def get_xen_event(uuid, client):
event_detail = None
get_xen_event = encode_to_bytes('data/host/{0}'.format(uuid))
try:
event_detail = xenstore.xenstore_read(get_xen_event, client, True)
except Exception as e:
log.error('Exception was caught reading xen event: {0}'.format(str(e)))
return event_detail
def get_provider(client=None):
provider = None
try:
provider_path = encode_to_bytes('vm-data/provider_data/provider')
provider = xenstore.xenstore_read(provider_path, client)
except Exception as e:
log.error('Exception occurred trying to get provider: {0}'.format(
str(e)))
log.info('Provider: {0}'.format(provider))
return provider
def get_hostname(client):
xen_hostname = None
try:
xen_hostname = xenstore.xenstore_read(b'vm-data/hostname', client)
if xen_hostname is None:
raise ValueError('Shell to xenstore-read for hostname failed')
except Exception:
xen_hostname = socket.gethostname()
log.info('Hostname: {0}'.format(xen_hostname))
return xen_hostname
def get_interface(mac_address, client):
interface = None
try:
get_interface = encode_to_bytes(
'vm-data/networking/{0}'.format(mac_address))
interface = json.loads(xenstore.xenstore_read(get_interface, client))
except Exception as e:
log.error('Exception was caught getting the interface: {0}'.format(
str(e)))
log.info('Interface {0}: {1}'.format(mac_address, interface))
return interface
