Add remove all data with graphQL

- Add deleteAll query with protocol(cf name)
- without protocol, delete all data in database

Close: #233

CHANGELOG.md

@@ -7,6 +7,11 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+### Added
+
+- Delete DB by protocol name(column family) to graphQL API
+  (without protocol will remove all data)
+
 ### Changed
 
 - Replaced `lazy_static` with the new `std::sync::OnceLock`.

src/graphql.rs

@@ -1,3 +1,4 @@
+mod delete;
 mod export;
 mod log;
 pub mod network;
@@ -52,6 +53,7 @@ pub struct Query(
     timeseries::TimeSeriesQuery,
     status::GigantoStatusQuery,
     source::SourceQuery,
+    delete::DeleteQuery,
 );
 
 #[derive(Default, MergedObject)]

src/graphql/delete.rs

@@ -0,0 +1,135 @@
+use async_graphql::{Context, Object, Result};
+
+use crate::storage::Database;
+
+#[derive(Default)]
+pub(super) struct DeleteQuery;
+
+#[Object]
+impl DeleteQuery {
+    #[allow(clippy::unused_async)]
+    async fn delete_all(&self, ctx: &Context<'_>, protocol: Option<Vec<String>>) -> Result<String> {
+        let mut cfs = String::from("Delete all data");
+        if let Some(names) = protocol.clone() {
+            cfs = format!("Delete {names:?} data");
+        }
+        let db = ctx.data::<Database>()?;
+        db.delete_all(protocol)?;
+
+        Ok(cfs)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::graphql::TestSchema;
+    use crate::storage::RawEventStore;
+    use chrono::{Duration, Utc};
+    use giganto_client::ingest::network::Conn;
+    use std::mem;
+    use std::net::IpAddr;
+
+    #[tokio::test]
+    async fn delete_conn_data() {
+        let schema = TestSchema::new();
+        let store = schema.db.conn_store().unwrap();
+
+        insert_conn_raw_event(&store, "src 1", Utc::now().timestamp_nanos());
+
+        let query = r#"
+        {
+            deleteAll(
+                protocol: ["conn"]
+            )
+        }"#;
+        let res = schema.execute(query).await;
+
+        assert_eq!(
+            res.data.to_string(),
+            "{deleteAll: \"Delete [\\\"conn\\\"] data\"}"
+        );
+
+        // check data
+        let query = r#"
+        {
+            connRawEvents(
+                filter: {
+                    source: "src 1"
+                }
+                first: 1
+            ) {
+                edges {
+                    node {
+                        origAddr,
+                        respAddr,
+                        origPort,
+                    }
+                }
+            }
+        }"#;
+        let res = schema.execute(query).await;
+        assert_eq!(res.data.to_string(), "{connRawEvents: {edges: []}}");
+    }
+
+    #[tokio::test]
+    async fn delete_all_data() {
+        let schema = TestSchema::new();
+        let store = schema.db.conn_store().unwrap();
+
+        insert_conn_raw_event(&store, "src 1", Utc::now().timestamp_nanos());
+
+        let query = r#"
+        {
+            deleteAll
+        }"#;
+        let res = schema.execute(query).await;
+
+        assert_eq!(res.data.to_string(), "{deleteAll: \"Delete all data\"}");
+
+        // check data
+        let query = r#"
+                {
+                    connRawEvents(
+                        filter: {
+                            source: "src 1"
+                        }
+                        first: 1
+                    ) {
+                        edges {
+                            node {
+                                origAddr,
+                                respAddr,
+                                origPort,
+                            }
+                        }
+                    }
+                }"#;
+        let res = schema.execute(query).await;
+        assert_eq!(res.data.to_string(), "{connRawEvents: {edges: []}}");
+    }
+
+    fn insert_conn_raw_event(store: &RawEventStore<Conn>, source: &str, timestamp: i64) {
+        let mut key = Vec::with_capacity(source.len() + 1 + mem::size_of::<i64>());
+        key.extend_from_slice(source.as_bytes());
+        key.push(0);
+        key.extend(timestamp.to_be_bytes());
+
+        let tmp_dur = Duration::nanoseconds(12345);
+        let conn_body = Conn {
+            orig_addr: "192.168.4.76".parse::<IpAddr>().unwrap(),
+            orig_port: 46378,
+            resp_addr: "192.168.4.76".parse::<IpAddr>().unwrap(),
+            resp_port: 80,
+            proto: 6,
+            duration: tmp_dur.num_nanoseconds().unwrap(),
+            service: "".to_string(),
+            orig_bytes: 77,
+            resp_bytes: 295,
+            orig_pkts: 397,
+            resp_pkts: 511,
+        };
+        let ser_conn_body = bincode::serialize(&conn_body).unwrap();
+
+        store.append(&key, &ser_conn_body).unwrap();
+    }
+}

