From df8d75a1f2e50f8ed7cadcd7ca51a1c55d519784 Mon Sep 17 00:00:00 2001
From: David Ashpole <dashpole@google.com>
Date: Wed, 22 Jan 2025 20:18:08 -0500
Subject: [PATCH] add readme for otlp metric sample (#1005)

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 example/metric/otlpgrpc/README.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 example/metric/otlpgrpc/README.md

diff --git a/example/metric/otlpgrpc/README.md b/example/metric/otlpgrpc/README.md
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+# OTLP Metric with Google Auth Example
+
+Run this sample to connect to an endpoint that is protected by GCP authentication.
+
+#### Prerequisites
+
+Get Google credentials on your machine:
+
+```sh
+gcloud auth application-default login
+```
+
+#### Run the Sample
+
+```sh
+# export necessary OTEL environment variables
+export PROJECT_ID=<project-id>
+export OTEL_EXPORTER_OTLP_ENDPOINT=<endpoint>
+export OTEL_RESOURCE_ATTRIBUTES="gcp.project_id=$PROJECT_ID,service.name=otlp-sample,service.instance.id=1"
+export OTEL_EXPORTER_OTLP_HEADERS=X-Goog-User-Project=$PROJECT_ID
+
+# from the samples/otlpmetric repository
+cd example/metric/otlpgrpc && go run .
+```