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feat(connector): support posix as local fs source
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54 changes: 54 additions & 0 deletions
54
src/connector/src/source/filesystem/opendal_source/posix_fs_source.rs
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// Copyright 2024 RisingWave Labs | ||
// | ||
// 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. | ||
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use std::marker::PhantomData; | ||
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use anyhow::Context; | ||
use opendal::layers::{LoggingLayer, RetryLayer}; | ||
use opendal::services::Fs; | ||
use opendal::Operator; | ||
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use super::opendal_enumerator::OpendalEnumerator; | ||
use super::{OpendalSource, PosixFsProperties}; | ||
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impl<Src: OpendalSource> OpendalEnumerator<Src> { | ||
/// create opendal posix fs source. | ||
pub fn new_posix_fs_source(posix_fs_properties: PosixFsProperties) -> anyhow::Result<Self> { | ||
// Create Fs builder. | ||
let mut builder = Fs::default(); | ||
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builder.root(&posix_fs_properties.root); | ||
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let op: Operator = Operator::new(builder)? | ||
.layer(LoggingLayer::default()) | ||
.layer(RetryLayer::default()) | ||
.finish(); | ||
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let (prefix, matcher) = if let Some(pattern) = posix_fs_properties.match_pattern.as_ref() { | ||
// TODO(Kexiang): Currently, FsListnenr in opendal does not support a prefix. (Seems a bug in opendal) | ||
// So we assign prefix to empty string. | ||
let matcher = glob::Pattern::new(pattern) | ||
.with_context(|| format!("Invalid match_pattern: {}", pattern))?; | ||
(Some(String::new()), Some(matcher)) | ||
} else { | ||
(None, None) | ||
}; | ||
Ok(Self { | ||
op, | ||
prefix, | ||
matcher, | ||
marker: PhantomData, | ||
}) | ||
} | ||
} |
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