Method: CloudstackClient::Connection#send_request

Defined in:
lib/cloudstack_client/client.rb

#send_request(params) ⇒ Object

Sends a synchronous request to the CloudStack API and returns the response as a Hash.

The wrapper element of the response (e.g. mycommandresponse) is discarded and the contents of that element are returned.



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# File 'lib/cloudstack_client/client.rb', line 40

def send_request(params)
  params['response'] = 'json'
  params['apiKey'] = @api_key

  params_arr = []
  params.sort.each { |elem|
    params_arr << elem[0].to_s + '=' + CGI.escape(elem[1].to_s).gsub('+', '%20').gsub(' ','%20')
  }

  debug_output JSON.pretty_generate(params) if @debug

  data = params_arr.join('&')
  signature = OpenSSL::HMAC.digest('sha1', @secret_key, data.downcase)
  signature = Base64.encode64(signature).chomp
  signature = CGI.escape(signature)

  url = "#{@api_url}?#{data}&signature=#{signature}"

  uri = URI.parse(url)
  http = Net::HTTP.new(uri.host, uri.port)

  if uri.scheme == 'https'
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end

  begin
    response = http.request(Net::HTTP::Get.new(uri.request_uri))
  rescue
    puts "Error connecting to API:"
    puts "#{@api_url} is not reachable"
    exit 1
  end


  if response.is_a? Net::HTTPOK
    begin
      json = JSON.parse(response.body)
      json = json[params['command'].downcase + 'response']
    rescue JSON::ParserError
      puts "Error parsing response from server:"
      puts response.body
      exit 2
    end
  else
    begin
      json = JSON.parse(response.body)
      puts "Error executing command..."
      puts json if @debug
      json = json[params['command'].downcase + 'response']
      puts "#{json['errorcode']}: #{json['errortext']}"
    rescue
      puts "Error parsing response from server..."
      puts "#{response.code}: #{response.body}"
    end
    exit 3
  end
end