add structured logging

Cargo.lock

@@ -561,6 +561,21 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d85363c37faeca707aef026efa9f3b34d077bce547e48f770770625c6013679e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61803da095bee82a81bb1a452ecc25d3b2f1416d1897eb86430c6159ef717c17"
+
 [[package]]
 name = "crossterm"
 version = "0.28.1"
@@ -598,6 +613,12 @@ dependencies = [
  "hybrid-array",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
+
 [[package]]
 name = "derive_arbitrary"
 version = "1.4.2"
@@ -867,6 +888,7 @@ dependencies = [
  "tokio-util",
  "tower-http",
  "tracing",
+ "tracing-appender",
  "tracing-subscriber",
 ]
 
@@ -1474,6 +1496,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "521739c6d2bac4aa25192232afe6841231376b2b26d4d9fae5ecf8ca5772e441"
+
 [[package]]
 name = "num-integer"
 version = "0.1.47"
@@ -1598,6 +1626,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -2088,6 +2122,12 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "symlink"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7973cce6668464ea31f176d85b13c7ab3bba2cb3b77a2ed26abd7801688010a"
+
 [[package]]
 name = "syn"
 version = "2.0.119"
@@ -2204,6 +2244,36 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.55"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb87b95ec50ddfa440816d227a17b2ccbdda963a316a727fda0fc4334f7d134"
+dependencies = [
+ "deranged",
+ "num-conv",
+ "powerfmt",
+ "serde_core",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1c906769ad99c88eaa54e728060edef082f8e358ff32030cb7c7d315e81109"
+
+[[package]]
+name = "time-macros"
+version = "0.2.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e689342a48d2ea927c87ea50cabf8594854bf940e9310208848d680d668ed85"
+dependencies = [
+ "num-conv",
+ "time-core",
+]
+
 [[package]]
 name = "tiny-keccak"
 version = "2.0.2"
@@ -2366,6 +2436,19 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-appender"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "050686193eb999b4bb3bc2acfa891a13da00f79734704c4b8b4ef1a10b368a3c"
+dependencies = [
+ "crossbeam-channel",
+ "symlink",
+ "thiserror",
+ "time",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "tracing-attributes"
 version = "0.1.31"

Cargo.toml

@@ -13,6 +13,7 @@ serde_json = "1"
 thiserror = "2"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "json"] }
+tracing-appender = "0.2"
 anyhow = "1"
 duckdb = { version = "1.10505", features = ["bundled"] }
 axum = "0.8"

src/api.rs

@@ -1,6 +1,6 @@
 use crate::db;
 use crate::types::{
-    Config, LandingDto, MonthlyAggregate, PriceTrend, SpeciesDto, SummaryDto, TopSpecies,
+    Config, LandingDto, LookupDto, MonthlyAggregate, PriceTrend, SpeciesDto, SummaryDto, TopSpecies,
 };
 use axum::{
     Json, Router,
@@ -394,11 +394,9 @@ async fn get_summary(
 async fn export_parquet(State(state): State<AppState>) -> ApiResult<Response> {
     let conn = state.conn.clone();
 
-    let (file_path, file) =
+    let file_path = tokio::task::spawn_blocking(move || -> ApiResult<String> {
-        tokio::task::spawn_blocking(move || -> ApiResult<(String, std::fs::File)> {
         let conn = conn.blocking_lock();
 
-            // Use builder to ensure consistent naming for cleanup
         let tmp = tempfile::Builder::new()
             .prefix("hagfish-")
             .suffix(".parquet")
@@ -423,12 +421,9 @@ async fn export_parquet(State(state): State<AppState>) -> ApiResult<Response> {
 
         db::export_parquet(&conn, &path_str)?;
 
-            let file = std::fs::File::open(&path_str).map_err(|e| ApiError {
+        drop(conn);
-                status: StatusCode::INTERNAL_SERVER_ERROR,
-                message: format!("Failed to open exported file: {e}"),
-            })?;
 
-            Ok((path_str, file))
+        Ok(path_str)
     })
     .await
     .map_err(|e| ApiError {
@@ -436,8 +431,14 @@ async fn export_parquet(State(state): State<AppState>) -> ApiResult<Response> {
         message: format!("Task join error: {e}"),
     })??;
 
-    let tokio_file = tokio::fs::File::from(file);
+    let file = tokio::fs::File::open(&file_path)
-    let stream = tokio_util::io::ReaderStream::new(tokio_file);
+        .await
+        .map_err(|e| ApiError {
+            status: StatusCode::INTERNAL_SERVER_ERROR,
+            message: format!("Failed to open exported file: {e}"),
+        })?;
+
+    let stream = tokio_util::io::ReaderStream::new(file);
     let body = Body::from_stream(stream);
 
     let cleanup_path = file_path.clone();
@@ -448,7 +449,7 @@ async fn export_parquet(State(state): State<AppState>) -> ApiResult<Response> {
         }
     });
 
