Sruhvx-jpg commented on code in PR #3165: URL: https://github.com/apache/iceberg-rust/pull/3165#discussion_r4045746456
########## crates/storage/object_store/src/s3.rs: ########## @@ -0,0 +1,281 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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::str::FromStr; +use std::sync::Arc; + +use iceberg::io::S3Config; +use iceberg::{Error, ErrorKind, Result}; +use object_store::ObjectStore; +use object_store::aws::{AmazonS3Builder, AmazonS3ConfigKey}; +use url::Url; + +/// Parsed components of an S3 URL. +#[derive(Debug, PartialEq, Eq)] +pub(crate) struct ParsedS3Url { + pub(crate) scheme: String, + pub(crate) bucket: String, + pub(crate) relative: String, +} + +/// Parse an absolute S3 URL into [`ParsedS3Url`]. +/// +/// Accepts `s3://`, `s3a://`, and `s3n://` schemes. +pub(crate) fn parse_s3_url(path: &str) -> Result<ParsedS3Url> { + let url = Url::parse(path).map_err(|e| { + Error::new(ErrorKind::DataInvalid, format!("Invalid URL: {path}")).with_source(e) + })?; + + let scheme = url.scheme(); + match scheme { + "s3" | "s3a" | "s3n" => {} + _ => { + return Err(Error::new( + ErrorKind::DataInvalid, + format!("Unsupported S3 scheme: {scheme} in url: {path}"), + )); + } + } + + let bucket = url.host_str().ok_or_else(|| { + Error::new( + ErrorKind::DataInvalid, + format!("Invalid s3 url: {path}, missing bucket"), + ) + })?; + + if bucket.is_empty() { + return Err(Error::new( + ErrorKind::DataInvalid, + format!("Empty s3 url: {path}, missing bucket"), + )); + } + + let relative = url.path().trim_start_matches('/'); + + Ok(ParsedS3Url { + scheme: scheme.to_string(), + bucket: bucket.to_string(), + relative: relative.to_string(), + }) +} + +/// Build an `AmazonS3` store from iceberg's `S3Config` for a given bucket. +pub(crate) fn build_s3_store(config: &S3Config, bucket: &str) -> Result<Arc<dyn ObjectStore>> { + if config.role_arn.is_some() { + return Err(Error::new( + ErrorKind::FeatureUnsupported, + "S3 assume-role (role_arn) is not supported by object_store backend", + )); + } + if config.disable_ec2_metadata { + return Err(Error::new( + ErrorKind::FeatureUnsupported, + "S3 disable_ec2_metadata is not supported by object_store backend", + )); + } + if config.disable_config_load { + return Err(Error::new( + ErrorKind::FeatureUnsupported, + "S3 disable_config_load is not supported by object_store backend", + )); + } + + let mut builder = AmazonS3Builder::new().with_bucket_name(bucket); + + if let Some(ref endpoint) = config.endpoint { + builder = builder.with_endpoint(endpoint); + if endpoint.starts_with("http://";) { + builder = builder.with_allow_http(true); + } + } + if let Some(ref access_key_id) = config.access_key_id { + builder = builder.with_access_key_id(access_key_id); + } + if let Some(ref secret_access_key) = config.secret_access_key { + builder = builder.with_secret_access_key(secret_access_key); + } + if let Some(ref session_token) = config.session_token { + builder = builder.with_token(session_token); + } + if let Some(ref region) = config.region { + builder = builder.with_region(region); + } + if config.enable_virtual_host_style { + builder = builder.with_virtual_hosted_style_request(true); + } + if config.allow_anonymous { + builder = builder.with_skip_signature(true); + } + + if let Some(ref sse) = config.server_side_encryption { + match sse.as_str() { + "aws:kms" => { + let key = config + .server_side_encryption_aws_kms_key_id + .as_deref() + .unwrap_or_default(); + builder = builder.with_sse_kms_encryption(key); Review Comment: yeah having a design consistency is much better, also if am right s3 anyways encrypts the data sicne 2023. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
