def get_target_info(self, volume):
LOG.debug("Searching first iscsi port ip without wan in K2.")
iscsi_ip_rs = self.client.search("system/net_ips")
iscsi_portals = target_iqns = None
if hasattr(iscsi_ip_rs, 'hits') and iscsi_ip_rs.total != 0:
iscsi_portals = [
'%s:%s' % (ip.ip_address, ISCSI_TCP_PORT)
for ip in iscsi_ip_rs.hits if not ip.wan_port
]
if not iscsi_portals:
msg = _("Unable to get ISCSI IP address from K2.")
LOG.error(msg)
raise common.KaminarioCinderDriverException(reason=msg)
LOG.debug("Searching system state for target iqn in K2.")
sys_state_rs = self.client.search("system/state")
if hasattr(sys_state_rs, 'hits') and sys_state_rs.total != 0:
iqn = sys_state_rs.hits[0].iscsi_qualified_target_name
target_iqns = [iqn] * len(iscsi_portals)
if not target_iqns:
msg = _("Unable to get target iqn from K2.")
LOG.error(msg)
raise common.KaminarioCinderDriverException(reason=msg)
return iscsi_portals, target_iqns
def _get_host_object(self, connector):
host_name = self.get_initiator_host_name(connector)
LOG.debug("Searching initiator hostname: %s in K2.", host_name)
host_rs = self.client.search("hosts", name=host_name)
"""Create a host if not exists."""
if host_rs.total == 0:
try:
LOG.debug("Creating initiator hostname: %s in K2.", host_name)
host = self.client.new("hosts", name=host_name,
type="Linux").save()
LOG.debug("Adding iqn: %(iqn)s to host: %(host)s in K2.", {
'iqn': connector['initiator'],
'host': host_name
})
iqn = self.client.new("host_iqns",
iqn=connector['initiator'],
host=host)
iqn.save()
except Exception as ex:
self._delete_host_by_name(host_name)
LOG.exception("Unable to create host: %s in K2.", host_name)
raise common.KaminarioCinderDriverException(reason=ex)
else:
LOG.debug("Use existing initiator hostname: %s in K2.", host_name)
host = host_rs.hits[0]
return host, host_rs, host_name
def _get_host_object(self, connector):
host_name = self.get_initiator_host_name(connector)
LOG.debug("Searching initiator hostname: %s in K2.", host_name)
host_rs = self.client.search("hosts", name=host_name)
host_wwpns = connector['wwpns']
if host_rs.total == 0:
try:
LOG.debug("Creating initiator hostname: %s in K2.", host_name)
host = self.client.new("hosts", name=host_name,
type="Linux").save()
except Exception as ex:
LOG.exception("Unable to create host : %s in K2.", host_name)
raise common.KaminarioCinderDriverException(reason=ex)
else:
# Use existing host.
LOG.debug("Use existing initiator hostname: %s in K2.", host_name)
host = host_rs.hits[0]
# Adding host wwpn.
for wwpn in host_wwpns:
wwpn = ":".join([wwpn[i:i + 2] for i in range(0, len(wwpn), 2)])
if self.client.search("host_fc_ports", pwwn=wwpn,
host=host).total == 0:
LOG.debug("Adding wwpn: %(wwpn)s to host: "
"%(host)s in K2.", {
'wwpn': wwpn,
'host': host_name
})
try:
self.client.new("host_fc_ports", pwwn=wwpn,
host=host).save()
except Exception as ex:
if host_rs.total == 0:
self._delete_host_by_name(host_name)
LOG.exception(
"Unable to add wwpn : %(wwpn)s to "
"host: %(host)s in K2.", {
'wwpn': wwpn,
'host': host_name
})
raise common.KaminarioCinderDriverException(reason=ex)
return host, host_rs, host_name
def get_target_info(self, volume):
LOG.debug("Searching target wwpns in K2.")
fc_ports_rs = self.client.search("system/fc_ports")
target_wwpns = []
if hasattr(fc_ports_rs, 'hits') and fc_ports_rs.total != 0:
for port in fc_ports_rs.hits:
if port.pwwn:
target_wwpns.append((port.pwwn).replace(':', ''))
if not target_wwpns:
msg = _("Unable to get FC target wwpns from K2.")
LOG.error(msg)
raise common.KaminarioCinderDriverException(reason=msg)
return target_wwpns
