Don't manage imgcache dir

Possible workaround for voxpupuli#145

manifests/init.pp

@@ -122,6 +122,9 @@
 #
 # @param manage_selinux
 #   Should we load an SELinux policy to allow Smokeping to work on Red Hat distros?
+#
+# @param manage_imgcache
+#   Should we manage the permissions on the imgcache directory?
 class smokeping (
   Stdlib::HTTPUrl $cgiurl,
   Stdlib::HTTPUrl $master_url,
@@ -174,6 +177,7 @@
   Boolean $manage_apache = false,
   Boolean $manage_firewall = false,
   Boolean $manage_selinux = false,
+  Boolean $manage_imgcache = true,
   Stdlib::Fqdn $servername = $facts['networking']['fqdn'],
 ) {
   if $manage_apache {

manifests/install.pp

@@ -28,11 +28,13 @@
     require => Package['smokeping'],
     recurse => true,
   }
-  file { $smokeping::path_imgcache:
-    ensure  => directory,
-    owner   => $smokeping::webserver_user,
-    group   => $smokeping::webserver_group,
-    require => Package['smokeping'],
-    recurse => true,
+  if $smokeping::manage_imgcache {
+    file { $smokeping::path_imgcache:
+      ensure  => directory,
+      owner   => $smokeping::webserver_user,
+      group   => $smokeping::webserver_group,
+      require => Package['smokeping'],
+      recurse => true,
+    }
   }
 }

spec/classes/init_spec.rb

@@ -24,6 +24,57 @@
         it { is_expected.to contain_class('smokeping::install') }
         it { is_expected.to contain_class('smokeping::service') }
         it { is_expected.to contain_class('smokeping::config') }
+
+        case facts[:osfamily]
+        when 'RedHat'
+          it {
+            is_expected.to contain_file('/var/lib/smokeping/images').with(
+              ensure: 'directory',
+              owner: 'apache',
+              group: 'apache',
+              recurse: true
+            )
+          }
+        when 'Debian'
+          it {
+            is_expected.to contain_file('/var/cache/smokeping/images').with(
+              ensure: 'directory',
+              owner: 'www-data',
+              group: 'www-data',
+              recurse: true
+            )
+          }
+        end
+      end
+
+      context 'change img_cachedir' do
+        let :params do
+          {
+            cgiurl: 'http://some.url/smokeping.cgi',
+            master_url: 'http://somewhere/cgi-bin/smokeping.cgi',
+            path_imgcache: '/smokeping/images'
+          }
+        end
+
+        it {
+          is_expected.to contain_file('/smokeping/images').with(
+            ensure: 'directory',
+            recurse: true
+          )
+        }
+
+        context "don't manage img_cachedir" do
+          let :params do
+            {
+              cgiurl: 'http://some.url/smokeping.cgi',
+              master_url: 'http://somewhere/cgi-bin/smokeping.cgi',
+              path_imgcache: '/smokeping/images',
+              manage_imgcache: false
+            }
+          end
+
+          it { is_expected.not_to contain_file('/smokeping/images') }
+        end
       end
     end
   end