feat(http_exporter): only retry on connection error

Author: pafi-code

exporter/opentelemetry-exporter-otlp-proto-http/src/opentelemetry/exporter/otlp/proto/http/_log_exporter/__init__.py

@@ -194,7 +194,10 @@ def export(
                     return LogExportResult.SUCCESS
             except requests.exceptions.RequestException as error:
                 reason = str(error)
-                retryable = True
+                if isinstance(error, ConnectionError):
+                    retryable = True
+                else:
+                    retryable = False
                 status_code = None
             else:
                 reason = resp.reason

exporter/opentelemetry-exporter-otlp-proto-http/src/opentelemetry/exporter/otlp/proto/http/metric_exporter/__init__.py

@@ -239,7 +239,10 @@ def export(
                     return MetricExportResult.SUCCESS
             except requests.exceptions.RequestException as error:
                 reason = str(error)
-                retryable = True
+                if isinstance(error, ConnectionError):
+                    retryable = True
+                else:
+                    retryable = False
                 status_code = None
             else:
                 reason = resp.reason

exporter/opentelemetry-exporter-otlp-proto-http/src/opentelemetry/exporter/otlp/proto/http/trace_exporter/__init__.py

@@ -187,7 +187,10 @@ def export(self, spans: Sequence[ReadableSpan]) -> SpanExportResult:
                     return SpanExportResult.SUCCESS
             except requests.exceptions.RequestException as error:
                 reason = str(error)
-                retryable = True
+                if isinstance(error, ConnectionError):
+                    retryable = True
+                else:
+                    retryable = False
                 status_code = None
             else:
                 reason = resp.reason