dumping and restoration of db

common/proto/backup.proto

@@ -12,6 +12,8 @@ service BackupService {
   rpc ListDatabases(komp_ac.common.Empty) returns (ListDatabasesResponse);
   rpc CreateDatabase(CreateDatabaseRequest) returns (DatabaseInfo);
   rpc RunDatabaseMigrations(DatabaseRequest) returns (DatabaseInfo);
+  rpc ListDatabaseDumps(komp_ac.common.Empty) returns (ListDatabaseDumpsResponse);
+  rpc RestoreDatabase(RestoreDatabaseRequest) returns (DatabaseInfo);
 }
 
 message DatabaseRequest {
@@ -22,6 +24,21 @@ message CreateDatabaseRequest {
   string database_name = 1;
 }
 
+message RestoreDatabaseRequest {
+  string database_name = 1;
+  string dump_file_name = 2;
+}
+
+message DatabaseDumpInfo {
+  string file_name = 1;
+  int64 size_bytes = 2;
+  int64 modified_at_unix_seconds = 3;
+}
+
+message ListDatabaseDumpsResponse {
+  repeated DatabaseDumpInfo dumps = 1;
+}
+
 message DatabaseInfo {
   string database_name = 1;
   bool active = 2;
@@ -32,6 +49,7 @@ message DatabaseInfo {
   bool migration_dirty = 7;
   bool application_database = 8;
   string status = 9;
+  bool empty = 10;
 }
 
 message ListDatabasesResponse {

common/src/proto/komp_ac.backup.rs

@@ -10,6 +10,27 @@ pub struct CreateDatabaseRequest {
     pub database_name: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct RestoreDatabaseRequest {
+    #[prost(string, tag = "1")]
+    pub database_name: ::prost::alloc::string::String,
+    #[prost(string, tag = "2")]
+    pub dump_file_name: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct DatabaseDumpInfo {
+    #[prost(string, tag = "1")]
+    pub file_name: ::prost::alloc::string::String,
+    #[prost(int64, tag = "2")]
+    pub size_bytes: i64,
+    #[prost(int64, tag = "3")]
+    pub modified_at_unix_seconds: i64,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListDatabaseDumpsResponse {
+    #[prost(message, repeated, tag = "1")]
+    pub dumps: ::prost::alloc::vec::Vec<DatabaseDumpInfo>,
+}
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct DatabaseInfo {
     #[prost(string, tag = "1")]
     pub database_name: ::prost::alloc::string::String,
@@ -29,6 +50,8 @@ pub struct DatabaseInfo {
     pub application_database: bool,
     #[prost(string, tag = "9")]
     pub status: ::prost::alloc::string::String,
+    #[prost(bool, tag = "10")]
+    pub empty: bool,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListDatabasesResponse {
@@ -475,6 +498,55 @@ pub mod backup_service_client {
                 );
             self.inner.unary(req, path, codec).await
         }
+        pub async fn list_database_dumps(
+            &mut self,
+            request: impl tonic::IntoRequest<super::super::common::Empty>,
+        ) -> std::result::Result<
+            tonic::Response<super::ListDatabaseDumpsResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic_prost::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/komp_ac.backup.BackupService/ListDatabaseDumps",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("komp_ac.backup.BackupService", "ListDatabaseDumps"),
+                );
+            self.inner.unary(req, path, codec).await
+        }
+        pub async fn restore_database(
+            &mut self,
+            request: impl tonic::IntoRequest<super::RestoreDatabaseRequest>,
+        ) -> std::result::Result<tonic::Response<super::DatabaseInfo>, tonic::Status> {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic_prost::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/komp_ac.backup.BackupService/RestoreDatabase",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("komp_ac.backup.BackupService", "RestoreDatabase"),
+                );
+            self.inner.unary(req, path, codec).await
+        }
     }
 }
 /// Generated server implementations.
@@ -540,6 +612,17 @@ pub mod backup_service_server {
             &self,
             request: tonic::Request<super::DatabaseRequest>,
         ) -> std::result::Result<tonic::Response<super::DatabaseInfo>, tonic::Status>;
+        async fn list_database_dumps(
+            &self,
+            request: tonic::Request<super::super::common::Empty>,
+        ) -> std::result::Result<
+            tonic::Response<super::ListDatabaseDumpsResponse>,
+            tonic::Status,
+        >;
+        async fn restore_database(
+            &self,
+            request: tonic::Request<super::RestoreDatabaseRequest>,
+        ) -> std::result::Result<tonic::Response<super::DatabaseInfo>, tonic::Status>;
     }
     #[derive(Debug)]
     pub struct BackupServiceServer<T> {
@@ -982,6 +1065,98 @@ pub mod backup_service_server {
                     };
                     Box::pin(fut)
                 }
+                "/komp_ac.backup.BackupService/ListDatabaseDumps" => {
+                    #[allow(non_camel_case_types)]
+                    struct ListDatabaseDumpsSvc<T: BackupService>(pub Arc<T>);
+                    impl<
+                        T: BackupService,
+                    > tonic::server::UnaryService<super::super::common::Empty>
+                    for ListDatabaseDumpsSvc<T> {
+                        type Response = super::ListDatabaseDumpsResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::super::common::Empty>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as BackupService>::list_database_dumps(&inner, request)
+                                    .await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let method = ListDatabaseDumpsSvc(inner);
+                        let codec = tonic_prost::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                "/komp_ac.backup.BackupService/RestoreDatabase" => {
+                    #[allow(non_camel_case_types)]
+                    struct RestoreDatabaseSvc<T: BackupService>(pub Arc<T>);
+                    impl<
+                        T: BackupService,
+                    > tonic::server::UnaryService<super::RestoreDatabaseRequest>
+                    for RestoreDatabaseSvc<T> {
+                        type Response = super::DatabaseInfo;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::RestoreDatabaseRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as BackupService>::restore_database(&inner, request)
+                                    .await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let method = RestoreDatabaseSvc(inner);
+                        let codec = tonic_prost::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                 _ => {
                     Box::pin(async move {
                         let mut response = http::Response::new(