servers/

error.rs

// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::any::Any;
use std::net::SocketAddr;
use std::string::FromUtf8Error;

use axum::http::StatusCode as HttpStatusCode;
use axum::response::{IntoResponse, Response};
use axum::{Json, http};
use base64::DecodeError;
use common_base::readable_size::ReadableSize;
use common_error::define_into_tonic_status;
use common_error::ext::{BoxedError, ErrorExt};
use common_error::status_code::StatusCode;
use common_macro::stack_trace_debug;
use common_telemetry::{error, warn};
use common_time::Duration;
use datafusion::error::DataFusionError;
use datatypes::prelude::ConcreteDataType;
use headers::ContentType;
use http::header::InvalidHeaderValue;
use query::parser::PromQuery;
use serde_json::json;
use snafu::{Location, Snafu};

#[derive(Snafu)]
#[snafu(visibility(pub))]
#[stack_trace_debug]
pub enum Error {
    #[snafu(display("Failed to bind address: {}", addr))]
    AddressBind {
        addr: SocketAddr,
        #[snafu(source)]
        error: std::io::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Arrow error"))]
    Arrow {
        #[snafu(source)]
        error: arrow_schema::ArrowError,
    },

    #[snafu(display("Internal error: {}", err_msg))]
    Internal { err_msg: String },

    #[snafu(display("Unsupported data type: {}, reason: {}", data_type, reason))]
    UnsupportedDataType {
        data_type: ConcreteDataType,
        reason: String,
    },

    #[snafu(display("Internal IO error"))]
    InternalIo {
        #[snafu(source)]
        error: std::io::Error,
    },

    #[snafu(display("Tokio IO error: {}", err_msg))]
    TokioIo {
        err_msg: String,
        #[snafu(source)]
        error: std::io::Error,
    },

    #[snafu(display("Failed to collect recordbatch"))]
    CollectRecordbatch {
        #[snafu(implicit)]
        location: Location,
        source: common_recordbatch::error::Error,
    },

    #[snafu(display("Failed to start HTTP server"))]
    StartHttp {
        #[snafu(source)]
        error: hyper::Error,
    },

    #[snafu(display("Failed to start gRPC server"))]
    StartGrpc {
        #[snafu(source)]
        error: tonic::transport::Error,
    },

    #[snafu(display("{} server is already started", server))]
    AlreadyStarted {
        server: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to bind address {}", addr))]
    TcpBind {
        addr: SocketAddr,
        #[snafu(source)]
        error: std::io::Error,
    },

    #[snafu(display("Failed to execute query"))]
    ExecuteQuery {
        #[snafu(implicit)]
        location: Location,
        source: BoxedError,
    },

    #[snafu(display("Failed to execute plan"))]
    ExecutePlan {
        #[snafu(implicit)]
        location: Location,
        source: BoxedError,
    },

    #[snafu(display("Execute gRPC query error"))]
    ExecuteGrpcQuery {
        #[snafu(implicit)]
        location: Location,
        source: BoxedError,
    },

    #[snafu(display("Execute gRPC request error"))]
    ExecuteGrpcRequest {
        #[snafu(implicit)]
        location: Location,
        source: BoxedError,
    },

    #[snafu(display("Failed to check database validity"))]
    CheckDatabaseValidity {
        #[snafu(implicit)]
        location: Location,
        source: BoxedError,
    },

    #[snafu(display("Failed to describe statement"))]
    DescribeStatement { source: BoxedError },

    #[snafu(display("Pipeline error"))]
    Pipeline {
        #[snafu(source)]
        source: pipeline::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Not supported: {}", feat))]
    NotSupported { feat: String },

    #[snafu(display("Invalid request parameter: {}", reason))]
    InvalidParameter {
        reason: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display(
        "Too many concurrent large requests, limit: {}, request size: {}",
        ReadableSize(*limit as u64),
        ReadableSize(*request_size as u64)
    ))]
    TooManyConcurrentRequests {
        limit: usize,
        request_size: usize,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid query: {}", reason))]
    InvalidQuery {
        reason: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to parse query"))]
    FailedToParseQuery {
        #[snafu(implicit)]
        location: Location,
        source: sql::error::Error,
    },

