Dev set up

ops/cookbooks/vendor/memcached/resources/instance_systemd.rb

@@ -0,0 +1,128 @@
+#
+# Cookbook:: memcached
+# resource:: instance_systemd
+#
+# Author:: Tim Smith <tsmith@chef.io>
+# Copyright:: 2016, Chef Software, Inc.
+#
+# 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.
+#
+
+provides :memcached_instance_systemd
+
+provides :memcached_instance, os: 'linux' do |_node|
+  Chef::Platform::ServiceHelpers.service_resource_providers.include?(:systemd)
+end
+
+property :instance_name, String, name_property: true
+property :memory, [Integer, String], default: 64
+property :port, [Integer, String], default: 11_211
+property :udp_port, [Integer, String], default: 11_211
+property :listen, String, default: '0.0.0.0'
+property :maxconn, [Integer, String], default: 1024
+property :user, String, default: lazy { service_user }
+property :binary_path, String
+property :threads, [Integer, String]
+property :max_object_size, String, default: '1m'
+property :experimental_options, Array, default: []
+property :extra_cli_options, Array, default: []
+property :ulimit, [Integer, String], default: 1024
+property :template_cookbook, String, default: 'memcached'
+property :disable_default_instance, [true, false], default: true
+property :remove_default_config, [true, false], default: true
+property :no_restart, [true, false], default: false
+property :log_level, String, default: 'info'
+
+action :start do
+  create_init
+
+  service memcached_instance_name do
+    provider Chef::Provider::Service::Systemd
+    supports restart: true, status: true
+    action :start
+  end
+end
+
+action :stop do
+  service memcached_instance_name do
+    provider Chef::Provider::Service::Systemd
+    supports status: true
+    action :stop
+    only_if { ::File.exist?("/etc/systemd/system/#{memcached_instance_name}.service") }
+  end
+end
+
+action :restart do
+  service memcached_instance_name do
+    provider Chef::Provider::Service::Systemd
+    supports restart: true, status: true
+    action :restart
+  end
+end
+
+action :disable do
+  service memcached_instance_name do
+    provider Chef::Provider::Service::Systemd
+    supports status: true
+    action :disable
+    only_if { ::File.exist?("/etc/systemd/system/#{memcached_instance_name}.service") }
+  end
+end
+
+action :enable do
+  create_init
+
+  service memcached_instance_name do
+    provider Chef::Provider::Service::Systemd
+    supports status: true
+    action :enable
+  end
+end
+
+action_class do
+  def create_init
+    include_recipe 'memcached::_package' unless new_resource.binary_path
+
+    # remove any runit instances with the same name if they exist
+    disable_legacy_runit_instance
+
+    # Disable the default memcached service to avoid port conflicts + wasted memory
+    disable_default_memcached_instance
+
+    # cleanup default configs to avoid confusion
+    remove_default_memcached_configs
+
+    template "/etc/systemd/system/#{memcached_instance_name}.service" do
+      source 'init_systemd.erb'
+      variables(
+        instance: memcached_instance_name,
+        ulimit: new_resource.ulimit,
+        user: new_resource.user,
+        binary_path: binary_path,
+        cli_options: cli_options
+      )
+      cookbook new_resource.template_cookbook
+      notifies :run, 'execute[reload_unit_file]', :immediately
+      notifies :restart, "service[#{memcached_instance_name}]", :immediately unless new_resource.no_restart
+      owner 'root'
+      group 'root'
+      mode '0644'
+    end
+
+    # systemd is cool like this
+    execute 'reload_unit_file' do
+      command 'systemctl daemon-reload'
+      action :nothing
+    end
+  end
+end