Class: CommonRestUtils

Inherits:
Object
  • Object
show all
Includes:
ConfigReader
Defined in:
lib/common.rb

Instance Method Summary collapse

Methods included from ConfigReader

#config_dir, #config_file, #imkdir, #mk_config_dir, #mk_user_dir, #param, #user_file

Constructor Details

#initialize(uri_prefix) ⇒ CommonRestUtils

Returns a new instance of CommonRestUtils.



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# File 'lib/common.rb', line 63

def initialize(uri_prefix)
  @uri_prefix = uri_prefix
  proxy = param("proxy")
  if proxy != ""
    RestClient.proxy = proxy
  end
  @headers = {:Content_type => "Application/json",
    :Authorization => "TOK:" + param("token"),
    :Accept => "Application/json"}
end

Instance Method Details

#callMethod(url_suffix, http_method, body = nil) ⇒ Object 



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# File 'lib/common.rb', line 8

def callMethod(url_suffix, http_method, body=nil)
  url = @uri_prefix + url_suffix
  if (body)
    json_body = JSON.pretty_generate body
  end
  begin
    response =
      case http_method
      when :put
        RestClient.put(url, json_body, @headers)
      when :get
        RestClient.get(url, @headers)
      when :post
        RestClient.post(url, json_body, @headers)
      when :delete
        RestClient.delete(url, @headers)
      else
        "unsupported http method:" + http_method
      end
  rescue Exception => e
    puts "Problem executing REST command to server " + param("rest_base_url")
    puts e.message
    puts "#{e.response}"
    proxy_auth_req = (e.message =~ /\A407 /)
    if e.message =~ /\A407 /
      ProxyCredentials.proxy_credentials param("proxy")
      if @proxy_retries && @proxy_retries > 3
        raise e.message + " too many retries"
      else
        @proxy_retries = @proxy_retries ? @proxy_retries + 1 : 1
        return callMethod(url_suffix, http_method, body)
      end  
    end
    exit
    if $debug
      puts "full URL is:" + url
      if (body)
        puts "body is: json_body"
      end
    end
    raise e.message + " (" + e.class.to_s + ")"
  end
  if ( ! response.nil? && response.respond_to?(:code) && response.code != 200)
    raise "Bad response code:" + response.code.to_s
  end
  if (response.length > 0)
    if $debug
      File.open("raw.json", "w").write(response)
    end
    JSON.parse response
  else
    nil
  end
end