Adding Tempo for Open Tracing

Author: ndr-ds

Cargo.lock

@@ -255,6 +255,11 @@ tracing-subscriber = { version = "0.3.18", default-features = false, features =
     "env-filter",
 ] }
 tracing-web = "0.1.3"
+opentelemetry = { version = "0.30.0", features = ["trace"] }
+opentelemetry_sdk = { version = "0.30.0", features = ["trace", "rt-tokio"] }
+opentelemetry-http = "0.30.0"
+opentelemetry-otlp = { version = "0.30.0", features = ["grpc-tonic", "trace", "tls-roots"] }
+tracing-opentelemetry = "0.31.0"
 trait-variant = "0.1.1"
 url = "2.4"
 wasm-bindgen = "0.2.92"

Cargo.toml

@@ -154,3 +154,10 @@ releases:
     set:
       - name: crds.enabled
         value: "true"
+  - name: tempo
+    version: 1.23.3
+    namespace: tempo
+    chart: grafana/tempo
+    timeout: 900
+    values:
+      - {{ env "LINERA_HELMFILE_VALUES_LINERA_CORE" | default "values-local.yaml.gotmpl" }}

kubernetes/linera-validator/helmfile.yaml

@@ -66,6 +66,10 @@ tokio = { workspace = true, features = ["time"] }
 tokio-stream.workspace = true
 tracing.workspace = true
 tracing-subscriber = { workspace = true, features = ["json", "fmt", "ansi"] }
+tracing-opentelemetry.workspace = true
+opentelemetry.workspace = true
+opentelemetry_sdk.workspace = true
+opentelemetry-otlp.workspace = true
 trait-variant.workspace = true
 wasm-bindgen = { workspace = true, optional = true }
 wasm-bindgen-futures = { workspace = true, optional = true }