def time_series(client: Client, service: GCPService) -> Iterable[Result]:
now = time.time()
seconds = int(now)
nanos = int((now - seconds) * 10**9)
interval = monitoring_v3.TimeInterval({
"end_time": {
"seconds": seconds,
"nanos": nanos
},
"start_time": {
"seconds": (seconds - 1200),
"nanos": nanos
},
})
for metric in service.metrics:
filter_rule = f'metric.type = "{metric.name}"'
request = {
"name": f"projects/{client.project}",
"filter": filter_rule,
"interval": interval,
"view": monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.FULL,
"aggregation": monitoring_v3.Aggregation(metric.aggregation),
}
try:
results = client.monitoring().list_time_series(request=request)
except Exception as e:
raise RuntimeError(metric.name) from e
for ts in results:
yield Result(ts=ts)
def list_time_series_reduce(project_id):
# [START monitoring_read_timeseries_reduce]
client = monitoring_v3.MetricServiceClient()
project_name = f"projects/{project_id}"
now = time.time()
seconds = int(now)
nanos = int((now - seconds) * 10 ** 9)
interval = monitoring_v3.TimeInterval(
{
"end_time": {"seconds": seconds, "nanos": nanos},
"start_time": {"seconds": (seconds - 3600), "nanos": nanos},
}
)
aggregation = monitoring_v3.Aggregation(
{
"alignment_period": {"seconds": 1200}, # 20 minutes
"per_series_aligner": monitoring_v3.Aggregation.Aligner.ALIGN_MEAN,
"cross_series_reducer": monitoring_v3.Aggregation.Reducer.REDUCE_MEAN,
"group_by_fields": ["resource.zone"],
}
)
results = client.list_time_series(
request={
"name": project_name,
"filter": 'metric.type = "compute.googleapis.com/instance/cpu/utilization"',
"interval": interval,
"view": monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.FULL,
"aggregation": aggregation,
}
)
for result in results:
print(result)
def time_series(client: Client, service: GCPService) -> Iterable[Result]:
now = time.time()
seconds = int(now)
nanos = int((now - seconds) * 10**9)
interval = monitoring_v3.TimeInterval({
"end_time": {
"seconds": seconds,
"nanos": nanos
},
"start_time": {
"seconds": (seconds - 1200),
"nanos": nanos
},
})
for metric in service.metrics:
# TODO: actually filter by service filter/labels
filter_rule = f'metric.type = "{metric.name}"'
results = client.list_time_series(
request={
"filter": filter_rule,
"interval": interval,
"view":
monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.FULL,
"aggregation": monitoring_v3.Aggregation(metric.aggregation),
})
for ts in results:
yield Result(ts=ts)
def test_metric_requests(interval: monitoring_v3.TimeInterval):
metric = agent_gcp.Metric(
name="compute.googleapis.com/instance/uptime",
aggregation=agent_gcp.Aggregation(
per_series_aligner=Aligner.ALIGN_MAX,
cross_series_reducer=Reducer.REDUCE_NONE),
)
request = metric.request(interval=interval,
groupby="resource.thisone",
project="fun")
expected = {
"name":
"projects/fun",
"filter":
'metric.type = "compute.googleapis.com/instance/uptime"',
"interval":
interval,
"view":
monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.FULL,
"aggregation":
monitoring_v3.Aggregation({
"alignment_period": {
"seconds": 60
},
"group_by_fields": ["resource.thisone"],
"per_series_aligner": Aligner.ALIGN_MAX,
"cross_series_reducer": Reducer.REDUCE_NONE,
}),
}
assert request == expected
def to_obj(self, default_groupby: str) -> monitoring_v3.Aggregation:
groupbyfields = [default_groupby]
groupbyfields.extend(self.group_by_fields)
return monitoring_v3.Aggregation({
"alignment_period": {
"seconds": self.alignment_period
},
"group_by_fields":
groupbyfields,
"per_series_aligner":
self.per_series_aligner,
"cross_series_reducer":
self.cross_series_reducer,
})
def get_avg_cpu_cores(project_id, GKE_project_id, start_time, end_time, alignment_period_seconds):
client = monitoring_v3.MetricServiceClient()
project_name = f"projects/{project_id}"
start = datetime.datetime.strptime(start_time, '%Y-%m-%d_%H:%M:%S')
end = datetime.datetime.strptime(end_time, '%Y-%m-%d_%H:%M:%S')
interval = monitoring_v3.TimeInterval(
