def show_by_host(self, req, tenant_id):
"""
list platform usage
"""
def get_zone_by_host(zones, host):
for zone in zones:
if host in zone["hosts"]:
return zone["zoneName"]
auth_token = req.headers.get("x-auth-token")
m = manager.Manager()
usages = m.request_usages(models.HOST_LEVEL)
hosts_capacity = ops_api.get_hosts_capacity(tenant_id, auth_token)
zones = ops_api.get_hosts_az(tenant_id, auth_token)
if "availability_zones" not in zones:
LOG.warn("availability_zones does not exists in zones(%s)" % zones)
zones = zones.get("availability_zones", [])
for v in usages:
# NOTE(hzzhoushaoyu): usages is a iterative value and here is only
# one item.
items = self._construct_usage(v)
result = []
for hostname in items:
value = items[hostname]
value.update(hostname=hostname)
value.update(hosts_capacity.get(hostname, {}))
zone_name = get_zone_by_host(zones, hostname)
value.update(availability_zone=zone_name)
# FIXME : This is a little ugly. when instances in the host
# doesn't use any floating ip, we need to set the
# ips_used number to 0. Currently I can't find a much
# proper place to do this thing.
if "private_ips_used" not in value.keys():
value.update(private_ips_used=0)
if "public_ips_used" not in value.keys():
value.update(public_ips_used=0)
result.append(value)
# Add statistics for hosts with no vms.
for hostname in hosts_capacity.keys():
already_counted = False
for value in result:
if value["hostname"] == hostname:
already_counted = True
break
if not already_counted:
value = {}
value.update(hostname=hostname)
value.update(hosts_capacity.get(hostname, {}))
value.update(private_ips_used=0)
value.update(public_ips_used=0)
zone_name = get_zone_by_host(zones, hostname)
value.update(availability_zone=zone_name)
result.append(value)
result = list_filter.filter_host_usages(req, result)
result = list_sort.sort_host_usage(req, result)
return dict(hosts=result)
