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New function "ensure_resources()" to support passing hash as parameter OR from hiera backend
This new function is extension of ensure_resource() which will now support to pass multiple values as hash/array OR from hiera backend variables in title argument with additional parameters needed.
It will
process multiple values for a resource type from the passed argument & pass each entry (type, title, params) to ensure_resource() in required format for further processing.
Now user can have duplicate resource check functionality extended to multiple entries with this new function.
Use:
For multiple resources using
hash:
ensure_resources('user', {'dan' => { gid => 'mygroup', uid =>'600' } , 'alex' => { gid => 'mygroup' }}, {'ensure' =>'present'})
From Hiera Backend:
userlist:
dan:
gid: 'mygroup'
uid: '600'
alex:
gid: 'mygroup'
Call:
ensure_resources('user',hiera_hash('userlist'), {'ensure' => 'present'})
ensure_packages()
Modified to also support Hash type argument for packages
This modification will call newly added ensure_resources() for processing Hash as second argument.
The original functionality remains same for Array type arguments.
Use:
hiera:
packagelist:
ksh:
ensure: latest
mlocate: {}
myrpm:
provider: rpm
source: "/tmp/myrpm-1.0.0.x86_64.rpm"
install_options:
--prefix:
/users/home
openssl:
provider: rpm
source: "/tmp/openssl-1.0.1e-42.el7.x86_64.rpm"
Call:
ensure_packages($packagelist)
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Without this patch one can not specify package resource specific
parameters. All the ensure_packages() function does it makes sure
the named packages are installed. This patch allows one to pass
default as a second argument and allow greater flexibility on
packages installations.
Use case like the following are now possible :
* ensure_packages(['r10k', 'serverspec'], {'provider' => 'gem'})
* ensure_packages(['ntp'], {'require' => 'Exec[foobar]'})
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Its often the case that modules need to install a handful of packages.
In some cases its worth breaking these dependencies out into their own
modules (e.g., Java). In others it makes more sense to keep them in the
module. This can be problematic when multiple modules depend on common
packages (git, python ruby, etc). ensure_resource was a good first step
towards solving this problem. ensure_resource does not handle arrays and
for 3 or more packages stamping out ensure_resource declarations is
tedious.
ensure_packages is a convenience function that takes an array of packages
and wraps calls to ensure_resource. Currently users cannot specify
package versions. But the function could be extended to use a hash if
that functionality would be useful.
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