Merge "Add support for the file incoming driver"

manifests/storage/incoming/file.pp

@@ -0,0 +1,32 @@
+#
+# gnocchi::storage::incoming::file
+#
+# File incoming storage driver for Gnocchi
+#
+# == Parameters
+#
+# [*file_basepath*]
+#   (optional) Path used to store gnocchi data files.
+#   This parameter can be used only when gnocchi::storage::file is not used.
+#   Defaults to undef
+#
+class gnocchi::storage::incoming::file(
+  $file_basepath = undef,
+) {
+
+  include gnocchi::deps
+
+  # Because the file_basepath parameter is maintained by two classes, here we
+  # skip the parameter unless a user explicitly requests it, to avoid
+  # duplicated declaration.
+  if $file_basepath != undef {
+    gnocchi_config {
+      'storage/file_basepath': value => $file_basepath;
+    }
+  }
+
+  gnocchi_config {
+    'incoming/driver': value => 'file';
+  }
+
+}

releasenotes/notes/file-incoming-driver-166fa94e9253781e.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The new ``gnocchi::storage::incoming::file`` class has been added. This
+    class can be used to set up the file incoming driver.

spec/classes/gnocchi_storage_incoming_file_spec.rb

@@ -0,0 +1,47 @@
+#
+# Unit tests for gnocchi::storage::incoming::file
+#
+
+require 'spec_helper'
+
+describe 'gnocchi::storage::incoming::file' do
+
+  let :params do
+    {}
+  end
+
+  shared_examples_for 'gnocchi storage file' do
+
+    context 'with file' do
+      it 'configures gnocchi incoming driver with file' do
+        is_expected.to contain_class('gnocchi::deps')
+        is_expected.to contain_gnocchi_config('incoming/driver').with_value('file')
+        is_expected.to_not contain_gnocchi_config('storage/file_basepath')
+      end
+    end
+
+    context 'with file_basepath' do
+      let :params do
+        { :file_basepath => '/var/lib/gnocchi' }
+      end
+
+      it 'configures gnocchi incoming driver with file' do
+        is_expected.to contain_gnocchi_config('incoming/driver').with_value('file')
+        is_expected.to contain_gnocchi_config('storage/file_basepath').with_value('/var/lib/gnocchi')
+      end
+    end
+  end
+
+  on_supported_os({
+    :supported_os   => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
+
+      it_behaves_like 'gnocchi storage file'
+    end
+  end
+
+end