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feat: expose opendal S3 options for anonymous access #757

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Merged
merged 2 commits into from
Dec 4, 2024
Merged

feat: expose opendal S3 options for anonymous access #757

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94f55f5
Expose opendal S3 options for anonymous access
gruuya Dec 4, 2024
2e6ec3e
Merge branch 'main' into expose-anonymous-s3
gruuya Dec 4, 2024
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18 changes: 17 additions & 1 deletion crates/iceberg/src/io/storage_s3.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,11 @@ pub const S3_ASSUME_ROLE_ARN: &str = "client.assume-role.arn";
pub const S3_ASSUME_ROLE_EXTERNAL_ID: &str = "client.assume-role.external-id";
/// Optional session name used to assume an IAM role.
pub const S3_ASSUME_ROLE_SESSION_NAME: &str = "client.assume-role.session-name";
/// Option to skip signing request (e.g. for public buckets/folders)
pub const S3_ALLOW_ANONYMOUS: &str = "s3.allow-anonymous";
/// Option to skip loading the credential from EC2 metadata (typically used in conjunction with
/// `S3_ALLOW_ANONYMOUS`)
pub const S3_DISABLE_EC2_METADATA: &str = "s3.disable-ec2-metadata";

/// Parse iceberg props to s3 config.
pub(crate) fn s3_config_parse(mut m: HashMap<String, String>) -> Result<S3Config> {
Expand All @@ -81,7 +86,7 @@ pub(crate) fn s3_config_parse(mut m: HashMap<String, String>) -> Result<S3Config
cfg.region = Some(region);
};
if let Some(path_style_access) = m.remove(S3_PATH_STYLE_ACCESS) {
if ["true", "True", "1"].contains(&path_style_access.as_str()) {
if ["true", "t", "1"].contains(&path_style_access.to_lowercase().as_str()) {
cfg.enable_virtual_host_style = true;
}
};
Expand Down Expand Up @@ -126,6 +131,17 @@ pub(crate) fn s3_config_parse(mut m: HashMap<String, String>) -> Result<S3Config
}
};

if let Some(allow_anonymous) = m.remove(S3_ALLOW_ANONYMOUS) {
if ["true", "t", "1", "on"].contains(&allow_anonymous.to_lowercase().as_str()) {
cfg.allow_anonymous = true;
}
}
if let Some(disable_ec2_metadata) = m.remove(S3_DISABLE_EC2_METADATA) {
if ["true", "t", "1", "on"].contains(&disable_ec2_metadata.to_lowercase().as_str()) {
cfg.disable_ec2_metadata = true;
}
};

Ok(cfg)
}

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