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require 'puppet/module'
require 'puppet/parser/parser'
# This is a silly central module for finding
# different kinds of files while parsing. This code
# doesn't really belong in the Puppet::Module class,
# but it doesn't really belong anywhere else, either.
module Puppet::Parser::Files
module_function
# Return a list of manifests (as absolute filenames) that match +pat+
# with the current directory set to +cwd+. If the first component of
# +pat+ does not contain any wildcards and is an existing module, return
# a list of manifests in that module matching the rest of +pat+
# Otherwise, try to find manifests matching +pat+ relative to +cwd+
def find_manifests(start, options = {})
cwd = options[:cwd] || Dir.getwd
module_name, pattern = split_file_path(start)
begin
if mod = Puppet::Module.find(module_name, options[:environment])
return mod.match_manifests(pattern)
end
rescue Puppet::Module::InvalidName
# Than that would be a "no."
end
abspat = File::expand_path(start, cwd)
files = Dir.glob(abspat).reject { |f| FileTest.directory?(f) }
if files.size == 0
files = Dir.glob(abspat + ".pp").reject { |f| FileTest.directory?(f) }
end
return files
end
# Find the concrete file denoted by +file+. If +file+ is absolute,
# return it directly. Otherwise try to find it as a template in a
# module. If that fails, return it relative to the +templatedir+ config
# param.
# In all cases, an absolute path is returned, which does not
# necessarily refer to an existing file
def find_template(template, environment = nil)
if template =~ /^#{File::SEPARATOR}/
return template
end
if template_paths = templatepath(environment)
# If we can find the template in :templatedir, we return that.
template_paths.collect { |path|
File::join(path, template)
}.each do |f|
return f if FileTest.exist?(f)
end
end
# check in the default template dir, if there is one
if td_file = find_template_in_module(template, environment)
return td_file
end
return nil
end
def find_template_in_module(template, environment = nil)
path, file = split_file_path(template)
# Because templates don't have an assumed template name, like manifests do,
# we treat templates with no name as being templates in the main template
# directory.
return nil unless file
if mod = Puppet::Module.find(path, environment) and t = mod.template(file)
return t
end
nil
end
# Return an array of paths by splitting the +templatedir+ config
# parameter.
def templatepath(environment = nil)
dirs = Puppet.settings.value(:templatedir, environment).split(":")
dirs.select do |p|
File::directory?(p)
end
end
# Split the path into the module and the rest of the path, or return
# nil if the path is empty or absolute (starts with a /).
# This method can return nil & anyone calling it needs to handle that.
def split_file_path(path)
path.split(File::SEPARATOR, 2) unless path =~ /^(#{File::SEPARATOR}|$)/
end
end
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