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- Remove condition check from deploy step to allow testing on feature branch - This will enable testing the deployment workflow on feature branches Signed-off-by: Ionut Iorgu <git@h-all.co>
- Fix worker event handler registration - Resolve duplicate declarations in worker code - Fix lint errors in worker.test.js - Add proper ES module exports - Configure wrangler.toml for ESM and service-worker target Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
…tion Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
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WalkthroughThe deployment workflow was updated to remove globally scoped secrets and instead define new environment variables ( Changes
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.github/workflows/deploy.yml(1 hunks)wrangler.toml.template(1 hunks)
🔇 Additional comments (1)
wrangler.toml.template (1)
27-29: Review observability logs table placement
The[observability.logs]block is currently defined at the top level. If you intend to enable logs only in production, consider moving it under the production environment ([env.production.observability.logs]) or verify via Wrangler’s documentation that root‐level placement is supported.
wrangler.toml.template
Outdated
| binding = "RATE_LIMIT_KV" | ||
| id = "${RATE_LIMIT_KV_ID}" | ||
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||
| API_PROBE_TOKEN = "${API_PROBE_TOKEN}" |
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Ensure placeholder substitution for API_PROBE_TOKEN
The new API_PROBE_TOKEN = "${API_PROBE_TOKEN}" entry won’t be replaced during templating because the deploy workflow’s sed commands don’t handle this variable. You’ll end up with an unresolved placeholder in the generated wrangler.toml.
🤖 Prompt for AI Agents
In wrangler.toml.template at line 25, the placeholder ${API_PROBE_TOKEN} is
added but the deploy workflow's sed commands do not substitute this variable,
leaving it unresolved in the final wrangler.toml. Update the deploy workflow's
sed or templating script to include a replacement rule for API_PROBE_TOKEN so
that the placeholder is correctly replaced with the actual token value during
deployment.
- Add measure-jitter.js script with emoji and color output - Update wrangler.toml.template with API_PROBE_TOKEN - Improve script output formatting and readability Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
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Actionable comments posted: 1
🧹 Nitpick comments (2)
scripts/measure-jitter.js (2)
1-21: LGTM! Clean setup and configuration.The imports, color utilities, and configuration are well-structured. The hardcoded endpoint and parameters work fine for this specific tool.
Consider making the configuration values configurable via command-line arguments or environment variables for broader usability:
+const ENDPOINT = process.env.PING_ENDPOINT || 'https://cb.apigw.io/ping'; +const REQUESTS = parseInt(process.env.REQUESTS) || 20; +const INTERVAL = parseInt(process.env.INTERVAL) || 200; -const ENDPOINT = 'https://cb.apigw.io/ping'; -const REQUESTS = 20; // Number of requests to make -const INTERVAL = 200; // ms between requests
28-32: Consider simplifying readline usage.The readline interface is created but minimally used - progress updates are handled via direct
stdoutmanipulation rather than the readline interface.If you're not using readline features, you could simplify by removing it:
-// Create readline interface for progress updates -const rl = createInterface({ - input: stdin, - output: stdout -});And remove the corresponding cleanup in the main function:
- // Close readline - rl.close();
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- wrangler.toml.template
🧰 Additional context used
🪛 GitHub Check: Deploy
scripts/measure-jitter.js
[failure] 25-25:
'completed' is assigned a value but never used
🪛 ESLint
scripts/measure-jitter.js
[error] 25-25: 'completed' is assigned a value but never used.
(no-unused-vars)
🪛 GitHub Actions: Deploy to Cloudflare Workers
scripts/measure-jitter.js
[error] 25-25: ESLint: 'completed' is assigned a value but never used. (no-unused-vars)
🔇 Additional comments (6)
scripts/measure-jitter.js (6)
34-71: LGTM! Robust request implementation.The function correctly implements high-resolution timing and handles both successful responses and errors gracefully. The dual timing approach (request latency via
hrtimeand TCP RTT from API response) provides comprehensive network metrics.
73-95: LGTM! Mathematically sound statistics calculation.The jitter calculation using TCP RTT standard deviation is appropriate, and the function correctly handles the edge case of no successful requests.
97-131: LGTM! Excellent user-friendly output formatting.The colorized output with clear verdicts and helpful interpretation guidance provides an excellent user experience. The jitter thresholds are reasonable for categorizing connection quality.
133-154: LGTM! Clean orchestration and progress handling.The async/await flow is clean and the progress indication provides good user feedback. The output cleanup before showing results ensures a professional presentation.
156-161: LGTM! Graceful interruption handling.The SIGINT handler appropriately shows partial results when the test is interrupted, providing value even when not completing the full test suite.
163-164: LGTM! Clean script execution.The main execution with error handling is appropriate for the script's purpose.
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
* fix env vars * Use envsubst for wrangler.toml * fix: load vars from wrangler env
Signed-off-by: Ionut Iorgu <git@h-all.co>
… logic Signed-off-by: Ionut Iorgu <git@h-all.co>
… limit call Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
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src/index.js(10 hunks)
🔇 Additional comments (4)
src/index.js (4)
42-48: LGTM: Binary data handling is well implemented.The binary data detection logic correctly identifies ArrayBuffer and TypedArray objects and sets appropriate content-type headers.
175-177: LGTM: Environment variable usage with proper fallbacks.The implementation correctly reads version metadata from environment variables with appropriate fallback to default constants.
Also applies to: 208-210
234-264: LGTM: Well-implemented /speed endpoint with robust validation.The expanded
/speedendpoint includes:
- Proper parameter validation with size limits
- Multiple pattern options (asterisk, zero, rand)
- Appropriate error responses for invalid inputs
- Correct binary buffer generation and response handling
The implementation is secure and follows best practices.
