Add connectTimeout configuration option OtlpHttp{Signal}Exporters

docs/apidiffs/current_vs_latest/opentelemetry-exporter-otlp.txt

@@ -1,2 +1,13 @@
 Comparing source compatibility of  against 
-No changes.
+***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.exporter.otlp.http.logs.OtlpHttpLogRecordExporterBuilder  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.logs.OtlpHttpLogRecordExporterBuilder setConnectTimeout(long, java.util.concurrent.TimeUnit)
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.logs.OtlpHttpLogRecordExporterBuilder setConnectTimeout(java.time.Duration)
+***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.exporter.otlp.http.metrics.OtlpHttpMetricExporterBuilder  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.metrics.OtlpHttpMetricExporterBuilder setConnectTimeout(long, java.util.concurrent.TimeUnit)
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.metrics.OtlpHttpMetricExporterBuilder setConnectTimeout(java.time.Duration)
+***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.exporter.otlp.http.trace.OtlpHttpSpanExporterBuilder  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.trace.OtlpHttpSpanExporterBuilder setConnectTimeout(long, java.util.concurrent.TimeUnit)
+	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.exporter.otlp.http.trace.OtlpHttpSpanExporterBuilder setConnectTimeout(java.time.Duration)

exporters/common/src/main/java/io/opentelemetry/exporter/internal/http/HttpExporterBuilder.java

@@ -14,7 +14,6 @@
 import io.opentelemetry.exporter.internal.marshal.Marshaler;
 import io.opentelemetry.sdk.common.export.RetryPolicy;
 import java.net.URI;
-import java.time.Duration;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
@@ -37,6 +36,7 @@
 @SuppressWarnings("checkstyle:JavadocMethod")
 public final class HttpExporterBuilder<T extends Marshaler> {
   public static final long DEFAULT_TIMEOUT_SECS = 10;
+  public static final long DEFAULT_CONNECT_TIMEOUT_SECS = 10;
 
   private static final Logger LOGGER = Logger.getLogger(HttpExporterBuilder.class.getName());
 
@@ -46,6 +46,7 @@ public final class HttpExporterBuilder<T extends Marshaler> {
   private String endpoint;
 
   private long timeoutNanos = TimeUnit.SECONDS.toNanos(DEFAULT_TIMEOUT_SECS);
+  private long connectTimeoutNanos = TimeUnit.SECONDS.toNanos(DEFAULT_CONNECT_TIMEOUT_SECS);
   private boolean compressionEnabled = false;
   private boolean exportAsJson = false;
   @Nullable private Map<String, String> headers;
@@ -67,8 +68,9 @@ public HttpExporterBuilder<T> setTimeout(long timeout, TimeUnit unit) {
     return this;
   }
 
-  public HttpExporterBuilder<T> setTimeout(Duration timeout) {
-    return setTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
+  public HttpExporterBuilder<T> setConnectTimeout(long timeout, TimeUnit unit) {
+    connectTimeoutNanos = unit.toNanos(timeout);
+    return this;
   }
 
   public HttpExporterBuilder<T> setEndpoint(String endpoint) {
@@ -132,6 +134,7 @@ public HttpExporterBuilder<T> copy() {
     HttpExporterBuilder<T> copy = new HttpExporterBuilder<>(exporterName, type, endpoint);
     copy.endpoint = endpoint;
     copy.timeoutNanos = timeoutNanos;
+    copy.connectTimeoutNanos = connectTimeoutNanos;
     copy.exportAsJson = exportAsJson;
     copy.compressionEnabled = compressionEnabled;
     if (headers != null) {
@@ -157,6 +160,7 @@ public HttpExporter<T> build() {
             compressionEnabled,
             exportAsJson ? "application/json" : "application/x-protobuf",
             timeoutNanos,
+            connectTimeoutNanos,
             headerSupplier,
             authenticator,
             retryPolicy,
@@ -176,6 +180,7 @@ public String toString(boolean includePrefixAndSuffix) {
     joiner.add("type=" + type);
     joiner.add("endpoint=" + endpoint);
     joiner.add("timeoutNanos=" + timeoutNanos);
+    joiner.add("connectTimeoutNanos=" + connectTimeoutNanos);
     joiner.add("compressionEnabled=" + compressionEnabled);
     joiner.add("exportAsJson=" + exportAsJson);
     if (headers != null) {

exporters/common/src/main/java/io/opentelemetry/exporter/internal/http/HttpSenderProvider.java

