Add scheme support for otel endpoint.

Author: jimf5

tests/test_otel.py

@@ -27,7 +27,7 @@
     ssl_certificate_key localhost.key;
 
     otel_exporter {
-        endpoint 127.0.0.1:{{ port }};
+        endpoint {{ scheme }}127.0.0.1:{{ port }};
         interval 1s;
         batch_size 10;
         batch_count 2;
@@ -218,14 +218,46 @@ def response(logger, http_ver, otel_mode, url, headers):
 @pytest.mark.parametrize(
     ("nginx_config", "http_ver", "otel_mode"),
     [
-        ({"port": 4317, "name": "test_http0", "mode": "ssl"}, 0, 0),
-        ({"port": 8317, "name": "test_http0", "mode": "ssl"}, 0, 1),
-        ({"port": 4317, "name": "test_http1", "mode": "ssl"}, 1, 0),
-        ({"port": 8317, "name": "test_http1", "mode": "ssl"}, 1, 1),
-        ({"port": 4317, "name": "test_http2", "mode": "ssl http2"}, 2, 0),
-        ({"port": 8317, "name": "test_http2", "mode": "ssl http2"}, 2, 1),
-        ({"port": 4317, "name": "test_http3", "mode": "quic"}, 3, 0),
-        ({"port": 8317, "name": "test_http3", "mode": "quic"}, 3, 1),
+        (
+            {"port": 4317, "scheme": "", "name": "http0", "mode": "ssl"},
+            0,
+            0,
+        ),
+        (
+            {"port": 8317, "scheme": "", "name": "http0", "mode": "ssl"},
+            0,
+            1,
+        ),
+        (
+            {"port": 4317, "scheme": "http://", "name": "http1", "mode": "ssl"},
+            1,
+            0,
+        ),
+        (
+            {"port": 8317, "scheme": "http://", "name": "http1", "mode": "ssl"},
+            1,
+            1,
+        ),
+        (
+            {"port": 4317, "scheme": "", "name": "http2", "mode": "ssl http2"},
+            2,
+            0,
+        ),
+        (
+            {"port": 8317, "scheme": "", "name": "http2", "mode": "ssl http2"},
+            2,
+            1,
+        ),
+        (
+            {"port": 4317, "scheme": "", "name": "http3", "mode": "quic"},
+            3,
+            0,
+        ),
+        (
+            {"port": 8317, "scheme": "", "name": "http3", "mode": "quic"},
+            3,
+            1,
+        ),
     ],
     indirect=["nginx_config"],
     ids=["https 0.9-to mock", "https 0.9-to otelcol"]
@@ -283,7 +315,7 @@ def test_batch_size(self, http_ver, batches, idx, value, otel_mode):
     @pytest.mark.parametrize("idx", [0, 1, 2], ids=["batch"] * 3)
     @pytest.mark.parametrize(
         ("name", "value"),
-        [("service.name", "test_http"), ("my.name", "my test_http")],
+        [("service.name", "http"), ("my.name", "my http")],
         ids=["service.name", "my.name"],
     )
     def test_resouce_attr(self, http_ver, batches, idx, otel_mode, name, value):