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module Oxidized
class HTTP < Source
def initialize
@cfg = Oxidized.config.source.http
super
end
def setup
if @cfg.url.empty?
raise NoConfig, 'no source http url config, edit ~/.config/oxidized/config'
end
end
require "net/http"
require "uri"
require "json"
def load node_want = nil
nodes = []
data = JSON.parse(read_http(node_want))
data = string_navigate(data, @cfg.hosts_location) if @cfg.hosts_location?
data.each do |node|
next if node.empty?
# map node parameters
keys = {}
@cfg.map.each do |key, want_position|
keys[key.to_sym] = node_var_interpolate string_navigate(node, want_position)
end
keys[:model] = map_model keys[:model] if keys.has_key? :model
# map node specific vars
vars = {}
@cfg.vars_map.each do |key, want_position|
vars[key.to_sym] = node_var_interpolate string_navigate(node, want_position)
end
keys[:vars] = vars unless vars.empty?
nodes << keys
end
nodes
end
private
def string_navigate object, wants
wants.split(".").map do |want|
head, match, _tail = want.partition(/\[\d+\]/)
match.empty? ? head : [head, match[1..-2].to_i]
end.flatten.each do |want|
object = object[want] if object.respond_to? :each
end
object
end
def read_http node_want
uri = URI.parse(@cfg.url)
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true if uri.scheme == 'https'
http.verify_mode = OpenSSL::SSL::VERIFY_NONE unless @cfg.secure
# map headers
headers = {}
@cfg.headers.each do |header, value|
headers[header] = value
end
req_uri = uri.request_uri
if node_want
req_uri = "#{req_uri}/#{node_want}"
end
request = Net::HTTP::Get.new(req_uri, headers)
if (@cfg.user? && @cfg.pass?)
request.basic_auth(@cfg.user, @cfg.pass)
end
http.request(request).body
end
end
end
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