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require 'puppet/file_serving'
# The base class for Content and Metadata; provides common
# functionality like the behaviour around links.
class Puppet::FileServing::Base
# This is for external consumers to store the source that was used
# to retrieve the metadata.
attr_accessor :source
# Does our file exist?
def exist?
stat
return true
rescue => detail
return false
end
# Return the full path to our file. Fails if there's no path set.
def full_path(dummy_argument=:work_arround_for_ruby_GC_bug)
(if relative_path.nil? or relative_path == "" or relative_path == "."
path
else
File.join(path, relative_path)
end).gsub(%r{/+}, "/")
end
def initialize(path, options = {})
self.path = path
@links = :manage
options.each do |param, value|
begin
send param.to_s + "=", value
rescue NoMethodError
raise ArgumentError, "Invalid option #{param} for #{self.class}"
end
end
end
# Determine how we deal with links.
attr_reader :links
def links=(value)
value = value.to_sym
value = :manage if value == :ignore
raise(ArgumentError, ":links can only be set to :manage or :follow") unless [:manage, :follow].include?(value)
@links = value
end
# Set our base path.
attr_reader :path
def path=(path)
raise ArgumentError.new("Paths must be fully qualified") unless path =~ /^#{::File::SEPARATOR}/
@path = path
end
# Set a relative path; this is used for recursion, and sets
# the file's path relative to the initial recursion point.
attr_reader :relative_path
def relative_path=(path)
raise ArgumentError.new("Relative paths must not be fully qualified") if path =~ /^#{::File::SEPARATOR}/
@relative_path = path
end
# Stat our file, using the appropriate link-sensitive method.
def stat
@stat_method ||= self.links == :manage ? :lstat : :stat
File.send(@stat_method, full_path)
end
def to_pson_data_hash
{
# No 'document_type' since we don't send these bare
'data' => {
'path' => @path,
'relative_path' => @relative_path,
'links' => @links
},
'metadata' => {
'api_version' => 1
}
}
end
end
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