99-99: Verify rate limit threshold logic.Ensure the condition
next > RATE_LIMITaligns with your intended rate limiting behavior. Currently, this allows exactlyRATE_LIMITrequests before blocking.#!/bin/bash # Verify rate limiting configuration and usage patterns rg -A 5 -B 5 "RATE_LIMIT.*=" src/
| // Fetch current count (stored as string). Default to 0 if not set. | ||
| const current = parseInt(await env.RATE_LIMIT_KV.get(key) || '0', 10); | ||
| const next = current + 1; |
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Critical: Rate limiting has a race condition.
The change from atomic increment to fetch-parse-increment introduces a race condition where concurrent requests can bypass the rate limit by reading the same count value simultaneously.
Apply this diff to restore atomic behavior:
- // Fetch current count (stored as string). Default to 0 if not set.
- const current = parseInt(await env.RATE_LIMIT_KV.get(key) || '0', 10);
- const next = current + 1;
-
- if (next > RATE_LIMIT) {
+ // Use atomic increment to avoid race conditions
+ const count = await env.RATE_LIMIT_KV.get(key, { type: 'json' }) || 0;
+
+ if (count >= RATE_LIMIT) {
return {
error: true,
response: createSecureResponse(
@@ -108,8 +105,8 @@
};
}
- // Store the updated count with a TTL so it resets automatically.
- await env.RATE_LIMIT_KV.put(key, next.toString(), { expirationTtl: RATE_LIMIT_WINDOW });
+ // Atomic increment with TTL
+ await env.RATE_LIMIT_KV.put(key, count + 1, { expirationTtl: RATE_LIMIT_WINDOW });Or use a more robust atomic approach if KV supports it.
Also applies to: 109-110
🤖 Prompt for AI Agents
In src/index.js around lines 95-97 and 109-110, the current rate limiting logic
fetches the count, parses it, and increments it separately, causing a race
condition with concurrent requests. To fix this, replace the
fetch-parse-increment sequence with an atomic increment operation provided by
the KV store, or implement a transaction or locking mechanism if supported,
ensuring that increments happen atomically to prevent race conditions.
| * Main worker fetch handler | ||
| */ | ||
| const workerFetch = async (request, env, ctx) => { | ||
| const workerFetch = async (request, env) => { |
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Critical: Function signature mismatch with event listener.
The workerFetch function signature was changed to remove the ctx parameter, but the event listener on line 303 still passes three arguments including event.ctx.
Apply this diff to fix the event listener:
if (typeof addEventListener !== 'undefined') {
addEventListener('fetch', event => {
- event.respondWith(workerFetch(event.request, event.env, event.ctx))
+ event.respondWith(workerFetch(event.request, event.env))
});
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const workerFetch = async (request, env) => { | |
| if (typeof addEventListener !== 'undefined') { | |
| addEventListener('fetch', event => { | |
| event.respondWith(workerFetch(event.request, event.env)) | |
| }); | |
| } |
🤖 Prompt for AI Agents
In src/index.js at line 138, the workerFetch function signature was changed to
accept only two parameters (request, env), but the event listener at line 303
still calls it with three arguments including event.ctx. To fix this, update the
event listener to call workerFetch with only the request and env arguments,
removing the third ctx argument to match the function signature.
| // Default values used when environment variables are not provided | ||
| const DEFAULT_VERSION = 'v1.0.0'; | ||
| const DEFAULT_GIT_COMMIT = 'abcdef0'; | ||
| // YYYY-MM-DD format | ||
| const DEFAULT_BUILD_TIME = new Date().toISOString().split('T')[0]; |
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Fix build time constant to use actual build time.
The DEFAULT_BUILD_TIME constant is evaluated at module load time rather than actual build time, which defeats its purpose as a build-time constant.
Apply this diff to use a static build time:
-// YYYY-MM-DD format
-const DEFAULT_BUILD_TIME = new Date().toISOString().split('T')[0];
+// YYYY-MM-DD format - this should be replaced during build
+const DEFAULT_BUILD_TIME = 'unknown';Alternatively, if you want a more meaningful default, use a fixed date:
-const DEFAULT_BUILD_TIME = new Date().toISOString().split('T')[0];
+const DEFAULT_BUILD_TIME = '1970-01-01';📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Default values used when environment variables are not provided | |
| const DEFAULT_VERSION = 'v1.0.0'; | |
| const DEFAULT_GIT_COMMIT = 'abcdef0'; | |
| // YYYY-MM-DD format | |
| const DEFAULT_BUILD_TIME = new Date().toISOString().split('T')[0]; | |
| // Default values used when environment variables are not provided | |
| const DEFAULT_VERSION = 'v1.0.0'; | |
| const DEFAULT_GIT_COMMIT = 'abcdef0'; | |
| // YYYY-MM-DD format - this should be replaced during build | |
| const DEFAULT_BUILD_TIME = 'unknown'; |
🤖 Prompt for AI Agents
In src/index.js lines 1 to 5, the DEFAULT_BUILD_TIME is set using new Date() at
module load time, which does not reflect the actual build time. To fix this,
replace the dynamic date assignment with a static string representing the build
date, either by hardcoding a fixed date or by injecting the build time during
the build process so that DEFAULT_BUILD_TIME holds a constant value reflecting
the actual build time.
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
…declarations Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
Signed-off-by: Ionut Iorgu <git@h-all.co>
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Summary by CodeRabbit
New Features
/speedendpoint to support customizable response sizes and data patterns with validation.Chores