-    Ok(Response::builder()
+    Response::builder()
         .status(StatusCode::OK)
         .header(header::CONTENT_TYPE, "application/octet-stream")
         .header(
@@ -456,7 +457,10 @@ async fn export_parquet(State(state): State<AppState>) -> ApiResult<Response> {
             "attachment; filename=\"landings.parquet\"",
         )
         .body(body)
-        .unwrap())
+        .map_err(|e| ApiError {
+            status: StatusCode::INTERNAL_SERVER_ERROR,
+            message: format!("Failed to build response: {e}"),
+        })
 }
 
 async fn static_handler(uri: axum::http::Uri) -> Response {
@@ -498,13 +502,13 @@ async fn static_handler(uri: axum::http::Uri) -> Response {
     }
 }
 
-async fn get_zones(State(state): State<AppState>) -> ApiResult<Json<Vec<SpeciesDto>>> {
+async fn get_zones(State(state): State<AppState>) -> ApiResult<Json<Vec<LookupDto>>> {
     let conn = state.conn.clone();
-    let rows = tokio::task::spawn_blocking(move || -> db::Result<Vec<SpeciesDto>> {
+    let rows = tokio::task::spawn_blocking(move || -> db::Result<Vec<LookupDto>> {
         let conn = conn.blocking_lock();
         let mut stmt = conn.prepare("SELECT code, label FROM zone ORDER BY code")?;
         let rows = stmt.query_map([], |row| {
-            Ok(SpeciesDto {
+            Ok(LookupDto {
                 code: row.get(0)?,
                 label: row.get(1)?,
             })
@@ -520,13 +524,13 @@ async fn get_zones(State(state): State<AppState>) -> ApiResult<Json<Vec<SpeciesD
     Ok(Json(rows))
 }
 
-async fn get_gear(State(state): State<AppState>) -> ApiResult<Json<Vec<SpeciesDto>>> {
+async fn get_gear(State(state): State<AppState>) -> ApiResult<Json<Vec<LookupDto>>> {
     let conn = state.conn.clone();
-    let rows = tokio::task::spawn_blocking(move || -> db::Result<Vec<SpeciesDto>> {
+    let rows = tokio::task::spawn_blocking(move || -> db::Result<Vec<LookupDto>> {
         let conn = conn.blocking_lock();
         let mut stmt = conn.prepare("SELECT code, label FROM gear ORDER BY code")?;
         let rows = stmt.query_map([], |row| {
-            Ok(SpeciesDto {
+            Ok(LookupDto {
                 code: row.get(0)?,
                 label: row.get(1)?,
             })
@@ -962,7 +966,7 @@ mod tests {
     #[tokio::test]
     async fn test_concurrent_export_requests() {
         let state = test_state();
-        let app = build_router(state.clone());
+        let app = build_router(state);
         let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
         let addr = listener.local_addr().unwrap();
 
@@ -970,12 +974,11 @@ mod tests {
             axum::serve(listener, app).await.unwrap();
         });
 
-        let resp1 = reqwest::get(format!("http://{addr}/api/export.parquet"))
+        let url = format!("http://{addr}/api/export.parquet");
-            .await
+        let (resp1, resp2) = tokio::join!(reqwest::get(&url), reqwest::get(&url));
-            .unwrap();
+
-        let resp2 = reqwest::get(format!("http://{addr}/api/export.parquet"))
+        let resp1 = resp1.unwrap();
-            .await
+        let resp2 = resp2.unwrap();
-            .unwrap();
 
         assert_eq!(resp1.status(), StatusCode::OK);
         assert_eq!(resp2.status(), StatusCode::OK);
@@ -985,8 +988,8 @@ mod tests {
 
         assert_eq!(&bytes1[..4], b"PAR1");
         assert_eq!(&bytes2[..4], b"PAR1");
-        assert_ne!(bytes1.len(), 0);
+        assert!(!bytes1.is_empty());
-        assert_ne!(bytes2.len(), 0);
+        assert!(!bytes2.is_empty());
     }
 
     #[tokio::test]

src/cli.rs

@@ -1,13 +1,11 @@
 use clap::{Parser, Subcommand};
 use std::path::PathBuf;
 
