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Current File : //lib/python2.7/site-packages/salt/modules/drbd.py

# -*- coding: utf-8 -*-
'''
DRBD administration module
'''
from __future__ import absolute_import, print_function, unicode_literals

import logging

log = logging.getLogger(__name__)


def _analyse_overview_field(content):
    if "(" in content:
        # Output like "Connected(2*)" or "UpToDate(2*)"
        return content.split("(")[0], content.split("(")[0]
    elif "/" in content:
        # Output like "Primar/Second" or "UpToDa/UpToDa"
        return content.split("/")[0], content.split("/")[1]

    return content, ""


def overview():
    '''
    Show status of the DRBD devices, support two nodes only.

    CLI Example:

    .. code-block:: bash

        salt '*' drbd.overview
    '''
    cmd = 'drbd-overview'
    for line in __salt__['cmd.run'](cmd).splitlines():
        ret = {}
        fields = line.strip().split()
        minnum = fields[0].split(':')[0]
        device = fields[0].split(':')[1]
        connstate, _ = _analyse_overview_field(fields[1])
        localrole, partnerrole = _analyse_overview_field(fields[2])
        localdiskstate, partnerdiskstate = _analyse_overview_field(fields[3])
        if localdiskstate.startswith("UpTo"):
            if partnerdiskstate.startswith("UpTo"):
                if len(fields) >= 5:
                    mountpoint = fields[4]
                    fs_mounted = fields[5]
                    totalsize = fields[6]
                    usedsize = fields[7]
                    remainsize = fields[8]
                    perc = fields[9]
                    ret = {
                        'minor number': minnum,
                        'device': device,
                        'connection state': connstate,
                        'local role': localrole,
                        'partner role': partnerrole,
                        'local disk state': localdiskstate,
                        'partner disk state': partnerdiskstate,
                        'mountpoint': mountpoint,
                        'fs': fs_mounted,
                        'total size': totalsize,
                        'used': usedsize,
                        'remains': remainsize,
                        'percent': perc,
                    }
                else:
                    ret = {
                        'minor number': minnum,
                        'device': device,
                        'connection state': connstate,
                        'local role': localrole,
                        'partner role': partnerrole,
                        'local disk state': localdiskstate,
                        'partner disk state': partnerdiskstate,
                    }
            else:
                syncbar = fields[4]
                synced = fields[6]
                syncedbytes = fields[7]
                sync = synced+syncedbytes
                ret = {
                    'minor number': minnum,
                    'device': device,
                    'connection state': connstate,
                    'local role': localrole,
                    'partner role': partnerrole,
                    'local disk state': localdiskstate,
                    'partner disk state': partnerdiskstate,
                    'synchronisation: ': syncbar,
                    'synched': sync,
                }
    return ret

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