Merge pull request #576 from yadavnikhil/masterHEADmaster

ensure_packages.rb: Modifed to pass hiera parameters (as hash,array) as first argument

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/ensure_resources.rb b/lib/puppet/parser/functions/ensure_resources.rb
new file mode 100644
index 0000000..30d57a8
--- /dev/null
+++ b/lib/puppet/parser/functions/ensure_resources.rb
@@ -0,0 +1,54 @@
+require 'puppet/parser/functions'
+
+Puppet::Parser::Functions.newfunction(:ensure_resources,
+                                      :type => :statement,
+                                      :doc => <<-'ENDOFDOC'
+Takes a resource type, title (only hash), and a list of attributes that describe a
+resource.
+
+    user { 'dan':
+      gid => 'mygroup',
+      ensure => present,
+    }
+
+An hash of resources should be passed in and each will be created with
+the type and parameters specified if it doesn't already exist.
+
+    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'})
+
+ENDOFDOC
+) do |vals|
+  type, title, params = vals
+  raise(ArgumentError, 'Must specify a type') unless type
+  raise(ArgumentError, 'Must specify a title') unless title
+  params ||= {}
+
+  if title.is_a?(Hash)
+    resource_hash = Hash(title)
+    resources = resource_hash.keys
+
+    Puppet::Parser::Functions.function(:ensure_resource)
+    resources.each { |resource_name|
+    if resource_hash[resource_name]
+        params_merged = params.merge(resource_hash[resource_name])
+    else
+        params_merged = params
+    end
+    function_ensure_resource([ type, resource_name, params_merged ])
+    }
+  else
+       raise(Puppet::ParseError, 'ensure_resources(): Requires second argument to be a Hash')
+  end
+end