-/// Faroese fisheries data pipeline and dashboard
 #[derive(Parser)]
 #[command(name = "hagfish", version, about)]
 pub struct Cli {
-    /// Path to configuration file
+    #[arg(short, long, value_name = "FILE")]
-    #[arg(short, long, value_name = "FILE", default_value = "config.json")]
+    pub config: Option<PathBuf>,
-    pub config: PathBuf,
 
     #[command(subcommand)]
     pub command: Command,
@@ -15,17 +13,12 @@ pub struct Cli {
 
 #[derive(Subcommand)]
 pub enum Command {
-    /// Fetch data from Hagstova API and store in DuckDB
     Ingest {
-        /// Force full backfill instead of incremental
         #[arg(long)]
         full: bool,
     },
-    /// Start the HTTP server
     Serve,
-    /// Export landings data to Parquet
     Export {
-        /// Output file path
         #[arg(short, long, value_name = "FILE")]
         out: PathBuf,
     },

src/db.rs

@@ -17,7 +17,7 @@ const LOOKUP_TABLES: &[(&str, &str)] = &[
 pub enum DbError {
     #[error("DuckDB error: {0}")]
     Duckdb(#[from] duckdb::Error),
-    #[error("invalid export path: contains single quote: {0}")]
+    #[error("invalid export path: {0}")]
     InvalidPath(String),
 }
 
@@ -156,6 +156,16 @@ pub fn export_parquet(conn: &Connection, path: &str) -> Result<()> {
     if path.contains('\'') || path.contains('\0') {
         return Err(DbError::InvalidPath(path.to_string()));
     }
+
+    if !path
+        .chars()
+        .all(|c| c.is_ascii_alphanumeric() || matches!(c, '.' | '/' | '-' | '_' | ' '))
+    {
+        return Err(DbError::InvalidPath(format!(
+            "Path contains disallowed characters: {path}"
+        )));
+    }
+
     conn.execute(
         &format!(
             "COPY (SELECT * FROM landings) TO '{}' (FORMAT PARQUET)",

src/ingest.rs

@@ -12,12 +12,10 @@ const DIM_PRESERVATION: &str = "Preservation (EUMOFAPreservation)";
 const DIM_SHIPSIZE: &str = "Shipsize";
 const DIM_MEASURE: &str = "measure";
 
-const SENTINEL_VALUES: [f64; 1] = [-1.0];
+const SENTINEL_VALUE: f64 = -1.0;
 
 fn is_sentinel(v: f64) -> bool {
-    SENTINEL_VALUES
+    v.total_cmp(&SENTINEL_VALUE) == std::cmp::Ordering::Equal
-        .iter()
-        .any(|s| v.total_cmp(s) == std::cmp::Ordering::Equal)
 }
 
 pub async fn fetch_metadata(client: &Client, url: &str) -> Result<(LookupMap, MetadataResponse)> {
@@ -83,13 +81,14 @@ pub fn chunk_months(months: &[String], batch_size: usize) -> Vec<Vec<String>> {
         .collect()
 }
 
-pub fn build_query(all_months: &[String]) -> Query {
+pub fn build_query(all_months: &[String]) -> Result<Query> {
-    assert!(
+    if all_months.is_empty() {
-        !all_months.is_empty(),
+        return Err(IngestError::InvalidValueCode(
-        "build_query requires at least one month"
+            "build_query requires at least one month".to_string(),
-    );
+        ));
+    }
 
-    Query {
+    Ok(Query {
         query: vec![
             QueryItem {
                 code: DIM_MONTH.to_string(),
@@ -149,7 +148,7 @@ pub fn build_query(all_months: &[String]) -> Query {
             },
         ],
         response: QueryResponse::default(),
-    }
+    })
 }
 
 pub async fn fetch_data(client: &Client, url: &str, query: &Query) -> Result<DataResponse> {

src/main.rs

@@ -13,16 +13,45 @@ use clap::Parser;
 use tokio::net::TcpListener;
 use tracing_subscriber::EnvFilter;
 
-fn init_logging() {
+struct LoggerGuard {
+    _guard: Option<tracing_appender::non_blocking::WorkerGuard>,
+}
+
+fn init_logging(log_file_path: Option<&str>) -> LoggerGuard {
     let filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info"));
 
