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require 'puppet/util/cacher'
require 'puppet/file_serving/mount'
class Puppet::FileServing::Mount::File < Puppet::FileServing::Mount
class << self
include Puppet::Util::Cacher
cached_attr(:localmap) do
{ "h" => Facter.value("hostname"),
"H" => [Facter.value("hostname"),
Facter.value("domain")].join("."),
"d" => Facter.value("domain")
}
end
end
def complete_path(relative_path, node)
full_path = path(node)
raise ArgumentError.new("Mounts without paths are not usable") unless full_path
# If there's no relative path name, then we're serving the mount itself.
return full_path unless relative_path
file = ::File.join(full_path, relative_path)
if !(FileTest.exist?(file) or FileTest.symlink?(file))
Puppet.info("File does not exist or is not accessible: #{file}")
return nil
end
file
end
# Return an instance of the appropriate class.
def find(short_file, request)
complete_path(short_file, request.node)
end
# Return the path as appropriate, expanding as necessary.
def path(node = nil)
if expandable?
return expand(@path, node)
else
return @path
end
end
# Set the path.
def path=(path)
# FIXME: For now, just don't validate paths with replacement
# patterns in them.
if path =~ /%./
# Mark that we're expandable.
@expandable = true
else
raise ArgumentError, "#{path} does not exist or is not a directory" unless FileTest.directory?(path)
raise ArgumentError, "#{path} is not readable" unless FileTest.readable?(path)
@expandable = false
end
@path = path
end
def search(path, request)
return nil unless path = complete_path(path, request.node)
[path]
end
# Verify our configuration is valid. This should really check to
# make sure at least someone will be allowed, but, eh.
def validate
raise ArgumentError.new("Mounts without paths are not usable") if @path.nil?
end
private
# Create a map for a specific node.
def clientmap(node)
{
"h" => node.sub(/\..*$/, ""),
"H" => node,
"d" => node.sub(/[^.]+\./, "") # domain name
}
end
# Replace % patterns as appropriate.
def expand(path, node = nil)
# This map should probably be moved into a method.
map = nil
if node
map = clientmap(node)
else
Puppet.notice "No client; expanding '#{path}' with local host"
# Else, use the local information
map = localmap
end
path.gsub(/%(.)/) do |v|
key = $1
if key == "%"
"%"
else
map[key] || v
end
end
end
# Do we have any patterns in our path, yo?
def expandable?
if defined?(@expandable)
@expandable
else
false
end
end
# Cache this manufactured map, since if it's used it's likely
# to get used a lot.
def localmap
self.class.localmap
end
end
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