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|
Puppet::Type.type(:package).provide :yum, :parent => :rpm, :source => :rpm do
desc "Support via ``yum``."
has_feature :versionable
commands :yum => "yum", :rpm => "rpm", :python => "python"
YUMHELPER = File::join(File::dirname(__FILE__), "yumhelper.py")
class << self
attr_reader :updates
end
if command('rpm')
confine :true => begin
rpm('--version')
rescue Puppet::ExecutionFailure
false
else
true
end
end
defaultfor :operatingsystem => [:fedora, :centos, :redhat]
def self.prefetch(packages)
@updates = {}
if Process.euid != 0
raise Puppet::Error, "The yum provider can only be used as root"
end
super
python(YUMHELPER).each_line do |l|
l.chomp!
next if l.empty?
if l[0,4] == "_pkg"
hash = nevra_to_hash(l[5..-1])
[hash[:name], "#{hash[:name]}.#{hash[:arch]}"].each do |n|
@updates[n] ||= []
@updates[n] << hash
end
end
end
end
def install
should = @resource.should(:ensure)
self.debug "Ensuring => #{should}"
wanted = @resource[:name]
# XXX: We don't actually deal with epochs here.
case should
when true, false, Symbol
# pass
should = nil
else
# Add the package version
wanted += "-%s" % should
end
output = yum "-d", "0", "-e", "0", "-y", :install, wanted
is = self.query
unless is
raise Puppet::Error, "Could not find package %s" % self.name
end
# FIXME: Should we raise an exception even if should == :latest
# and yum updated us to a version other than @param_hash[:ensure] ?
if should && should != is[:ensure]
raise Puppet::Error, "Failed to update to version #{should}, got version #{is[:ensure]} instead"
end
end
# What's the latest package version available?
def latest
upd = self.class.updates[@resource[:name]]
unless upd.nil?
# FIXME: there could be more than one update for a package
# because of multiarch
upd = upd[0]
return "#{upd[:version]}-#{upd[:release]}"
else
# Yum didn't find updates, pretend the current
# version is the latest
if properties[:ensure] == :absent
raise Puppet::DevError, "Tried to get latest on a missing package"
end
return properties[:ensure]
end
end
def update
# Install in yum can be used for update, too
self.install
end
end
# $Id$
|
