'any_errors_fatal', 'roles', 'max_fail_pct'
'basedir', 'any_errors_fatal', 'roles', 'max_fail_pct', '_play_hosts'
]
# to catch typos and so forth -- these are userland names
@ -134,6 +134,8 @@ class Play(object):
if self.sudo_user != 'root':
self.sudo = True
# place holder for the discovered hosts to be used in this play
self._play_hosts = None
# *************************************************