Issue #2696 has been reported by David Lutterkort.
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Bug #2696: augeas type - allow an 'if' statement in the minilanguage for changes
http://projects.reductivelabs.com/issues/2696
Author: David Lutterkort
Status: Accepted
Priority: Normal
Assigned to: David Lutterkort
Category: augeas
Target version:
Affected version: 0.25.0
Keywords:
Branch:
Currently, it is only possible to turn an augeas resource on or off in its
entirety by using the 'onlyif' parameter. Often, it is desirable to make
different kinds of changes depending on what the augeas tree looks like
precisely. For example, if in some file the setting 'foo' is not set to '1',
check whether the setting exists already; if so, jjust change its value to '1'.
If not, create the setting and a comment about it; as a rough draft, this would
could be written in the following manner:
<pre>
augeas { fiddle-foo:
context => "..."
changes => "
if match foo size == 0 then
set foo '1'
ins #comment before foo
set #comment[following-sibling::*[1][label() = 'foo']] 'modified by puppet'
else
set foo '1'
end
"
onlyif => "get foo != '1'"
}
</pre>
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