I am thinking about loading some paramters from a external file for my
souces. Eg,
class test {
## set parameters.
load_from_yaml("puppet:///modules/test/config.yaml")
}
I already have a simple function which can load from the abspath
module Puppet::Parser::Functions
newfunction(:load_from_yaml) do |args|
unless args.length == 1
raise Puppet::ParseError, ("loadyaml(): wrong number of
arguments (#{args.length}; must be 1)")
end
path = args[0]
raise Puppet::ParseError, ("path must be absolute") unless
Puppet::Util.absolute_path?(path)
params = YAML.load_file(path)
params.each do |param, value|
setvar(param, value)
end
end
end
supporting puppet url format would be a great help here.
On Tuesday, November 13, 2012 4:48:15 AM UTC+8, Jeff McCune wrote:
>
> On Sat, Nov 10, 2012 at 9:22 AM, woosley. xu. <[email protected]<javascript:>
> > wrote:
>
>> Hi all,
>> I want to parse the puppet url in my customizes functions. Eg,
>>
>>
>> module Puppet::Parser::Functions
>> newfunction(:load_file, ) do |arg|
>> path = get_real_path(arg[0])
>> load_file_content(path)
>> end
>> end
>>
>>
>> suppose arg[0] is a puppet file url:
>> puppt:///module/someModule/fileName.yaml, how can I parse this url and get
>> the real os path of that file?
>>
>>
> There isn't really a good and reliable way I can think of to do this.
> Functions are executed when a catalog is being compiled, but there is no
> guarantee that the host compiling a catalog is also the same host that will
> serve up file content and metadata. In multiple-master configurations the
> fileserver puppet master processes are often running on different hosts
> than the catalog compiler puppet master processes.
>
> What problem are you trying to solve? Perhaps there is another approach
> that does not require translating Puppet URI's to real paths.
>
> -Jeff
>
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