add feature checks

Author: pront

src/codecs/encoding/config.rs

@@ -1,12 +1,15 @@
 use crate::codecs::Transformer;
 use vector_lib::{
     codecs::{
-        BytesEncoder, CharacterDelimitedEncoder, LengthDelimitedEncoder, NewlineDelimitedEncoder,
+        CharacterDelimitedEncoder, LengthDelimitedEncoder, NewlineDelimitedEncoder,
         encoding::{Framer, FramingConfig, Serializer, SerializerConfig},
     },
     configurable::configurable_component,
 };
 
+#[cfg(feature = "codecs-opentelemetry")]
+use vector_lib::codecs::BytesEncoder;
+
 /// Encoding configuration.
 #[configurable_component]
 #[derive(Clone, Debug)]
@@ -129,6 +132,7 @@ impl EncodingConfigWithFraming {
                 | Serializer::RawMessage(_)
                 | Serializer::Text(_),
             ) => NewlineDelimitedEncoder::default().into(),
+            #[cfg(feature = "codecs-opentelemetry")]
             (None, Serializer::Otlp(_)) => BytesEncoder.into(),
         };
 

src/codecs/encoding/encoder.rs

@@ -128,6 +128,7 @@ impl Encoder<Framer> {
                 | Serializer::Text(_),
                 _,
             ) => "text/plain",
+            #[cfg(feature = "codecs-opentelemetry")]
             (Serializer::Otlp(_), _) => "application/x-protobuf",
         }
     }

src/components/validation/resources/mod.rs

@@ -233,6 +233,7 @@ fn serializer_config_to_deserializer(
             })
         }
         SerializerConfig::RawMessage | SerializerConfig::Text(_) => DeserializerConfig::Bytes,
+        #[cfg(feature = "codecs-opentelemetry")]
         SerializerConfig::Otlp => todo!(),
     };
 

src/sinks/http/config.rs

@@ -270,6 +270,7 @@ impl SinkConfig for HttpSinkConfig {
                 (Json(_), CharacterDelimited(CharacterDelimitedEncoder { delimiter: b',' })) => {
                     Some(CONTENT_TYPE_JSON.to_owned())
                 }
+                #[cfg(feature = "codecs-opentelemetry")]
                 (Otlp(_), _) => Some("application/x-protobuf".to_owned()),
                 _ => None,
             }