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|
module Oxidized
class HTTP < Source
def initialize
@cfg = CFG.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'
# map headers
headers = {}
@cfg.headers.each do |header, value|
headers[header] = value
end
request = Net::HTTP::Get.new(uri.request_uri, headers)
response = http.request(request)
data = JSON.parse(response.body)
data.each do |line|
next if line.empty?
# map node parameters
keys = {}
@cfg.map.each do |key, position|
keys[key.to_sym] = line[position]
end
keys[:model] = map_model keys[:model] if keys.key? :model
# map node specific vars, empty value is considered as nil
vars = {}
@cfg.vars_map.each { |key, position| vars[key.to_sym] = line[position].to_s.empty? ? nil : line[position] }
keys[:vars] = vars unless vars.empty?
nodes << keys
end
nodes
end
end
end
|
