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Add notes about loop squashing and 1.9.2 change to install packages in one yum transaction

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This commit is contained in:
Toshio Kuratomi 2015-07-09 08:16:17 -07:00
parent 007efe438d
commit d46c036b75
1 changed files with 14 additions and 2 deletions
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16
packaging/os/yum.py
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@ -118,10 +118,22 @@ options:
choices: ["yes", "no"]
aliases: []
notes: []
notes:
- When used with a loop of package names in a playbook, ansible optimizes
the call to the yum module. Instead of calling the module with a single
package each time through the loop, ansible calls the module once with all
of the package names from the loop.
- In versions prior to 1.9.2 this module installed and removed each package
given to the yum module separately. This caused problems when packages
specified by filename or url had to be installed or removed together. In
1.9.2 this was fixed so that packages are installed in one yum
transaction. However, if one of the packages adds a new yum repository
that the other packages come from (such as epel-release) then that package
needs to be installed in a separate task. This mimics yum's command line
behaviour.
# informational: requirements for nodes
requirements: [ yum ]
author:
author:
- "Ansible Core Team"
- "Seth Vidal"
'''