{
"end_time": {"seconds": int(end.timestamp())},
"start_time": {"seconds": int(start.timestamp())},
}
)
aggregation = monitoring_v3.Aggregation(
{
"alignment_period": {"seconds": alignment_period_seconds},
"per_series_aligner": monitoring_v3.Aggregation.Aligner.ALIGN_MEAN,
"cross_series_reducer": monitoring_v3.Aggregation.Reducer.REDUCE_SUM,
}
)
cpu_cores = 0
with tracer.start_span(name=f"{app_name} get {GKE_project_id}'s metrics") as trace_span:
results = client.list_time_series(
request={
"name": project_name,
"filter": 'metric.type = "kubernetes.io/node/cpu/total_cores" AND resource.type="k8s_node" AND project= ' +
GKE_project_id,
"interval": interval,
"view": monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.FULL,
"aggregation": aggregation,
}
)
total = 0.0
for result in results:
logger.log_text(f"data points collected: {len(result.points)}", severity=LOG_SEVERITY_DEBUG)
for point in result.points:
total += point.value.double_value
cpu_cores += total / len(result.points)
return cpu_cores
def test_request_parameters_maximal(self):
T0 = datetime.datetime(2016, 4, 7, 2, 0, 0)
T1 = datetime.datetime(2016, 4, 7, 2, 30, 0)
ALIGNER = "ALIGN_DELTA"
MINUTES, SECONDS, PERIOD_IN_SECONDS = 1, 30, 90
REDUCER = "REDUCE_MEAN"
FIELD1, FIELD2 = "resource.zone", "metric.instance_name"
PAGE_SIZE = 100
client = self._create_client()
query = self._make_one(client, PROJECT, METRIC_TYPE)
query = query.select_interval(start_time=T0, end_time=T1)
query = query.align(ALIGNER, minutes=MINUTES, seconds=SECONDS)
query = query.reduce(REDUCER, FIELD1, FIELD2)
actual = query._build_query_params(headers_only=True,
page_size=PAGE_SIZE)
expected = {
"name":
"projects/%s" % PROJECT,
"filter":
'metric.type = "{type}"'.format(type=METRIC_TYPE),
"interval":
self._make_interval(T1, T0),
"aggregation":
monitoring_v3.Aggregation(
per_series_aligner=ALIGNER,
alignment_period={"seconds": PERIOD_IN_SECONDS},
cross_series_reducer=REDUCER,
group_by_fields=[FIELD1, FIELD2],
),
"view":
monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.HEADERS,
"page_size":
PAGE_SIZE,
}
self.assertEqual(actual, expected)
def test_iteration_headers_only(self):
T0 = datetime.datetime(2016, 4, 6, 22, 5, 0)
T1 = datetime.datetime(2016, 4, 6, 22, 10, 0)
SERIES1 = {
"metric": {
"type": METRIC_TYPE,
"labels": METRIC_LABELS
},
"resource": {
"type": RESOURCE_TYPE,
"labels": RESOURCE_LABELS
},
"metric_kind": METRIC_KIND,
"value_type": VALUE_TYPE,
}
SERIES2 = {
"metric": {
"type": METRIC_TYPE,
"labels": METRIC_LABELS2
},
"resource": {
"type": RESOURCE_TYPE,
"labels": RESOURCE_LABELS2
},
"metric_kind": METRIC_KIND,
"value_type": VALUE_TYPE,
}
RESPONSE = {"time_series": [SERIES1, SERIES2], "next_page_token": ""}
channel = ChannelStub(responses=[RESPONSE])
client = self._create_client(channel)
query = self._make_one(client, PROJECT, METRIC_TYPE)
query = query.select_interval(start_time=T0, end_time=T1)
# add a temporal alignment to test that "aggregation" query params is
# correctly processed
query = query.align(monitoring_v3.Aggregation.Aligner.ALIGN_MAX,
seconds=3600)
response = list(query.iter(headers_only=True))
self.assertEqual(len(response), 2)
series1, series2 = response
self.assertEqual(series1.metric.labels, METRIC_LABELS)
self.assertEqual(series2.metric.labels, METRIC_LABELS2)
self.assertEqual(series1.resource.labels, RESOURCE_LABELS)
self.assertEqual(series2.resource.labels, RESOURCE_LABELS2)
self.assertFalse(len(series1.points))
self.assertFalse(len(series2.points))
expected_request = monitoring_v3.ListTimeSeriesRequest(
name="projects/" + PROJECT,
filter='metric.type = "{type}"'.format(type=METRIC_TYPE),
interval=self._make_interval(T1, T0),
view=monitoring_v3.ListTimeSeriesRequest.TimeSeriesView.HEADERS,
aggregation=monitoring_v3.Aggregation(
per_series_aligner=monitoring_v3.Aggregation.Aligner.ALIGN_MAX,
alignment_period={"seconds": 3600},
),
)
request = channel.requests[0][1]
self.assertEqual(request, expected_request)
