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# Daemontools service management
#
# author Brice Figureau <brice-puppet@daysofwonder.com>
Puppet::Type.type(:service).provide :runit, :parent => :daemontools do
desc <<-'EOT'
Runit service management.
This provider manages daemons running supervised by Runit.
When detecting the service directory it will check, in order of preference:
* `/service`
* `/etc/service`
* `/var/service`
The daemon directory should be in one of the following locations:
* `/etc/sv`
* `/var/lib/service`
or this can be overridden in the service resource parameters:
service { 'myservice':
provider => 'runit',
path => '/path/to/daemons',
}
This provider supports out of the box:
* start/stop
* enable/disable
* restart
* status
EOT
commands :sv => "/usr/bin/sv"
class << self
# this is necessary to autodetect a valid resource
# default path, since there is no standard for such directory.
def defpath
@defpath ||= ["/var/lib/service", "/etc/sv"].find do |path|
Puppet::FileSystem.exist?(path) && FileTest.directory?(path)
end
@defpath
end
end
# find the service dir on this node
def servicedir
unless @servicedir
["/service", "/etc/service","/var/service"].each do |path|
if Puppet::FileSystem.exist?(path)
@servicedir = path
break
end
end
raise "Could not find service directory" unless @servicedir
end
@servicedir
end
def status
begin
output = sv "status", self.daemon
return :running if output =~ /^run: /
rescue Puppet::ExecutionFailure => detail
unless detail.message =~ /(warning: |runsv not running$)/
raise Puppet::Error.new( "Could not get status for service #{resource.ref}: #{detail}", detail )
end
end
:stopped
end
def stop
sv "stop", self.service
end
def start
if enabled? != :true
enable
# Work around issue #4480
# runsvdir takes up to 5 seconds to recognize
# the symlink created by this call to enable
#TRANSLATORS 'runsvdir' is a linux service name and should not be translated
Puppet.info _("Waiting 5 seconds for runsvdir to discover service %{service}") % { service: self.service }
sleep 5
end
sv "start", self.service
end
def restart
sv "restart", self.service
end
# disable by removing the symlink so that runit
# doesn't restart our service behind our back
# note that runit doesn't need to perform a stop
# before a disable
def disable
# unlink the daemon symlink to disable it
Puppet::FileSystem.unlink(self.service) if Puppet::FileSystem.symlink?(self.service)
end
end
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