Properly handle spans of image downloading (#1176)

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Zoe Roux 2025-11-23 19:00:54 +01:00 committed by GitHub
commit f59cb5d671
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5 changed files with 78 additions and 61 deletions

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@ -37,3 +37,4 @@ jobs:
run: bun test
env:
PGHOST: localhost
IMAGES_PATH: ./images

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@ -73,7 +73,7 @@ export const auth = new Elysia({ name: "auth" })
.macro({
permissions(perms: string[]) {
return {
beforeHandle: ({ jwt, status }) => {
beforeHandle: function permissionCheck({ jwt, status }) {
for (const perm of perms) {
if (!jwt!.permissions.includes(perm)) {
return status(403, {

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@ -1,4 +1,6 @@
import path from "node:path";
import { getCurrentSpan, record, setAttributes } from "@elysiajs/opentelemetry";
import { SpanStatusCode } from "@opentelemetry/api";
import { encode } from "blurhash";
import { and, eq, is, lt, type SQL, sql } from "drizzle-orm";
import { PgColumn, type PgTable } from "drizzle-orm/pg-core";
@ -78,7 +80,34 @@ export const enqueueOptImage = async (
};
export const processImages = async () => {
async function processOne() {
return record("download images", async () => {
let running = false;
async function processAll() {
if (running) return;
running = true;
let found = true;
while (found) {
found = await processOne();
}
running = false;
}
const client = (await db.$client.connect()) as PoolClient;
client.on("notification", (evt) => {
if (evt.channel !== "kyoo_image") return;
processAll();
});
await client.query("listen kyoo_image");
// start processing old tasks
await processAll();
return () => client.release(true);
});
};
async function processOne() {
return record("download", async () => {
return await db.transaction(async (tx) => {
const [item] = await tx
.select()
@ -91,6 +120,7 @@ export const processImages = async () => {
if (!item) return false;
const img = item.message as ImageTask;
setAttributes({ "item.url": img.url });
try {
const blurhash = await downloadImage(img.id, img.url);
const ret: Image = { id: img.id, source: img.url, blurhash };
@ -105,6 +135,11 @@ export const processImages = async () => {
await tx.delete(mqueue).where(eq(mqueue.id, item.id));
} catch (err: any) {
const span = getCurrentSpan();
if (span) {
span.recordException(err);
span.setStatus({ code: SpanStatusCode.ERROR });
}
console.error("Failed to download image", img.url, err.message);
// don't use the transaction here, it can be aborted.
await db
@ -114,31 +149,8 @@ export const processImages = async () => {
}
return true;
});
}
let running = false;
async function processAll() {
if (running) return;
running = true;
let found = true;
while (found) {
found = await processOne();
}
running = false;
}
const client = (await db.$client.connect()) as PoolClient;
client.on("notification", (evt) => {
if (evt.channel !== "kyoo_image") return;
processAll();
});
await client.query("listen kyoo_image");
// start processing old tasks
await processAll();
return () => client.release(true);
};
}
async function downloadImage(id: string, url: string): Promise<string> {
const low = await getFile(path.join(imageDir, `${id}.low.jpg`))

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@ -429,6 +429,8 @@ traefikproxy:
extraArgs:
- '--entryPoints.web.address=:80/tcp'
- '--entryPoints.websecure.address=:443/tcp'
- '--entryPoints.web.forwardedHeaders.insecure=true'
- '--entryPoints.websecure.forwardedHeaders.insecure=true'
- '--api.dashboard=true'
- '--api.insecure=true'
- '--log.level=INFO'

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@ -101,6 +101,7 @@ class RequestProcessor:
finally:
self._processing = False
@tracer.start_as_current_span("process video")
async def process_request(self):
cur = await self._database.fetchrow(
"""
@ -128,43 +129,44 @@ class RequestProcessor:
return False
request = Request.model_validate(cur)
with tracer.start_as_current_span(f"process {request.title}") as span:
logger.info(f"Starting to process {request.title}")
try:
show = await self._run_request(request)
finished = await self._database.fetchrow(
"""
delete from scanner.requests
where pk = $1
returning
videos
""",
request.pk,
span = trace.get_current_span()
span.update_name(f"process {request.title}")
logger.info(f"Starting to process {request.title}")
try:
show = await self._run_request(request)
finished = await self._database.fetchrow(
"""
delete from scanner.requests
where pk = $1
returning
videos
""",
request.pk,
)
if finished and finished["videos"] != request.videos:
videos = TypeAdapter(list[Request.Video]).validate_python(
finished["videos"]
)
if finished and finished["videos"] != request.videos:
videos = TypeAdapter(list[Request.Video]).validate_python(
finished["videos"]
)
await self._client.link_videos(
"movie" if request.kind == "movie" else "serie",
show.slug,
videos,
)
except Exception as e:
span.set_status(trace.Status(trace.StatusCode.ERROR))
span.record_exception(e)
logger.error("Couldn't process request", exc_info=e)
cur = await self._database.execute(
"""
update
scanner.requests
set
status = 'failed'
where
pk = $1
""",
request.pk,
await self._client.link_videos(
"movie" if request.kind == "movie" else "serie",
show.slug,
videos,
)
except Exception as e:
span.set_status(trace.Status(trace.StatusCode.ERROR))
span.record_exception(e)
logger.error("Couldn't process request", exc_info=e)
cur = await self._database.execute(
"""
update
scanner.requests
set
status = 'failed'
where
pk = $1
""",
request.pk,
)
return True
async def _run_request(self, request: Request) -> Resource: