initial commit

.github/workflows/ci.yml

@@ -148,7 +148,7 @@ jobs:
         if: hashFiles('Cargo.lock') == ''
         run: cargo generate-lockfile
       - name: cargo llvm-cov
-        run: cargo llvm-cov --locked --all-features --workspace --lcov --output-path lcov.info
+        run: cargo llvm-cov --locked --all-features --workspace --lcov --lib --output-path lcov.info
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v4
         env:

examples/logs-basic/Cargo.toml

@@ -6,10 +6,8 @@ license = "Apache-2.0"
 publish = false
 
 [dependencies]
-opentelemetry = { path = "../../opentelemetry", features = ["logs"] }
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["logs"] }
 opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["logs"]}
 opentelemetry-appender-tracing = { path = "../../opentelemetry-appender-tracing", default-features = false}
-opentelemetry-semantic-conventions = { path = "../../opentelemetry-semantic-conventions" }
 tracing = { workspace = true, features = ["std"]}
 tracing-subscriber = { workspace = true, features = ["registry", "std"] }

examples/metrics-advanced/Cargo.toml

@@ -10,4 +10,3 @@ opentelemetry = { path = "../../opentelemetry", features = ["metrics"] }
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["spec_unstable_metrics_views", "rt-tokio"] }
 opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["metrics"] }
 tokio = { workspace = true, features = ["full"] }
-serde_json = { workspace = true }

examples/metrics-basic/Cargo.toml

@@ -10,5 +10,4 @@ opentelemetry = { path = "../../opentelemetry", features = ["metrics"] }
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["metrics", "rt-tokio"] }
 opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["metrics"]}
 tokio = { workspace = true, features = ["full"] }
-serde_json = { workspace = true }
 

examples/tracing-grpc/Cargo.toml

@@ -20,7 +20,6 @@ opentelemetry-stdout = { path = "../../opentelemetry-stdout", features = ["trace
 prost = { workspace = true }
 tokio = { workspace = true, features = ["full"] }
 tonic = { workspace = true }
-serde_json = { workspace = true }
 
 [build-dependencies]
 tonic-build = { workspace = true }

examples/tracing-jaeger/Cargo.toml

@@ -9,5 +9,4 @@ publish = false
 opentelemetry = { path = "../../opentelemetry" }
 opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["rt-tokio"] }
 opentelemetry-otlp = { path = "../../opentelemetry-otlp", features = ["tonic"] }
-opentelemetry-semantic-conventions = { path = "../../opentelemetry-semantic-conventions" }
 tokio = { workspace = true, features = ["full"] }

opentelemetry-otlp/examples/basic-otlp-http/Cargo.toml

@@ -16,16 +16,9 @@ experimental_metrics_periodicreader_with_async_runtime = ["opentelemetry_sdk/exp
 once_cell = { workspace = true }
 opentelemetry = { path = "../../../opentelemetry" }
 opentelemetry_sdk = { path = "../../../opentelemetry-sdk", features = ["rt-tokio", "experimental_metrics_periodicreader_with_async_runtime"]}
-opentelemetry-http = { path = "../../../opentelemetry-http", optional = true, default-features = false}
 opentelemetry-otlp = { path = "../..", features = ["http-proto", "http-json", "logs"] , default-features = false}
 opentelemetry-appender-tracing = { path = "../../../opentelemetry-appender-tracing", default-features = false}
-opentelemetry-semantic-conventions = { path = "../../../opentelemetry-semantic-conventions" }
 
-async-trait = { workspace = true, optional = true }
-bytes = { workspace = true, optional = true }
-http = { workspace = true, optional = true }
-http-body-util = { workspace = true, optional = true  }
 tokio = { workspace = true, features = ["full"] }
 tracing = { workspace = true, features = ["std"]}
-tracing-core = { workspace = true }
 tracing-subscriber = { workspace = true, features = ["env-filter","registry", "std", "fmt"] }

opentelemetry-otlp/examples/basic-otlp/Cargo.toml

@@ -10,9 +10,7 @@ once_cell = { workspace = true }
 opentelemetry = { path = "../../../opentelemetry" }
 opentelemetry_sdk = { path = "../../../opentelemetry-sdk", features = ["rt-tokio"] }
 opentelemetry-otlp = { path = "../../../opentelemetry-otlp" }
-opentelemetry-semantic-conventions = { path = "../../../opentelemetry-semantic-conventions" }
 tokio = { version = "1.0", features = ["full"] }
 opentelemetry-appender-tracing = { path = "../../../opentelemetry-appender-tracing", default-features = false}
 tracing = { workspace = true, features = ["std"]}
-tracing-core = { workspace = true }
 tracing-subscriber = { workspace = true, features = ["env-filter","registry", "std", "fmt"] }

opentelemetry-otlp/src/exporter/http/mod.rs

@@ -66,8 +66,11 @@ pub struct HttpConfig {
 impl Default for HttpConfig {
     fn default() -> Self {
         #[cfg(feature = "reqwest-blocking-client")]
-        let default_client =
-            Some(Arc::new(reqwest::blocking::Client::new()) as Arc<dyn HttpClient>);
+        let default_client = std::thread::spawn(|| {
+            Some(Arc::new(reqwest::blocking::Client::new()) as Arc<dyn HttpClient>)
+        })
+        .join()
+        .expect("creating reqwest::blocking::Client on a new thread not to fail");
         #[cfg(all(not(feature = "reqwest-blocking-client"), feature = "reqwest-client"))]
         let default_client = Some(Arc::new(reqwest::Client::new()) as Arc<dyn HttpClient>);
         #[cfg(all(

opentelemetry-otlp/tests/integration_test/.gitignore

@@ -0,0 +1,2 @@
+lcov.info
+actual/*.json

opentelemetry-otlp/tests/integration_test/Cargo.toml

@@ -4,27 +4,32 @@ version = "0.1.0"
 edition = "2021"
 publish = false
 
-
 [dependencies]
-opentelemetry = { path = "../../../opentelemetry", features = ["metrics", "logs"] }
-opentelemetry_sdk = { path = "../../../opentelemetry-sdk", features = ["rt-tokio", "logs", "testing"] }
-opentelemetry-proto = { path = "../../../opentelemetry-proto", features = ["gen-tonic-messages", "trace", "logs", "with-serde"] }
+opentelemetry = { path = "../../../opentelemetry", features = [] }
+opentelemetry_sdk = { path = "../../../opentelemetry-sdk", features = ["rt-tokio", "testing"] }
+opentelemetry-proto = { path = "../../../opentelemetry-proto", features = ["gen-tonic-messages", "trace", "logs", "metrics", "with-serde"] }
 log = { workspace = true }
 tokio = { version = "1.0", features = ["full"] }
 serde_json = "1"
-testcontainers = "0.15.0"
+testcontainers = { version = "0.23.1", features = ["http_wait"]}
+once_cell.workspace = true
+anyhow = "1.0.94"
+ctor = "0.2.9"
+tracing-subscriber = "0.3.19"
+tracing = "0.1.41"
 
 [target.'cfg(unix)'.dependencies]
 opentelemetry-appender-log = { path = "../../../opentelemetry-appender-log", default-features = false}
 opentelemetry-otlp = { path = "../../../opentelemetry-otlp", default-features = false }
 opentelemetry-semantic-conventions = { path = "../../../opentelemetry-semantic-conventions" }
 
 [features]
-hyper-client = ["opentelemetry-otlp/hyper-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace", "opentelemetry-otlp/logs", "opentelemetry-otlp/metrics"]
-reqwest-client = ["opentelemetry-otlp/reqwest-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace","opentelemetry-otlp/logs", "opentelemetry-otlp/metrics"]
-reqwest-blocking-client = ["opentelemetry-otlp/reqwest-blocking-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace","opentelemetry-otlp/logs", "opentelemetry-otlp/metrics"]
-tonic-client = ["opentelemetry-otlp/grpc-tonic", "opentelemetry-otlp/trace", "opentelemetry-otlp/logs", "opentelemetry-otlp/metrics"]
+hyper-client = ["opentelemetry-otlp/hyper-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace", "opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
+reqwest-client = ["opentelemetry-otlp/reqwest-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace","opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
+reqwest-blocking-client = ["opentelemetry-otlp/reqwest-blocking-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace","opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
+tonic-client = ["opentelemetry-otlp/grpc-tonic", "opentelemetry-otlp/trace", "opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
+internal-logs = []
 