@@ -23,11 +23,13 @@
 public interface HttpSenderProvider {
 
   /** Returns a {@link HttpSender} configured with the provided parameters. */
+  @SuppressWarnings("TooManyParameters")
   HttpSender createSender(
       String endpoint,
       boolean compressionEnabled,
       String contentType,
       long timeoutNanos,
+      long connectTimeout,
       Supplier<Map<String, String>> headerSupplier,
       @Nullable Authenticator authenticator,
       @Nullable RetryPolicy retryPolicy,

exporters/otlp/all/src/main/java/io/opentelemetry/exporter/otlp/http/logs/OtlpHttpLogRecordExporterBuilder.java

@@ -59,6 +59,26 @@ public OtlpHttpLogRecordExporterBuilder setTimeout(Duration timeout) {
     return setTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
   }
 
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpLogRecordExporterBuilder setConnectTimeout(long timeout, TimeUnit unit) {
+    requireNonNull(unit, "unit");
+    checkArgument(timeout >= 0, "timeout must be non-negative");
+    delegate.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpLogRecordExporterBuilder setConnectTimeout(Duration timeout) {
+    requireNonNull(timeout, "timeout");
+    return setConnectTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
+  }
+
   /**
    * Sets the OTLP endpoint to connect to. If unset, defaults to {@value DEFAULT_ENDPOINT}. The
    * endpoint must start with either http:// or https://, and include the full HTTP path.

exporters/otlp/all/src/main/java/io/opentelemetry/exporter/otlp/http/metrics/OtlpHttpMetricExporterBuilder.java

@@ -71,6 +71,26 @@ public OtlpHttpMetricExporterBuilder setTimeout(Duration timeout) {
     return setTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
   }
 
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpMetricExporterBuilder setConnectTimeout(long timeout, TimeUnit unit) {
+    requireNonNull(unit, "unit");
+    checkArgument(timeout >= 0, "timeout must be non-negative");
+    delegate.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpMetricExporterBuilder setConnectTimeout(Duration timeout) {
+    requireNonNull(timeout, "timeout");
+    return setConnectTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
+  }
+
   /**
    * Sets the OTLP endpoint to connect to. If unset, defaults to {@value DEFAULT_ENDPOINT}. The
    * endpoint must start with either http:// or https://, and include the full HTTP path.

exporters/otlp/all/src/main/java/io/opentelemetry/exporter/otlp/http/trace/OtlpHttpSpanExporterBuilder.java

@@ -59,6 +59,26 @@ public OtlpHttpSpanExporterBuilder setTimeout(Duration timeout) {
     return setTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
   }
 
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpSpanExporterBuilder setConnectTimeout(long timeout, TimeUnit unit) {
+    requireNonNull(unit, "unit");
+    checkArgument(timeout >= 0, "timeout must be non-negative");
+    delegate.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  /**
+   * Sets the maximum time to wait for new connections to be established. If unset, defaults to
+   * {@value HttpExporterBuilder#DEFAULT_CONNECT_TIMEOUT_SECS}s.
+   */
+  public OtlpHttpSpanExporterBuilder setConnectTimeout(Duration timeout) {
+    requireNonNull(timeout, "timeout");
+    return setConnectTimeout(timeout.toNanos(), TimeUnit.NANOSECONDS);
+  }
+
   /**
    * Sets the OTLP endpoint to connect to. If unset, defaults to {@value DEFAULT_ENDPOINT}. The
    * endpoint must start with either http:// or https://, and include the full HTTP path.

