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feat(config): add expose_degradation_warnings; auto-enable with PROXY_CONFIG

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Adds `expose_degradation_warnings: bool` to `Config`. Defaults to false
(simple mode). Set ANYLLM_DEGRADATION_WARNINGS=true/1 to opt in, or it
enables automatically when PROXY_CONFIG is set (advanced/config-file mode).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
whit3rabbit
2026-03-30 17:00:00 -05:00
co-authored by Claude Sonnet 4.6
parent aeed1a6a86
commit 6d3285dc87
2 changed files with 17 additions and 0 deletions
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crates/proxy/src/backend/mod.rs
+1
View File
@@ -293,6 +293,7 @@ impl BackendClient {
tls: bc.tls.clone(),
backend_auth: bc.backend_auth.clone(),
log_bodies: bc.log_bodies,
expose_degradation_warnings: false, // not used by BackendClient constructors
openai_api_format: bc.api_format.clone(),
};
crates/proxy/src/config/mod.rs
+16
View File
@@ -68,6 +68,10 @@ pub struct Config {
pub backend_auth: BackendAuth,
/// Enable request/response body logging at debug level.
pub log_bodies: bool,
/// Expose `x-anyllm-degradation` response header when features are silently dropped.
/// Defaults to false (simple mode). Enable with ANYLLM_DEGRADATION_WARNINGS=true
/// or automatically when PROXY_CONFIG is set.
pub expose_degradation_warnings: bool,
/// Which OpenAI API format to use (only relevant when BACKEND=openai).
pub openai_api_format: OpenAIApiFormat,
}
@@ -111,6 +115,12 @@ impl Config {
let log_bodies = std::env::var("LOG_BODIES")
.map(|v| v == "true" || v == "1")
.unwrap_or(false);
let expose_degradation_warnings = std::env::var("ANYLLM_DEGRADATION_WARNINGS")
.map(|v| v == "true" || v == "1")
.unwrap_or(false);
// Config file presence implies advanced mode — enable degradation warnings.
let expose_degradation_warnings =
expose_degradation_warnings || std::env::var("PROXY_CONFIG").is_ok();
match backend {
BackendKind::OpenAI => {
@@ -141,6 +151,7 @@ impl Config {
tls,
backend_auth,
log_bodies,
expose_degradation_warnings,
openai_api_format,
}
}
@@ -178,6 +189,7 @@ impl Config {
tls,
backend_auth: BackendAuth::AzureApiKey(api_key),
log_bodies,
expose_degradation_warnings,
openai_api_format: OpenAIApiFormat::Chat,
}
}
@@ -216,6 +228,7 @@ impl Config {
tls,
backend_auth,
log_bodies,
expose_degradation_warnings,
openai_api_format: OpenAIApiFormat::Chat,
}
}
@@ -244,6 +257,7 @@ impl Config {
tls,
backend_auth,
log_bodies,
expose_degradation_warnings,
openai_api_format: OpenAIApiFormat::Chat,
}
}
@@ -270,6 +284,7 @@ impl Config {
tls,
backend_auth: BackendAuth::BearerToken(api_key),
log_bodies,
expose_degradation_warnings,
openai_api_format: OpenAIApiFormat::Chat,
}
}
@@ -302,6 +317,7 @@ impl Config {
tls,
backend_auth: BackendAuth::BearerToken(String::new()),
log_bodies,
expose_degradation_warnings,
openai_api_format: OpenAIApiFormat::Chat,
}
}