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fix: Recognize 301/401/403 as reachable in embedding health check
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Remote APIs like Cloudflare Workers AI return 401 on /health and
301 on HEAD requests. These indicate the server IS reachable,
not down. Previously only 404/405 were treated as reachable,
causing all KB indexing to fail with 'Embedding server not available'.
This commit is contained in:
Rodrigo Rodriguez (Pragmatismo) 2026-04-22 16:40:53 +00:00
parent a923ab2db1
commit 248165c3cb
1 changed files with 25 additions and 19 deletions
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44
botserver/src/core/kb/embedding_generator.rs
View file

@ -311,12 +311,12 @@ impl KbEmbeddingGenerator {
Duration::from_secs(self.config.connect_timeout_seconds),
self.client.get(&health_url).send()
).await {
Ok(Ok(response)) => {
let status = response.status();
if status.is_success() {
info!("Embedding server health check passed ({})", self.config.embedding_url);
set_embedding_server_ready(true);
true
Ok(Ok(response)) => {
let status = response.status();
if status.is_success() {
info!("Embedding server health check passed ({})", self.config.embedding_url);
set_embedding_server_ready(true);
true
} else if status.as_u16() == 404 || status.as_u16() == 405 {
// Server is reachable but has no /health endpoint (remote API, llama.cpp /embedding-only)
// Try a HEAD request to the base URL to confirm it's up
@ -327,25 +327,31 @@ impl KbEmbeddingGenerator {
).await {
Ok(Ok(_)) => {
info!("Embedding server reachable at {}, marking as ready", base_url);
set_embedding_server_ready(true);
true
}
set_embedding_server_ready(true);
true
}
Ok(Err(e)) => {
warn!("Embedding server unreachable at {}: {}", base_url, e);
set_embedding_server_ready(false);
false
}
set_embedding_server_ready(false);
false
}
Err(_) => {
warn!("Embedding server probe timed out for {}", base_url);
set_embedding_server_ready(false);
false
}
set_embedding_server_ready(false);
false
}
} else {
warn!("Embedding server health check returned status {}", status);
set_embedding_server_ready(false);
false
}
} else if status.is_redirection() || status.as_u16() == 401 || status.as_u16() == 403 {
// Redirect (301/302) or auth-required (401/403) means the server IS reachable
// This is typical for remote APIs like Cloudflare Workers AI
info!("Embedding server reachable at {} (status {} indicates external API), marking as ready", base_url, status);
set_embedding_server_ready(true);
true
} else {
warn!("Embedding server health check returned status {}", status);
set_embedding_server_ready(false);
false
}
}
Ok(Err(e)) => {
// Connection failed entirely — server not running or network issue