refactor: add Effect logger for motel observability (#21954)

packages/opencode/src/effect/oltp.ts

@@ -1,34 +1,45 @@
-import { Layer } from "effect"
+import { Duration, Layer } from "effect"
 import { FetchHttpClient } from "effect/unstable/http"
 import { Otlp } from "effect/unstable/observability"
+import { EffectLogger } from "@/effect/logger"
 import { Flag } from "@/flag/flag"
 import { CHANNEL, VERSION } from "@/installation/meta"
 
 export namespace Observability {
   export const enabled = !!Flag.OTEL_EXPORTER_OTLP_ENDPOINT
 
-  export const layer = !Flag.OTEL_EXPORTER_OTLP_ENDPOINT
-    ? Layer.empty
-    : Otlp.layerJson({
-        baseUrl: Flag.OTEL_EXPORTER_OTLP_ENDPOINT,
-        loggerMergeWithExisting: false,
-        resource: {
-          serviceName: "opencode",
-          serviceVersion: VERSION,
-          attributes: {
-            "deployment.environment.name": CHANNEL === "local" ? "local" : CHANNEL,
-            "opencode.client": Flag.OPENCODE_CLIENT,
-          },
+  const base = Flag.OTEL_EXPORTER_OTLP_ENDPOINT
+
+  const resource = {
+    serviceName: "opencode",
+    serviceVersion: VERSION,
+    attributes: {
+      "deployment.environment.name": CHANNEL === "local" ? "local" : CHANNEL,
+      "opencode.client": Flag.OPENCODE_CLIENT,
+    },
+  }
+
+  const headers = Flag.OTEL_EXPORTER_OTLP_HEADERS
+    ? Flag.OTEL_EXPORTER_OTLP_HEADERS.split(",").reduce(
+        (acc, x) => {
+          const [key, value] = x.split("=")
+          acc[key] = value
+          return acc
         },
-        headers: Flag.OTEL_EXPORTER_OTLP_HEADERS
-          ? Flag.OTEL_EXPORTER_OTLP_HEADERS.split(",").reduce(
-              (acc, x) => {
-                const [key, value] = x.split("=")
-                acc[key] = value
-                return acc
-              },
-              {} as Record<string, string>,
-            )
-          : undefined,
-      }).pipe(Layer.provide(FetchHttpClient.layer))
+        {} as Record<string, string>,
+      )
+    : undefined
+
+  export const layer = !base
+    ? EffectLogger.layer
+    : Layer.mergeAll(
+        EffectLogger.layer,
+        Otlp.layerJson({
+          baseUrl: base,
+          loggerExportInterval: Duration.seconds(5),
+          loggerMergeWithExisting: true,
+          resource,
+          headers,
+        }),
+      ).pipe(Layer.provide(FetchHttpClient.layer))
 }