I updated my lab environment from oVirt 4.1.x to oVirt 4.2 Alpha

The hosted-engine command has been corrupted

An example:

hosted-engine --vm-status

Traceback (most recent call last):

  File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main

    "__main__", fname, loader, pkg_name)

  File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code

    exec code in run_globals

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/vm_status.py", line 213, in <module>

    if not status_checker.print_status ():

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/vm_status.py", line 110, in print_status

    all_host_stats = self._get_all_host_stats ()

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/vm_status.py", line 75, in _get_all_host_stats

    all_host_stats = ha_cli.get_all_host_stats ()

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 154, in get_all_host_stats

    return self.get_all_stats (self.StatModes.HOST)

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 99, in get_all_stats

    stats = broker.get_stats_from_storage (service)

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 147, in get_stats_from_storage

    for host_id, data in six.iteritems (result):

  File "/usr/lib/python2.7/site-packages/six.py", line 599, in iteritems

    return d.iteritems (** kw)

AttributeError: 'NoneType' object has no attribute 'iteritems'

hosted-engine --set-maintenance --mode = none

Traceback (most recent call last):

  File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main

    "__main__", fname, loader, pkg_name)

  File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code

    exec code in run_globals

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py", line 88, in <module>

    if not maintenance.set_mode (sys.argv [1]):

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py", line 76, in set_mode

    value = m_global,

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 240, in set_maintenance_mode

    str (value))

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 187, in set_global_md_flag

    all_stats = broker.get_stats_from_storage (service)

  File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 147, in get_stats_from_storage

    for host_id, data in six.iteritems (result):

  File "/usr/lib/python2.7/site-packages/six.py", line 599, in iteritems

    return d.iteritems (** kw)

AttributeError: 'NoneType' object has no attribute 'iteritems'

hosted-engine --vm-start

VM exists and its status is Up

Hardware

Manufacturer: HP

Family: ProLiant

Product Name: ProLiant BL460c Gen8

CPU Model Name: Intel (R) Xeon (R) CPU E5-2667 v2 @ 3.30GHz

CPU Type: Intel SandyBridge Family

CPU Sockets: 2

CPU Cores per Socket: 8

CPU Threads per Core: 2 (SMT Enabled)

Software:

OS Version: RHEL - 7 - 4.1708.el7.centos

OS Description: CentOS Linux 7 (Core)

Kernel Version: 4.12.0 - 1.el7.elrepo.x86_64

KVM Version: 2.9.0 - 16.el7_4.5.1

LIBVIRT Version: libvirt-3.2.0-14.el7_4.3

VDSM Version: vdsm-4.20.3-95.git0813890.el7.centos

SPICE Version: 0.12.8 - 2.el7.1

GlusterFS Version: glusterfs-3.12.1-2.el7

CEPH Version: librbd1-0.94.5-2.el7