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# Daemontools service management
#
# author Brice Figureau <brice-puppet@daysofwonder.com>
Puppet::Type.type(:service).provide :runit, :parent => :daemontools do
desc "Runit service management.
This provider manages daemons running supervised by Runit.
It tries to detect the service directory, with by order of preference:
* /service
* /var/service
* /etc/service
The daemon directory should be placed in a directory that can be
by default in:
* /etc/sv
or this can be overriden 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
"
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(dummy_argument=:work_arround_for_ruby_GC_bug)
unless @defpath
["/etc/sv", "/var/lib/service"].each do |path|
if FileTest.exist?(path)
@defpath = path
break
end
end
raise "Could not find the daemon directory (tested [/var/lib/service,/etc])" unless @defpath
end
@defpath
end
end
# find the service dir on this node
def servicedir
unless @servicedir
["/service", "/etc/service","/var/service"].each do |path|
if FileTest.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}" )
end
end
:stopped
end
def stop
sv "stop", self.service
end
def start
enable unless enabled? == :true
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
File.unlink(self.service) if FileTest.symlink?(self.service)
end
end
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