cron.rb

#
# Author:: Joshua Timberman (<joshua@opscode.com>)
# Author:: Seth Chisamore (<schisamo@opscode.com>)
# Author:: Bryan Berry (<bryan.berry@gmail.com>)
# Cookbook Name:: chef-client
# Recipe:: cron
#
# Copyright 2009-2011, Opscode, 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.
#

require 'digest/md5'

# include helper methods
class ::Chef::Recipe
  include ::Opscode::ChefClient::Helpers
end

# libraries/helpers.rb method to DRY directory creation resources
client_bin = find_chef_client
node.default['chef_client']['bin'] = client_bin
create_directories

dist_dir, conf_dir = value_for_platform_family(
  ['debian'] => %w{ debian default },
  ['rhel'] => %w{ redhat sysconfig },
  ['fedora'] => %w{ redhat sysconfig },
  ['suse'] => %w{ suse sysconfig }
  )

# let's create the service file so the :disable action doesn't fail
case node['platform_family']
when 'arch', 'debian', 'rhel', 'fedora', 'suse', 'openbsd', 'freebsd'
  template '/etc/init.d/chef-client' do
    source "#{dist_dir}/init.d/chef-client.erb"
    mode 0755
    variables(:client_bin => client_bin)
  end

  template "/etc/#{conf_dir}/chef-client" do
    source "#{dist_dir}/#{conf_dir}/chef-client.erb"
    mode 0644
  end

  service 'chef-client' do
    supports :status => true, :restart => true
    provider Chef::Provider::Service::Upstart if node['chef_client']['init_style'] == 'upstart'
    action [:disable, :stop]
  end

when 'openindiana', 'opensolaris', 'nexentacore', 'solaris2', 'smartos', 'omnios'
  service 'chef-client' do
    supports :status => true, :restart => true
    action [:disable, :stop]
    provider Chef::Provider::Service::Solaris
    ignore_failure true
  end
end

# Generate a uniformly distributed unique number to sleep.
if node['chef_client']['splay'].to_i > 0
  checksum   = Digest::MD5.hexdigest(node['fqdn'] || 'unknown-hostname')
  sleep_time = checksum.to_s.hex % node['chef_client']['splay'].to_i
else
  sleep_time = nil
end
env        = node['chef_client']['cron']['environment_variables']
log_file   = node['chef_client']['cron']['log_file']

# If "use_cron_d" is set to true, delete the cron entry that uses the cron
# resource built in to Chef and instead use the cron_d LWRP.
if node['chef_client']['cron']['use_cron_d']
  cron 'chef-client' do
    action :delete
  end

  cron_d 'chef-client' do
    minute  node['chef_client']['cron']['minute']
    hour    node['chef_client']['cron']['hour']
    path    node['chef_client']['cron']['path'] if node['chef_client']['cron']['path']
    mailto  node['chef_client']['cron']['mailto'] if node['chef_client']['cron']['mailto']
    user    'root'
    cmd = ''
    cmd << "/bin/sleep #{sleep_time}; " if sleep_time
    cmd << "#{env} #{client_bin} > #{log_file} 2>&1"
    command cmd
  end
else
  cron_d 'chef-client' do
    action :delete
  end

  cron 'chef-client' do
    minute  node['chef_client']['cron']['minute']
    hour    node['chef_client']['cron']['hour']
    path    node['chef_client']['cron']['path'] if node['chef_client']['cron']['path']
    mailto  node['chef_client']['cron']['mailto'] if node['chef_client']['cron']['mailto']
    user    'root'
    cmd = ''
    cmd << "/bin/sleep #{sleep_time}; " if sleep_time
    cmd << "#{env} #{client_bin} > #{log_file} 2>&1"
    command cmd
  end
end