#!/usr/bin/python
# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2016 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
import sys
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
    sys.path.append(path)

import confluent.client as client


def print_mem_info(node, prefix, meminfo):
    capacity = meminfo['capacity_mb'] / 1024
    memdescfmt = '{0}GB PC'
    if meminfo['memory_type'] == 'DDR3 SDRAM':
        memdescfmt += '3-{1} '
    elif meminfo['memory_type'] == 'DDR4 SDRAM':
        memdescfmt += '4-{1} '
    if meminfo['ecc']:
        memdescfmt += 'ECC '
    memdescfmt += meminfo['module_type']
    memdesc = memdescfmt.format(capacity, meminfo['speed'])
    print('{0}: {1} description: {2}'.format(node, prefix, memdesc))
    print('{0}: {1} manufacturer: {2}'.format(
        node, prefix, meminfo['manufacturer']))
    print('{0}: {1} model: {2}'.format(node, prefix, meminfo['model']))
    print('{0}: {1} serial number: {2}'.format(node, prefix,
                                               meminfo['serial']))
    print('{0}: {1} manufacture date: {2}'.format(node, prefix,
                                                  meminfo['manufacture_date']))
    print('{0}: {1} manufacture location: {2}'.format(
        node, prefix, meminfo['manufacture_location']))


try:
    noderange = sys.argv[1]
except IndexError:
    sys.stderr.write(
        'Usage: {0} <noderange>\n'.format(
            sys.argv[0]))
    sys.exit(1)
try:
    session = client.Command()
    for res in session.read('/noderange/{0}/inventory/hardware/all/all'.format(
            noderange)):
        for node in res['databynode']:
            for inv in res['databynode'][node]['inventory']:
                prefix = inv['name']
                if not inv['present']:
                    print '{0}: {1}: Not Present'.format(node, prefix)
                    continue
                info = inv['information']
                info.pop('board_extra', None)
                info.pop('oem_parser', None)
                info.pop('chassis_extra', None)
                info.pop('product_extra', None)
                if 'memory_type' in info:
                    print_mem_info(node, prefix, info)
                    continue
                for datum in info:
                    if info[datum] is None:
                        continue
                    print('{0}: {1} {2}: {3}'.format(node, prefix, datum,
                                                     info[datum]))
    exitcode = 0
    sys.exit(
        session.simple_noderange_command(noderange, '/inventory/hardware/all/all'))
except KeyboardInterrupt:
    print('')