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Implement distributed tracing across edge functions:
- Introduce span types and utilities (logger.ts enhancements)
- Replace request tracking with span-based tracing in approval and rejection flows
- Propagate and manage W3C trace context in edge tracking
- Add span visualization scaffolding (spanVisualizer.ts) and admin TraceViewer UI (TraceViewer.tsx)
- Create tracing-related type definitions and support files
- Prepare RPC call logging with span context and retries
This commit is contained in:
gpt-engineer-app[bot]
2025-11-10 14:40:44 +00:00
parent 1551a2f08d
commit 96adb2b15e
7 changed files with 848 additions and 27 deletions
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118
supabase/functions/process-selective-approval/index.ts
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@@ -2,7 +2,17 @@ import { serve } from 'https://deno.land/std@0.168.0/http/server.ts';
import { createClient } from 'https://esm.sh/@supabase/supabase-js@2.57.4';
import { corsHeaders } from './cors.ts';
import { rateLimiters, withRateLimit } from '../_shared/rateLimiter.ts';
import { edgeLogger, startRequest, endRequest, type RequestTracking } from '../_shared/logger.ts';
import {
edgeLogger,
startSpan,
endSpan,
addSpanEvent,
setSpanAttributes,
getSpanContext,
logSpan,
extractSpanContextFromHeaders,
type Span
} from '../_shared/logger.ts';
const SUPABASE_URL = Deno.env.get('SUPABASE_URL') || 'https://api.thrillwiki.com';
const SUPABASE_ANON_KEY = Deno.env.get('SUPABASE_ANON_KEY')!;
@@ -23,14 +33,29 @@ const handler = async (req: Request) => {
});
}
// Start request tracking
const tracking: RequestTracking = startRequest();
const requestId = tracking.requestId;
// Extract parent span context from headers (if present)
const parentSpanContext = extractSpanContextFromHeaders(req.headers);
// Create root span for this edge function invocation
const rootSpan = startSpan(
'process-selective-approval',
'SERVER',
parentSpanContext,
{
'http.method': 'POST',
'function.name': 'process-selective-approval',
}
);
const requestId = rootSpan.spanId;
try {
// STEP 1: Authentication
addSpanEvent(rootSpan, 'authentication_start');
const authHeader = req.headers.get('Authorization');
if (!authHeader) {
addSpanEvent(rootSpan, 'authentication_failed', { reason: 'missing_header' });
endSpan(rootSpan, 'error');
logSpan(rootSpan);
return new Response(
JSON.stringify({ error: 'Missing Authorization header' }),
{
@@ -49,11 +74,14 @@ const handler = async (req: Request) => {
const { data: { user }, error: authError } = await supabase.auth.getUser();
if (authError || !user) {
addSpanEvent(rootSpan, 'authentication_failed', { error: authError?.message });
edgeLogger.warn('Authentication failed', {
requestId,
error: authError?.message,
action: 'process_approval'
});
endSpan(rootSpan, 'error', authError || new Error('Unauthorized'));
logSpan(rootSpan);
return new Response(
JSON.stringify({ error: 'Unauthorized' }),
{
@@ -66,6 +94,8 @@ const handler = async (req: Request) => {
);
}
setSpanAttributes(rootSpan, { 'user.id': user.id });
addSpanEvent(rootSpan, 'authentication_success');
edgeLogger.info('Approval request received', {
requestId,
moderatorId: user.id,
@@ -73,10 +103,16 @@ const handler = async (req: Request) => {
});
// STEP 2: Parse request
addSpanEvent(rootSpan, 'validation_start');
const body: ApprovalRequest = await req.json();
const { submissionId, itemIds, idempotencyKey } = body;
if (!submissionId || !itemIds || itemIds.length === 0) {
addSpanEvent(rootSpan, 'validation_failed', {
hasSubmissionId: !!submissionId,
hasItemIds: !!itemIds,
itemCount: itemIds?.length || 0,
});
edgeLogger.warn('Invalid request payload', {
requestId,
hasSubmissionId: !!submissionId,
@@ -84,6 +120,8 @@ const handler = async (req: Request) => {
itemCount: itemIds?.length || 0,
action: 'process_approval'
});
endSpan(rootSpan, 'error');
logSpan(rootSpan);
return new Response(
JSON.stringify({ error: 'Missing required fields: submissionId, itemIds' }),
{
@@ -96,6 +134,12 @@ const handler = async (req: Request) => {
);
}
setSpanAttributes(rootSpan, {
'submission.id': submissionId,
'submission.item_count': itemIds.length,
'idempotency.key': idempotencyKey,
});
addSpanEvent(rootSpan, 'validation_complete');
edgeLogger.info('Request validated', {
requestId,
submissionId,
@@ -104,6 +148,7 @@ const handler = async (req: Request) => {
});
// STEP 3: Idempotency check
addSpanEvent(rootSpan, 'idempotency_check_start');
const { data: existingKey } = await supabase
