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update manifest document for in order execution 

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
This commit is contained in:
Nico Schottelius 2014-02-06 15:55:41 +01:00
parent 41266a1946
commit 724385fcf3
1 changed files with 39 additions and 28 deletions
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67
docs/man/man7/cdist-manifest.text
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@ -128,6 +128,19 @@ All objects that are created in a type manifest are automatically required
from the type that is calling them. This is called "autorequirement" in
cdist jargon.
CREATE DEPENDENCIES FROM EXECUTION ORDER
-----------------------------------------
You can tell cdist to execute all types in the order in which they are created
in the manifest by setting up the variable CDIST_ORDER_DEPENDENCY.
When cdist sees that this variable is setup, the current created object
automatically depends on the previously created object.
It essentially helps you to build up blocks of code that build upon each other
(like first creating the directory xyz than the file below the directory).
THIS IS A BETA FEATURE AND MAY BE REMOVED OR CHANGED AT ANY TIME.
OVERRIDES
---------
In some special cases, you would like to create an already defined object
@ -139,33 +152,7 @@ ATTENTION: Only use this feature if you are 100% sure in which order
cdist encounter the affected objects, otherwhise this results
into an undefined situation.
THIS IS A BETA FEATURE AND MAY BE REMOVED AT ANY TIME.
CDIST_ORDER_DEPENDENCY is a EXPERIMENTAL FEATURE !
You can tell cdist to execute all types in the order in which they are created
in the manifest by exporting CDIST_ORDER_DEPENDENCY.
--------------------------------------------------------------------------------
# Tells cdist to execute all types in the order in which they are created ...
export CDIST_ORDER_DEPENDENCY=on
__sample_type 1
require="__some_type_somewhere/id" __sample_type 2
__example_type 23
# Now this types are executed in the creation order until the variable is unset
unset CDIST_ORDER_DEPENDENCY
# all now following types cdist makes the order ..
__not_in_order_type 42
# how it works :
# this lines above are translated to:
__sample_type 1
require="__some_type_somewhere/id __sample_type/1" __sample_type 2
require="__sample_type/2" __example_type 23
__not_in_order_type 42
--------------------------------------------------------------------------------
THIS IS A BETA FEATURE AND MAY BE REMOVED OR CHANGED AT ANY TIME.
@ -223,6 +210,30 @@ CDIST_ALLOW_OVERRIDE=yes __user foobar --password 'some_other_hash'
# and stay at the original value of /home/foobarexample
--------------------------------------------------------------------------------
Dependencies defined by execution order work as following:
--------------------------------------------------------------------------------
# Tells cdist to execute all types in the order in which they are created ...
export CDIST_ORDER_DEPENDENCY=on
__sample_type 1
require="__some_type_somewhere/id" __sample_type 2
__example_type 23
# Now this types are executed in the creation order until the variable is unset
unset CDIST_ORDER_DEPENDENCY
# all now following types cdist makes the order ..
__not_in_order_type 42
# how it works :
# this lines above are translated to:
__sample_type 1
require="__some_type_somewhere/id __sample_type/1" __sample_type 2
require="__sample_type/2" __example_type 23
__not_in_order_type 42
--------------------------------------------------------------------------------
SEE ALSO
--------
@ -232,5 +243,5 @@ SEE ALSO
COPYING
-------
Copyright \(C) 2010-2012 Nico Schottelius. Free use of this software is
Copyright \(C) 2010-2014 Nico Schottelius. Free use of this software is
granted under the terms of the GNU General Public License version 3 (GPLv3).