snapomatic.discover

#! /usr/bin/python3
import sys
pythonversion=sys.version_info
if pythonversion[0] != 3 or pythonversion[1] < 6:
    print("This script requires Python 3.6 or higher")
    sys.exit(1)
import os
sys.path.append(sys.path[0] + "/NTAPlib")
import discoverPaths
import userio

snapomaticversion='dev'

validoptions={'target':'multistr',
              'debug':'bool', \
              'multipaths':'bool', \
              'restdebug':'bool'}

usage="Version " + snapomaticversion + "\n" + \
      "discover --target [filesystem or LUN]\n" + \
      "        [--multipaths]\n" + \
      "        (show /etc/multipath.conf template)\n" + \
      "        [--debug]\n" + \
      "        (show debug output)\n"

myopts=userio.validateoptions(sys.argv,validoptions,usage=usage)

debug=0
if myopts.debug:
    debug=debug+1
if myopts.restdebug:
    debug=debug+2

mypaths=discoverPaths.discoverPaths(myopts.target,multipath=myopts.multipaths,debug=debug)
mypaths.go()

paths=list(mypaths.paths.keys())
paths.sort()
multipaths=[]
pathgrid=[['path','mountpoint','fs','vg','lv','pv','SVM','export','volume','lun']]
for path in paths:
    if mypaths.paths[path]['fstype'] in ['xfs']:
        pvs=list(mypaths.vgs[mypaths.paths[path]['device'][0]]['pvs'].keys())
        pathgrid.append([path,
                         mypaths.paths[path]['mountpoint'],
                         mypaths.paths[path]['fstype'],
                         mypaths.paths[path]['device'][0],
                         mypaths.paths[path]['device'][1],
                         pvs[0],
                         mypaths.luns[pvs[0]].svm['name'],
                         '',
                         mypaths.luns[pvs[0]].volume,
                         mypaths.luns[pvs[0]].path.split('/')[-1]])
        for x in range(1,len(pvs)):
            pathgrid.append(['','','','','',
                             pvs[x],
                             mypaths.luns[pvs[x]].svm['name'],
                             '',
                             mypaths.luns[pvs[x]].volume,
                             mypaths.luns[pvs[x]].path.split('/')[-1],
                             '',''])
    elif mypaths.paths[path]['fstype'] in ['nfs','nfs4']:
        for vol in mypaths.nfsvolumes[mypaths.paths[path]['device']]['volumes'].keys():
            pathgrid.append([path,
                             mypaths.paths[path]['mountpoint'],
                             mypaths.paths[path]['fstype'],
                             '','','',
                             mypaths.nfsvolumes[mypaths.paths[path]['device']]['volumes'][vol]['svm']['name'],
                             mypaths.nfsvolumes[mypaths.paths[path]['device']]['volumes'][vol]['junction-path'],
                             mypaths.nfsvolumes[mypaths.paths[path]['device']]['volumes'][vol]['name'],
                             ''])
    elif mypaths.paths[path]['fstype'] == 'block':
        pathgrid.append([path,
                         '',
                         mypaths.paths[path]['fstype'],
                         '','','',
                         mypaths.luns[mypaths.paths[path]['device']].svm['name'],
                         '',
                         mypaths.luns[mypaths.paths[path]['device']].volume,
                         mypaths.luns[mypaths.paths[path]['device']].path.split('/')[-1]])

    
        if myopts.multipaths:
            if mypaths.luns[mypaths.paths[path]['device']].wwid:
                multipaths.append('    multipath {')
                multipaths.append('        wwid  ' + mypaths.luns[mypaths.paths[path]['device']].wwid)
                multipaths.append('        alias ' + mypaths.luns[mypaths.paths[path]['device']].volume + \
                                                     "_" + \
                                                     mypaths.luns[mypaths.paths[path]['device']].path.split('/')[-1])
                multipaths.append('    }')

    
if len(mypaths.unknown) > 0:
    for item in mypaths.unknown:
        pathgrid.append([item,'?','?','?','?','?','?','?','?','?'])  

userio.grid(pathgrid)

if myopts.multipaths:
    userio.message("multipaths {")
    userio.message(multipaths)
    userio.message("}")