 # Keep tonic as the default client
-default = ["tonic-client"]
+default = ["tonic-client", "internal-logs"]
 

opentelemetry-otlp/tests/integration_test/README.md

@@ -0,0 +1,10 @@
+# OTLP - Integration Tests
+This directory contains integration tests for `opentelemetry-otlp`. It uses 
+[testcontainers](https://testcontainers.com/) to start an instance of the OTEL collector using [otel-collector-config.yaml](otel-collector-config.yaml), which then uses a file exporter per signal to write the output it receives back to the host machine.
+
+The tests connect directly to the collector on `localhost:4317` and `localhost:4318`, push data through, and then check that what they expect 
+has popped back out into the files output by the collector.
+
+For this to work, you need a couple of things:
+* Docker, for the test container
+* TCP/4317 and TCP/4318 free on your local machine. If you are running another collector, you'll need to stop it for the tests to run

opentelemetry-otlp/tests/integration_test/actual/README.md

@@ -0,0 +1 @@
+Output from the otel-collector goes here. 

opentelemetry-otlp/tests/integration_test/expected/different_metrics.json

@@ -0,0 +1,133 @@
+{
+  "resourceMetrics": [
+    {
+      "resource": {
+        "attributes": [
+          {
+            "key": "service.name",
+            "value": {
+              "stringValue": "metrics-integration-test"
+            }
+          }
+        ]
+      },
+      "scopeMetrics": [
+        {
+          "scope": {
+            "name": "meter"
+          },
+          "metrics": [
+            {
+              "name": "counter_u64",
+              "sum": {
+                "dataPoints": [
+                  {
+                    "attributes": [
+                      {
+                        "key": "mykey1",
+                        "value": {
+                          "stringValue": "mydifferentval"
+                        }
+                      },
+                      {
+                        "key": "mykey2",
+                        "value": {
+                          "stringValue": "myvalue2"
+                        }
+                      }
+                    ],
+                    "startTimeUnixNano": "1734094309366798000",
+                    "timeUnixNano": "1734094317871514000",
+                    "asInt": "15"
+                  }
+                ],
+                "aggregationTemporality": 2,
+                "isMonotonic": true
+              }
+            },
+            {
+              "name": "example_histogram",
+              "histogram": {
+                "dataPoints": [
+                  {
+                    "attributes": [
+                      {
+                        "key": "mykey3",
+                        "value": {
+                          "stringValue": "myvalue4"
+                        }
+                      }
+                    ],
+                    "startTimeUnixNano": "1734094309366875000",
+                    "timeUnixNano": "1734094317871537000",
+                    "count": "1",
+                    "sum": 42,
+                    "bucketCounts": [
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "1",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0",
+                      "0"
+                    ],
+                    "explicitBounds": [
+                      0,
+                      5,
+                      10,
+                      25,
+                      50,
+                      75,
+                      100,
+                      250,
+                      500,
+                      750,
+                      1000,
+                      2500,
+                      5000,
+                      7500,
+                      10000
+                    ],
+                    "min": 42,
+                    "max": 42
+                  }
+                ],
+                "aggregationTemporality": 2
+              }
+            },
+            {
+              "name": "example_up_down_counter",
+              "sum": {
+                "dataPoints": [
+                  {
+                    "attributes": [
+                      {
+                        "key": "mykey5",
+                        "value": {
+                          "stringValue": "myvalue5"
+                        }
+                      }
+                    ],
+                    "startTimeUnixNano": "1734094309366941000",
+                    "timeUnixNano": "1734094317871548000",
+                    "asInt": "-1"
+                  }
+                ],
+                "aggregationTemporality": 2
+              }
+            }
+          ]
+        }
+      ]
+    }
+  ]
+}