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author | Lamont Granquist <lamont@scriptkiddie.org> | 2014-10-24 10:45:43 -0700 |
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committer | Lamont Granquist <lamont@scriptkiddie.org> | 2014-10-24 10:45:43 -0700 |
commit | 97aaf5bbcdfd0810722b123bdc67e883a7ca8077 (patch) | |
tree | 25663bf1d4f53664b96844251091b51273ad84c7 /lib/chef/platform/service_helpers.rb | |
parent | cb1bcb1f08816f551f96e713624718f58da3c9b3 (diff) | |
download | chef-97aaf5bbcdfd0810722b123bdc67e883a7ca8077.tar.gz |
Chef-12 RC Provider Resolver
makes resource and provider class resolution more dynamic.
begins deprecation of Chef::Platform static mapping.
Diffstat (limited to 'lib/chef/platform/service_helpers.rb')
-rw-r--r-- | lib/chef/platform/service_helpers.rb | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/lib/chef/platform/service_helpers.rb b/lib/chef/platform/service_helpers.rb new file mode 100644 index 0000000000..440391843e --- /dev/null +++ b/lib/chef/platform/service_helpers.rb @@ -0,0 +1,113 @@ +# +# Author:: Lamont Granquist (<lamont@chef.io>) +# Copyright:: Copyright (c) 2014 Chef Software, Inc. +# License:: Apache License, Version 2.0 +# +# 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. +# + +# XXX: mixing shellout into a mixin into classes has to be code smell +require 'chef/mixin/shell_out' + +class Chef + class Platform + class ServiceHelpers + class << self + + include Chef::Mixin::ShellOut + + # This helper is mostly used to sort out the mess of different + # linux mechanisms that can be used to start services. It does + # not necessarily need to linux-specific, but currently all our + # other service providers are narrowly platform-specific with no + # alternatives. + def service_resource_providers + service_resource_providers = [] + + if ::File.exist?("/usr/sbin/update-rc.d") + service_resource_providers << :debian + end + + if ::File.exist?("/usr/sbin/invoke-rc.d") + service_resource_providers << :invokercd + end + + if ::File.exist?("/sbin/insserv") + service_resource_providers << :insserv + end + + # debian >= 6.0 has /etc/init but does not have upstart + if ::File.exist?("/etc/init") && ::File.exist?("/sbin/start") + service_resource_providers << :upstart + end + + if ::File.exist?("/sbin/chkconfig") + service_resource_providers << :redhat + end + + if ::File.exist?("/bin/systemctl") + # FIXME: look for systemd as init provider + service_resource_providers << :systemd + end + + service_resource_providers + end + + def config_for_service(service_name) + configs = [] + + if ::File.exist?("/etc/init.d/#{service_name}") + configs << :initd + end + + if ::File.exist?("/etc/init/#{service_name}.conf") + configs << :upstart + end + + if ::File.exist?("/etc/xinetd.d/#{service_name}") + configs << :xinetd + end + + if ::File.exist?("/etc/rc.d/#{service_name}") + configs << :etc_rcd + end + + if ::File.exist?("/usr/local/etc/rc.d/#{service_name}") + configs << :usr_local_etc_rcd + end + + if ::File.exist?("/bin/systemctl") && platform_has_systemd_unit?(service_name) + configs << :systemd + end + + configs + end + + private + + def extract_systemd_services(output) + # first line finds e.g. "sshd.service" + services = output.lines.split.map { |l| l.split[0] } + # this splits off the suffix after the last dot to return "sshd" + services += services.map { |s| s.sub(/(.*)\..*/, '\1') } + end + + def platform_has_systemd_unit?(service_name) + services = extract_systemd_services(shell_out!("systemctl --all").stdout) + + extract_systemd_services(shell_out!("systemctl --list-unit-files").stdout) + services.include?(service_name) + end + end + end + end +end |