standalone/
error.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use std::any::Any;
16
17use common_error::ext::{BoxedError, ErrorExt, RetryHint};
18use common_error::status_code::StatusCode;
19use common_macro::stack_trace_debug;
20use snafu::{Location, Snafu};
21
22#[derive(Snafu)]
23#[snafu(visibility(pub))]
24#[stack_trace_debug]
25pub enum Error {
26    #[snafu(display("Failed to open metadata kvbackend"))]
27    OpenMetadataKvBackend {
28        #[snafu(implicit)]
29        location: Location,
30        source: BoxedError,
31    },
32
33    #[snafu(display("Operation to region server failed"))]
34    InvokeRegionServer {
35        #[snafu(implicit)]
36        location: Location,
37        source: servers::error::Error,
38    },
39
40    #[snafu(display("External error"))]
41    External {
42        source: BoxedError,
43        #[snafu(implicit)]
44        location: Location,
45    },
46
47    #[snafu(display("Failed to parse url: {}", url))]
48    ParseUrl {
49        url: String,
50        #[snafu(implicit)]
51        location: Location,
52        #[snafu(source)]
53        error: url::ParseError,
54    },
55
56    #[snafu(display("Invalid url scheme: {}", scheme))]
57    InvalidUrlScheme { scheme: String },
58
59    #[snafu(display("Invalid region request, reason: {}", reason))]
60    InvalidRegionRequest { reason: String },
61
62    #[snafu(display("Repartition procedure is not supported in standalone mode"))]
63    NoSupportRepartitionProcedure {
64        #[snafu(implicit)]
65        location: Location,
66    },
67}
68
69pub type Result<T> = std::result::Result<T, Error>;
70
71impl ErrorExt for Error {
72    fn status_code(&self) -> StatusCode {
73        match self {
74            Error::OpenMetadataKvBackend { source, .. } => source.status_code(),
75            Error::InvokeRegionServer { source, .. } => source.status_code(),
76            Error::External { source, .. } => source.status_code(),
77            Error::ParseUrl { .. } => StatusCode::InvalidArguments,
78            Error::InvalidUrlScheme { .. } => StatusCode::InvalidArguments,
79            Error::InvalidRegionRequest { .. } => StatusCode::IllegalState,
80            Error::NoSupportRepartitionProcedure { .. } => StatusCode::Unsupported,
81        }
82    }
83
84    fn as_any(&self) -> &dyn Any {
85        self
86    }
87
88    fn retry_hint(&self) -> RetryHint {
89        match self {
90            Error::InvokeRegionServer { source, .. } => source.retry_hint(),
91            _ => RetryHint::NonRetryable,
92        }
93    }
94}
standalone/error.rs

standalone/
error.rs
