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require 'net/http'
require 'uri'
# Access objects via REST
class Puppet::Indirector::REST < Puppet::Indirector::Terminus
# Figure out the content type, turn that into a format, and use the format
# to extract the body of the response.
def deserialize(response, multiple = false)
case response.code
when "404"
return nil
when /^2/
unless response['content-type']
raise "No content type in http response; cannot parse"
end
# Convert the response to a deserialized object.
if multiple
model.convert_from_multiple(response['content-type'], response.body)
else
model.convert_from(response['content-type'], response.body)
end
else
# Raise the http error if we didn't get a 'success' of some kind.
message = "Server returned %s: %s" % [response.code, response.message]
raise Net::HTTPError.new(message, response)
end
end
# Provide appropriate headers.
def headers
{"Accept" => model.supported_formats.join(", ")}
end
def network(request)
if request.key =~ /^\w+:\/\// # it looks like a URI
begin
uri = URI.parse(URI.escape(request.key))
rescue => detail
raise ArgumentError, "Could not understand URL %s: %s" % [source, detail.to_s]
end
server = uri.host || Puppet[:server]
port = uri.port.to_i == 0 ? Puppet[:masterport].to_i : uri.port.to_i
else
server = Puppet[:server]
port = Puppet[:masterport].to_i
end
Puppet::Network::HttpPool.http_instance(server, port)
end
def find(request)
deserialize network(request).get("/#{indirection.name}/#{request.key}#{query_string(request)}", headers)
end
def search(request)
if request.key
path = "/#{indirection.name}s/#{request.key}#{query_string(request)}"
else
path = "/#{indirection.name}s#{query_string(request)}"
end
unless result = deserialize(network(request).get(path, headers), true)
return []
end
return result
end
def destroy(request)
raise ArgumentError, "DELETE does not accept options" unless request.options.empty?
deserialize network(request).delete("/#{indirection.name}/#{request.key}", headers)
end
def save(request)
raise ArgumentError, "PUT does not accept options" unless request.options.empty?
deserialize network(request).put("/#{indirection.name}/", request.instance.render, headers)
end
private
# Create the qurey string, if options are present.
def query_string(request)
return "" unless request.options and ! request.options.empty?
"?" + request.options.collect { |key, value| "%s=%s" % [key, value] }.join("&")
end
end
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