def test_export(self):
meter_provider = metrics.MeterProvider()
meter = meter_provider.get_meter(__name__)
exporter = ConsoleMetricsExporter()
metric = metrics.Counter(
"available memory",
"available memory",
"bytes",
int,
meter,
("environment", ),
)
labels = {"environment": "staging"}
aggregator = SumAggregator()
record = MetricRecord(metric, labels, aggregator,
meter_provider.resource)
result = '{}(data="{}", labels="{}", value={}, resource={})'.format(
ConsoleMetricsExporter.__name__,
metric,
labels,
aggregator.checkpoint,
meter_provider.resource.attributes,
)
with mock.patch("sys.stdout") as mock_stdout:
exporter.export([record])
mock_stdout.write.assert_any_call(result)
def test_export(self):
exporter = ConsoleMetricsExporter()
metric = metrics.Counter(
"available memory",
"available memory",
"bytes",
int,
("environment", ),
)
label_values = ("staging", )
handle = metric.get_handle(label_values)
result = '{}(data="{}", label_values="{}", metric_data={})'.format(
ConsoleMetricsExporter.__name__, metric, label_values, handle)
with mock.patch("sys.stdout") as mock_stdout:
exporter.export([(metric, label_values)])
mock_stdout.write.assert_any_call(result)
def start_pipeline(
self,
meter: metrics_api.Meter,
exporter: MetricsExporter = None,
interval: float = 15.0,
) -> None:
"""Method to begin the collect/export pipeline.
Args:
meter: The meter to collect metrics from.
exporter: The exporter to export metrics to.
interval: The collect/export interval in seconds.
"""
if not exporter:
exporter = ConsoleMetricsExporter()
self._exporters.add(exporter)
# TODO: Controller type configurable?
self._controllers.append(PushController(meter, exporter, interval))
def test_export(self):
meter = metrics.MeterProvider().get_meter(__name__)
exporter = ConsoleMetricsExporter()
metric = metrics.Counter(
"available memory",
"available memory",
"bytes",
int,
meter,
("environment", ),
)
kvp = {"environment": "staging"}
label_set = metrics.LabelSet(kvp)
aggregator = CounterAggregator()
record = MetricRecord(aggregator, label_set, metric)
result = '{}(data="{}", label_set="{}", value={})'.format(
ConsoleMetricsExporter.__name__,
metric,
label_set.labels,
aggregator.checkpoint,
)
with mock.patch("sys.stdout") as mock_stdout:
exporter.export([record])
mock_stdout.write.assert_any_call(result)
"""
from opentelemetry import metrics
from opentelemetry.sdk.metrics import MeterProvider
from opentelemetry.sdk.metrics.export import ConsoleMetricsExporter
from opentelemetry.sdk.metrics.export.aggregate import (
HistogramAggregator,
LastValueAggregator,
MinMaxSumCountAggregator,
SumAggregator,
)
from opentelemetry.sdk.metrics.view import View, ViewConfig
# Use the meter type provided by the SDK package
metrics.set_meter_provider(MeterProvider())
meter = metrics.get_meter(__name__)
metrics.get_meter_provider().start_pipeline(meter, ConsoleMetricsExporter(), 5)
requests_counter = meter.create_counter(
name="requests",
description="number of requests",
unit="1",
value_type=int,
)
requests_size = meter.create_valuerecorder(
name="requests_size",
description="size of requests",
unit="1",
value_type=int,
)
import psutil
from opentelemetry import metrics
from opentelemetry.sdk.metrics import LabelSet, MeterProvider
from opentelemetry.sdk.metrics.export import ConsoleMetricsExporter
from opentelemetry.sdk.metrics.export.batcher import UngroupedBatcher
from opentelemetry.sdk.metrics.export.controller import PushController
# Configure a stateful batcher
batcher = UngroupedBatcher(stateful=True)
metrics.set_preferred_meter_provider_implementation(lambda _: MeterProvider())
meter = metrics.get_meter(__name__)
# Exporter to export metrics to the console
exporter = ConsoleMetricsExporter()
# Configure a push controller
controller = PushController(meter=meter, exporter=exporter, interval=2)
# Callback to gather cpu usage
def get_cpu_usage_callback(observer):
for (number, percent) in enumerate(psutil.cpu_percent(percpu=True)):
label_set = meter.get_label_set({"cpu_number": str(number)})
observer.observe(percent, label_set)
meter.register_observer(
callback=get_cpu_usage_callback,
name="cpu_percent",
from opentelemetry import metrics
from opentelemetry.sdk.metrics.export import ConsoleMetricsExporter
from opentelemetry.exporter.otlp.metrics_exporter import OTLPMetricsExporter
app = Flask("api")
@app.route('/book/<username>')
def hello_world(username):
status = requests.post(os.getenv("BOOK_SVC"), json={
"card": "VISA",
"name": username,
"date": datetime.datetime.today().strftime('%Y-%m-%d')
})
if status.ok:
resp = status.json()
return resp
else:
return 'bad request!', 400
if __name__ == '__main__':
resource = Resource({"service.name": "gateway"})
trace.get_tracer_provider().resource = resource
trace.get_tracer_provider().add_span_processor(BatchExportSpanProcessor(OTLPSpanExporter(os.getenv("OTC_HOST"))))
metrics.get_meter_provider().resource = resource
metrics.get_meter_provider().start_pipeline(RequestsInstrumentor().meter, ConsoleMetricsExporter(), 1)
app.run(debug=True, host='0.0.0.0')