.from('submission_idempotency_keys')
.select('*')
@@ -111,12 +156,16 @@ const handler = async (req: Request) => {
.single();
if (existingKey?.status === 'completed') {
addSpanEvent(rootSpan, 'idempotency_cache_hit');
setSpanAttributes(rootSpan, { 'cache.hit': true });
edgeLogger.info('Idempotency cache hit', {
requestId,
idempotencyKey,
cached: true,
action: 'process_approval'
});
endSpan(rootSpan, 'ok');
logSpan(rootSpan);
return new Response(
JSON.stringify(existingKey.result_data),
{
@@ -138,12 +187,15 @@ const handler = async (req: Request) => {
.single();
if (submissionError || !submission) {
addSpanEvent(rootSpan, 'submission_fetch_failed', { error: submissionError?.message });
edgeLogger.error('Submission not found', {
requestId,
submissionId,
error: submissionError?.message,
action: 'process_approval'
});
endSpan(rootSpan, 'error', submissionError || new Error('Submission not found'));
logSpan(rootSpan);
return new Response(
JSON.stringify({ error: 'Submission not found' }),
{
@@ -207,6 +259,20 @@ const handler = async (req: Request) => {
});
}
// Create child span for RPC transaction
const rpcSpan = startSpan(
'process_approval_transaction',
'DATABASE',
getSpanContext(rootSpan),
{
'db.operation': 'rpc',
'db.function': 'process_approval_transaction',
'submission.id': submissionId,
'submission.item_count': itemIds.length,
}
);
addSpanEvent(rpcSpan, 'rpc_call_start');
edgeLogger.info('Calling approval transaction RPC', {
requestId,
submissionId,
@@ -230,7 +296,9 @@ const handler = async (req: Request) => {
p_item_ids: itemIds,
p_moderator_id: user.id,
p_submitter_id: submission.user_id,
p_request_id: requestId
p_request_id: requestId,
p_trace_id: rootSpan.traceId,
p_parent_span_id: rpcSpan.spanId
}
);
@@ -239,6 +307,10 @@ const handler = async (req: Request) => {
if (!rpcError) {
// Success!
addSpanEvent(rpcSpan, 'rpc_call_success', {
'result.status': data?.status,
'items.processed': itemIds.length,
});
break;
}
@@ -246,6 +318,7 @@ const handler = async (req: Request) => {
if (rpcError.code === '40P01' || rpcError.code === '40001') {
retryCount++;
if (retryCount > MAX_DEADLOCK_RETRIES) {
addSpanEvent(rpcSpan, 'max_retries_exceeded', { attempt: retryCount });
edgeLogger.error('Max deadlock retries exceeded', {
requestId,
submissionId,
@@ -256,6 +329,7 @@ const handler = async (req: Request) => {
}
const backoffMs = 100 * Math.pow(2, retryCount);
addSpanEvent(rpcSpan, 'deadlock_retry', { attempt: retryCount, backoffMs });
edgeLogger.warn('Deadlock detected, retrying', {
requestId,
attempt: retryCount,
@@ -268,15 +342,21 @@ const handler = async (req: Request) => {
}
// Non-retryable error, break immediately
addSpanEvent(rpcSpan, 'rpc_call_failed', {
error: rpcError.message,
errorCode: rpcError.code
});
break;
}
if (rpcError) {
// Transaction failed - EVERYTHING rolled back automatically by PostgreSQL
const duration = endRequest(tracking);
endSpan(rpcSpan, 'error', rpcError);
logSpan(rpcSpan);
edgeLogger.error('Transaction failed', {
requestId,
duration,
duration: rpcSpan.duration,
submissionId,
error: rpcError.message,
errorCode: rpcError.code,
@@ -305,6 +385,9 @@ const handler = async (req: Request) => {
// Non-blocking - continue with error response even if idempotency update fails
}
endSpan(rootSpan, 'error', rpcError);
logSpan(rootSpan);
return new Response(
JSON.stringify({
error: 'Approval transaction failed',
@@ -322,10 +405,18 @@ const handler = async (req: Request) => {
);
}
const duration = endRequest(tracking);
// RPC succeeded
endSpan(rpcSpan, 'ok');
logSpan(rpcSpan);
setSpanAttributes(rootSpan, {
'result.status': result?.status,
'result.final_status': result?.status,
'retries': retryCount,
});
edgeLogger.info('Transaction completed successfully', {
requestId,
duration,
duration: rpcSpan.duration,
submissionId,
itemCount: itemIds.length,
retries: retryCount,
@@ -354,6 +445,9 @@ const handler = async (req: Request) => {
// Non-blocking - transaction succeeded, so continue with success response
}
endSpan(rootSpan, 'ok');
logSpan(rootSpan);
return new Response(
JSON.stringify(result),
{
@@ -367,10 +461,12 @@ const handler = async (req: Request) => {
);
} catch (error) {
const duration = endRequest(tracking);
endSpan(rootSpan, 'error', error instanceof Error ? error : new Error(String(error)));
logSpan(rootSpan);
edgeLogger.error('Unexpected error', {
requestId,
duration,
duration: rootSpan.duration,
error: error instanceof Error ? error.message : String(error),
stack: error instanceof Error ? error.stack : undefined,
action: 'process_approval'