    #[snafu(display("Failed to parse InfluxDB line protocol"))]
    InfluxdbLineProtocol {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: influxdb_line_protocol::Error,
    },

    #[snafu(display("Failed to write row"))]
    RowWriter {
        #[snafu(implicit)]
        location: Location,
        source: common_grpc::error::Error,
    },

    #[snafu(display("Failed to convert time precision, name: {}", name))]
    TimePrecision {
        name: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid OpenTSDB Json request"))]
    InvalidOpentsdbJsonRequest {
        #[snafu(source)]
        error: serde_json::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to decode prometheus remote request"))]
    DecodePromRemoteRequest {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: prost::DecodeError,
    },

    #[snafu(display("Failed to decode OTLP request"))]
    DecodeOtlpRequest {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: prost::DecodeError,
    },

    #[snafu(display(
        "OTLP metric input have incompatible existing tables, please refer to docs for details"
    ))]
    OtlpMetricModeIncompatible {
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Common Meta error"))]
    CommonMeta {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        source: common_meta::error::Error,
    },

    #[snafu(display("Failed to decompress snappy prometheus remote request"))]
    DecompressSnappyPromRemoteRequest {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: snap::Error,
    },

    #[snafu(display("Failed to decompress zstd prometheus remote request"))]
    DecompressZstdPromRemoteRequest {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: std::io::Error,
    },

    #[snafu(display("Failed to compress prometheus remote request"))]
    CompressPromRemoteRequest {
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: snap::Error,
    },

    #[snafu(display("Invalid prometheus remote request, msg: {}", msg))]
    InvalidPromRemoteRequest {
        msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid prometheus remote read query result, msg: {}", msg))]
    InvalidPromRemoteReadQueryResult {
        msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid Flight ticket"))]
    InvalidFlightTicket {
        #[snafu(source)]
        error: api::DecodeError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Tls is required for {}, plain connection is rejected", server))]
    TlsRequired { server: String },

    #[snafu(display("Failed to get user info"))]
    Auth {
        #[snafu(implicit)]
        location: Location,
        source: auth::error::Error,
    },

    #[snafu(display("Not found http or grpc authorization header"))]
    NotFoundAuthHeader {},

    #[snafu(display("Not found influx http authorization info"))]
    NotFoundInfluxAuth {},

    #[snafu(display("Unsupported http auth scheme, name: {}", name))]
    UnsupportedAuthScheme { name: String },

    #[snafu(display("Invalid visibility ASCII chars"))]
    InvalidAuthHeaderInvisibleASCII {
        #[snafu(source)]
        error: hyper::header::ToStrError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid utf-8 value"))]
    InvalidAuthHeaderInvalidUtf8Value {
        #[snafu(source)]
        error: FromUtf8Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid http authorization header"))]
    InvalidAuthHeader {
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid base64 value"))]
    InvalidBase64Value {
        #[snafu(source)]
        error: DecodeError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid utf-8 value"))]
    InvalidUtf8Value {
        #[snafu(source)]
        error: FromUtf8Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid http header value"))]
    InvalidHeaderValue {
        #[snafu(source)]
        error: InvalidHeaderValue,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Error accessing catalog"))]
    Catalog {
        source: catalog::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Cannot find requested table: {}.{}.{}", catalog, schema, table))]
    TableNotFound {
        catalog: String,
        schema: String,
        table: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[cfg(feature = "mem-prof")]
    #[snafu(display("Failed to dump profile data"))]
    DumpProfileData {
        #[snafu(implicit)]
        location: Location,
        source: common_mem_prof::error::Error,
    },

    #[snafu(display("Invalid prepare statement: {}", err_msg))]
    InvalidPrepareStatement {
        err_msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to build HTTP response"))]
    BuildHttpResponse {
        #[snafu(source)]
        error: http::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to parse PromQL: {query:?}"))]
    ParsePromQL {
        query: Box<PromQuery>,
        #[snafu(implicit)]
        location: Location,
        source: query::error::Error,
    },

