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nix: attempt to fix VM tests; general cleanup

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Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I65f6909ef02ab4599f5b0bbc0930367e6a6a6964
This commit is contained in:
raf 2026-02-14 13:55:07 +03:00
commit a2b638d4db
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
26 changed files with 2320 additions and 2939 deletions
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15
crates/server/src/routes/metrics.rs
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@ -54,6 +54,15 @@ struct SystemDistributionResponse {
counts: Vec<i64>,
}
/// Escape a string for use as a Prometheus label value.
/// Per the exposition format, backslash, double-quote, and newline must be
/// escaped.
fn escape_prometheus_label(s: &str) -> String {
s.replace('\\', "\\\\")
.replace('"', "\\\"")
.replace('\n', "\\n")
}
async fn prometheus_metrics(State(state): State<AppState>) -> Response {
let stats = match fc_common::repo::builds::get_stats(&state.pool).await {
Ok(s) => s,
@ -216,8 +225,9 @@ async fn prometheus_metrics(State(state): State<AppState>) -> Response {
);
output.push_str("# TYPE fc_project_builds_completed gauge\n");
for (name, completed, _) in &per_project {
let escaped = escape_prometheus_label(name);
output.push_str(&format!(
"fc_project_builds_completed{{project=\"{name}\"}} {completed}\n"
"fc_project_builds_completed{{project=\"{escaped}\"}} {completed}\n"
));
}
output.push_str(
@ -225,8 +235,9 @@ async fn prometheus_metrics(State(state): State<AppState>) -> Response {
);
output.push_str("# TYPE fc_project_builds_failed gauge\n");
for (name, _, failed) in &per_project {
let escaped = escape_prometheus_label(name);
output.push_str(&format!(
"fc_project_builds_failed{{project=\"{name}\"}} {failed}\n"
"fc_project_builds_failed{{project=\"{escaped}\"}} {failed}\n"
));
}
}