-    if std::env::var("HAGFISH_LOG_FORMAT").as_deref() == Ok("json") {
+    let is_json = std::env::var("HAGFISH_LOG_FORMAT").as_deref() == Ok("json");
-        tracing_subscriber::fmt()
+
-            .with_env_filter(filter)
+    match log_file_path {
-            .json()
+        Some(path) => {
-            .init();
+            let file = std::fs::File::create(path).expect("Failed to create log file");
+            let (non_blocking, guard) = tracing_appender::non_blocking(file);
+
+            let subscriber = tracing_subscriber::fmt()
+                .with_env_filter(filter.clone())
+                .with_writer(non_blocking);
+
+            if is_json {
+                subscriber.json().init();
             } else {
-        tracing_subscriber::fmt().with_env_filter(filter).init();
+                subscriber.init();
+            }
+
+            LoggerGuard {
+                _guard: Some(guard),
+            }
+        }
+        None => {
+            let subscriber = tracing_subscriber::fmt().with_env_filter(filter.clone());
+
+            if is_json {
+                subscriber.json().init();
+            } else {
+                subscriber.init();
+            }
+
+            LoggerGuard { _guard: None }
+        }
     }
 }
 
@@ -51,10 +80,23 @@ fn cleanup_stale_parquet_files() {
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    init_logging();
-
     let cli = cli::Cli::parse();
-    let config = types::Config::load(&cli.config)?;
+
+    let config = match &cli.config {
+        Some(path) => types::Config::load(path)?,
+        None => {
+            let default_path = std::path::Path::new("config.json");
+            if default_path.exists() {
+                types::Config::load(default_path)?
+            } else {
+                tracing::warn!("No config file found, using defaults");
+                types::Config::default()
+            }
+        }
+    };
+
+    // Initialize logging AFTER config is loaded so we have log_file_path
+    let _logger_guard = init_logging(config.log_file_path.as_deref());
 
     match cli.command {
         cli::Command::Serve => run_serve(&config).await,
@@ -142,7 +184,6 @@ async fn run_ingest(config: &types::Config, full: bool) -> anyhow::Result<()> {
     );
 
     let mut total_rows = 0;
-    let mut total_skipped = 0;
     let mut errors = 0;
 
     for (i, batch) in batches.iter().enumerate() {
@@ -156,7 +197,7 @@ async fn run_ingest(config: &types::Config, full: bool) -> anyhow::Result<()> {
             "fetching batch"
         );
 
-        let query = ingest::build_query(batch);
+        let query = ingest::build_query(batch)?;
 
         let data = match ingest::fetch_data(&client, &config.data_source_url, &query).await {
             Ok(d) => d,
@@ -178,11 +219,7 @@ async fn run_ingest(config: &types::Config, full: bool) -> anyhow::Result<()> {
         for j in 0..data.dataset.value.len() {
             match ingest::parse_row(j, &data.dataset, &lookup_maps) {
                 Ok(row) => {
-                    if row.value.is_some() {
                     landings.push(ingest::data_row_to_landing(&row));
-                    } else {
-                        total_skipped += 1;
-                    }
                 }
                 Err(e) => {
                     tracing::warn!(
@@ -218,11 +255,15 @@ async fn run_ingest(config: &types::Config, full: bool) -> anyhow::Result<()> {
             batch = i + 1,
             total_batches = batches.len(),
             rows_inserted = count,
-            null_rows_skipped = total_skipped,
             parse_errors = parse_errors,
             elapsed_ms = batch_elapsed.as_millis() as u64,
             "batch complete"
         );
+
+        // Backoff between batches to avoid rate limiting
+        if i < batches.len() - 1 {
+            tokio::time::sleep(std::time::Duration::from_secs(1)).await;
+        }
     }
 
     let elapsed = run_start.elapsed();
@@ -232,7 +273,6 @@ async fn run_ingest(config: &types::Config, full: bool) -> anyhow::Result<()> {
         months_requested = months_to_fetch.len(),
         batches = batches.len(),
         total_rows = total_rows,
-        null_rows_skipped = total_skipped,
         errors = errors,
         elapsed_ms = elapsed.as_millis() as u64,
         "ingestion run complete"

src/types.rs

@@ -31,15 +31,12 @@ impl Default for Config {
 
 impl Config {
     pub fn load(path: &Path) -> anyhow::Result<Self> {
-        if path.exists() {
+        let contents = std::fs::read_to_string(path)
-            let contents = std::fs::read_to_string(path)?;
+            .map_err(|e| anyhow::anyhow!("Failed to read config file {}: {e}", path.display()))?;
-            let config: Config = serde_json::from_str(&contents)?;
+        let config: Config = serde_json::from_str(&contents)
+            .map_err(|e| anyhow::anyhow!("Failed to parse config file {}: {e}", path.display()))?;
         tracing::info!("Loaded config from {}", path.display());
         Ok(config)
-        } else {
-            tracing::warn!("Config file {} not found, using defaults", path.display());
-            Ok(Self::default())
-        }
     }
 }
 
@@ -179,6 +176,12 @@ pub struct SpeciesDto {
     pub label: String,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LookupDto {
+    pub code: String,
+    pub label: String,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct LandingDto {
     pub month: String,