from NaServer import *
import syslog, logging, xmltodict, json, ConfigParser, os, json
from datetime import timedelta

# Set to DEBUG if stuff is broken
logging.basicConfig(level=logging.WARN)

config = ConfigParser.RawConfigParser()
cfg_file = 'cred.properties'
if(os.path.exists(cfg_file)):
    config.read(cfg_file)
else:
    syslog.syslog("ERROR - cred.properties not found")
    raise SystemExit

user = ''
pw = ''
cluster = ''


s = NaServer(cluster, 1, 20)
s.set_server_type("FILER")
s.set_transport_type("HTTP")
s.set_style("LOGIN")
s.set_admin_user(user, pw)

volume_list = NaElement('volume-get-iter')
volume_list.child_add_string('max-records', '10000')

filename_space_eff = str(cluster + '_volume_iter')

out = s.invoke_elem(volume_list)

if (out.results_status() == "failed"):
    raise SystemExit
if out.child_get_int("num-records") == "0":
    raise SystemExit

xml_parser = out.sprintf()
volume_data_dump = xmltodict.parse(xml_parser)

with open('%s.json' % filename_space_eff, 'w') as outfile:
        json.dump(volume_data_dump, outfile)