def metric_path_for_cpu_load(sysname, cpu_name, interval):
tmpl = "{cpu}.{cpu_name}.loadavg{interval}min"
return tmpl.format(
cpu=metric_prefix_for_cpu(sysname),
cpu_name=escape_metric_name(cpu_name),
interval=escape_metric_name(str(interval)),
)
def get_multiple_cpu_load(items, time_interval):
"""
Gets the CPU load of netboxes, averaged over a time interval, and adds to
the load properties of the items.
:param items: A dictionary of {sysname: properties lazy_dict, ...}
:param time_interval: A dict(start=..., end=...) describing the desired
time interval in terms valid to Graphite web.
"""
target_map = {
escape_metric_name(sysname): netbox
for sysname, netbox in iteritems(items)
}
targets = []
for sysname, netbox in iteritems(items):
if not sysname:
continue
targets.extend([
'highestMax(%s,1)' % path
for path in (metric_path_for_cpu_load(sysname, '*', interval=5),
metric_path_for_cpu_utilization(sysname, '*'))
])
_logger.debug("getting %s graphite cpu targets in chunks", len(targets))
data = {}
for chunk in chunks(targets, METRIC_CHUNK_SIZE):
data.update(_get_metric_average(chunk, time_interval))
for key, value in iteritems(data):
for sysname, netbox in iteritems(target_map):
if sysname in key:
if not is_nan(value):
netbox['load'] = value
break
def metric_path_for_multicast_usage(group, sysname):
tmpl = "{group}.igmp_usage.{sysname}"
if hasattr(sysname, 'sysname'):
sysname = sysname.sysname
return tmpl.format(
group=metric_prefix_for_multicast_group(group),
sysname=escape_metric_name(sysname),
)
def metric_prefix_for_multicast_group(group):
tmpl = "nav.multicast.groups.{group}"
return tmpl.format(group=escape_metric_name(six.text_type(group)))
def metric_prefix_for_prefix(netaddr):
tmpl = "nav.prefixes.{netaddr}"
if hasattr(netaddr, 'net_address'):
netaddr = netaddr.net_address
return tmpl.format(netaddr=escape_metric_name(netaddr))
def metric_prefix_for_memory(sysname, memory_name):
tmpl = "{device}.memory.{memname}"
return tmpl.format(device=metric_prefix_for_device(sysname),
memname=escape_metric_name(memory_name))
def metric_prefix_for_interface(sysname, ifname):
tmpl = "{ports}.{ifname}"
return tmpl.format(ports=metric_prefix_for_ports(sysname),
ifname=escape_metric_name(ifname))
def metric_prefix_for_device(sysname):
tmpl = "nav.devices.{sysname}"
if hasattr(sysname, 'sysname'):
sysname = sysname.sysname
return tmpl.format(sysname=escape_metric_name(sysname))
def metric_prefix_for_prefix(netaddr):
tmpl = "nav.prefixes.{netaddr}"
if hasattr(netaddr, 'net_address'):
netaddr = netaddr.net_address
return tmpl.format(netaddr=escape_metric_name(netaddr))
def metric_path_for_interface(sysname, ifname, counter):
tmpl = "{interface}.{counter}"
return tmpl.format(interface=metric_prefix_for_interface(sysname, ifname),
counter=escape_metric_name(counter))
def metric_path_for_sensor(sysname, sensor):
tmpl = "{device}.sensors.{sensor}"
return tmpl.format(device=metric_prefix_for_device(sysname),
sensor=escape_metric_name(sensor))
def metric_path_for_interface(sysname, ifname, counter):
tmpl = "{interface}.{counter}"
return tmpl.format(interface=metric_prefix_for_interface(sysname, ifname),
counter=escape_metric_name(counter))
def metric_path_for_prefix(netaddr, metric_name):
tmpl = "{prefix}.{metric_name}"
return tmpl.format(prefix=metric_prefix_for_prefix(netaddr),
metric_name=escape_metric_name(metric_name))
def metric_path_for_cpu_utilization(sysname, cpu_name):
tmpl = "{cpu}.{cpu_name}.utilization"
return tmpl.format(cpu=metric_prefix_for_cpu(sysname),
cpu_name=escape_metric_name(cpu_name))
def metric_path_for_cpu_load(sysname, cpu_name, interval):
tmpl = "{cpu}.{cpu_name}.loadavg{interval}min"
return tmpl.format(cpu=metric_prefix_for_cpu(sysname),
cpu_name=escape_metric_name(cpu_name),
interval=escape_metric_name(str(interval)))
def metric_prefix_for_ipdevpoll_job(sysname, job_name):
tmpl = "{device}.ipdevpoll.{job_name}"
return tmpl.format(device=metric_prefix_for_device(sysname),
job_name=escape_metric_name(job_name))
def metric_prefix_for_ipdevpoll_job(sysname, job_name):
tmpl = "{device}.ipdevpoll.{job_name}"
return tmpl.format(device=metric_prefix_for_device(sysname),
job_name=escape_metric_name(job_name))
def metric_path_for_sensor(sysname, sensor):
tmpl = "{prefix}.{sensor}"
return tmpl.format(prefix=metric_prefix_for_sensors(sysname),
sensor=escape_metric_name(sensor))
def metric_path_for_cpu_utilization(sysname, cpu_name):
tmpl = "{cpu}.{cpu_name}.utilization"
return tmpl.format(cpu=metric_prefix_for_cpu(sysname),
cpu_name=escape_metric_name(cpu_name))
def metric_prefix_for_interface(sysname, ifname):
tmpl = "{ports}.{ifname}"
return tmpl.format(ports=metric_prefix_for_ports(sysname),
ifname=escape_metric_name(ifname))
def metric_path_for_prefix(netaddr, metric_name):
tmpl = "{prefix}.{metric_name}"
return tmpl.format(prefix=metric_prefix_for_prefix(netaddr),
metric_name=escape_metric_name(metric_name))
def metric_prefix_for_memory(sysname, memory_name):
tmpl = "{device}.memory.{memname}"
return tmpl.format(device=metric_prefix_for_device(sysname),
memname=escape_metric_name(memory_name))
def test_escape_metric_name(test_input, expected):
assert escape_metric_name(test_input) == expected
def metric_prefix_for_device(sysname):
tmpl = "nav.devices.{sysname}"
if hasattr(sysname, 'sysname'):
sysname = sysname.sysname
return tmpl.format(sysname=escape_metric_name(sysname))