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Revert "Update docs and example config for requiretty + pipelining change"

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This reverts commit f873cc0fb5.

Reverting pipelining change for now due to hard to pin down bugs: #13410  #13411
This commit is contained in:
Toshio Kuratomi 2015-12-03 07:59:23 -08:00
parent e00012994e
commit 9caa2b0452
2 changed files with 13 additions and 20 deletions
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21
docsite/rst/intro_configuration.rst
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@ -799,22 +799,15 @@ pipelining
==========
Enabling pipelining reduces the number of SSH operations required to
execute a module on the remote server, by executing many ansible modules without actual file transfer.
This can result in a very significant performance improvement when enabled.
As of Ansible 2.1.0 this option is enabled by default.
execute a module on the remote server, by executing many ansible modules without actual file transfer.
This can result in a very significant performance improvement when enabled, however when using "sudo:" operations you must
first disable 'requiretty' in /etc/sudoers on all managed hosts.
In previous versions, this option was disabled because of a bad interaction
with some sudo configurations. If sudo was configured to 'requiretty' for
operation then pipelining would not work and ansible would fail to connect
properly. This could be remedied by removing 'requiretty' in /etc/sudoers on
all managed hosts.
By default, this option is disabled to preserve compatibility with
sudoers configurations that have requiretty (the default on many distros), but is highly
recommended if you can enable it, eliminating the need for :doc:`playbooks_acceleration`::
It is recommended to leave this option enabled. If you are stuck with an old
version of ansible your first choice option should be to remove requiretty
from the sudoers configuration and only disable pipelining if you cannot do
that. Enabling this eliminates the need for :doc:`playbooks_acceleration`::
pipelining=True
pipelining=False
.. _accelerate_settings:

12
examples/ansible.cfg
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@ -226,13 +226,13 @@
# Enabling pipelining reduces the number of SSH operations required to
# execute a module on the remote server. This can result in a significant
# performance improvement when enabled. It is enabled by default.
# performance improvement when enabled, however when using "sudo:" you must
# first disable 'requiretty' in /etc/sudoers
#
# In previous versions of ansible this was defaulted to off as it was
# incompatible with sudo's requiretty option. Ansible 2.1 and above contain
# a fix for that problem.
#
#pipelining = True
# By default, this option is disabled to preserve compatibility with
# sudoers configurations that have requiretty (the default on many distros).
#
#pipelining = False
# if True, make ansible use scp if the connection type is ssh
# (default is sftp)