Add entropy_repos fact

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## UNRELEASED
 
 - Add `entropy_repo` type to enable/disable repositories
+- Add `entropy_repos` fact
 
 ## 2016-10-13 Release 0.2.0
 

README.md

@@ -102,10 +102,12 @@ entropy_repo { 'sabayon-limbo':
 }
 ```
 
-To disable a repository, use:
+To disable a repository (only if present), use:
 ```puppet
-entropy_repo { 'sabayon-limbo':
-  enabled => 'false',
+if 'sabayon-limbo' in $facts['entropy_repos'] {
+  entropy_repo { 'sabayon-limbo':
+    enabled => 'false',
+  }
 }
 ```
 
@@ -275,6 +277,26 @@ For more info on package keywords, see https://wiki.gentoo.org/wiki/KEYWORDS
 
 ### Facts
 
+#### `entropy_repos`
+
+Provides a structured fact identifying the entropy repos present on the system
+including their enabled/disabled state, and whether they are enman or entropy
+repositories.
+
+Example (in yaml format for readability):
+```yaml
+---
+sabayonlinux.org:
+  repo_type: "entropy"
+  enabled: "true"
+sabayon-limbo:
+  repo_type: "entropy"
+  enabled: "false"
+community:
+  repo_type: "enman"
+  enabled: "true"
+```
+
 #### `locale`
 
 Identifies the system-wide default locale, as set by `eselect`.

lib/facter/entropy_repos.rb

@@ -0,0 +1,22 @@
+Facter.add('entropy_repos') do
+
+  confine :operatingsystem => :Sabayon
+
+  setcode do
+    # Use the types/providers to do the heavy lifting here
+    repos = {}
+
+    Puppet::Type.type(:entropy_repo).provider(:file).instances().each do |repo|
+      Facter.debug(repo.enabled)
+      r = {
+        :repo_type => repo.repo_type,
+        :enabled   => repo.enabled,
+      }
+
+      repos[repo.name] = r
+    end
+
+    repos
+  end
+
+end