def report(args):
"""Run a one time report.
Reports usage in resource hours as well as current active stats.
:param args: argparse args
"""
conf = config.load(args.config_file)
nova = get_nova(conf)
usages = nova.usage.list(args.start, args.end, detailed=True)
r = UsageReport(usages)
tenant = args.tenant_id if args.tenant_id else 'all tenants'
title = "Report {0} to {1} for {2}:".format(args.start, args.end, tenant)
print ("\n\n{0}".format(title))
print ("VCPU Hours:\t{0}".format(
r.total_vcpu_usage(tenant_id=args.tenant_id)
))
print ("Ram MB Hours:\t{0}".format(
r.total_memory_mb_usage(tenant_id=args.tenant_id)
))
print ("Disk GB Hours:\t{0}".format(
r.total_local_gb_usage(tenant_id=args.tenant_id)
))
v, m, s = r.active_stats(tenant_id=args.tenant_id)
print ("\nActive stats:")
print ("VCPUS:\t\t{0}".format(v))
print ("Memory:\t\t{0} MB".format(m))
print ("Storage:\t{0} GB".format(s))
exit()
def agent(args):
"""Run a long running polling agent.
Periodically updates the database with timeseries active stat data.
:param args: argparse args
"""
conf = config.load(args.config_file)
nova = get_nova(conf)
database.get_engine(conf.get('db', {}))
detailed = True
# Special all tenant.
all_tenant_id = '0' * 32
# Init last poll time to 0 to trigger first poll
last_polled = 0
while True:
if time.time() - last_polled > conf.get('polling_interval', 120):
with database.session_scope() as session:
start, end = utils.get_date_interval()
# Grab usage results
usages = nova.usage.list(start, end, detailed=detailed)
r = UsageReport(usages)
# Get datetime for time value
now = utils.get_now()
# Iterate over all tenants
for tenant_usage in usages:
# Ensure tenant is in tenant table
tenant_id = tenant_usage.tenant_id
tenant = Tenant.get_or_create(session, tenant_id)
session.commit()
# Get tenant stats and add to session
v, m, s = r.active_stats(tenant_id=tenant_id)
session.add(ActiveVCPUS(
value=v, time=now, tenant_id=tenant.id
))
session.add(ActiveMemoryMB(
value=m, time=now, tenant_id=tenant.id
))
session.add(ActiveLocalStorageGB(
value=s, time=now, tenant_id=tenant.id
))
# Save all tenant stats
v, m, s = r.active_stats()
print ("Active vcpus", v)
print ("Active memory MB", m)
print ("Active storage GB", s)
all_tenant = Tenant.get_or_create(session, all_tenant_id)
session.commit()
session.add(ActiveVCPUS(
value=v, time=now, tenant_id=all_tenant.id
))
session.add(ActiveMemoryMB(
value=m, time=now, tenant_id=all_tenant.id
))
session.add(ActiveLocalStorageGB(
value=s, time=now, tenant_id=all_tenant.id
))
last_polled = time.time()
print ("Updating polling interval")
time.sleep(1)
exit()