    #[snafu(display("Failed to parse timestamp: {}", timestamp))]
    ParseTimestamp {
        timestamp: String,
        #[snafu(implicit)]
        location: Location,
        #[snafu(source)]
        error: query::error::Error,
    },

    #[snafu(display("{}", reason))]
    UnexpectedResult {
        reason: String,
        #[snafu(implicit)]
        location: Location,
    },

    // this error is used for custom error mapping
    // please do not delete it
    #[snafu(display("Other error"))]
    Other {
        source: BoxedError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to join task"))]
    JoinTask {
        #[snafu(source)]
        error: tokio::task::JoinError,
        #[snafu(implicit)]
        location: Location,
    },

    #[cfg(feature = "pprof")]
    #[snafu(display("Failed to dump pprof data"))]
    DumpPprof { source: common_pprof::error::Error },

    #[cfg(not(windows))]
    #[snafu(display("Failed to update jemalloc metrics"))]
    UpdateJemallocMetrics {
        #[snafu(source)]
        error: tikv_jemalloc_ctl::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("DataFrame operation error"))]
    DataFrame {
        #[snafu(source)]
        error: datafusion::error::DataFusionError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to convert scalar value"))]
    ConvertScalarValue {
        source: datatypes::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Expected type: {:?}, actual: {:?}", expected, actual))]
    PreparedStmtTypeMismatch {
        expected: ConcreteDataType,
        actual: opensrv_mysql::ColumnType,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display(
        "Column: {}, {} incompatible, expected: {}, actual: {}",
        column_name,
        datatype,
        expected,
        actual
    ))]
    IncompatibleSchema {
        column_name: String,
        datatype: String,
        expected: i32,
        actual: i32,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to convert to json"))]
    ToJson {
        #[snafu(source)]
        error: serde_json::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to parse payload as json"))]
    ParseJson {
        #[snafu(source)]
        error: serde_json::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid Loki labels: {}", msg))]
    InvalidLokiLabels {
        msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid Loki JSON request: {}", msg))]
    InvalidLokiPayload {
        msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Unsupported content type: {:?}", content_type))]
    UnsupportedContentType {
        content_type: ContentType,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to decode url"))]
    UrlDecode {
        #[snafu(source)]
        error: FromUtf8Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to convert Mysql value, error: {}", err_msg))]
    MysqlValueConversion {
        err_msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid table name"))]
    InvalidTableName {
        #[snafu(source)]
        error: tonic::metadata::errors::ToStrError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Failed to initialize a watcher for file {}", path))]
    FileWatch {
        path: String,
        #[snafu(source)]
        error: notify::Error,
    },

    #[snafu(display("Timestamp overflow: {}", error))]
    TimestampOverflow {
        error: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Unsupported json data type for tag: {} {}", key, ty))]
    UnsupportedJsonDataTypeForTag {
        key: String,
        ty: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Convert SQL value error"))]
    ConvertSqlValue {
        source: datatypes::error::Error,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Prepare statement not found: {}", name))]
    PrepareStatementNotFound {
        name: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid elasticsearch input, reason: {}", reason))]
    InvalidElasticsearchInput {
        reason: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Invalid Jaeger query, reason: {}", reason))]
    InvalidJaegerQuery {
        reason: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("DataFusion error"))]
    DataFusion {
        #[snafu(source)]
        error: DataFusionError,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Overflow while casting `{:?}` to Interval", val))]
    DurationOverflow { val: Duration },

    #[snafu(display("Failed to handle otel-arrow request, error message: {}", err_msg))]
    HandleOtelArrowRequest {
        err_msg: String,
        #[snafu(implicit)]
        location: Location,
    },

