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errors.rs
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errors.rs
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// Copyright 2018 TiKV Project Authors. Licensed under Apache-2.0.
use std::{
error::Error as StdError, io::Error as IoError, num::ParseIntError, path::PathBuf, result,
};
use encryption::Error as EncryptionError;
use error_code::{self, ErrorCode, ErrorCodeExt};
use futures::channel::oneshot::Canceled;
use grpcio::Error as GrpcError;
use kvproto::{import_sstpb, kvrpcpb::ApiVersion};
use tikv_util::codec::Error as CodecError;
use uuid::Error as UuidError;
use crate::{metrics::*, sst_writer::SstWriterType};
pub fn error_inc(type_: &str, err: &Error) {
let label = match err {
Error::Io(..) => "io",
Error::Grpc(..) => "grpc",
Error::Uuid(..) => "uuid",
Error::RocksDB(..) => "rocksdb",
Error::EngineTraits(..) => "engine_traits",
Error::ParseIntError(..) => "parse_int",
Error::FileExists(..) => "file_exists",
Error::FileCorrupted(..) => "file_corrupt",
Error::InvalidSstPath(..) => "invalid_sst",
Error::Engine(..) => "engine",
Error::CannotReadExternalStorage { .. } => "read_external_storage",
Error::WrongKeyPrefix { .. } => "wrong_prefix",
Error::BadFormat(..) => "bad_format",
Error::Encryption(..) => "encryption",
Error::CodecError(..) => "codec",
_ => return,
};
IMPORTER_ERROR_VEC.with_label_values(&[type_, label]).inc();
}
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("{0}")]
Io(#[from] IoError),
#[error("{0}")]
Grpc(#[from] GrpcError),
#[error("{0}")]
Uuid(#[from] UuidError),
#[error("{0}")]
Future(#[from] Canceled),
// FIXME: Remove concrete 'rocks' type
#[error("RocksDB {0}")]
RocksDB(String),
#[error("Engine {0:?}")]
EngineTraits(#[from] engine_traits::Error),
#[error("{0}")]
ParseIntError(#[from] ParseIntError),
#[error("File {0:?} exists, cannot {1}")]
FileExists(PathBuf, &'static str),
#[error("File {0:?} corrupted: {1}")]
FileCorrupted(PathBuf, String),
#[error("Invalid SST path {0:?}")]
InvalidSstPath(PathBuf),
#[error("invalid chunk")]
InvalidChunk,
#[error("{0}")]
Engine(Box<dyn StdError + Send + Sync + 'static>),
#[error("Cannot read {url}/{name} into {}: {err}", local_path.display())]
CannotReadExternalStorage {
url: String,
name: String,
local_path: PathBuf,
#[source]
err: IoError,
},
#[error(
"{what} has wrong prefix: key {} does not start with {}",
log_wrappers::Value::key(key),
log_wrappers::Value::key(prefix)
)]
WrongKeyPrefix {
what: &'static str,
key: Vec<u8>,
prefix: Vec<u8>,
},
#[error("bad format {0}")]
BadFormat(String),
#[error("Encryption {0:?}")]
Encryption(#[from] EncryptionError),
#[error("Codec {0}")]
CodecError(#[from] CodecError),
#[error("ingest file conflict")]
FileConflict,
#[error("ttl is not enabled")]
TtlNotEnabled,
#[error("The length of ttls does not equal to the length of pairs")]
TtlLenNotEqualsToPairs,
#[error("Importing a SST file with imcompatible api version")]
IncompatibleApiVersion,
#[error("Key mode mismatched with the request mode, writer: {:?}, storage: {:?}, key: {}", .writer, .storage_api_version, .key)]
InvalidKeyMode {
writer: SstWriterType,
storage_api_version: ApiVersion,
key: String,
},
}
impl Error {
pub fn invalid_key_mode(
writer: SstWriterType,
storage_api_version: ApiVersion,
key: &[u8],
) -> Self {
Error::InvalidKeyMode {
writer,
storage_api_version,
key: log_wrappers::hex_encode_upper(key),
}
}
}
impl From<String> for Error {
fn from(msg: String) -> Self {
Self::RocksDB(msg)
}
}
pub type Result<T> = result::Result<T, Error>;
impl From<Error> for import_sstpb::Error {
fn from(e: Error) -> import_sstpb::Error {
let mut err = import_sstpb::Error::default();
err.set_message(format!("{}", e));
err
}
}
impl ErrorCodeExt for Error {
fn error_code(&self) -> ErrorCode {
match self {
Error::Io(_) => error_code::sst_importer::IO,
Error::Grpc(_) => error_code::sst_importer::GRPC,
Error::Uuid(_) => error_code::sst_importer::UUID,
Error::Future(_) => error_code::sst_importer::FUTURE,
Error::RocksDB(_) => error_code::sst_importer::ROCKSDB,
Error::EngineTraits(e) => e.error_code(),
Error::ParseIntError(_) => error_code::sst_importer::PARSE_INT_ERROR,
Error::FileExists(..) => error_code::sst_importer::FILE_EXISTS,
Error::FileCorrupted(..) => error_code::sst_importer::FILE_CORRUPTED,
Error::InvalidSstPath(_) => error_code::sst_importer::INVALID_SST_PATH,
Error::InvalidChunk => error_code::sst_importer::INVALID_CHUNK,
Error::Engine(_) => error_code::sst_importer::ENGINE,
Error::CannotReadExternalStorage { .. } => {
error_code::sst_importer::CANNOT_READ_EXTERNAL_STORAGE
}
Error::WrongKeyPrefix { .. } => error_code::sst_importer::WRONG_KEY_PREFIX,
Error::BadFormat(_) => error_code::sst_importer::BAD_FORMAT,
Error::Encryption(e) => e.error_code(),
Error::CodecError(e) => e.error_code(),
Error::FileConflict => error_code::sst_importer::FILE_CONFLICT,
Error::TtlNotEnabled => error_code::sst_importer::TTL_NOT_ENABLED,
Error::TtlLenNotEqualsToPairs => error_code::sst_importer::TTL_LEN_NOT_EQUALS_TO_PAIRS,
Error::IncompatibleApiVersion => error_code::sst_importer::INCOMPATIBLE_API_VERSION,
Error::InvalidKeyMode { .. } => error_code::sst_importer::INVALID_KEY_MODE,
}
}
}