Add support for audit middleware

Co-Authored-By: Christian Schwede <cschwede@redhat.com>
Depends-On: Id1b2944783ecaaa631ce9c1ceebfa1a30de4d4c6
Change-Id: Ifa4e2ed894844ab1c7501f8edc18e55a9dea7e61

manifests/proxy/audit.pp

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+# == Class: swift::proxy::audit
+#
+# Configure audit middleware for Swift proxy.
+#
+# === Parameters
+#
+# [*filter_factory*]
+#   (Optional) The audit filter factory.
+#   Defaults to 'keystonemiddleware.audit:filter_factory'
+#
+# [*audit_map_file*]
+#   (Optional) The audit map file.
+#   Defaults to '/etc/pycadf/swift_api_audit_map.conf'
+#
+# == Authors
+#
+# Christian Schwede <cschwede@redhat.com>
+# Tobias Urdin <tobias.urdin@binero.se>
+#
+class swift::proxy::audit (
+  $filter_factory = 'keystonemiddleware.audit:filter_factory',
+  $audit_map_file = '/etc/pycadf/swift_api_audit_map.conf',
+) {
+
+  include ::swift::deps
+
+  swift_proxy_config {
+    'filter:audit/paste.filter_factory': value => $filter_factory;
+    'filter:audit/audit_map_file':       value => $audit_map_file;
+  }
+}

releasenotes/notes/add-swift-proxy-audit-3ee76986d46aa9f4.yaml

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+---
+features:
+  - |
+    Added swift::proxy::audit class to configure audit middleware for Swift proxy.

spec/classes/swift_proxy_audit_spec.rb

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+require 'spec_helper'
+
+describe 'swift::proxy::audit' do
+  shared_examples 'swift::proxy::audit' do
+    context 'when using default parameters' do
+      it { is_expected.to contain_swift_proxy_config('filter:audit/paste.filter_factory').with_value('keystonemiddleware.audit:filter_factory') }
+      it { is_expected.to contain_swift_proxy_config('filter:audit/audit_map_file').with_value('/etc/pycadf/swift_api_audit_map.conf') }
+    end
+
+    context 'when overriding default parameters' do
+      let :params do
+        {
+          :filter_factory => 'keystonemiddleware.audit:some_audit',
+          :audit_map_file => '/etc/some_audit/some_audit.conf'
+        }
+      end
+
+      it { is_expected.to contain_swift_proxy_config('filter:audit/paste.filter_factory').with_value('keystonemiddleware.audit:some_audit') }
+      it { is_expected.to contain_swift_proxy_config('filter:audit/audit_map_file').with_value('/etc/some_audit/some_audit.conf') }
+    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 'swift::proxy::audit'
+    end
+  end
+end