changed filename

lesson-7/drop_metrics_with_name.py

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+import random
+import time
+
+from opentelemetry.metrics import get_meter_provider, set_meter_provider
+from opentelemetry.sdk.metrics import Counter, MeterProvider
+from opentelemetry.sdk.metrics.export import (
+    ConsoleMetricExporter,
+    PeriodicExportingMetricReader,
+)
+from opentelemetry.sdk.metrics.view import DropAggregation, View
+
+# Create a view matching the counter instrument `requests`
+# and configure the view to drop the aggregation.
+drop_aggregation_view = View(
+    instrument_type=Counter,
+    instrument_name="requests",
+    aggregation=DropAggregation(),
+)
+
+exporter = ConsoleMetricExporter()
+
+reader = PeriodicExportingMetricReader(exporter, export_interval_millis=1_000)
+provider = MeterProvider(
+    metric_readers=[
+        reader,
+    ],
+    views=[
+        drop_aggregation_view,
+    ],
+)
+set_meter_provider(provider)
+
+meter = get_meter_provider().get_meter("view-drop-aggregation", "0.1.2")
+
+my_counter = meter.create_counter("requests")
+
+while 1:
+    my_counter.add(random.randint(1, 10))
+    time.sleep(random.random())