    #[snafu(display("Unknown hint: {}", hint))]
    UnknownHint { hint: String },

    #[snafu(display("Query has been cancelled"))]
    Cancelled {
        #[snafu(implicit)]
        location: Location,
    },
}

pub type Result<T, E = Error> = std::result::Result<T, E>;

impl ErrorExt for Error {
    fn status_code(&self) -> StatusCode {
        use Error::*;
        match self {
            Internal { .. }
            | InternalIo { .. }
            | TokioIo { .. }
            | StartHttp { .. }
            | StartGrpc { .. }
            | TcpBind { .. }
            | BuildHttpResponse { .. }
            | Arrow { .. }
            | FileWatch { .. } => StatusCode::Internal,

            AddressBind { .. }
            | AlreadyStarted { .. }
            | InvalidPromRemoteReadQueryResult { .. }
            | OtlpMetricModeIncompatible { .. } => StatusCode::IllegalState,

            UnsupportedDataType { .. } => StatusCode::Unsupported,

            #[cfg(not(windows))]
            UpdateJemallocMetrics { .. } => StatusCode::Internal,

            CollectRecordbatch { .. } => StatusCode::EngineExecuteQuery,

            ExecuteQuery { source, .. }
            | ExecutePlan { source, .. }
            | ExecuteGrpcQuery { source, .. }
            | ExecuteGrpcRequest { source, .. }
            | CheckDatabaseValidity { source, .. } => source.status_code(),

            Pipeline { source, .. } => source.status_code(),
            CommonMeta { source, .. } => source.status_code(),

            NotSupported { .. }
            | InvalidParameter { .. }
            | InvalidQuery { .. }
            | InfluxdbLineProtocol { .. }
            | InvalidOpentsdbJsonRequest { .. }
            | DecodePromRemoteRequest { .. }
            | DecodeOtlpRequest { .. }
            | CompressPromRemoteRequest { .. }
            | DecompressSnappyPromRemoteRequest { .. }
            | DecompressZstdPromRemoteRequest { .. }
            | InvalidPromRemoteRequest { .. }
            | InvalidFlightTicket { .. }
            | InvalidPrepareStatement { .. }
            | DataFrame { .. }
            | PreparedStmtTypeMismatch { .. }
            | TimePrecision { .. }
            | UrlDecode { .. }
            | IncompatibleSchema { .. }
            | MysqlValueConversion { .. }
            | ParseJson { .. }
            | InvalidLokiLabels { .. }
            | InvalidLokiPayload { .. }
            | UnsupportedContentType { .. }
            | TimestampOverflow { .. }
            | UnsupportedJsonDataTypeForTag { .. }
            | InvalidTableName { .. }
            | PrepareStatementNotFound { .. }
            | FailedToParseQuery { .. }
            | InvalidElasticsearchInput { .. }
            | InvalidJaegerQuery { .. }
            | ParseTimestamp { .. }
            | UnknownHint { .. } => StatusCode::InvalidArguments,

            Catalog { source, .. } => source.status_code(),
            RowWriter { source, .. } => source.status_code(),

            TlsRequired { .. } => StatusCode::Unknown,
            Auth { source, .. } => source.status_code(),
            DescribeStatement { source } => source.status_code(),

            NotFoundAuthHeader { .. } | NotFoundInfluxAuth { .. } => StatusCode::AuthHeaderNotFound,
            InvalidAuthHeaderInvisibleASCII { .. }
            | UnsupportedAuthScheme { .. }
            | InvalidAuthHeader { .. }
            | InvalidBase64Value { .. }
            | InvalidAuthHeaderInvalidUtf8Value { .. } => StatusCode::InvalidAuthHeader,

            TableNotFound { .. } => StatusCode::TableNotFound,

            #[cfg(feature = "mem-prof")]
            DumpProfileData { source, .. } => source.status_code(),

            InvalidUtf8Value { .. } | InvalidHeaderValue { .. } => StatusCode::InvalidArguments,

            TooManyConcurrentRequests { .. } => StatusCode::RuntimeResourcesExhausted,

            ParsePromQL { source, .. } => source.status_code(),
            Other { source, .. } => source.status_code(),

