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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
nodes = []
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
request = Net::HTTP::Get.new(uri.request_uri, headers)
if (@cfg.user? && @cfg.pass?)
request.basic_auth(@cfg.user,@cfg.pass)
end
response = http.request(request)
data = JSON.parse(response.body)
data.each do |node|
next if node.empty?
# map node parameters
keys = {}
@cfg.map.each do |key, want_position|
want_positions = want_position.split('.')
keys[key.to_sym] = node_var_interpolate node.dig(*want_positions)
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|
want_positions = want_position.split('.')
vars[key.to_sym] = node_var_interpolate node.dig(*want_positions)
end
keys[:vars] = vars unless vars.empty?
nodes << keys
end
nodes
end
end
end
if RUBY_VERSION < '2.3'
class Hash
def dig(key, *rest)
value = self[key]
if value.nil? || rest.empty?
value
elsif value.respond_to?(:dig)
value.dig(*rest)
else # foo.bar.baz (bar exist but is not hash)
return nil
end
end
end
end
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