abc/ops/cookbooks/vendor/memcached/resources/instance_systemd.rb
2019-07-01 10:15:24 -04:00

129 lines
3.9 KiB
Ruby

#
# 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