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/AbstractHttpTelemetryExporterTest.java

@@ -464,6 +464,28 @@ public Stream<? extends Arguments> provideArguments(ExtensionContext context) th
     }
   }
 
+  @Test
+  @SuppressLogger(HttpExporter.class)
+  void connectTimeout() {
+    TelemetryExporter<T> exporter =
+        exporterBuilder()
+            // Connecting to a non-routable IP address to trigger connection error
+            .setEndpoint("http://10.255.255.1")
+            .setConnectTimeout(Duration.ofMillis(1))
+            .build();
+    try {
+      long startTimeMillis = System.currentTimeMillis();
+      CompletableResultCode result =
+          exporter.export(Collections.singletonList(generateFakeTelemetry()));
+      assertThat(result.join(10, TimeUnit.SECONDS).isSuccess()).isFalse();
+      // Assert that the export request fails well before the default connect timeout of 10s
+      assertThat(System.currentTimeMillis() - startTimeMillis)
+          .isLessThan(TimeUnit.SECONDS.toMillis(1));
+    } finally {
+      exporter.shutdown();
+    }
+  }
+
   @Test
   void deadlineSetPerExport() throws InterruptedException {
     TelemetryExporter<T> exporter =
@@ -602,6 +624,15 @@ void validConfig() {
     assertThatCode(() -> exporterBuilder().setTimeout(Duration.ofMillis(10)))
         .doesNotThrowAnyException();
 
+    assertThatCode(() -> exporterBuilder().setConnectTimeout(0, TimeUnit.MILLISECONDS))
+        .doesNotThrowAnyException();
+    assertThatCode(() -> exporterBuilder().setConnectTimeout(Duration.ofMillis(0)))
+        .doesNotThrowAnyException();
+    assertThatCode(() -> exporterBuilder().setConnectTimeout(10, TimeUnit.MILLISECONDS))
+        .doesNotThrowAnyException();
+    assertThatCode(() -> exporterBuilder().setConnectTimeout(Duration.ofMillis(10)))
+        .doesNotThrowAnyException();
+
     assertThatCode(() -> exporterBuilder().setEndpoint("http://localhost:4318"))
         .doesNotThrowAnyException();
     assertThatCode(() -> exporterBuilder().setEndpoint("http://localhost/"))
@@ -635,6 +666,16 @@ void invalidConfig() {
         .isInstanceOf(NullPointerException.class)
         .hasMessage("timeout");
 
+    assertThatThrownBy(() -> exporterBuilder().setConnectTimeout(-1, TimeUnit.MILLISECONDS))
+        .isInstanceOf(IllegalArgumentException.class)
+        .hasMessage("timeout must be non-negative");
+    assertThatThrownBy(() -> exporterBuilder().setConnectTimeout(1, null))
+        .isInstanceOf(NullPointerException.class)
+        .hasMessage("unit");
+    assertThatThrownBy(() -> exporterBuilder().setConnectTimeout(null))
+        .isInstanceOf(NullPointerException.class)
+        .hasMessage("timeout");
+
     assertThatThrownBy(() -> exporterBuilder().setEndpoint(null))
         .isInstanceOf(NullPointerException.class)
         .hasMessage("endpoint");
@@ -666,6 +707,7 @@ void toBuilderEquality()
     TelemetryExporter<T> exporter =
         exporterBuilder()
             .setTimeout(Duration.ofSeconds(5))
+            .setConnectTimeout(Duration.ofSeconds(4))
             .setEndpoint("http://localhost:4318")
             .setCompression("gzip")
             .addHeader("foo", "bar")
@@ -728,6 +770,9 @@ void stringRepresentation() throws IOException, CertificateEncodingException {
                   + "timeoutNanos="
                   + TimeUnit.SECONDS.toNanos(10)
                   + ", "
+                  + "connectTimeoutNanos="
+                  + TimeUnit.SECONDS.toNanos(10)
+                  + ", "
                   + "compressionEnabled=false, "
                   + "exportAsJson=false, "
                   + "headers=Headers\\{User-Agent=OBFUSCATED\\}"
@@ -739,6 +784,7 @@ void stringRepresentation() throws IOException, CertificateEncodingException {
     telemetryExporter =
         exporterBuilder()
             .setTimeout(Duration.ofSeconds(5))
+            .setConnectTimeout(Duration.ofSeconds(4))
             .setEndpoint("http://example:4318/v1/logs")
             .setCompression("gzip")
             .addHeader("foo", "bar")
@@ -764,6 +810,9 @@ void stringRepresentation() throws IOException, CertificateEncodingException {
                   + "timeoutNanos="
                   + TimeUnit.SECONDS.toNanos(5)
                   + ", "
+                  + "connectTimeoutNanos="
+                  + TimeUnit.SECONDS.toNanos(4)
+                  + ", "
                   + "compressionEnabled=true, "
                   + "exportAsJson=false, "
                   + "headers=Headers\\{.*foo=OBFUSCATED.*\\}, "

