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require 'puppet/provider/parsedfile'
Puppet::Type.type(:host).provide :parsed, :parent => Puppet::Provider::ParsedFile do
@path = "/etc/hosts"
@filetype = Puppet::FileType.filetype(:flat)
confine :exists => @path
# Parse a host file
#
# This method also stores existing comments, and it stores all host
# jobs in order, mostly so that comments are retained in the order
# they were written and in proximity to the same jobs.
def self.parse(text)
count = 0
instances = []
text.chomp.split("\n").each { |line|
hash = {}
case line
when /^#/, /^\s*$/:
# add comments and blank lines to the list as they are
instances << line
else
if line.sub!(/^(\S+)\s+(\S+)\s*/, '')
hash[:ip] = $1
hash[:name] = $2
unless line == ""
line.sub!(/\s*/, '')
line.sub!(/^([^#]+)\s*/) do |value|
aliases = $1
unless aliases =~ /^\s*$/
hash[:alias] = aliases.split(/\s+/)
end
""
end
end
else
raise Puppet::Error, "Could not match '%s'" % line
end
if hash[:alias] == ""
hash.delete(:alias)
end
instances << hash
count += 1
end
}
return instances
end
# Convert the current object into a host-style string.
def self.to_record(hash)
[:ip, :name].each do |n|
unless hash.has_key? n
raise ArgumentError, "%s is a required attribute for hosts" % n
end
end
str = "%s\t%s" % [hash[:ip], hash[:name]]
if hash.include? :alias
if hash[:alias].is_a? Array
str += "\t%s" % hash[:alias].join("\t")
else
raise ArgumentError, "Aliases must be specified as an array"
end
end
str
end
end
# $Id$
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