src/storage.rs

@@ -10,7 +10,7 @@ use crate::{
     },
     ingest::implement::EventFilter,
 };
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
 use chrono::{DateTime, NaiveDateTime, Utc};
 use giganto_client::ingest::{
     log::{Log, Oplog},
@@ -29,7 +29,7 @@ use rocksdb::{ColumnFamily, ColumnFamilyDescriptor, DBIteratorWithThreadMode, Op
 use serde::de::DeserializeOwned;
 use std::{cmp, marker::PhantomData, mem, path::Path, sync::Arc, time::Duration};
 use tokio::{select, sync::Notify, time};
-use tracing::error;
+use tracing::{error, info};
 
 const RAW_DATA_COLUMN_FAMILY_NAMES: [&str; 20] = [
     "conn",
@@ -55,6 +55,8 @@ const RAW_DATA_COLUMN_FAMILY_NAMES: [&str; 20] = [
 ];
 const META_DATA_COLUMN_FAMILY_NAMES: [&str; 1] = ["sources"];
 const TIMESTAMP_SIZE: usize = 8;
+const KEY_MIN: &[u8] = &[0];
+const KEY_MAX: &[u8] = &[255];
 
 #[cfg(debug_assertions)]
 pub struct CfProperties {
@@ -355,6 +357,68 @@ impl Database {
             .context("cannot access nfs column family")?;
         Ok(RawEventStore::new(&self.db, cf))
     }
+    /// Delete all data in given column family names.
+    pub fn delete_all(&self, cfs: Option<Vec<String>>) -> Result<()> {
+        if let Some(names) = cfs {
+            for name in names.clone() {
+                let str = name.as_str();
+                if !(RAW_DATA_COLUMN_FAMILY_NAMES.contains(&str)
+                    || META_DATA_COLUMN_FAMILY_NAMES.contains(&str))
+                {
+                    bail!("invalid column family name {name}");
+                }
+            }
+
+            for store in names {
+                let cf = self
+                    .db
+                    .cf_handle(store.as_str())
+                    .context("cannot access column family {store}")?;
+
+                match self.db.delete_range_cf(cf, KEY_MIN, KEY_MAX) {
+                    Ok(_) => {
+                        info!("{store} db deleted");
+                        self.db.delete_file_in_range_cf(cf, KEY_MIN, KEY_MAX)?;
+                    }
+                    Err(e) => {
+                        error!("delete all error: {e}");
+                    }
+                }
+            }
+        } else {
+            for store in RAW_DATA_COLUMN_FAMILY_NAMES {
+                let cf = self
+                    .db
+                    .cf_handle(store)
+                    .context("cannot access column family")?;
+                match self.db.delete_range_cf(cf, KEY_MIN, KEY_MAX) {
+                    Ok(_) => {
+                        info!("{store} db deleted");
+                        self.db.delete_file_in_range_cf(cf, KEY_MIN, KEY_MAX)?;
+                    }
+                    Err(e) => {
+                        error!("delete all error: {e}");
+                    }
+                }
+            }
+            for store in META_DATA_COLUMN_FAMILY_NAMES {
+                let cf = self
+                    .db
+                    .cf_handle(store)
+                    .context("cannot access column family")?;
+                match self.db.delete_range_cf(cf, KEY_MIN, KEY_MAX) {
+                    Ok(_) => {
+                        info!("{store} db deleted");
+                        self.db.delete_file_in_range_cf(cf, KEY_MIN, KEY_MAX)?;
+                    }
+                    Err(e) => {
+                        error!("delete all error: {e}");
+                    }
+                }
+            }
+        }
+        Ok(())
+    }
 }
 
 pub struct RawEventStore<'db, T> {