Merge pull request #243 from DataDog/miketheman/system_core

Add `system_core` recipe and file

recipes/system_core.rb

@@ -0,0 +1,21 @@
+#
+# Cookbook Name:: datadog
+# Recipe:: system_core
+#
+# Copyright 2015, Datadog
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+include_recipe 'datadog::dd-agent'
+
+datadog_monitor 'system_core'

spec/integrations/system_core_spec.rb

@@ -0,0 +1,33 @@
+describe 'datadog::system_core' do
+  expected_yaml = <<-EOF
+  # Generated by Chef, local modifications will be overwritten
+
+  init_config:
+
+  instances:
+    # No configuration is needed for this check.
+    # A single instance needs to be defined with any value.
+    - foo: bar
+  EOF
+
+  cached(:chef_run) do
+    ChefSpec::SoloRunner.new(step_into: ['datadog_monitor']) do |node|
+      node.automatic['languages'] = { 'python' => { 'version' => '2.7.2' } }
+      node.set['datadog'] = { 'api_key' => 'someapikey' }
+    end.converge(described_recipe)
+  end
+
+  subject { chef_run }
+
+  it_behaves_like 'datadog-agent'
+
+  it { is_expected.to include_recipe('datadog::dd-agent') }
+
+  it { is_expected.to add_datadog_monitor('system_core') }
+
+  it 'renders expected YAML config file' do
+    expect(chef_run).to render_file('/etc/dd-agent/conf.d/system_core.yaml').with_content { |content|
+      expect(YAML.load(content).to_json).to be_json_eql(YAML.load(expected_yaml).to_json)
+    }
+  end
+end

templates/default/system_core.yaml.erb

@@ -0,0 +1,8 @@
+# Generated by Chef, local modifications will be overwritten
+
+init_config:
+
+instances:
+  # No configuration is needed for this check.
+  # A single instance needs to be defined with any value.
+  - foo: bar