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/GrpcLogRecordExporterBuilderWrapper.java

@@ -40,6 +40,16 @@ public TelemetryExporterBuilder<LogRecordData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<LogRecordData> setConnectTimeout(long timeout, TimeUnit unit) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public TelemetryExporterBuilder<LogRecordData> setConnectTimeout(Duration timeout) {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public TelemetryExporterBuilder<LogRecordData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/GrpcMetricExporterBuilderWrapper.java

@@ -40,6 +40,16 @@ public TelemetryExporterBuilder<MetricData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<MetricData> setConnectTimeout(long timeout, TimeUnit unit) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public TelemetryExporterBuilder<MetricData> setConnectTimeout(Duration timeout) {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public TelemetryExporterBuilder<MetricData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/GrpcSpanExporterBuilderWrapper.java

@@ -41,6 +41,16 @@ public TelemetryExporterBuilder<SpanData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<SpanData> setConnectTimeout(long timeout, TimeUnit unit) {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public TelemetryExporterBuilder<SpanData> setConnectTimeout(Duration timeout) {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public TelemetryExporterBuilder<SpanData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/HttpLogRecordExporterBuilderWrapper.java

@@ -41,6 +41,18 @@ public TelemetryExporterBuilder<LogRecordData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<LogRecordData> setConnectTimeout(long timeout, TimeUnit unit) {
+    builder.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  @Override
+  public TelemetryExporterBuilder<LogRecordData> setConnectTimeout(Duration timeout) {
+    builder.setConnectTimeout(timeout);
+    return this;
+  }
+
   @Override
   public TelemetryExporterBuilder<LogRecordData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/HttpMetricExporterBuilderWrapper.java

@@ -40,6 +40,18 @@ public TelemetryExporterBuilder<MetricData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<MetricData> setConnectTimeout(long timeout, TimeUnit unit) {
+    builder.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  @Override
+  public TelemetryExporterBuilder<MetricData> setConnectTimeout(Duration timeout) {
+    builder.setConnectTimeout(timeout);
+    return this;
+  }
+
   @Override
   public TelemetryExporterBuilder<MetricData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/HttpSpanExporterBuilderWrapper.java

@@ -40,6 +40,18 @@ public TelemetryExporterBuilder<SpanData> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<SpanData> setConnectTimeout(long timeout, TimeUnit unit) {
+    builder.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  @Override
+  public TelemetryExporterBuilder<SpanData> setConnectTimeout(Duration timeout) {
+    builder.setConnectTimeout(timeout);
+    return this;
+  }
+
   @Override
   public TelemetryExporterBuilder<SpanData> setCompression(String compression) {
     builder.setCompression(compression);

exporters/otlp/testing-internal/src/main/java/io/opentelemetry/exporter/otlp/testing/internal/ManagedChannelTelemetryExporterBuilder.java

@@ -76,6 +76,18 @@ public TelemetryExporterBuilder<T> setTimeout(Duration timeout) {
     return this;
   }
 
+  @Override
+  public TelemetryExporterBuilder<T> setConnectTimeout(long timeout, TimeUnit unit) {
+    delegate.setConnectTimeout(timeout, unit);
+    return this;
+  }
+
+  @Override
+  public TelemetryExporterBuilder<T> setConnectTimeout(Duration timeout) {
+    delegate.setConnectTimeout(timeout);
+    return this;
+  }
+
   @Override
   public TelemetryExporterBuilder<T> setCompression(String compression) {
     delegate.setCompression(compression);