v0.33.0
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Mateusz Gruszczyński committed
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@@ -1,28 +1,153 @@
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// Only configured Web Service IDs and bounded enumerated classes/reasons are labels.
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fn render_web_php(snapshot: &crate::config::Snapshot, f: &mut Families) {
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use crate::web_server::metrics::PHP_FAILURE_NAMES;
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let config = &snapshot.envelope.config;
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for service in &config.web_services {
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let Some(compiled) = snapshot.web_php_services.get(&service.id) else { continue };
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let Some(compiled) = snapshot.web_php_services.get(&service.id) else {
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continue;
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};
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let web = &compiled.web_metrics;
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let wl = labels(&[("web_service", service.id.as_str())]);
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f.add("rust_proxy_web_server_requests_total", "counter", "Web Server requests completed through response headers, including PHP requests.", &wl, web.requests.load(Ordering::Relaxed));
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f.add(
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"rust_proxy_web_server_requests_total",
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"counter",
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"Web Server responses through headers, including PHP.",
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&wl,
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web.requests.load(Ordering::Relaxed),
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);
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for (class, count) in [
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("2xx", &web.status_2xx), ("3xx", &web.status_3xx),
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("4xx", &web.status_4xx), ("5xx", &web.status_5xx),
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("2xx", &web.status_2xx),
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("3xx", &web.status_3xx),
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("4xx", &web.status_4xx),
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("5xx", &web.status_5xx),
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] {
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f.add("rust_proxy_web_server_responses_total", "counter", "Web Server responses by status class.", &format!("{wl},class=\"{class}\""), count.load(Ordering::Relaxed));
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f.add(
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"rust_proxy_web_server_responses_total",
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"counter",
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"Web Server response status classes.",
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&format!("{wl},class=\"{class}\""),
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count.load(Ordering::Relaxed),
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);
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}
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f.add(
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"rust_proxy_web_server_response_header_duration_microseconds_total",
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"counter",
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"Cumulative response-header latency, not full streamed response latency.",
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&wl,
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web.response_headers_us.load(Ordering::Relaxed),
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);
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f.add("rust_proxy_web_server_response_body_bytes_total", "counter", "Web Server body frame bytes observed before downstream compression, not network traffic.", &wl, web.response_bytes.load(Ordering::Relaxed));
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f.add(
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"rust_proxy_web_server_requests_active",
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"gauge",
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"Web Server requests still waiting for response headers.",
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&wl,
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web.in_flight_headers.load(Ordering::Relaxed),
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);
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for (kind, count) in [
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("static", &web.static_requests),
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("php", &web.php_requests),
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("other", &web.other_requests),
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] {
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f.add(
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"rust_proxy_web_server_request_kind_total",
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"counter",
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"Web Server responses by resolved handler (other includes early rejects).",
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&format!("{wl},kind=\"{kind}\""),
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count.load(Ordering::Relaxed),
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);
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}
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for (method, count) in ["GET", "POST", "PUT", "DELETE", "other"]
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.iter()
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.zip(&web.methods)
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{
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f.add(
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"rust_proxy_web_server_methods_total",
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"counter",
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"Web Server requests grouped by HTTP method.",
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&format!("{wl},method=\"{method}\""),
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count.load(Ordering::Relaxed),
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);
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}
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for (status, count) in ["200", "206", "304", "403", "404", "500", "502", "503"]
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.iter()
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.zip(&web.selected_status)
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{
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f.add(
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"rust_proxy_web_server_status_code_total",
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"counter",
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"Selected exact HTTP status codes (other codes are in class totals).",
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&format!("{wl},status=\"{status}\""),
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count.load(Ordering::Relaxed),
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);
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}
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for (encoding, count) in ["gzip", "br", "zstd", "deflate"]
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.iter()
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.zip(&web.compression)
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{
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f.add("rust_proxy_web_server_compression_total", "counter", "Web Server routed responses compressed by RustProxy's downstream encoder (excludes precompressed source files).", &format!("{wl},encoding=\"{encoding}\""), count.load(Ordering::Relaxed));
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}
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f.add("rust_proxy_web_server_response_header_duration_microseconds_total", "counter", "Web Server response header latency, excluding streamed body transfer.", &wl, web.response_headers_us.load(Ordering::Relaxed));
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let Some(php) = &compiled.php else { continue };
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let l = labels(&[("web_service", service.id.as_str())]);
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let m = &php.metrics;
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f.add("rust_proxy_php_requests_total", "counter", "PHP-FPM requests completed through response headers.", &l, m.requests.load(Ordering::Relaxed));
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f.add(
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"rust_proxy_php_requests_total",
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"counter",
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"PHP requests completed through response headers.",
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&wl,
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m.requests.load(Ordering::Relaxed),
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);
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for (class, count) in [
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("2xx", &m.status_2xx), ("3xx", &m.status_3xx),
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("4xx", &m.status_4xx), ("5xx", &m.status_5xx),
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("2xx", &m.status_2xx),
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("3xx", &m.status_3xx),
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("4xx", &m.status_4xx),
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("5xx", &m.status_5xx),
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] {
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f.add("rust_proxy_php_responses_total", "counter", "PHP response headers by status class.", &format!("{l},class=\"{class}\""), count.load(Ordering::Relaxed));
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f.add(
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"rust_proxy_php_responses_total",
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"counter",
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"PHP response headers by status class.",
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&format!("{wl},class=\"{class}\""),
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count.load(Ordering::Relaxed),
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);
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}
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f.add(
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"rust_proxy_php_response_header_duration_microseconds_total",
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"counter",
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"Cumulative PHP response-header latency, excludes streamed body.",
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&wl,
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m.response_headers_us.load(Ordering::Relaxed),
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);
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f.add(
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"rust_proxy_php_response_body_bytes_total",
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"counter",
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"PHP response body bytes emitted before downstream compression, not network traffic.",
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&wl,
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m.response_bytes.load(Ordering::Relaxed),
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);
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let available = php.permits.available_permits();
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f.add(
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"rust_proxy_php_concurrency_available",
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"gauge",
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"Available PHP-FPM request permits in RustProxy for this service.",
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&wl,
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available,
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);
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f.add("rust_proxy_php_concurrency_limit", "gauge", "Configured PHP request concurrency limit within RustProxy (not PHP-FPM process capacity).", &wl, php.max_concurrent);
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f.add(
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"rust_proxy_php_concurrency_in_use",
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"gauge",
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"Permits acquired for requests to PHP-FPM (includes body streaming).",
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&wl,
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php.max_concurrent.saturating_sub(available),
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);
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for (reason, count) in PHP_FAILURE_NAMES.iter().zip(&m.failures) {
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f.add(
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"rust_proxy_php_failures_total",
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"counter",
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"PHP connection, request and response failures by fixed reason.",
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&format!("{wl},reason=\"{reason}\""),
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count.load(Ordering::Relaxed),
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);
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}
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f.add("rust_proxy_php_response_header_duration_microseconds_total", "counter", "Cumulative PHP response header latency in microseconds, excluding streamed body time.", &l, m.response_headers_us.load(Ordering::Relaxed));
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f.add("rust_proxy_php_concurrency_available", "gauge", "Available PHP-FPM request permits in this Web Service.", &l, php.permits.available_permits());
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}
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}
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