Cleanup a NexentaStor device

cleanup.py

#!/usr/bin/env python

import sys
import NZA

def delete_volumes_in_pool(pool):
    print "Removing volumes in pool %s..." % pool
    volumes = NZA.nms.zvol.get_names_by_prop('volume_name', pool, '')
    for volume in volumes:
        try:
            name = NZA.nms.zvol.get_child_prop(volume, 'name')
            NZA.nms.zvol.destroy(name, "-R")
        except:
            pass

def delete_target_groups():
    print "Removing target groups..."
    tgs = NZA.nms.stmf.list_targetgroups()
    for tg in tgs:
        try:
            NZA.nms.stmf.destroy_targetgroup(tg)
        except:
            pass

def delete_targets():
    print "Removing targets..."
    targets = NZA.nms.iscsitarget.get_names('')
    for target in targets:
        try:
            NZA.nms.iscsi.remove_target(target)
        except:
            pass

def delete_initiator_groups():
    print "Removing initiator groups..."
    igs = NZA.nms.stmf.list_hostgroups()
    for ig in igs:
        try:
            NZA.nms.stmf.destroy_hostgroup(ig)
        except:
            pass

def delete_initiators():
    print "Removing initiators..."
    initiators = NZA.nms.iscsitarget.list_initiators()
    for initiator in initiators:
        try:
            name = initiator["initiator_name"]
            NZA.nms.iscsitarget.delete_initiator(name)
        except:
            pass

if __name__ == '__main__':
    if NZA.initialize() != True:
        sys.exit(1)
    
    pools = NZA.nms.volume.get_names('')
    for pool in pools:
        pool_name = NZA.nms.volume.get_child_prop(pool, 'name')
        delete_volumes_in_pool(pool_name)

    delete_targets()
    delete_target_groups()
    delete_initiators()
    delete_initiator_groups()