faizansaiyed123 · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026 · Oct 18, 2026
@@ -0,0 +1,55 @@
+import type { KVNamespace } from '@cloudflare/workers-types';
+
+interface Env {
+  MY_KV: KVNamespace;
+}
+
+export default {
+  async fetch(request, env) {
+    const url = new URL(request.url);
+
+    if (url.pathname === '/kv/get') {
+      await env.MY_KV.put('get-key', 'get-value');
+      const value = await env.MY_KV.get('get-key');
+      return new Response(value);
+    }
+
+    if (url.pathname === '/kv/get-miss') {
+      const value = await env.MY_KV.get('missing-key');
+      return new Response(value ?? 'miss');
+    }
+
+    if (url.pathname === '/kv/bulk-get') {
+      await env.MY_KV.put('bulk-a', 'a');
+      await env.MY_KV.put('bulk-b', 'b');
+      const values = await env.MY_KV.get(['bulk-a', 'bulk-b']);
+      return Response.json(Object.fromEntries(values));
+    }
+
+    if (url.pathname === '/kv/get-with-metadata') {
+      await env.MY_KV.put('metadata-key', 'metadata-value', { metadata: { source: 'test' } });
+      const value = await env.MY_KV.getWithMetadata('metadata-key');
+      return Response.json(value);
+    }
+
+    if (url.pathname === '/kv/put') {
+      await env.MY_KV.put('put-key', 'put-value');
+      return new Response('OK');
+    }
+
+    if (url.pathname === '/kv/list') {
+      await env.MY_KV.put('list-a', 'a');
+      await env.MY_KV.put('list-b', 'b');
+      await env.MY_KV.list({ prefix: 'list-' });
+      return new Response('OK');
+    }
+
+    if (url.pathname === '/kv/delete') {
+      await env.MY_KV.put('delete-key', 'gone');
+      await env.MY_KV.delete('delete-key');
+      return new Response('OK');
+    }
+
+    return new Response('not found', { status: 404 });
+  },
+} satisfies ExportedHandler<Env>;
@@ -0,0 +1,6 @@
+import { defineCloudflareOptions } from '@sentry/cloudflare';
+
+export default defineCloudflareOptions((env: { SENTRY_DSN: string }) => ({
+  dsn: env.SENTRY_DSN,
+  tracesSampleRate: 1.0,
+}));
@@ -0,0 +1,290 @@
+import {
+  CACHE_HIT,
+  CACHE_KEY,
+  CACHE_OPERATION,
+  DB_COLLECTION_NAME,
+  DB_OPERATION_NAME,
+  DB_SYSTEM_NAME,
+  SENTRY_ENVIRONMENT,
+  SENTRY_IS_LOCALHOST,
+  SENTRY_OP,
+  SENTRY_ORIGIN,
+  SENTRY_SDK_NAME,
+  SENTRY_SDK_VERSION,
+  SENTRY_SEGMENT_ID,
+  SENTRY_SEGMENT_NAME,
+  SENTRY_TRACE_LIFECYCLE,
+  URL_PATH,
+} from '@sentry/conventions/attributes';
+import { CACHE_GET, CACHE_PUT, CACHE_REMOVE } from '@sentry/conventions/op';
+import { CACHE_OPERATION_NAMES, SDK_VERSION } from '@sentry/core';
+import { expect, it } from 'vitest';
+import { createRunner } from '../../runner';
+import { getSpansFromEnvelope } from '../../spanUtils';
+
+it('emits cache.get for a KV read with key and hit attributes', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const getSpans = spans.filter(span => span.name === CACHE_GET);
+
+      expect(getSpans).toHaveLength(1);
+      expect(getSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_GET },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_GET] },
+        [CACHE_KEY]: { type: 'array', value: ['get-key'] },
+        [CACHE_HIT]: { type: 'boolean', value: true },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'get' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/get');
+  await runner.completed();
+});
+
+it('emits cache.get with cache.hit false for a KV read of a missing key', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const getSpans = spans.filter(span => span.name === CACHE_GET);
+
+      expect(getSpans).toHaveLength(1);
+      expect(getSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_GET },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_GET] },
+        [CACHE_KEY]: { type: 'array', value: ['missing-key'] },
+        [CACHE_HIT]: { type: 'boolean', value: false },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'get' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/get-miss');
+  await runner.completed();
+});
+
+it('emits cache.get for a bulk KV read with all keys in cache.key', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const getSpans = spans.filter(span => span.name === CACHE_GET);
+
+      expect(getSpans).toHaveLength(1);
+      expect(getSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_GET },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_GET] },
+        [CACHE_KEY]: { type: 'array', value: ['bulk-a', 'bulk-b'] },
+        [CACHE_HIT]: { type: 'boolean', value: true },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'get' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/bulk-get');
+  await runner.completed();
+});
+
+it('emits cache.get for getWithMetadata', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const getSpans = spans.filter(span => span.name === CACHE_GET);
+
+      expect(getSpans).toHaveLength(1);
+      expect(getSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_GET },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_GET] },
+        [CACHE_KEY]: { type: 'array', value: ['metadata-key'] },
+        [CACHE_HIT]: { type: 'boolean', value: true },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'getWithMetadata' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/get-with-metadata');
+  await runner.completed();
+});
+
+it('emits cache.put for KV writes', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const putSpans = spans.filter(span => span.name === CACHE_PUT);
+
+      expect(putSpans).toHaveLength(1);
+      expect(putSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_PUT },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_PUT] },
+        [CACHE_KEY]: { type: 'array', value: ['put-key'] },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'put' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/put');
+  await runner.completed();
+});
+
+it('emits cache.remove for KV deletes', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const removeSpans = spans.filter(span => span.name === CACHE_REMOVE);
+
+      expect(removeSpans).toHaveLength(1);
+      expect(removeSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_REMOVE },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_REMOVE] },
+        [CACHE_KEY]: { type: 'array', value: ['delete-key'] },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'delete' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/delete');
+  await runner.completed();
+});
+
+it('emits cache.get without cache.key or cache.hit for KV list operations', async ({ signal }) => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+      const getSpans = spans.filter(span => span.name === CACHE_GET);
+
+      expect(getSpans).toHaveLength(1);
+      expect(getSpans[0]?.attributes).toEqual({
+        [SENTRY_OP]: { type: 'string', value: CACHE_GET },
+        [SENTRY_ORIGIN]: { type: 'string', value: 'auto.cache.cloudflare.kv' },
+        [CACHE_OPERATION]: { type: 'string', value: CACHE_OPERATION_NAMES[CACHE_GET] },
+        [DB_OPERATION_NAME]: { type: 'string', value: 'list' },
+        [DB_COLLECTION_NAME]: { type: 'string', value: 'MY_KV' },
+        [DB_SYSTEM_NAME]: { type: 'string', value: 'cloudflare-kv' },
+        [SENTRY_TRACE_LIFECYCLE]: { type: 'string', value: 'stream' },
+        [SENTRY_SEGMENT_NAME]: { type: 'string', value: 'GET' },
+        [SENTRY_SEGMENT_ID]: { type: 'string', value: segmentSpan?.span_id },
+        [SENTRY_SDK_NAME]: { type: 'string', value: 'sentry.javascript.cloudflare' },
+        [SENTRY_SDK_VERSION]: { type: 'string', value: SDK_VERSION },
+        [SENTRY_ENVIRONMENT]: { type: 'string', value: 'production' },
+        [SENTRY_IS_LOCALHOST]: { type: 'boolean', value: true },
+      });
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/list');
+  await runner.completed();
+});
+
+it("emits the KV spans of each request under that request's own segment span", async ({ signal }) => {
+  const segmentTraceIds: string[] = [];
+  const runner = createRunner(__dirname)
+    .unordered()
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+
+      expect(segmentSpan?.attributes[URL_PATH]).toEqual({ type: 'string', value: '/kv/get' });
+      expect(spans.filter(span => !span.is_segment)).toEqual([
+        expect.objectContaining({
+          name: CACHE_PUT,
+          trace_id: segmentSpan?.trace_id,
+          parent_span_id: segmentSpan?.span_id,
+        }),
+        expect.objectContaining({
+          name: CACHE_GET,
+          trace_id: segmentSpan?.trace_id,
+          parent_span_id: segmentSpan?.span_id,
+        }),
+      ]);
+      segmentTraceIds.push(segmentSpan!.trace_id);
+    })
+    .expect(envelope => {
+      const spans = getSpansFromEnvelope(envelope);
+      const segmentSpan = spans.find(span => span.is_segment);
+
+      expect(segmentSpan?.attributes[URL_PATH]).toEqual({ type: 'string', value: '/kv/put' });
+      expect(spans.filter(span => !span.is_segment)).toEqual([
+        expect.objectContaining({
+          name: CACHE_PUT,
+          trace_id: segmentSpan?.trace_id,
+          parent_span_id: segmentSpan?.span_id,
+        }),
+      ]);
+      segmentTraceIds.push(segmentSpan!.trace_id);
+    })
+    .start(signal);
+
+  await runner.makeRequest('get', '/kv/get');
+  await runner.makeRequest('get', '/kv/put');
+  await runner.completed();
+
+  expect(segmentTraceIds).toHaveLength(2);
+  expect(segmentTraceIds[0]).not.toBe(segmentTraceIds[1]);
+});
@@ -0,0 +1,7 @@
+import { cloudflare } from '@cloudflare/vite-plugin';
+import { sentryCloudflareVitePlugin } from '@sentry/cloudflare/vite';
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  plugins: [cloudflare(), sentryCloudflareVitePlugin()],
+});
@@ -0,0 +1,13 @@
+{
+  "$schema": "../../node_modules/wrangler/config-schema.json",
+  "name": "cloudflare-kv",
+  "main": "index.ts",
+  "compatibility_date": "2025-06-17",
+  "compatibility_flags": ["nodejs_compat"],
+  "kv_namespaces": [
+    {
+      "binding": "MY_KV",
+      "id": "00000000000000000000000000000000",
+    },
+  ],
+}