Add support for [compute] parameters

This change introduces the new octavia::compute class, to manage
parameters in the [compute] section.

Change-Id: I139ed46b7acbb81d9c01c8708f91af9e5d2900a3

manifests/compute.pp

@@ -0,0 +1,40 @@
+# == Class: octavia::compute
+#
+# Setup and configure octavia.conf compute section.
+#
+# === Parameters:
+#
+# [*max_retries*]
+#  (Optional) The maximum attempts to retry an acction with the compute
+#  service.
+#  Defaults to $::os_service_default
+#
+# [*retry_interval*]
+#  (Optional) Seocnds to wait before retrying an action with the compute
+#  service.
+#  Defaults to $::os_service_default
+#
+# [*retry_backoff*]
+#  (Optional) The seconds to backoff retry attempts.
+#  Defaults to $::os_service_default
+#
+# [*retry_max*]
+#  (Optional) The maximum interval in seconds between retry attempts.
+#  Defaults to $::os_service_default
+#
+class octavia::compute (
+  $max_retries    = $::os_service_default,
+  $retry_interval = $::os_service_default,
+  $retry_backoff  = $::os_service_default,
+  $retry_max      = $::os_service_default,
+) {
+
+  include octavia::deps
+
+  octavia_config {
+    'compute/max_retries':    value => $max_retries;
+    'compute/retry_interval': value => $retry_interval;
+    'compute/retry_backoff':  value => $retry_backoff;
+    'compute/retry_max':      value => $retry_max;
+  }
+}

releasenotes/notes/compute-877faaf860156a97.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The new ``octavia::compute`` class has been added.

spec/classes/octavia_compute_spec.rb

@@ -0,0 +1,45 @@
+require 'spec_helper'
+
+describe 'octavia::compute' do
+  shared_examples 'octavia::compute' do
+    context 'with default parameters' do
+      it {
+        should contain_octavia_config('compute/max_retries').with_value('<SERVICE DEFAULT>')
+        should contain_octavia_config('compute/retry_interval').with_value('<SERVICE DEFAULT>')
+        should contain_octavia_config('compute/retry_backoff').with_value('<SERVICE DEFAULT>')
+        should contain_octavia_config('compute/retry_max').with_value('<SERVICE DEFAULT>')
+      }
+    end
+
+    context 'with parameters set' do
+      let :params do
+        {
+          :max_retries    => 15,
+          :retry_interval => 1,
+          :retry_backoff  => 2,
+          :retry_max      => 10,
+        }
+      end
+
+      it {
+        should contain_octavia_config('compute/max_retries').with_value(15)
+        should contain_octavia_config('compute/retry_interval').with_value(1)
+        should contain_octavia_config('compute/retry_backoff').with_value(2)
+        should contain_octavia_config('compute/retry_max').with_value(10)
+      }
+    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 'octavia::compute'
+    end
+  end
+
+end