            UnexpectedResult { .. } => StatusCode::Unexpected,

            JoinTask { error, .. } => {
                if error.is_cancelled() {
                    StatusCode::Cancelled
                } else if error.is_panic() {
                    StatusCode::Unexpected
                } else {
                    StatusCode::Unknown
                }
            }

            #[cfg(feature = "pprof")]
            DumpPprof { source, .. } => source.status_code(),

            ConvertScalarValue { source, .. } => source.status_code(),

            ToJson { .. } | DataFusion { .. } => StatusCode::Internal,

            ConvertSqlValue { source, .. } => source.status_code(),

            DurationOverflow { .. } => StatusCode::InvalidArguments,

            HandleOtelArrowRequest { .. } => StatusCode::Internal,

            Cancelled { .. } => StatusCode::Cancelled,
        }
    }

    fn as_any(&self) -> &dyn Any {
        self
    }
}

define_into_tonic_status!(Error);

impl From<std::io::Error> for Error {
    fn from(e: std::io::Error) -> Self {
        Error::InternalIo { error: e }
    }
}

fn log_error_if_necessary(error: &Error) {
    if error.status_code().should_log_error() {
        error!(error; "Failed to handle HTTP request ");
    } else {
        warn!(error; "Failed to handle HTTP request ");
    }
}

impl IntoResponse for Error {
    fn into_response(self) -> Response {
        let error_msg = self.output_msg();
        let status = status_code_to_http_status(&self.status_code());

        log_error_if_necessary(&self);

        let body = Json(json!({
            "error": error_msg,
        }));
        (status, body).into_response()
    }
}

/// Converts [StatusCode] to [HttpStatusCode].
pub fn status_code_to_http_status(status_code: &StatusCode) -> HttpStatusCode {
    match status_code {
        StatusCode::Success => HttpStatusCode::OK,

        // When a request is cancelled by the client (e.g., by a client side timeout),
        // we should return a gateway timeout status code to the external client.
        StatusCode::Cancelled | StatusCode::DeadlineExceeded => HttpStatusCode::GATEWAY_TIMEOUT,

        StatusCode::Unsupported
        | StatusCode::InvalidArguments
        | StatusCode::InvalidSyntax
        | StatusCode::RequestOutdated
        | StatusCode::RegionAlreadyExists
        | StatusCode::TableColumnExists
        | StatusCode::TableAlreadyExists
        | StatusCode::RegionNotFound
        | StatusCode::DatabaseNotFound
        | StatusCode::TableNotFound
        | StatusCode::TableColumnNotFound
        | StatusCode::PlanQuery
        | StatusCode::DatabaseAlreadyExists
        | StatusCode::TriggerAlreadyExists
        | StatusCode::TriggerNotFound
        | StatusCode::FlowNotFound
        | StatusCode::FlowAlreadyExists => HttpStatusCode::BAD_REQUEST,

        StatusCode::AuthHeaderNotFound
        | StatusCode::InvalidAuthHeader
        | StatusCode::UserNotFound
        | StatusCode::UnsupportedPasswordType
        | StatusCode::UserPasswordMismatch
        | StatusCode::RegionReadonly => HttpStatusCode::UNAUTHORIZED,

        StatusCode::PermissionDenied | StatusCode::AccessDenied => HttpStatusCode::FORBIDDEN,

        StatusCode::RateLimited => HttpStatusCode::TOO_MANY_REQUESTS,

        StatusCode::RegionNotReady
        | StatusCode::TableUnavailable
        | StatusCode::RegionBusy
        | StatusCode::StorageUnavailable
        | StatusCode::External => HttpStatusCode::SERVICE_UNAVAILABLE,

        StatusCode::Internal
        | StatusCode::Unexpected
        | StatusCode::IllegalState
        | StatusCode::Unknown
        | StatusCode::RuntimeResourcesExhausted
        | StatusCode::EngineExecuteQuery => HttpStatusCode::INTERNAL_SERVER_ERROR,
    }
}